CN217347567U - Children car seat - Google Patents

Abstract

The utility model discloses a child car seat, including seat body, locking device, unlocking device, locking device includes a plurality of locking pieces, every the locking piece is set up on the seat body separately movably, unlocking device includes the deblocking spare that sets up on the seat body movably, every the locking piece with set up separately with interlocking between the deblocking spare, the deblocking spare has changeable latched position and unlocked position, the deblocking spare links all in the process of moving from latched position to unlocked position the locking piece and respectively relative the seat body motion, makes the locking device convert from latched state to unlocked state, unlocking device still includes the operating parts that are used for driving the deblocking spare to convert between latched position and unlocked position, just can make a plurality of locking pieces unblock simultaneously through operating same operating parts, simplifying the unlocking operation.

Description

Children car seat

Technical Field

The utility model relates to a children's car seat.

Background

The child lifting basket is used as a child car seat suitable for infants in smaller age groups, and brings convenience for traveling of the infants. In everyday use, the child carrier is generally not limited to use in automobiles, and conventional ways of use include, but are not limited to: a basket base is fixedly arranged on an automobile seat, and a main body part of the child basket is detachably arranged on the basket base and is used for children to take a bus; the main body part of the child lifting basket is arranged on a frame of the stroller and used as a seat pocket device of the stroller. The main body portion of the child carrier needs to be locked with an external device to be installed when being suitable for different scenes. At present, on the children's hand-basket on the market, the structure setting of its locking device is comparatively complicated, and often need realize the unblock through different unblock parts when being applied to on the different external device, leads to the structure complication of children's hand-basket, and influences and uses experience.

Disclosure of Invention

The utility model aims at providing a children's car seat to solve one or more problems of prior art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a child car seat comprises a seat body, a locking device which is arranged on the seat body and is used for being detachably connected with an external device, and an unlocking device for unlocking the locking device, the locking device including a plurality of locking pieces each of which is movably provided on the seat body, the unlocking device comprises unlocking pieces movably arranged on the seat body, each locking piece and each unlocking piece are arranged in a linkage manner, the unlocking piece is provided with a locking position and an unlocking position which can be switched, all the locking pieces are linked to move relative to the seat body respectively in the process that the unlocking piece moves from the locking position to the unlocking position, so that the locking device is switched from the locking state to the unlocking state, the unlocking device further comprises an operating piece for driving the unlocking piece to switch between the locking position and the unlocking position.

Preferably, the unlocking member is rotatably disposed on the seat body about a rotating shaft, the plurality of locking members includes a second locking member movably disposed on the seat body and a third locking member movably disposed on the seat body, and during the movement of the locking member from the locking position to the unlocking position, the first locking member, the second locking member and the third locking member are respectively linked to move relative to the seat body.

Further preferably, the first locking member is rotatably disposed on the seat body around a first shaft, the second locking member is rotatably disposed on the seat body around a second shaft, a shaft axis of the first shaft, a shaft axis of the second shaft and a shaft axis of the rotating shaft are parallel to each other, a first traction cable is connected between the first locking member and the unlocking member, a second traction cable is connected between the second locking member and the unlocking member, and in a process that the locking member moves from the locking position to the unlocking position, the first traction cable and the second traction cable are respectively tensioned to drive the first locking member and the second locking member to rotate.

Further preferably, the first locking member is a first locking hook extending in the up-down direction and having a first locking hook portion at a lower portion thereof, and an upper portion of the first locking hook is rotatably connected to the seat body around the first shaft; the second locking piece is a second locking hook which extends along the vertical direction and is provided with a second locking hook part at the lower part, the upper part of the second locking hook is connected to the seat body in a rotating way around the second shaft, and when the locking device is converted from an unlocking state to a locking state, the first locking hook part and the second locking hook part move oppositely; when the locking device is switched from the locking state to the unlocking state, the first locking hook part and the second locking hook part are relatively far away.

