CN216636240U - Automobile safety seat for children - Google Patents

Abstract

The utility model discloses a child car safety seat with a forward use state and a reverse use state. The child car safety seat further comprises a limiting mechanism used for limiting the base and the seat body to move relatively in the height direction and/or the front-back direction, the limiting mechanism comprises a base limiting part arranged on the base and a mounting seat limiting part arranged on the seat body, the mounting seat limiting part is provided with two groups respectively arranged on the front side and the back side of the seat body, the child car safety seat is in a forward use state, one group of mounting seat limiting parts are connected with the base limiting part in a matched mode, the child car safety seat is in a reverse use state, and the other group of mounting seat limiting parts are connected with the base limiting part in a matched mode. According to the utility model, the limiting mechanism is arranged, so that the seat body can be stably connected with the base, the shaking is avoided, and the number of limiting pieces is reduced through the front-back symmetrical design.

Description

Automobile safety seat for children

Technical Field

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

Background

In order to adapt to the safety requirements of children of different ages, the existing automobile safety seats for many children can be rotationally adjusted, and the seat body can rotate 360 degrees relative to the base, so that the automobile safety seats for many children have a forward use state and a reverse use state. To further enhance the comfort of the safety seat, many seats of the seat body may be pitch adjusted. The child car safety seat with the design has more parts capable of moving relatively, and the stability and the safety of the seat are very important. The light is not enough depending on the rotary locking mechanism, and the seat body and the seat thereof can shake in all directions such as front and back, left and right, up and down and the like during the driving process of the automobile, thereby causing potential safety hazards. Therefore, it is very desirable to provide a limiting structure capable of limiting the seat body to shake, so that the stability and the safety of the child car safety seat are improved.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a child car safety seat with a stable structure.

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

a child car safety seat comprises a base and a seat body, wherein the seat body is rotatably arranged on the base around a rotation center line, the child car safety seat is provided with a forward use state that the orientation of the seat body is consistent with the car running direction and a reverse use state that the orientation of the seat body is opposite to the car running direction, the child car safety seat further comprises a limiting mechanism used for limiting the relative movement of the base and the seat body along the height direction and/or the front-back direction, the limiting mechanism comprises a base limiting part arranged on the base and a mounting seat limiting part arranged on the seat body, the mounting seat limiting part is provided with two groups respectively arranged at the front side and the back side of the seat body, the child car safety seat is in the forward use state, one group of the mounting seat limiting parts is connected with the base limiting part in a matching manner, when the child car safety seat is in a reverse use state, the other set of the mounting seat limiting part is connected with the base limiting part in a matched mode.

Preferably, the base limiting part extends inwards from the inner side wall of the base, the inner end part of the base limiting part is provided with a first hook part bending downwards, the mounting base limiting part extends outwards from the outer side wall of the seat body, the outer end part of the mounting base limiting part is provided with a second hook part bending upwards, and the first hook part and the second hook part can be connected in a sliding mode along the circumferential direction of the base in the process that the seat body rotates around the rotation center line.

Preferably, the seat body includes a mounting seat and a seat, the seat is disposed on the mounting seat, and the two sets of mounting seat stoppers are respectively disposed at front and rear end portions of the mounting seat.

Further preferably, the limiting mechanism further comprises a supporting limiting part arranged on the base and a seat limiting part arranged on the seat, and when the child car safety seat is in a forward use state, the supporting limiting part is connected with the seat limiting part in a matching manner; when the child car safety seat is in a reverse use state, the supporting limiting part is disengaged from the seat limiting part.

Still further preferably, the base has a first bracket, the mount pad has a second bracket, the seat has a third bracket, the base limiting part and the supporting limiting part are both fixed on the first bracket, the base limiting part is located below the supporting limiting part, the mount pad limiting part is fixed on the second bracket, and the seat limiting part is fixed on the third bracket.

Still further preferably, the first bracket, the second bracket and the third bracket are all hard frames made of metal materials.

Further preferably, the child car safety seat is in a forward use state, and the seat and the mounting seat are relatively fixed; the child car safety seat is in reverse use state, the seat can be set up on the mount pad with relative slip, the seat relative slip extending direction when the mount pad slides is the ascending pitch arc of opening.

Still further preferably, the child car seat is in a reverse use state, the seat has at least a first angular position and a second angular position on the mounting seat, the child car seat further comprises a blocking mechanism, the blocking mechanism comprises a base blocking piece arranged on the base, and a seat blocking piece arranged on a lower portion of the seat, and when the seat is in the first angular position, the base blocking piece is located below a path of rotation of the seat blocking piece around the rotation center line; the base blocker is positioned in a path of rotation of the seat blocker about the centerline of rotation when the seat is in the second angular position.

