CN220865473U - A child seat that is easy to operate - Google Patents

Abstract

The utility model discloses a child seat convenient to operate, when the child seat is folded, a backrest control unlocking mechanism is operated to link a backrest control locking mechanism to release the locking state of the backrest relative to a seat part, at the moment, the backrest can rotate relative to the seat part, then the backrest control unlocking mechanism is operated to turn forward to a preset angle relative to the seat part, and then the backrest control locking mechanism is operated to continuously link the backrest control locking mechanism to release the locking of the seat armrest locking mechanism, so that the locking state of the seat part relative to a seat connecting seat and the locking state of the armrest part relative to the seat part are released, the backrest part and the armrest part can be rotated to be close to one side of the seat part until the folding work of the child seat is completed, and meanwhile, the seat part can be rotated to be close to one side of a frame body.

Description

A child seat that is easy to operate

[Technical field]

The utility model relates to the technical field of baby carriages, in particular to a child seat which is easy to operate.

【Background technique】

Children's strollers have become an indispensable product in the growth process of infants and young children. Currently, many children's strollers on the market include a foldable children's stroller frame and a foldable child seat connected to the children's stroller frame.

A disadvantage of the foldable child seats known to date is that folding is very complex. In particular, a number of manual operations are required to fold the child seat in order to transfer the child seat from the unfolded state (use state) into the folded state (non-use state), which results in the number of manual operations for folding being often difficult to remember, not intuitive to perform and mechanically complex to perform.

In addition, many child seats currently on the market include a seat assembly and an armrest assembly and a backrest assembly connected on both sides of the seat assembly. In order to facilitate storage and transportation, the armrest assembly and the backrest assembly can be rotated and folded relative to the seat assembly. Since a first locking structure is provided between the armrest assembly and the seat assembly, and a second locking structure is provided between the backrest assembly and the seat assembly, when folding, the user needs to manually unlock the first locking structure first, then rotate and fold the armrest assembly relative to the seat assembly, and then manually unlock the second locking structure and rotate and fold the backrest assembly relative to the seat assembly, thereby completing the folding of the armrest assembly and the backrest assembly. Therefore, the child seat has the problems of complex structure, difficult operation and high manufacturing cost.

For this reason, the present invention is studied and proposed in view of the above-mentioned problems.

[Utility Model Content]

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a child seat that is easy to operate. After the backrest is locked relative to the seat part by linking the backrest control unlocking mechanism with the backrest control locking mechanism, the backrest can be flipped forward to a preset angle relative to the seat part by operating the backrest control unlocking mechanism, and the backrest control locking mechanism can be further linked to the backrest control locking mechanism to release the seat armrest locking mechanism, thereby releasing the locking state of the seat part relative to the seat connecting seat and releasing the locking state of the armrest part relative to the seat part, so that the child seat as a whole can be folded and brought close to each other and can be folded and brought close to the frame body. For this reason, the utility model has the characteristics of simple structure, reasonable design, simple operation and convenient unlocking.

The utility model is realized by the following technical solutions:

A child seat that is easy to operate, comprising:

The seat portion 1 is rotatably connected to a seat connection seat 9 for connecting to the frame body;

A backrest portion 2, wherein the lower end of the backrest portion 2 is rotatably connected to the rear side of the seat portion 1, a backrest control locking mechanism 4 for locking the backrest portion 2 relative to the seat portion 1 is provided between the backrest portion 2 and the seat portion 1, and a backrest control unlocking mechanism 5 for linking the backrest control locking mechanism 4 to release the locking state of the backrest portion 2 relative to the seat portion 1 is provided on the backrest portion 2;

An armrest portion 3, the armrest portion 3 is rotatably connected to the seat portion 1 and is located in front of the backrest portion 2;

The seat armrest locking mechanism 6 is configured to lock the seat portion 1 relative to the seat connecting seat 9 and to lock the armrest portion 3 relative to the seat portion 1. When the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1 and the backrest portion 2 is flipped forward to a preset angle relative to the seat portion 1, the backrest control unlocking mechanism 5 is acted again. The backrest control unlocking mechanism 5 can further be linked to the backrest control locking mechanism 4 to release the seat armrest locking mechanism 6, thereby releasing the locking state of the seat portion 1 relative to the seat connecting seat 9 and releasing the locking state of the armrest portion 3 relative to the seat portion 1.