In some embodiments, the first latch hook and the second latch hook are disposed in tandem at a bottom of the seat body, wherein the seat body has a sitting portion and a backrest portion, the first latch hook is disposed below the sitting portion, and the second latch hook is disposed below the backrest portion.

Further preferably, the third locking piece sets up around third axial rotation on the seat body, the third locking piece with it is provided with the gangbar to separate between the piece, the gangbar is connected around fourth axial rotation on the seat body, the axial lead of fourth axis with the axial lead of rotation axis is parallel to each other, separate the piece by the latched position to the in-process of unblock position motion, the gangbar is around order about the third locking piece is relative when the fourth axis is rotatory the seat body rotates.

In some embodiments, one end of the linkage rod can rotate relatively and can slide relatively along the length direction of the linkage rod, and is connected with the unlocking piece, and the other end of the linkage rod abuts against the third locking piece, wherein the third locking piece is a third locking hook which extends along the vertical direction and has a third locking hook part at the lower part, the upper part of the third locking hook is connected to the seat body in a rotating manner around the third axis, the third locking hook has an abutting surface for cooperating with the linkage rod, and the linkage rod always abuts against the abutting surface in the process of converting the unlocking piece from the locking position to the unlocking position.

In some embodiments, the first shaft, the second shaft, the third shaft and the rotation shaft all extend in a left-right direction, and the first locking member, the second locking member and the third locking member each have two sets disposed on left and right sides.

Preferably, each of the locking pieces is rotatably disposed on the seat body, a first elastic member for urging the locking piece to rotate by a force required to maintain the locking device in the locked state is disposed between each of the locking pieces and the seat body, and/or the unlocking piece is rotatably disposed on the seat body, and a second elastic member for providing a force required to rotate the unlocking piece from the unlocking position to the locking position is disposed between the unlocking piece and the seat body.

As another preferable scheme, the unlocking piece is slidably disposed on the seat body, the locking piece is slidably disposed on the seat body, a traction cable is disposed between the locking piece and the unlocking piece, and the traction cable is tensioned to enable the locking piece to slide to realize unlocking in the process that the locking piece slides from the locking position to the unlocking position.

Preferably, the operating member is disposed on the seat body in a manner that the operating member can slide in an up-down direction, and the unlocking device further includes a main traction cable connected between the operating member and the unlocking member, and a third elastic member disposed between the seat body and the operating member and configured to provide a force required for sliding the operating member so that the unlocking member is maintained at the locking position.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's car seat just can make a plurality of locking pieces unblock simultaneously through the same operating parts of operation for this children's car seat all can be through operating according to same operation mode when installing on different external device or dismantling from different external device. This has not only simplified children's car seat's structure, has also simplified the unblock operation, and user operation is more convenient, uses and experiences better.

Drawings

Fig. 1 is a schematic view of an internal structure of a child car seat according to a first embodiment of the present invention, wherein an unlocking member is in a locking position;

FIG. 2 is a simplified schematic diagram of the connection between the locking device and the unlocking device of FIG. 1;

FIG. 3 is a simplified schematic illustration of the overall connection of the locking device and the unlocking device of FIG. 1;

fig. 4 is a schematic view of an internal structure of a child car seat according to a first embodiment of the present invention, wherein an unlocking member is in an unlocking position;

FIG. 5 is a simplified schematic illustration of the connection between the locking device and the unlocking device of FIG. 4;

fig. 6 is a schematic view of the overall structure of a child car seat according to a second embodiment of the present invention;

FIG. 7 is a schematic view of a child car seat according to a second embodiment of the present invention;

fig. 8 is a schematic structural view of a stroller frame to which the child car seat according to the second embodiment can be mounted;

fig. 9 is a schematic structural view of the child car seat of the second embodiment mounted on the stroller frame shown in fig. 8;

fig. 10 is a simplified schematic view of the child car seat internal locking device and unlocking device of the second embodiment in an integral relationship, wherein the unlocking member is in a locked position;

fig. 11 is a simplified schematic view of the child car seat interior locking device and unlocking device of the second embodiment in an integral relationship, wherein the unlocking member is in an unlocked position.