Still further preferably, the rotation center line extends obliquely from bottom to top toward the front side of the base, the seat includes a backrest portion, the child car safety seat is in a reverse use state, an included angle between the back surface of the backrest portion and the horizontal plane when the seat is in the first angle position is α, an included angle between the back surface of the backrest portion and the horizontal plane when the seat is in the second angle position is β, and α is smaller than β.

Preferably, the child car seat further comprises a locking mechanism for locking the child car seat in the forward use state or the reverse use state, the locking mechanism being disposed between the mount and the base.

Due to the application of the technical scheme, the child car safety seat provided by the utility model can be used for stably connecting the seat body and the base in forward and reverse use states by arranging the limiting mechanism with a simple structure, so that the rocking is avoided, and the number of limiting parts is reduced by the front-back symmetrical design; further, to the safety seat that can adjust the angle of pitch, under forward user state, seat and base fixed connection, can not slide, under reverse user state, the seat can carry out the angle of pitch and adjust, accords with actual need and security requirement.

Drawings

FIG. 1 is a schematic front view of a child car seat according to an embodiment of the present invention in a forward use position;

FIG. 2 is an exploded perspective view of the child car seat according to this embodiment;

FIG. 3 is a schematic perspective view of the base in the present embodiment;

FIG. 4 is an exploded perspective view of the seat body in this embodiment;

FIG. 5 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 6 is a schematic cross-sectional view of the child car seat of this embodiment shown in a reversed use state;

FIG. 7 is a schematic view of the internal structure of the base of this embodiment after a portion of the structure is hidden;

FIG. 8 is a schematic view of the internal structure of the seat body of the present embodiment with a portion of the structure hidden;

FIG. 9-1 is a perspective view of the first bracket of this embodiment;

FIG. 9-2 is a perspective view of a second bracket according to the present embodiment;

FIGS. 9-3 are perspective views of a third bracket according to this embodiment;

FIG. 10 is a perspective view of the frame structure in the forward use state of the present embodiment;

fig. 11 is a perspective view of a frame structure in a reverse use state in the present embodiment;

fig. 12 is a schematic front view of the base and the unlocking mechanism in the present embodiment;

FIG. 13 is a schematic cross-sectional view B-B of FIG. 12;

FIG. 14 is a perspective view of the mounting block and the cable in this embodiment;

FIG. 15 is a schematic cross-sectional view of the mount and the pull cable of this embodiment;

FIG. 16 is a partial perspective view of the guide rail and locking member of the present embodiment;

FIG. 17 is a schematic top view of the base and the mounting base of the present embodiment;

FIG. 18 is a perspective view of the base of this embodiment with portions of the base hidden;

FIG. 19 is a perspective view of the base of this embodiment shown at another angle after the base has been partially hidden;

FIG. 20 is a perspective view of the indicating apparatus of this embodiment;

FIG. 21 is an enlarged view at C of FIG. 20;

FIG. 22 is a partial schematic structural view of the pointing device of this embodiment;

FIG. 23 is a partial schematic view showing the construction of the indicating apparatus of this embodiment, wherein the locking mechanism is in a locked condition;

FIG. 24 is a partial schematic view of the indicating device of this embodiment with the locking mechanism in an unlocked position;

FIG. 25 is a schematic cross-sectional view of the child car seat of this embodiment shown in a forward position;

FIG. 26 is a schematic cross-sectional view of the child car safety seat of this embodiment in a reverse use configuration, wherein the seat is in a first angular position;

FIG. 27 is a schematic cross-sectional view of the child car safety seat of this embodiment in a reverse use position, wherein the seat is at a second angular position;

FIG. 28 is a perspective view of the angle locking mechanism of the present embodiment in a locked state;

FIG. 29 is a perspective view of the angle locking mechanism of the present embodiment in an unlocked state;

FIG. 30 is an exploded view of the positioning member and unlocking member of the present embodiment;

FIG. 31 is a schematic perspective view of the seat body of the present embodiment;

FIG. 32 is a schematic perspective view of the seat body in this embodiment from a top view;

FIG. 33 is an exploded view of the stopper in this embodiment;

FIG. 34 is a side elevational view of the seat body in this embodiment;

FIG. 35 is a schematic cross-sectional view D-D of FIG. 34;

FIG. 36 is an enlarged view at G of FIG. 35;

FIG. 37 is a top view of the base and seat blocker of the present embodiment with the first seat blocker abutting the first base blocker;

FIG. 38 is a top view of the base and seat blocker of the present embodiment with the second seat blocker abutting the second base blocker;