As described above, a child seat that is easy to operate, the seat part 1 includes a seat connecting seat 11 rotatably connected to the seat connecting seat 9, the backrest part 2 includes a backrest connecting seat 21 rotatably connected to the seat connecting seat 11, and the armrest part 3 includes an armrest connecting seat 31 rotatably connected to the seat connecting seat 11; the backrest control locking mechanism 4 is located between the backrest connecting seat 21 and the seat connecting seat 11, and the seat armrest locking mechanism 6 is located between the armrest connecting seat 31, the seat connecting seat 11 and the seat connecting seat 9.

As described above, a child seat that is easy to operate, the backrest control locking mechanism 4 includes a plurality of backrest locking grooves 41 circumferentially spaced on the seat connecting seat 11 and a backrest sliding block 42 slidably provided on the backrest connecting seat 21, the backrest sliding block 42 has a backrest locking protrusion 421 that can be inserted into the corresponding backrest locking groove 41, and a backrest locking elastic member 43 that can keep the backrest locking protrusion 421 elastically inserted into the corresponding backrest locking groove 41 is provided between the backrest sliding block 42 and the backrest connecting seat 21; the backrest sliding block 42 is configured to be linked by the backrest control unlocking mechanism 5.

As described above, a child seat that is easy to operate, the backrest control unlocking mechanism 5 includes a backrest unlocking wrench 51 rotatably connected to the backrest portion 2, the backrest unlocking wrench 51 is connected to the backrest sliding block 42 through a backrest unlocking pull rope 52, and a wrench reset elastic member 53 is provided between the backrest unlocking wrench 51 and the backrest portion 2 for rotating and resetting the backrest unlocking wrench 51 relative to the backrest portion 2.

As described above, a child seat that is easy to operate has a safety locking mechanism 7 provided between the backrest unlocking lever 51 and the backrest portion 2 for preventing the backrest unlocking lever 51 from continuing to rotate relative to the backrest portion 2 after the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1.

As described above, a child seat that is easy to operate, the safety locking mechanism 7 includes a safety blocking portion 71 arranged on the backrest portion 2 and a safety blocking button 72 that is slidably arranged on the backrest unlocking wrench 51 and can cooperate with the safety blocking portion 71 to block the backrest portion 71, and a button reset elastic member 73 is provided between the safety blocking button 72 and the backrest unlocking wrench 51 for sliding and resetting the safety blocking button 72 relative to the backrest unlocking wrench 51.

As described above, a child seat that is easy to operate is provided with an unlocking and blocking mechanism 8 between the backrest sliding block 42 and the seat connecting seat 11, which is used to limit the movement range of the backrest sliding block 42 to block the backrest control unlocking mechanism 5 from linking the seat armrest locking mechanism 6 to release the lock. The unlocking and blocking mechanism 8 is configured to release the blocking of the backrest sliding block 42 when the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1 and the backrest portion 2 is flipped forward to a preset angle relative to the seat portion 1.

As described above, a child seat that is easy to operate, the unlocking blocking mechanism 8 includes an unlocking blocking portion 81 arranged on the seat connecting seat 11 and an unlocking blocking member 82 arranged on the backrest sliding block 42 and capable of blocking and cooperating with the unlocking blocking portion 81. The unlocking blocking mechanism 8 also includes an unlocking avoidance position 83 for avoiding the unlocking blocking member 82 when the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1 and the backrest portion 2 is flipped forward to a preset angle relative to the seat portion 1.

As described above, a child seat that is easy to operate also includes an unlocking blocking mechanism 8 for blocking the backrest control unlocking mechanism 5 from linking the seat armrest locking mechanism 6 to release the lock, and the unlocking blocking mechanism 8 is configured to release the blocking of the backrest control unlocking mechanism 5 when the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1 and the backrest portion 2 is flipped forward to a preset angle relative to the seat portion 1.