Detailed Description

The technical solution of the present invention is further explained below with reference to the accompanying drawings and specific embodiments.

Example one

Referring to fig. 1 to 5, a child car seat includes a seat body 10, a locking device disposed on the seat body 10 and used for being detachably connected with an external device, and an unlocking device used for unlocking the locking device, specifically, the locking device has a locking state and an unlocking state, and the unlocking device is used for converting the locking device from the locking state to the unlocking state.

The locking device comprises a plurality of locking pieces, each locking piece is respectively and movably arranged on the seat body 10, and the locking pieces are respectively and rotatably arranged on the seat body 10; the unlocking device comprises unlocking pieces 6 movably arranged on the seat body 10, and each locking piece is in linkage with the unlocking piece 6. The unlocking piece 6 has a switchable locking position and an unlocking position on a self movement path, and all locking pieces are linked to rotate relative to the seat body 10 respectively in the process that the unlocking piece 6 moves from the locking position to the unlocking position, so that the locking device is switched from the locking state to the unlocking state, and the locking device is unlocked. The unlocking device further comprises an operating member 5 for actuating the unlocking member 6 to change its position between the locking position and the unlocking position.

Specifically, in the present embodiment, the plurality of locking elements includes a first locking element 1 rotatably disposed on the seat body 10 about a first axis 101, a second locking element 2 rotatably disposed on the seat body 10 about a second axis 102, and a third locking element 3 rotatably disposed on the seat body 10 about a third axis 103, wherein the first locking element 1 and the second locking element 2 are disposed in tandem at the bottom of the seat body 10, and cooperate with each other for locking the child car seat to an external device, which is typically a basket base, for mounting on a car seat for use when a child rides on the car; the third locking member 3 is then used to lock the child car seat to another external device, typically a child buggy, for grafting the child car seat directly onto the buggy for pushing. The axial lines of the first shaft 101, the second shaft 102, and the third shaft 103 extend in the left-right direction and are parallel to each other. A first elastic member 14 is disposed between each locking member and the seat body 10 for driving the locking member to rotate with a required acting force so as to keep the locking device in the locking state, specifically, the first elastic member 14 is a torsion spring, and is sleeved on the corresponding rotating shaft of each locking member, such as the first shaft 101 and the second shaft 102 as shown in fig. 2.

In this embodiment, the unlocking member 6 is provided on the seat body 10 so as to be rotatable about a rotation shaft 105, and the axis of the rotation shaft 105 extends in the left-right direction and is parallel to the axes of the first shaft 101, the second shaft 102, and the third shaft 103. A second elastic member 13 for providing an acting force required for rotating the unlocking member 6 from the unlocking position to the locking position is disposed between the unlocking member 6 and the seat body 10, where the second elastic member 13 is embodied as a tension spring, which may be one or more, to provide an acting force required for rotating the unlocking member 6 about the rotating shaft 105 to move toward the unlocking position.

A first traction cable 7 is connected between the first locking piece 1 and the unlocking piece 6, a second traction cable 8 is connected between the second locking piece 2 and the unlocking piece 6, the locking device is in a locking state, the unlocking piece 6 is in a locking position, and the first traction cable 7 and the second traction cable 8 are both kept in a loose state or a state with small tension. During the process of moving the unlocking member 6 from the locking position to the unlocking position, the first traction cable 7 and the second traction cable 8 are simultaneously pulled and tensioned, and the first locking member 1 and the second locking member 2 are driven to rotate relative to the seat body 10 respectively.