FIG. 39 is a schematic side view of the seat body of this embodiment during rotation with the seat in a second angular position;

FIG. 40 is a schematic cross-sectional view E-E of FIG. 39;

FIG. 41 is a schematic side view of the seat body of this embodiment during rotation with the seat in a first angular position;

FIG. 42 is a schematic cross-sectional view F-F of FIG. 41;

wherein: 1000. a base; 1100. a rotation support portion; 1101. a guide rail; 1200. a rear supporting part; 1300. a first bracket; 1301. a central shaft;

2000. a seat body; 2100. a mounting seat; 2110. a second bracket; 2200. a seat; 2201. a backrest part; 2210. a third support;

11. a locking member; 111. a first locking member; 112. a second locking member; 121. a first mating member; 122. a second mating member; 13. locking the elastic member; 131. a first locking spring; 132. a second locking spring;

21. an operating member; 210. a handle base; 22. A traction cable; 221. a first traction cable; 222. a second traction cable;

31. a limiting bulge; 32. a limiting groove; 321. a central slot; 322. an extension groove;

41. an indicator; 411. a first portion; 412. a second portion; 42. displaying a window; 43. an indicating elastic member; 44. an abutting member; 44a, a pushing part; 44b, a pulling part; 45. pulling the cable; 45a, a first end; 45b, a second end; 451. a pull cable guide;

51. a positioning member; 511. positioning pins; 512. a bolt; 52. positioning holes; 53. positioning the elastic member; 54. unlocking the lock; 541. unlocking the chute; 55. a guide groove; 56. a guide member; 57. an adjustment member; 571. a connecting member;

61. a base stop; 611. a first base stop; 612. a second base stop; 62. a seat blocker; 621. a first seat blocker; 621a, a first blocking surface; 622. a second seat blocker; 622a, a second blocking surface; 631. a first shaft; 632. a second shaft; 651. a first torsion spring; 652. a second torsion spring; 661. a first fixed seat; 662. a second fixed seat;

71. a base limit piece; 71a, a first hook portion; 72. a mount stop; 72a, a second hook portion; 73. supporting a limiting part; 74. a seat limit member;

x, a rotation center line; y, a first rotating axis; z and a second rotating axis; q, the shaft axis of the first shaft; r, the axis of the second shaft.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the utility model may be more readily understood by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", "left-right", "height", "front-back" and the like indicate the orientation or positional relationship as viewed by a child when the child car seat is in a forward use state and the child is normally seated on the child car seat, based on fig. 1.

Referring to fig. 1 to 6, a child car safety seat includes a base 1000 and a seat body 2000, the seat body 2000 is rotatably disposed on the base 1000 around a rotation center line X, and the rotation center line X extends from bottom to top and slantly toward a front side of the base 1000. When the child car seat is used, the base 1000 is relatively and fixedly connected to the car seat, and the seat body 2000 can rotate 360 degrees relative to the base 1000, so that the child car seat has a forward use state (as shown in fig. 5) and a reverse use state (as shown in fig. 6): in the forward use state, the orientation of the seat body 2000 is the same as the driving direction of the automobile, and the seat is suitable for older children; in the reverse use state, the seat body 2000 is oriented in the direction opposite to the traveling direction of the vehicle, and is suitable for younger infants.

Further, the seat body 2000 includes a mounting base 2100 and a seat 2200, wherein the mounting base 2100 is rotatably connected to the base 1000 through a central shaft 1301, and a shaft axis of the central shaft 1301 is a rotation center line X. The seat 2200 is slidably provided on the mount 2100, and a sliding extending direction of the seat 2200 when sliding with respect to the mount 2100 is an arc with an upward opening. In this way, the seat 2200 has a plurality of operating positions on the mount 2100, and an angle locking mechanism for locking the seat 2200 in the plurality of operating positions is provided between the seat 2200 and the mount 2100, that is, the seat 2200 can adjust the pitch angle to adjust the child to a more comfortable riding posture.

In order to fulfill many functions of the child car seat, in the present embodiment, the child car seat includes a locking mechanism for locking itself in a forward use state or a reverse use state, and an unlocking mechanism for unlocking the locking mechanism, wherein the locking mechanism is disposed between the base 1000 and the mounting seat 2100. In order to improve stability, the child car seat further includes a limiting mechanism for limiting the relative movement between the base 1000 and the seat body 2000 in the height direction and the front-back direction, and the seat 2200 in this embodiment can adjust the pitch angle only in the reverse use state, so the limiting mechanism further has a function of limiting the relative sliding between the seat 2200 and the mounting seat 2100 in the forward use state, so that the connection between the seat body 2000 and the base 1000 is more stable and is less prone to shake. Further, in order to enable the limiting mechanism to function better in the forward use position, the child car seat comprises a blocking mechanism that ensures that the seat 2200 is always in a specific pitch angle position in the forward use position.