As described above, a child seat that is easy to operate, the seat armrest locking mechanism 6 includes seat locking grooves 61 respectively arranged on opposite sides of the seat connecting seat 11 and the seat connecting seat 9, and a seat locking gear 62 slidably arranged between the seat connecting seat 11 and the seat connecting seat 9 and capable of simultaneously snapping into the seat locking grooves 61 of the seat connecting seat 11 and the seat connecting seat 9, and a seat locking elastic member 63 is provided between the seat locking gear 62 and the seat connecting seat 9, which enables the seat locking gear 62 to elastically snap into the seat locking grooves 61 of the seat connecting seat 11 and the seat connecting seat 9 at the same time; the seat armrest locking mechanism 6 also includes a seat locking elastic member 63 provided between the seat locking gear 62 and the seat connecting seat 9 An armrest locking groove 65 on the receiving seat 31 and an armrest locking protrusion 66 which is arranged on the corresponding end of the seat locking gear 62 and can be inserted into the armrest locking groove 65; a seat locking groove 61 which can push the seat locking gear 62 to exit the seat connecting seat 11 and an unlocking sliding block 64 which can make the armrest locking protrusion 66 exit the armrest locking groove 65 are slidably provided between the seat locking gear 62 and the seat connecting seat 11, and the unlocking sliding block 64 is configured to be linked by the backrest control unlocking mechanism 5 when the backrest control unlocking mechanism 5 releases the locking state of the backrest part 2 relative to the seat part 1 and the backrest part 2 is flipped forward to a preset angle relative to the seat part 1.

As described above, a child seat that is easy to operate, the backrest control locking mechanism 4 includes a backrest sliding block 42 slidably arranged on the backrest connecting seat 21, and the backrest sliding block 42 is configured to be linked by the backrest control unlocking mechanism 5; unlocking inclined surfaces 422 are respectively provided on the opposite sides of the backrest sliding block 42 and the unlocking sliding block 64. When the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1 and the backrest portion 2 is flipped forward to a preset angle relative to the seat portion 1, the backrest control unlocking mechanism 5 links the backrest sliding block 42 to move accordingly so that the unlocking inclined surface 422 of the backrest sliding block 42 cooperates with the unlocking inclined surface 422 of the unlocking sliding block 64, thereby causing the unlocking sliding block 64 to slide accordingly.

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

1. When the child seat is folded, the user operates the backrest control unlocking mechanism to link the backrest control locking mechanism to release the locking state of the backrest relative to the seat part. At this time, the backrest can be rotated relative to the seat part, and then the backrest can be operated to flip forward to a preset angle relative to the seat part, and the backrest control unlocking mechanism can be operated again to continue to link the backrest control locking mechanism to release the seat armrest locking mechanism, thereby releasing the locking state of the seat part relative to the seat connecting seat and releasing the locking state of the armrest part relative to the seat part. Then, the backrest and the armrest part can be rotated and moved closer to one side of the seat part until the folding work of the child seat is completed, and at the same time, the seat part can be rotated and moved closer to one side of the frame body until the child seat is rotated and moved closer to the frame body. For this reason, the utility model only needs to operate the backrest control unlocking mechanism to link the backrest control locking mechanism and the seat armrest locking mechanism to release the lock, and has the characteristics of simple structure, reasonable design, simple operation, convenient unlocking and reliability.

2. The utility model can lock the armrest part relative to the seat part and the seat part relative to the chair connecting seat through a seat armrest locking mechanism, which can also simplify the structure, reduce manufacturing costs, and reduce assembly steps.

3. A safety locking mechanism is provided between the backrest unlocking lever and the backrest portion, which is used to prevent the backrest unlocking lever from continuing to rotate relative to the backrest portion after the backrest control unlocking mechanism releases the locking state of the backrest portion relative to the seat portion. This can ensure that during the process of adjusting the inclination angle of the backrest portion relative to the seat portion, the backrest control unlocking mechanism can only link the backrest control locking mechanism to move accordingly, but cannot link the seat armrest locking mechanism to release the lock, thereby ensuring safe and reliable adjustment and safe use; in addition, it can also avoid misoperation and realize the function of a double lock.

4. The utility model uses a safety locking mechanism and an unlocking blocking mechanism to block the backrest control unlocking mechanism from linking the seat armrest locking mechanism to release the lock during the process of adjusting the tilt angle of the backrest, thereby realizing the function of a double two-way lock, which is safer and more reliable.

【Brief Description of the Drawings】

The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

Fig. 1 is a perspective view of the utility model.

FIG. 2 is a side view of the utility model in an unfolded state.

FIG. 3 is a side view of the utility model when the backrest portion is flipped forward to a preset angle relative to the seat portion.

FIG. 4 is a side view of the utility model in a folded state.

FIG5 is a cross-sectional view of the seat armrest locking mechanism of the present invention.

FIG. 6 is one of the exploded views of the seat armrest locking mechanism of the present invention.

FIG. 7 is a second exploded view of the seat armrest locking mechanism of the present invention.

FIG8 is a three-dimensional view of the backrest sliding block of the utility model.

FIG. 9 is a perspective view of the seat connector of the present invention.

FIG. 10 is one of the exploded views of the backrest control unlocking mechanism in the present invention.