In the present embodiment, the first locking member 1 and the second locking member 2 are disposed at the bottom of the seat body 10 at an interval in tandem, wherein the seat body 10 has a sitting portion 10a and a backrest portion 10b, the first locking member 1 is disposed below the sitting portion 10a, and the second locking member 2 is disposed below the backrest portion 10 b. The first locking member 1 is a first locking hook extending in the up-down direction and having a first locking hook portion 1a at a lower portion, the upper portion of the first locking hook is connected to the seat body 10 so as to rotate around a first shaft 101, and a hook opening portion of the first locking hook portion 1a faces rearward; the second locking member 2 is a second lock hook extending in the up-down direction and having a second lock hook portion 2a at a lower portion, an upper portion of the second lock hook is rotatably connected to the seat body 10 around a second shaft 102, and a hook opening portion of the second lock hook portion 2a faces forward. When the locking device is switched from the unlocking state to the locking state, the first hook part 1a and the second hook part 2a move oppositely; when the locking device is switched from the locked state to the unlocked state, the first hook portion 1a and the second hook portion 2a are relatively separated.

Referring to the drawings, a linkage rod 9 is arranged between the third locking piece 3 and the unlocking piece 6, the linkage rod 9 is rotatably arranged on the seat body 10 around a fourth shaft 104, the axis of the fourth shaft 104 is parallel to the axis of the rotating shaft 105, and in the process that the unlocking piece 6 moves from the locking position to the unlocking position, the linkage rod 9 rotates around the fourth shaft 104 to drive the third locking piece 3 to rotate relative to the seat body 10 to realize unlocking. Specifically, one end of the linkage rod 9 can rotate relatively and slide relatively along its length direction to connect with the unlocking piece 6, and the other end abuts against the third locking piece 3.

Here, referring to the drawings, the linkage rod 9 extends in the up-down direction, the middle portion thereof is rotatably connected to the seat body 10 through the fourth shaft 104, the third locking member 3 is disposed above the linkage rod 9, and the unlocking member 6 is disposed below the linkage rod 9. The lower part of the linkage rod 9 is provided with a sliding groove 9a extending along the length extending direction of the linkage rod 9, the unlocking piece 6 is provided with a convex column 6a, the extending direction of the convex column 6a is parallel to the axial lead of the rotating shaft 105, and the convex column 6a can rotate relatively and can be inserted into the sliding groove 9a in a relatively sliding manner; the third locking member 3 is embodied here as a third locking hook extending in the up-down direction and having a third locking hook portion 3a at its lower part, the upper part of which is connected rotatably to the seat body 10 about a third axis 103, the third axis 103 also being fitted with a torsion spring (not shown in the figures) to keep the third locking hook in the locked position. The third locking hook is provided with an abutting surface 3b used for being matched with the linkage rod 9, and the linkage rod 9 always abuts against the abutting surface 3b in the process that the unlocking piece 6 is converted from the locking position to the unlocking position.

Referring to the drawings, the operating member 5 is provided on the seat body 10 to be relatively slidable in up and down directions, and the unlocking device further includes a main traction cable 11 connected between the operating member 5 and the unlocking member 6, and a third elastic member 12 provided between the seat body 10 and the operating member 5 to provide a force required for sliding the operating member 5 so that the unlocking member 6 is held in the locking position. Here, the operating element 5 is provided on the upper rear side of the backrest portion 10b so as to slide relatively in the vertical direction, and the third elastic member 12 is a spring provided between the operating element 5 and the seat body 10. When the operating member 5 is held and the operating member 5 is driven to move upwards, the main traction cable 11 is driven to be tensioned, so that the unlocking member 6 rotates to move from the locking position to the unlocking position, and then unlocking is realized.

Referring to fig. 3, in the present embodiment, each of the first locking member 1, the second locking member 2, and the third locking member 3 has two sets respectively disposed at the left and right sides, the first locking members 1 at the two sides rotate together around a first shaft 101, the second locking members 2 at the two sides are respectively connected to the seat body 10 in a manner of rotating around a second shaft 102, and the axial lines of the two second shafts 102 are collinear or parallel; the third locking pieces 3 on both sides are respectively connected with the seat body 10 in a rotating way around a third shaft 103, and the axial lines of the two third shafts 103 are collinear or parallel. The unlocking member 6 also has two groups respectively arranged at the left and right sides, the first traction cable 7, the second traction cable 8 and the main traction cable 11 are respectively provided with two groups respectively arranged at the left and right sides, and only one operation member 5 is provided.

