CN220720873U

CN220720873U - Child safety seat

Info

Publication number: CN220720873U
Application number: CN202322222369.4U
Authority: CN
Inventors: 刘旺
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-04-05
Anticipated expiration: 2033-08-17

Abstract

The utility model discloses a child safety seat, which comprises a base, a seat shell rotatably arranged on the base, and a locking mechanism for locking the positions of the base and the seat shell, wherein the locking mechanism comprises a locking piece rotatably arranged on one of the base and the seat shell and a locking part matched with the locking piece, the locking piece is matched with the locking part when the locking mechanism is in a locking state, the locking piece is disengaged from the locking part when the locking mechanism is in an unlocking state, the child safety seat also comprises an unlocking mechanism for driving the locking mechanism to unlock, the unlocking mechanism comprises an unlocking button slidably arranged on a part provided with the locking piece in the base and the seat shell, a driving piece rotationally connected with the unlocking button and a connecting piece with one end part connected with the driving piece, the part provided with the locking piece in the base and the seat shell is matched with the driving piece, and the other end part of the connecting piece is arranged on the locking piece. The unlocking mode of the child safety seat is simple in structure and convenient to operate.

Description

Child safety seat

Technical Field

The utility model relates to the technical field of children products, in particular to a child safety seat.

Background

Child safety seats are commonly used when a child is riding in a car to improve the safety performance of the child riding in the car. Child safety seats generally include a base and a seat shell disposed on the base that is connected to the vehicle seat when the child safety seat is installed on the vehicle seat. In order to make the child safety seat suitable for children of different age groups, the seat shell can rotate relative to the base, so that the child safety seat can be switched between a forward use state and a reverse use state. When the child safety seat is in the forward use state or the reverse use state, the relative positions of the base and the seat shell are locked through the locking mechanism, and when the child safety seat needs to be reversed, the unlocking mechanism needs to be operated to unlock the locking mechanism. In the prior art, the unlocking mechanism has a complex structure and is inconvenient to operate, so that the child safety seat is inconvenient to use.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a child safety seat with a simple structure and convenient unlocking operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a child safety seat comprising a base and a seat shell rotatably arranged on the base about a first axis, the first axis extending in an up-down direction, the child safety seat further comprising a locking mechanism for locking the relative positions of the base and the seat shell, the locking mechanism comprising a locking member rotatably arranged on one of the base and the seat shell and a locking portion arranged on the other of the base and the seat shell and adapted to the locking member, the locking member being engaged with the locking portion when the locking mechanism is in a locked state, the locking member being disengaged from the locking portion when the locking mechanism is in an unlocked state, the child safety seat further comprising an unlocking mechanism for actuating the locking mechanism to unlock from the locked state, the unlocking mechanism comprising an unlocking button slidably arranged on a part of both the base and the seat shell in which the locking member is arranged, a driving member rotatably connected to the unlocking button, and a connecting member having an end portion connected to the driving member, the base and the seat shell in which the other of the unlocking mechanism is arranged in a locked state, the driving member being engaged with the other end portion of the driving member.

Preferably, the connecting member is a rigid connecting member slidably provided on a part of both the base and the seat shell where the locking member is provided, one end of the connecting member is rotatably connected with the driving member, and the other end of the connecting member is rotatably connected with the locking member.

Preferably, the connecting piece is a soft connecting piece, one end part of the connecting piece is fixedly arranged on the driving piece, and the other end part of the connecting piece is fixedly arranged on the locking piece.

Preferably, the locking member is provided with a projection on a part of both the base and the seat shell, and the driving member is provided with a slope on which the projection abuts.

Preferably, the locking piece is rotatably arranged at the front part of the base, and the unlocking mechanisms are respectively arranged at the left side and the right side of the front part of the base.

Further, the locking piece comprises a main body part and a lock tongue arranged on the main body part, the main body part extends along the left-right direction, the lock tongue is arranged in the middle of the main body part, and the connecting piece on each side is respectively connected with the corresponding end part of the main body part.

Preferably, the locking piece comprises a main body part and a lock tongue arranged on the main body part, the lock part is a lock groove, when the locking mechanism is in a locking state, the lock tongue is inserted into the lock groove, and when the locking mechanism is in an unlocking state, the lock tongue is separated from the lock groove.

Still further, the base has the cavity, the upper portion of base still is provided with the fluting that makes cavity and outside intercommunication, the locking piece can rotationally set up in the cavity, and the spring bolt can stretch out to the outside of base by the fluting, perhaps retract into the cavity.

Preferably, the child safety seat further comprises an elastic member for urging the locking mechanism to automatically return from the unlocked state to the locked state, one end portion of the elastic member being provided on a member in which the locking member is provided in both the base and the seat shell, and the other end portion of the elastic member being provided on the locking member.