FIG. 11 is a second exploded view of the backrest control unlocking mechanism in the present invention.

FIG. 12 is a cross-sectional view of the backrest control unlocking mechanism of the present invention.

【Detailed ways】

The implementation modes of the present utility model are described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1-12, the utility model is an easy-to-operate child seat, comprising:

The seat portion 1 is rotatably connected to a seat connection seat 9 for connecting to the frame body;

A backrest portion 2, wherein the lower end of the backrest portion 2 is rotatably connected to the rear side of the seat portion 1, a backrest control locking mechanism 4 for locking the backrest portion 2 relative to the seat portion 1 is provided between the backrest portion 2 and the seat portion 1, and a backrest control unlocking mechanism 5 for linking the backrest control locking mechanism 4 to release the locking state of the backrest portion 2 relative to the seat portion 1 is provided on the backrest portion 2;

An armrest portion 3, the armrest portion 3 is rotatably connected to the seat portion 1 and is located in front of the backrest portion 2;

The seat armrest locking mechanism 6 is configured to lock the seat portion 1 relative to the seat connecting seat 9 and to lock the armrest portion 3 relative to the seat portion 1. When the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1 and the backrest portion 2 is flipped forward to a preset angle relative to the seat portion 1, the backrest control unlocking mechanism 5 is acted again. The backrest control unlocking mechanism 5 can further be linked to the backrest control locking mechanism 4 to release the seat armrest locking mechanism 6, thereby releasing the locking state of the seat portion 1 relative to the seat connecting seat 9 and releasing the locking state of the armrest portion 3 relative to the seat portion 1.

When the armrest portion and the seat portion are in an unlocked state, the armrest portion can rotate relative to the seat portion or the seat connecting seat or the frame body, and the seat portion can rotate relative to the seat connecting seat or the frame body.

When the child seat is folded, the user operates the backrest control unlocking mechanism to link the backrest control locking mechanism to release the locking state of the backrest relative to the seat part. At this time, the backrest can be rotated relative to the seat part, and then the backrest can be operated to flip forward to a preset angle relative to the seat part (as shown in Figure 3, the backrest can be flipped forward to an upright state relative to the seat part). The backrest control unlocking mechanism can be operated again to continue to link the backrest control locking mechanism to release the seat armrest locking mechanism, thereby releasing the locking state of the seat part relative to the seat connecting seat and releasing the locking state of the armrest part relative to the seat part. The backrest and the armrest part can be rotated toward one side of the seat part and moved closer to each other until the folding work of the child seat is completed. At the same time, the seat part can be rotated toward one side of the frame body and moved closer to each other (as shown in Figure 4) until the child seat is rotated and moved closer to the frame body. For this reason, the utility model only needs to operate the backrest control unlocking mechanism to link the backrest control locking mechanism and the seat armrest locking mechanism to release the lock, and has the characteristics of simple structure, reasonable design, simple operation, convenient unlocking and reliability.

As shown in Fig. 1-7, in order to make the structure of the child seat more compact, the seat portion 1 includes a seat connection seat 11 rotatably connected to the seat connection seat 9, the backrest portion 2 includes a backrest connection seat 21 rotatably connected to the seat connection seat 11, and the armrest portion 3 includes an armrest connection seat 31 rotatably connected to the seat connection seat 11; the backrest control locking mechanism 4 is located between the backrest connection seat 21 and the seat connection seat 11, and the seat armrest locking mechanism 6 is located between the armrest connection seat 31, the seat connection seat 11 and the seat connection seat 9. As shown in Fig. 5-7, the backrest connection seat, the armrest connection seat and the seat connection seat are rotatably connected around the same axis.

In some embodiments, in order to make the operation more convenient, a linkage mechanism is provided between the backrest portion 2 and the armrest portion 3, which is not shown in the figure. The backrest portion 2 can be rotated and unfolded or rotated and folded in conjunction with the armrest portion 3 through the linkage mechanism.