In summary, when the child car seat is used, when the child car seat needs to be mounted on an external device or removed from the external device, an operator can operate the operating element 5 on the upper portion of the rear side of the backrest portion 10b to drive the operating element 5 to move upward, the main traction cable 11 will drive the unlocking element 6 to rotate, so that the unlocking element 6 rotates from the locking position to the unlocking position, and during the rotation of the unlocking element 6, on one hand, the first traction cable 7 and the second traction cable 8 are tensioned, so that the first locking element 1 and the second locking element 2 are driven to rotate to unlock; in the process of rotating the unlocking piece 6, on the other hand, the linkage rod 9 is driven to swing, so that the linkage rod 9 pushes the third locking piece 3, and the third locking piece 3 is driven to rotate to unlock. When the operating member 5 is released, the unlocking member 6 is reset to the locking position, and the first locking member 1, the second locking member 2, and the third locking member 3 are reset accordingly. So, just make all locking pieces realize the unblock when the same unblock piece of operation 5, simplified children's car seat's structure like this, also simplified the unblock operation, user operation is more convenient, uses and experiences better.

Example two

Referring to fig. 6, 7, 10 and 11, the child car seat mainly differs from the first embodiment in that the unlocking member 6 is slidably disposed on the seat body 10, and the first locking member 1, the second locking member 2 and the third locking member 3 are also slidably disposed on the seat body 10.

Specifically, referring to FIGS. 10 and 11,

a spring 16 is arranged between the first locking piece 1 and the seat body 10, a spring 17 is arranged between the second locking piece 2 and the seat body 10, and a spring 18 is arranged between the third locking piece 3 and the seat body 10 for driving each locking piece to move towards a locking position, so that each locking piece is kept in a locking state when no external force is applied. A first traction cable 7 is arranged between the first locking piece 1 and the unlocking piece 6, a second traction cable 8 is arranged between the second locking piece 2 and the unlocking piece 6, a third traction cable 15 is also arranged between the third locking piece 3 and the unlocking piece 6, when the unlocking piece 6 is driven by the main traction cable 11 to slide relative to the seat body 10, the first traction cable 7, the second traction cable 8 and the third traction cable 15 are all tensioned, so that the first locking piece 1, the second locking piece 2 and the third locking piece 3 are all driven to slide relative to the seat body 10, and unlocking is realized.

Fig. 8 is an external device of a child car seat suitable for grafting installation according to the first and second embodiments of the present invention, specifically, a stroller frame is provided here, and the left and right sides of the stroller frame are both provided with a seat pocket interface seat 30, and the interface of the seat pocket interface seat 30 is provided with a lock pin 301 for cooperating with the third locking members 3 on both sides to fix the child car seat by hooking, thereby realizing the stable installation of the child car seat on the stroller frame. Fig. 9 is a schematic structural view of the child car seat according to the second embodiment mounted on the stroller frame.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A child car seat, includes the seat body, set up on the seat body and be used for with external device detachably connected's locking device, and be used for with the unlocking device of locking device unblock, its characterized in that: the locking device comprises a plurality of locking pieces, each locking piece is movably arranged on the seat body, the unlocking device comprises unlocking pieces movably arranged on the seat body, each locking piece is movably arranged between the locking pieces, each unlocking piece is provided with a switchable locking position and an unlocking position, all the locking pieces are linked in the process that the unlocking pieces move from the locking positions to the unlocking positions, the locking pieces move relative to the seat body respectively, the locking device is changed from the locking state to the unlocking state, and the unlocking device further comprises an operating piece used for driving the unlocking pieces to be changed between the locking positions and the unlocking positions.

2. The child car seat according to claim 1, wherein: the unlocking piece is rotationally arranged on the seat body around the rotating shaft, the locking pieces comprise a first locking piece movably arranged on the seat body, a second locking piece movably arranged on the seat body and a third locking piece movably arranged on the seat body, and in the process that the locking pieces move from the locking position to the unlocking position, the first locking piece, the second locking piece and the third locking piece are respectively linked to move relative to the seat body.