In this embodiment, the base 1000 specifically includes a rotation supporting portion 1100 having a hemispherical recess, and a rear supporting portion 1200 fixedly disposed at the rear portion of the rotation supporting portion 1100. The seat 2200 has a backrest 2201. The mount 2100 is actually embedded in the bottom of the seat 2200, the lower surface of the mount 2100 and the lower surface of the seat 2200 are located in the same curved surface, i.e., a first virtual surface, which is a spherical surface, and the sliding extending direction of the seat 2200 with respect to the mount 2100 is an arc on the first virtual surface, so that when the seat 2200 slides with respect to the mount 2100, the lower surface of the seat body 2000 is always located in the first virtual surface. Accordingly, the inner surface of the rotation support portion 1100 is located in a second virtual plane, which is also a spherical surface, and the radius of the second virtual plane is slightly larger than that of the first virtual plane, so that the lower portion of the seat body 2000 can be relatively slidably embedded in the rotation support portion 1100, and the inner wall of the rotation support portion 1100 can provide a large-scale, uniform and stable enclosure and support for the seat body 2000, no matter in a stationary state, during the sliding of the seat 2200 with respect to the mounting seat 2100, or during the rotation of the seat body 2000 as a whole around the rotation center line X. When the child car seat is in the forward use state, the backrest 2201 of the seat 2200 abuts against the rear support 1200, and further supports the seat 2200.

Referring to fig. 7 to 11, in order to improve the strength of each component of the child car seat, the base 1000, the mounting seat 2100, and the seat 2200 are each provided with a rigid frame structure, and the frame structure is made of a metal material. Specifically, the base 1000 has a first bracket 1300, the mounting 2100 has a second bracket 2110, the seat 2200 has a third bracket 2210, and the first bracket 1300, the second bracket 2110, and the third bracket 2210 cooperatively couple to each other to provide a rigid structural support for the child car seat.

The specific structures of the locking mechanism and the unlocking mechanism in this embodiment are first described below:

the locking mechanism includes a locking member 11 and a mating member, the locking member 11 includes a first locking member 111 and a second locking member 112 slidably disposed on the mounting base 2100, respectively, and the mating member includes a first mating member 121 and a second mating member 122 fixedly disposed on the base 1000. Referring to fig. 2 and 3, in the present embodiment, the first engaging element 121 and the second engaging element 122 are locking grooves respectively formed on the inner walls of the front and rear sides of the rotation supporting portion 1100, wherein the first engaging element 121 is located at the rear side and the second engaging element 122 is located at the front side, so as to form two locking positions on the base 1000.

Referring to fig. 14 and 15, in the forward use state of the locking tongue, the first locking element 111 is located at the front end of the mounting base 2100, the second locking element 112 is located at the rear end of the mounting base 2100, and the sliding directions of the first locking element 111 and the second locking element 112 are located on the same straight line and perpendicular to the extending direction of the rotation center line X.

Referring to fig. 5 and 6, in the forward use state, the first locking member 111 is inserted into the first mating member 121, and the second locking member 112 is inserted into the second mating member 122; in the reverse use state, the first locking piece 111 is inserted in the second fitting member 122, and the second locking piece 112 is inserted in the first fitting member 121.

Further, as shown in fig. 16 and 17, a guide rail 1101 is disposed on an inner side wall of the rotation support 1100, a projection of the guide rail 1101 in a virtual plane perpendicular to the rotation center line X is a circular ring, and the projection of the rotation center line X in the virtual plane is a circle center of the circular ring. The lower surfaces of the first locking member 111 and the second locking member 112 have inclined surfaces gradually inclined downward from outside to inside, the first locking member 111 and the second locking member 112 are slidably disposed on the guide rail 1101, and the inclined surfaces thereof abut against the guide rail 1101 to provide sliding guidance for the seat body 2000 to rotate around the rotation center line X. The first fitting 121 and the second fitting 122 are respectively provided on the front and rear sides of the rail 1101.

The locking mechanism further comprises a locking elastic member 13 for providing a force required for the locking member 11 to move towards the mating member, and herein, a spring is used, and the locking elastic member 13 comprises a first locking elastic member 131 and a second locking elastic member 132, which are respectively engaged with the first locking member 111 and the second locking member 112 for driving the first locking member 111 and the second locking member 112 to move in opposite directions. When the seat body 2000 rotates in place, the two sets of lock tongues correspond to the two sets of lock grooves respectively, so that the two sets of lock tongues fall into the corresponding lock grooves simultaneously under the action of the locking elastic element 13.