Preferably, the seat shell rotates relative to the base to enable the child safety seat to have at least a forward use state and a reverse use state, the locking pieces are rotatably arranged at the front part of the base, the locking parts are respectively arranged at two opposite end parts of the seat shell, when the child safety seat is in the forward use state, the locking pieces are matched with one locking part, and when the child safety seat is in the reverse use state, the locking pieces are matched with the other locking parts.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: when the locking mechanism is in a locking state, the unlocking button is only pressed, so that the driving piece can be driven to rotate relative to the unlocking button, and the locking piece is pulled to rotate through the connecting piece, so that the locking mechanism is unlocked.

Drawings

FIG. 1 is a perspective view of a child safety seat according to the present embodiment in a forward direction;

FIG. 2 is a schematic perspective view of a seat shell of the child safety seat of the present embodiment;

FIG. 3 is a perspective view of the base of the child safety seat of the present embodiment;

FIG. 4 is a schematic side cross-sectional view of the child safety seat of the present embodiment (with the locking mechanism in a locked state);

FIG. 5 is an enlarged schematic view of a portion of FIG. 4 at A;

FIG. 6 is a schematic side cross-sectional view of the child safety seat of the present embodiment (with the locking mechanism in an unlocked state);

FIG. 7 is an enlarged schematic view of a portion of FIG. 5 at A;

FIG. 8 is a schematic side cross-sectional view of the base of the child safety seat of the present embodiment (with the unlock button not depressed);

FIG. 9 is an enlarged schematic view of a portion of FIG. 8 at A;

FIG. 10 is a schematic side cross-sectional view of the base of the child safety seat of the present embodiment (after the unlock button is depressed);

FIG. 11 is an enlarged schematic view of a portion of FIG. 10 at A;

fig. 12 is a schematic view showing an arrangement of a lock mechanism and an unlock mechanism of the child safety seat of the present embodiment.

Wherein: 1. a base; 11. a convex portion; 12. slotting; 2. a seat shell; 21. a locking part; 3. a locking member; 31. a main body portion; 32. a bolt; 41. an unlock button; 42. a driving member; 421. an inclined plane; 43. a connecting piece; 44. a third shaft; 5. an elastic member; 6. a first shaft; 7. and a second shaft.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

In the following description, reference is made to directions such as "front", "rear", "left", "right", "up", "down", etc. being mounted on a car seat according to a child safety seat, a car head direction is a front, a car tail direction is a rear, a roof direction is an up, a car bottom direction is a down, and left and right sides of the car are left and right directions. The above directional definitions are merely provided to facilitate the description of the utility model and to simplify the description and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation and are not to be construed as limiting the utility model.

As shown in fig. 1, the child safety seat of the present utility model includes a base 1 and a seat shell 2 provided on the base 1.

The seat shell 2 is rotatably provided on the base 1 by a first shaft 6 extending in the up-down direction, and the seat shell 2 is rotatable relative to the base 1 about the first shaft 6 so that the child safety seat has at least a forward use state and a reverse use state.

When the child safety seat is in the forward use state, the face of the child faces forward when the child sits in the child safety seat, as shown in fig. 1. When the child safety seat is in the reverse use state, the face of the child faces backward when the child sits in the child safety seat. The seat shell 2 is rotatable about the first axis 6 relative to the base 1 to switch the child safety seat between a forward use condition and a reverse use condition.

The child safety seat further comprises a locking mechanism by which the relative positions of the base 1 and the seat shell 2 are locked. The locking mechanism has a locked state and an unlocked state. When the locking mechanism is in the locked state, the seat shell 2 cannot rotate relative to the base 1. When the locking mechanism is in the unlocked state, the seat shell 2 can rotate relative to the base 1. When the child safety seat is in the forward use state and the reverse use state, the locking mechanism is in the locking state. The locking mechanism is in an unlocked state when the child safety seat needs to be reversed between a forward use state and a reverse use state.

As shown in fig. 2 to 7 and 12, the lock mechanism includes a lock member 3 and a lock portion 21 fitted to the lock member 3, the lock member 3 is rotatably provided on one of the base 1 and the seat housing 2 about the second shaft 7, and the lock portion 21 is provided on the other of the base 1 and the seat housing 2. When the locking mechanism is in the locked state, the locking member 3 cooperates with the locking portion 21, so that the seat shell 2 and the base 1 are relatively fixed, as shown in fig. 4 and 5. When the locking mechanism is in the unlocked state, the engagement of the locking piece 3 with the locking portion 21 is released, as shown in fig. 6 and 7.

Specifically, the locking member 3 includes a main body 31 and a locking tongue 32 disposed on the main body 31, the locking portion 21 is a locking groove, and the locking tongue 32 is adapted to the locking groove. When the locking mechanism is in the locked state, the tongue 32 is inserted in the groove, as shown in fig. 4 and 5. When the locking mechanism is in the unlocked state, the locking tongue 32 is disengaged from the locking groove, as shown in fig. 6 and 7.