As shown in Figures 5-9, in order to better lock the backrest relative to the seat and adjust the tilt angle, the backrest control locking mechanism 4 includes a plurality of backrest locking grooves 41 circumferentially spaced on the seat connecting seat 11 and a backrest sliding block 42 slidably provided on the backrest connecting seat 21, the backrest sliding block 42 has a backrest locking protrusion 421 that can be inserted into the corresponding backrest locking groove 41, and a backrest locking elastic member 43 that can keep the backrest locking protrusion 421 elastically inserted into the corresponding backrest locking groove 41 is provided between the backrest sliding block 42 and the backrest connecting seat 21; the backrest sliding block 42 is configured to be linked by the backrest control unlocking mechanism 5. When the tilt angle of the backrest needs to be adjusted, the user only needs to operate the backrest control unlocking mechanism 5 to link the backrest sliding block 42 to slide upward relative to the backrest connecting seat 21, so that the backrest locking protrusion 421 exits the backrest locking groove 41, and then operate the backrest to rotate relative to the seat part to the desired tilt angle, and then cancel the force on the backrest sliding block 42, so that the backrest locking elastic member 43 makes the backrest sliding block 42 slide downward relative to the backrest connecting seat 21, and then the backrest locking protrusion 421 is stuck in the corresponding backrest locking groove 41, which is convenient for adjustment.

As shown in Figures 6, 7, and 10-12, in order to facilitate the unlocking operation, the backrest control unlocking mechanism 5 includes a backrest unlocking wrench 51 rotatably connected to the backrest portion 2, and the backrest unlocking wrench 51 is connected to the backrest sliding block 42 through a backrest unlocking rope 52. A wrench reset elastic member 53 is provided between the backrest unlocking wrench 51 and the backrest portion 2 for rotating and resetting the backrest unlocking wrench 51 relative to the backrest portion 2.

As shown in Figures 10-12, a safety locking mechanism 7 is provided between the backrest unlocking wrench 51 and the backrest portion 2, which is used to prevent the backrest unlocking wrench 51 from continuing to rotate relative to the backrest portion 2 after the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1. This can ensure that during the process of adjusting the inclination angle of the backrest portion relative to the seat portion, the backrest control unlocking mechanism can only link the backrest control locking mechanism to move accordingly, and cannot link the seat armrest locking mechanism to release the lock, thereby ensuring safe and reliable adjustment and safe use; in addition, it can also avoid misoperation and realize the function of two locks.

As shown in Figures 10-12, the safety locking mechanism 7 includes a safety blocking portion 71 arranged on the backrest portion 2 and a safety blocking button 72 which is slidably arranged on the backrest unlocking wrench 51 and can cooperate with the safety blocking portion 71 to block the backrest portion 71. A button reset elastic member 73 is provided between the safety blocking button 72 and the backrest unlocking wrench 51 for sliding and resetting the safety blocking button 72 relative to the backrest unlocking wrench 51.

As shown in Figures 6-9, an unlocking blocking mechanism 8 is provided between the backrest sliding block 42 and the seat connecting seat 11, which is used to limit the movement stroke of the backrest sliding block 42 to block the backrest control unlocking mechanism 5 from linking the seat armrest locking mechanism 6 to release the lock. The unlocking blocking mechanism 8 is configured to release the blocking of the backrest sliding block 42 when the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1 and the backrest portion 2 is flipped forward to a preset angle relative to the seat portion 1. This can ensure that during the process of adjusting the inclination angle of the backrest portion relative to the seat portion, the backrest control unlocking mechanism can only link the backrest control locking mechanism to move accordingly, and cannot link the seat armrest locking mechanism to release the lock, thereby ensuring safe and reliable adjustment and safe use. In addition, it can also avoid misoperation and realize the function of a second lock.

As shown in Figs. 6-9, the unlocking blocking mechanism 8 comprises an unlocking blocking portion 81 provided on the seat connecting seat 11 and an unlocking blocking member 82 provided on the backrest sliding block 42 and capable of blocking and cooperating with the unlocking blocking portion 81. The unlocking blocking mechanism 8 also comprises an unlocking avoidance position 83 for avoiding the unlocking blocking member 82 when the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1 and the backrest portion 2 flips forward to a preset angle relative to the seat portion 1. Preferably, a limiting slide groove is formed between the unlocking blocking portion 81 and the seat connecting seat 11 for the unlocking blocking member 82 to slide therein, and the unlocking avoidance position 83 is an unlocking avoidance gap connected to the limiting slide groove, as shown in Figs. 6, 7 and 9; when the safety locking mechanism 7 does not release the blocking state of the backrest unlocking wrench 51, the unlocking blocking member 82 can only slide in the limiting slide groove and cannot exit from the unlocking avoidance gap.

As shown in Figures 6-9, it also includes an unlocking blocking mechanism 8 for blocking the backrest control unlocking mechanism 5 from linking the seat armrest locking mechanism 6 to release the lock, and the unlocking blocking mechanism 8 is configured to release the blocking of the backrest control unlocking mechanism 5 when the backrest control unlocking mechanism 5 releases the locking state of the backrest part 2 relative to the seat part 1 and the backrest part 2 is flipped forward to a preset angle relative to the seat part 1.