3. The child car seat according to claim 2, wherein: the seat comprises a seat body, a first locking piece, a second locking piece, a first traction rope, a second traction rope and a second traction rope, wherein the first locking piece is rotatably arranged on the seat body around a first shaft, the second locking piece is rotatably arranged on the seat body around a second shaft, the shaft axis of the first shaft, the shaft axis of the second shaft and the shaft axis of the rotating shaft are mutually parallel, the first locking piece and the unlocking piece are connected through the first traction rope, the second locking piece and the unlocking piece are connected through the second traction rope, and the first traction rope and the second traction rope are respectively tensioned to drive the first locking piece and the second locking piece to rotate in the process that the locking piece moves from the locking position to the unlocking position.

4. A child car seat according to claim 3, wherein: the first locking piece is a first locking hook which extends along the vertical direction, the lower part of the first locking hook is provided with a first locking hook part, and the upper part of the first locking hook is connected to the seat body in a rotating way around the first shaft; the second locking piece is a second locking hook which extends along the vertical direction and is provided with a second locking hook part at the lower part, the upper part of the second locking hook is connected to the seat body in a rotating way around the second shaft, and when the locking device is converted from an unlocking state to a locking state, the first locking hook part and the second locking hook part move oppositely; when the locking device is switched from the locking state to the unlocking state, the first locking hook part and the second locking hook part are relatively far away.

5. The child car seat according to claim 4, wherein: the first lock hook and the second lock hook are arranged at the bottom of the seat body in tandem, wherein the seat body is provided with a sitting portion and a backrest portion, the first lock hook is arranged below the sitting portion, and the second lock hook is arranged below the backrest portion.

6. The child car seat according to claim 2, wherein: the third locking piece sets up around third shaft rotation ground on the seat body, the third locking piece with be provided with the gangbar between the piece that unlocks, the gangbar is connected around fourth shaft rotation ground on the seat body, the axial lead of fourth shaft with the axial lead of rotation axis is parallel to each other, the piece that unlocks by the latched position to the in-process of unblock position motion, the gangbar winds order about during the rotation of fourth shaft the third locking piece is relative the seat body rotates.

7. The child car seat according to claim 6, wherein: one end of the linkage rod can rotate relatively and can follow self length direction relative slip ground with the unlocking piece is connected, another tip butt of linkage rod in on the third locking piece, wherein, the third locking piece is for extending along upper and lower direction and the third latch hook that the lower part has third latch hook portion, the upper portion of third latch hook is wound the third axle is connected with rotating ground on the seat body, have on the third latch hook be used for with the linkage rod complex support to the face, the unlocking piece by the latched position to the in-process of unblock position conversion, the linkage rod supports all the time and leans on the face.

8. The child car seat according to claim 1, wherein: each locking piece is respectively and rotatably arranged on the seat body, a first elastic piece used for driving the locking piece to rotate with required acting force so that the locking device is kept in a locking state is arranged between each locking piece and the seat body, and/or a second elastic piece used for providing required acting force for rotating the unlocking piece from the unlocking position to the locking position is arranged between the unlocking piece and the seat body.

9. The child car seat according to claim 1, wherein: the unlocking piece is arranged on the seat body in a sliding mode, the locking piece is arranged on the seat body in a sliding mode, a traction cable is arranged between the locking piece and the unlocking piece, and the traction cable is tensioned to enable the locking piece to slide to realize unlocking in the process that the locking piece slides from the locking position to the unlocking position.

10. A child car seat according to any one of claims 1 to 9, wherein: the operating part can be arranged on the seat body in a vertically relative sliding mode, the unlocking device further comprises a main traction cable connected between the operating part and the unlocking part, and a third elastic part arranged between the seat body and the operating part and used for providing acting force required by sliding of the operating part to enable the unlocking part to be kept at the locking position.

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