The child safety seat further comprises an unlocking mechanism which is unlocked when operated in a locked state, thereby rotating the seat housing 2 relative to the base 1 to switch the child safety seat between a forward use state and a reverse use state.

As shown in fig. 8 to 12, the unlocking mechanism includes an unlocking button 41, a driving member 42, and a connecting member 43. The unlock button 41 is slidably provided on a member provided with the lock 3 in both the base 1 and the seat shell 2. The driving member 42 is rotatably connected to the unlocking button 41 via a third shaft 44, the driving member 42 cooperating with a part of the seat shell 2 in both the base 1 and the seat shell 3. One end of the connecting member 43 is connected to the driving member 42, and the other end of the connecting member 43 is connected to the locking member 3.

When the unlocking button 41 is pressed by the locking mechanism in the locked state, the unlocking button 41 slides relative to the parts, in which the locking piece 3 is arranged, of the base 1 and the seat shell 2, the driving piece 42 is driven to synchronously slide relative to the parts, in which the locking piece 3 is arranged, of the base 1 and the seat shell 2, when the driving piece 42 slides, the driving piece 42 rotates relative to the unlocking button 41 around the third shaft 44 through the cooperation of the driving piece 42 and the parts, in which the locking piece 3 is arranged, of the base 1 and the seat shell 2, and when the driving piece 42 rotates, the locking piece 3 is pulled through the connecting piece 43, so that the locking piece 3 rotates, the lock tongue 32 is separated from the locking groove, and the locking mechanism is unlocked.

In this embodiment, the driving member 42 is engaged with the components of the base 1 and the seat shell 2 in which the locking member 3 is provided in such a manner that: the projection 11 is provided on the part of the base 1 and the seat shell 2 where the lock member 3 is provided, the inclined surface 421 is provided on the driving member 42, and the projection 11 abuts on the inclined surface 421. When the driving member 42 slides under the driving of the unlocking button 41, the driving member 42 rotates around the third shaft 44 relative to the unlocking button 41 due to the abutting action of the protrusion 11 on the inclined surface 421.

In this embodiment, the connection 43 is a rigid connection, the connection 43 being slidably arranged on the part of both the base 1 and the seat shell 2 where the locking element 3 is arranged. One end of the link 43 is rotatably connected to the driving member 42, and the other end of the link 43 is rotatably connected to the locking member 3. When the driving member 42 rotates around the third shaft 44 relative to the unlocking button 41, the driving member 42 rotates relative to the connecting member 43, and simultaneously, the connecting member 43 is pulled to slide relative to the parts of the base 1 and the seat shell 2, which are provided with the locking member 3, so that the connecting member 43 and the locking member 3 rotate relatively, and the locking member 3 is driven to rotate around the second shaft 7, so that the locking mechanism is unlocked.

Of course, the connecting member 43 may be a flexible connecting member, and in this case, one end of the connecting member 43 is fixedly disposed on the driving member 42, and the other end of the connecting member 43 is fixedly disposed on the locking member 3.

In this embodiment, the locking member 3 is rotatably disposed at the front of the base 1, the base 1 has a cavity, the upper portion of the base 1 is further provided with a slot 12 for communicating the cavity with the outside, the locking member 3 is rotatably disposed in the cavity of the base 1, the second shaft 7 extends in the left-right direction, and the locking slots are respectively disposed at opposite end portions of the seat housing 2. When the locking mechanism is in the locking state, the lock tongue 32 extends out of the base 1 from the slot 12, when the child safety seat is in the forward use state, the lock tongue 32 is clamped into one lock slot, and when the child safety seat is in the reverse use state, the lock tongue 32 is clamped into the other lock slot. When the locking mechanism is in the unlocked state, the tongue 32 is retracted into the cavity of the base 1.

The unlocking mechanisms are respectively arranged at the left side and the right side of the front part of the base 1. Specifically, the main body 31 of the locking member 3 extends in the left-right direction, the tongue 32 is disposed in the middle of the main body 31, and the connectors 43 on the left and right sides are respectively connected to corresponding ends of the main body 31. When the unlocking mechanism is operated on any one of the left side and the right side, the connecting piece 43 can drive the locking piece 3 to rotate relative to the base 1, so that the locking mechanism is unlocked, and the unlocking operation of the child safety seat is facilitated.

The child safety seat further comprises an elastic member 5, and the elastic force of the elastic member 5 is used for driving the locking mechanism to automatically reset from the unlocking state to the locking state. In this embodiment, the elastic member 5 is a tension spring, one end of which is disposed on the base 1, and the other end of which is disposed on the locking member 3.

In the normal use state of the child safety seat, the locking mechanism is in a locked state, i.e. the tongue 32 of the locking member 3 protrudes outside the cavity of the base 1 and is snapped into a locking groove.