As shown in FIGS. 5-7 , in order to better lock the armrest and the seat, the seat armrest locking mechanism 6 includes seat locking grooves 61 respectively arranged on opposite sides of the seat connecting seat 11 and the seat connecting seat 9, and a seat locking gear 62 slidably arranged between the seat connecting seat 11 and the seat connecting seat 9 and capable of simultaneously snapping into the seat locking grooves 61 of the seat connecting seat 11 and the seat connecting seat 9; a seat locking elastic member 63 is provided between the seat locking gear 62 and the seat connecting seat 9, which enables the seat locking gear 62 to elastically snap into the seat locking grooves 61 of the seat connecting seat 11 and the seat connecting seat 9 at the same time; the seat armrest locking mechanism 6 also includes a seat locking gear 62 arranged between the seat locking gear 62 and the seat connecting seat 9; An armrest locking groove 65 on the armrest connecting seat 31 and an armrest locking protrusion 66 provided on the corresponding end of the seat locking gear 62 and capable of being inserted into the armrest locking groove 65; a seat locking groove 61 capable of pushing the seat locking gear 62 out of the seat connecting seat 11 and an unlocking sliding block 64 capable of allowing the armrest locking protrusion 66 to exit the armrest locking groove 65 are slidably provided between the seat locking gear 62 and the seat connecting seat 11; the unlocking sliding block 64 is configured to be linked by the backrest control unlocking mechanism 5 when the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1 and the backrest portion 2 is flipped forward to a preset angle relative to the seat portion 1.

As shown in Figures 6, 7 and 9, the seat connecting base 11 is provided with a guide through hole 661 for the locking end of the armrest locking protrusion 66 to pass through. The locking end of the armrest locking protrusion 66 cooperates with the guide through hole 661 to ensure that the seat locking gear 62 slides stably and smoothly along the set direction, and at the same time, it can also make the seat armrest locking mechanism 6 structure more stable.

As shown in FIGS. 6 , 7 and 9 , the middle positions of the armrest connecting seat 31 and the seat connecting seat 11 are respectively provided with limiting through holes 641 for the unlocking sliding block 64 to slide therein.

As shown in Figures 6-8, in order to better link unlocking, the backrest control locking mechanism 4 includes a backrest sliding block 42 slidably arranged on the backrest connecting seat 21, and the backrest sliding block 42 is configured to be linked by the backrest control unlocking mechanism 5; unlocking inclined surfaces 422 are respectively provided on the opposite sides of the backrest sliding block 42 and the unlocking sliding block 64. When the backrest control unlocking mechanism 5 releases the locking state of the backrest portion 2 relative to the seat portion 1 and the backrest portion 2 is flipped forward to a preset angle relative to the seat portion 1, the backrest control unlocking mechanism 5 links the backrest sliding block 42 to move accordingly so that the unlocking inclined surface 422 of the backrest sliding block 42 cooperates with the unlocking inclined surface 422 of the unlocking sliding block 64, thereby causing the unlocking sliding block 64 to slide accordingly.

working principle:

The user operates the backrest unlocking wrench 51 to rotate relative to the backrest portion 2, and the backrest unlocking wrench 51 drives the backrest sliding block 42 to slide upward relative to the backrest connecting seat 21 through the backrest unlocking pull rope 52, so that the backrest locking protrusion 421 exits the backrest locking groove 41, and at the same time, the unlocking blocking member 82 is blocked by the unlocking blocking portion 81, and the safety blocking button 72 is blocked by the safety blocking portion 71. At this time, the backrest connecting seat 21 of the backrest portion 2 can rotate relative to the seat connecting seat 11 of the seat portion 1;

Then, the backrest portion 2 is operated to flip forward to a preset angle relative to the seat portion 1 (as shown in FIG. 3 , at which time the unlocking blocking member 82 is located at the unlocking avoidance position 83 (i.e., the unlocking blocking member 81 cancels the blocking of the unlocking blocking member 82);

The user presses the safety blocking button 72 to make the safety blocking portion 71 cancel the blocking of the safety blocking button 72, and then operates the backrest unlocking wrench 51 to continue to rotate so that the backrest sliding block 42 continues to slide upward relative to the backrest connecting seat 21, so that the unlocking inclined surface 422 of the backrest sliding block 42 cooperates with the unlocking inclined surface 422 of the unlocking sliding block 64, that is, the unlocking sliding block 64 is driven to push the seat locking gear 62 to slide horizontally toward the side of the seat connecting seat 9, until the seat locking gear 62 exits the seat locking groove 61 of the seat connecting seat 11 and the armrest locking protrusion 66 exits the armrest locking groove 65, at which time the armrest portion 3 can rotate relative to the seat portion 1, and the seat portion 1 can rotate relative to the seat connecting seat 9;

Finally, the backrest 2 and the armrest 3 are rotated toward the seat 1 to be folded together (as shown in FIG. 4 ), and the seat 1 is rotated toward the frame body to be folded together, thereby completing the folding work of the child seat.

Claims (10)

1. A child seat that is easy to operate, comprising: A seat portion (1); the seat portion (1) is rotatably connected to a seat connection seat (9) for connecting to a vehicle frame body; A backrest (2), the lower end of the backrest (2) being rotatably connected to the rear side of the seat (1), a backrest control locking mechanism (4) for locking the backrest (2) relative to the seat (1) being provided between the backrest (2) and the seat (1), and a backrest control unlocking mechanism (5) for interlocking with the backrest control locking mechanism (4) to release the locking state of the backrest (2) relative to the seat (1) being provided on the backrest (2); An armrest portion (3), the armrest portion (3) being rotatably connected to the seat portion (1) and being located in front of the backrest portion (2); A seat armrest locking mechanism (6) is configured to lock a seat portion (1) relative to a seat connecting seat (9) and to lock an armrest portion (3) relative to the seat portion (1). When a backrest control unlocking mechanism (5) releases the locking state of a backrest portion (2) relative to the seat portion (1) and the backrest portion (2) is flipped forward to a preset angle relative to the seat portion (1), the backrest control unlocking mechanism (5) is acted on again. The backrest control unlocking mechanism (5) can further be linked to a backrest control locking mechanism (4) to release the seat armrest locking mechanism (6), thereby releasing the locking state of the seat portion (1) relative to the seat connecting seat (9) and releasing the locking state of the armrest portion (3) relative to the seat portion (1). 2. A child seat that is easy to operate according to claim 1, characterized in that the seat part (1) includes a seat connecting seat (11) rotatably connected to the seat connecting seat (9), the backrest part (2) includes a backrest connecting seat (21) rotatably connected to the seat connecting seat (11), and the armrest part (3) includes an armrest connecting seat (31) rotatably connected to the seat connecting seat (11); the backrest control locking mechanism (4) is located between the backrest connecting seat (21) and the seat connecting seat (11), and the seat armrest locking mechanism (6) is located between the armrest connecting seat (31), the seat connecting seat (11) and the seat connecting seat (9). 3. A child seat that is easy to operate according to claim 2, characterized in that the backrest control locking mechanism (4) includes a plurality of backrest locking grooves (41) circumferentially spaced on the seat connecting seat (11) and a backrest sliding block (42) slidably arranged on the backrest connecting seat (21), the backrest sliding block (42) having a backrest locking protrusion (421) that can be snapped into the corresponding backrest locking groove (41), and a backrest locking elastic member (43) that can keep the backrest locking protrusion (421) elastically snapped into the corresponding backrest locking groove (41) is provided between the backrest sliding block (42) and the backrest connecting seat (21); the backrest sliding block (42) is configured to be linked by the backrest control unlocking mechanism (5). 4. A child seat with easy operation according to claim 3, characterized in that the backrest control unlocking mechanism (5) comprises a backrest unlocking wrench (51) rotatably connected to the backrest portion (2), the backrest unlocking wrench (51) is connected to the backrest sliding block (42) through a backrest unlocking pull rope (52), and a wrench reset elastic member (53) is provided between the backrest unlocking wrench (51) and the backrest portion (2) for rotating and resetting the backrest unlocking wrench (51) relative to the backrest portion (2); A safety locking mechanism (7) is provided between the backrest unlocking wrench (51) and the backrest portion (2) for preventing the backrest unlocking wrench (51) from continuing to rotate relative to the backrest portion (2) after the backrest control unlocking mechanism (5) releases the locking state of the backrest portion (2) relative to the seat portion (1). 