When the child safety seat needs to be reversed to a reverse use state, the unlocking button 41 is pressed to enable the child safety seat to slide downwards relative to the base 1, so that the driving piece 42 slides downwards synchronously, in the process, due to the abutting effect of the convex part 11 and the inclined plane 421, the driving piece 42 rotates relative to the unlocking button 41 around the third shaft 44 at the same time, the connecting piece 43 moves forwards, the locking piece 3 is pulled when the connecting piece 43 moves forwards, the locking piece 3 rotates around the second shaft 7, and therefore the lock tongue 32 is separated from a current locking groove and is retracted into the cavity of the base 1, and the locking mechanism is unlocked. When the seat shell 2 rotates around the first shaft 6 relative to the base 1, and the other locking groove on the seat shell 2 rotates to correspond to the position of the groove 12 on the base 1, the locking piece 3 rotates reversely under the action of the elastic force of the elastic piece 5, the lock tongue 32 stretches out of the groove 12 on the base 1 and is clamped into the other locking groove, the locking mechanism locks again, and the child safety seat is in a reverse use state.

The method for reversing the child safety seat from the reverse use state to the forward use state is the same as above, and will not be described again.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. A child safety seat, characterized in that: the child safety seat comprises a base and a seat shell rotatably arranged on the base around a first shaft, wherein the first shaft extends along the up-down direction, the child safety seat further comprises a locking mechanism used for locking the relative positions of the base and the seat shell, the locking mechanism comprises a locking piece rotatably arranged on one of the base and the seat shell and a locking part rotatably arranged on the other of the base and the seat shell and matched with the locking piece, when the locking mechanism is in a locking state, the locking piece is matched with the locking part, when the locking mechanism is in an unlocking state, the locking piece is disengaged from the locking part, the child safety seat further comprises an unlocking mechanism used for driving the locking mechanism to unlock from the locking state, and the unlocking mechanism comprises an unlocking button slidably arranged on a part of the base and the seat shell, a driving piece rotationally connected with the unlocking button and a connecting piece with one end part connected with the driving piece, and when the locking mechanism is in a locking state, and when the locking mechanism is in an unlocking state, the part of the base and the seat shell is matched with the driving piece.

2. The child safety seat according to claim 1, wherein: the connecting piece is a rigid connecting piece, the connecting piece can be arranged on a part, in which the locking piece is arranged, of the base and the seat shell in a sliding mode, one end portion of the connecting piece is rotationally connected with the driving piece, and the other end portion of the connecting piece is rotationally connected with the locking piece.

3. The child safety seat according to claim 1, wherein: the connecting piece is a soft connecting piece, one end part of the connecting piece is fixedly arranged on the driving piece, and the other end part of the connecting piece is fixedly arranged on the locking piece.

4. The child safety seat according to claim 1, wherein: the parts of the base and the seat shell, which are provided with the locking piece, are provided with convex parts, the driving piece is provided with an inclined surface, and the convex parts are propped against the inclined surface.

5. The child safety seat according to claim 1, wherein: the locking piece can be rotatably arranged at the front part of the base, and the unlocking mechanisms are respectively arranged at the left side and the right side of the front part of the base.

6. The child safety seat according to claim 5, wherein: the locking piece comprises a main body part and a lock tongue arranged on the main body part, the main body part extends along the left-right direction, the lock tongue is arranged in the middle of the main body part, and each side of the connecting piece is connected with the corresponding end part of the main body part.

7. The child safety seat according to claim 1, wherein: the locking piece comprises a main body part and a lock tongue arranged on the main body part, wherein the lock part is a lock groove, when the locking mechanism is in a locking state, the lock tongue is inserted into the lock groove, and when the locking mechanism is in an unlocking state, the lock tongue is separated from the lock groove.

8. The child safety seat according to claim 7, wherein: the base is provided with a cavity, the upper part of the base is also provided with a slot which enables the cavity to be communicated with the outside, the locking piece can be rotatably arranged in the cavity, and the lock tongue can extend out of the base from the slot or retract into the cavity.

9. The child safety seat according to claim 1, wherein: the child safety seat further comprises an elastic member for urging the locking mechanism to automatically return from the unlocked state to the locked state, one end portion of the elastic member is provided on a member in both the base and the seat shell where the locking member is provided, and the other end portion of the elastic member is provided on the locking member.

10. The child safety seat according to claim 1, wherein: the seat shell rotates relative to the base to enable the child safety seat to have at least a forward use state and a reverse use state, the locking pieces can be rotatably arranged at the front part of the base, the locking parts are respectively arranged at two opposite end parts of the seat shell, when the child safety seat is in the forward use state, the locking pieces are matched with one locking part, and when the child safety seat is in the reverse use state, the locking pieces are matched with the other locking parts.