5. A child seat that is easy to operate according to claim 4, characterized in that the safety locking mechanism (7) includes a safety blocking portion (71) arranged on the backrest portion (2) and a safety blocking button (72) that is slidably arranged on the backrest unlocking wrench (51) and can cooperate with the safety blocking portion (71) to block, and a button reset elastic member (73) is provided between the safety blocking button (72) and the backrest unlocking wrench (51) for sliding and resetting the safety blocking button (72) relative to the backrest unlocking wrench (51). 6. A child seat that is easy to operate according to any one of claims 3 to 5, characterized in that an unlocking and blocking mechanism (8) is provided between the backrest sliding block (42) and the seat connecting seat (11) for limiting the movement range of the backrest sliding block (42) to block the backrest control unlocking mechanism (5) from linking the seat armrest locking mechanism (6) to release the lock, and the unlocking and blocking mechanism (8) is configured to release the blocking of the backrest sliding block (42) when the backrest control unlocking mechanism (5) releases the locking state of the backrest portion (2) relative to the seat portion (1) and the backrest portion (2) is flipped forward to a preset angle relative to the seat portion (1). 7. A child seat that is easy to operate according to claim 6, characterized in that the unlocking blocking mechanism (8) includes an unlocking blocking portion (81) arranged on the seat connecting seat (11) and an unlocking blocking member (82) arranged on the backrest sliding block (42) and capable of blocking and cooperating with the unlocking blocking portion (81), and the unlocking blocking mechanism (8) also includes an unlocking avoidance position (83) for avoiding the unlocking blocking member (82) when the backrest control unlocking mechanism (5) releases the locking state of the backrest portion (2) relative to the seat portion (1) and the backrest portion (2) is flipped forward to a preset angle relative to the seat portion (1). 8. According to claim 1, a child seat that is easy to operate is characterized in that it also includes an unlocking blocking mechanism (8) for blocking the backrest control unlocking mechanism (5) from linking the seat armrest locking mechanism (6) to release the lock, and the unlocking blocking mechanism (8) is configured to release the blocking of the backrest control unlocking mechanism (5) when the backrest control unlocking mechanism (5) releases the locking state of the backrest portion (2) relative to the seat portion (1) and the backrest portion (2) is flipped forward to a preset angle relative to the seat portion (1). 9. A child seat with easy operation according to claim 2, characterized in that the seat armrest locking mechanism (6) comprises seat locking grooves (61) respectively arranged on opposite sides of the seat connecting seat (11) and the seat connecting seat (9), and a seat locking gear (62) slidably arranged between the seat connecting seat (11) and the seat connecting seat (9) and capable of being simultaneously snapped into the seat locking grooves (61) of the seat connecting seat (11) and the seat connecting seat (9), and a seat locking elastic member (63) is provided between the seat locking gear (62) and the seat connecting seat (9) to enable the seat locking gear (62) to be simultaneously elastically snapped into the seat locking grooves (61) of the seat connecting seat (11) and the seat connecting seat (9); The seat armrest locking mechanism (6) further comprises an armrest locking groove (65) provided on the armrest connecting seat (31) and an armrest locking protrusion (66) provided on the corresponding end of the seat locking gear (62) and capable of being inserted into the armrest locking groove (65); A seat locking groove (61) capable of pushing the seat locking gear (62) out of the seat connecting seat (11) and an unlocking slide block (64) capable of making the armrest locking protrusion (66) out of the armrest locking groove (65) are slidably provided between the seat locking gear (62) and the seat connecting seat (11). The unlocking slide block (64) is configured to be linked to the backrest control unlocking mechanism (5) when the backrest control unlocking mechanism (5) releases the locking state of the backrest portion (2) relative to the seat portion (1) and the backrest portion (2) is flipped forward to a preset angle relative to the seat portion (1). 10. A child seat that is easy to operate according to claim 9, characterized in that the backrest control locking mechanism (4) comprises a backrest sliding block (42) slidably arranged on the backrest connecting seat (21), and the backrest sliding block (42) is configured to be linked to the backrest control unlocking mechanism (5); The backrest sliding block (42) and the unlocking sliding block (64) are respectively provided with unlocking inclined surfaces (422) on the opposite sides. When the backrest control unlocking mechanism (5) releases the locking state of the backrest portion (2) relative to the seat portion (1) and the backrest portion (2) is flipped forward to a preset angle relative to the seat portion (1), the backrest control unlocking mechanism (5) links the backrest sliding block (42) to move accordingly so that the unlocking inclined surface (422) of the backrest sliding block (42) cooperates with the unlocking inclined surface (422) of the unlocking sliding block (64), thereby causing the unlocking sliding block (64) to slide accordingly.