Referring to fig. 2, 12 and 13, in the present embodiment, the unlocking mechanism includes two sets of operating members 21, the two sets of operating members 21 are respectively disposed on two different sides of the seat body 2000 in the width direction, and the locking mechanism can be unlocked at two locking positions by operating any one set of operating members 21 independently. So set up to make the unblock operation very convenient, the head of a family that is located arbitrary side of children's car safety seat need not bow or turn round just can the one hand with seat body 2000 unblock.

Specifically, the handle holder 210 is fixedly mounted on the top of each of the two sides of the seat 2200, the operating members 21 are slidably disposed on the handle holder 210 in the up-down direction, two pulling cables 22, namely a first pulling cable 221 and a second pulling cable 222, are connected to the lower portion of each set of operating members 21, one end of the first pulling cable 221 is connected to the first locking member 111, and one end of the second pulling cable 222 is connected to the second locking member 112. When the operating piece 21 on either side is pulled to slide upwards, the first locking piece 111 and the second locking piece 112 can be pulled to move towards each other through the first traction cable 221 and the second traction cable 222, and the two lock tongues simultaneously push out of the lock grooves, so that unlocking is realized. After the child car safety seat is unlocked, the seat body 2000 can rotate around the rotation center line X, the operating piece 21 can be loosened, after the seat body 2000 rotates 180 degrees, the two groups of lock tongues are simultaneously inserted into the lock grooves under the action force of the locking elastic piece 13, and the child car safety seat is locked in another using state.

Referring to fig. 2, 3 and 17, in the embodiment, the seat body 2000 is detachably disposed on the base 1000, a quick release structure is disposed between the seat body 2000 and the base 1000, the quick release structure includes a first quick release structure disposed on the base 1000 and a second quick release structure disposed on the seat body 2000, and when the first quick release structure and the second quick release structure are cooperatively connected, the seat body 2000 can rotate around the rotation center line X relative to the base 1000; when the seat body 2000 rotates to a specific angle, the seat body can be conveniently detached from the base 1000, so that the use flexibility of the child car seat is improved.

Specifically, the central shaft 1301 is fixed on the first bracket 1300, the first quick release structure is a limiting protrusion 31 fixed on the central shaft 1301, the limiting protrusion 31 extends outward from the central shaft 1301 in a direction perpendicular to the rotation center line X, and the limiting protrusion 31 has two sets symmetrically arranged with respect to the rotation center line X. The second quick release structure is a limiting groove 32 formed in the middle of the second bracket 2110, the limiting groove 32 includes a central groove 321 for the central shaft 1301 to be inserted in a matching manner, and an extending groove 322 for the limiting protrusion 31 to be inserted in a matching manner, and the central groove 321 is communicated with the extending groove 322. When the position-limiting groove 32 and the position-limiting protrusion 31 are aligned, the seat body 2000 can be placed on the base 1000 along the extending direction of the rotation center line X, or detached from the base 1000. When the child car seat is in a forward use state or a reverse use state, the extending direction of the extending groove 322 and the extending direction of the limiting protrusion 31 deviate, and at the moment, the seat body 2000 is connected with the base 1000 and cannot be detached.

In this embodiment, the limiting protrusion 31 extends along the left and right direction of the base 1000, and the extending groove 322 extends obliquely along the front and rear direction of the second bracket 2110. If the child car safety seat is in a forward use state, the seat body 2000 is unlocked and then rotates clockwise 45 degrees or anticlockwise 135 degrees around the rotation center line X, so that the limiting groove 32 and the limiting protrusion 31 can be arranged in an aligned mode, and detachment is achieved; similarly, if the child car safety seat is in a reverse use state, the seat body 2000 rotates clockwise 45 degrees or counterclockwise 135 degrees around the rotation center line X, so that the limiting groove 32 and the limiting protrusion 31 can be aligned and arranged, and detachment is achieved.

The following explains a specific structure of the indicating device in the present embodiment:

referring to fig. 18 to 24, in order to visually indicate the locking and unlocking states of the locking mechanism and prevent parents from unknowing that the locking mechanism is not locked and causing a safety hazard, the child car safety seat further comprises an indicating device.

Indicating device is including setting up two sets of indicating mechanism of different both sides in the width direction of base 1000 branch for the head of a family who is located any side can both see indicating mechanism's state clearly, and the state that two sets of indicating mechanism instructed is the same, has the reliability.

Specifically, the display windows 42 are respectively opened on the left and right sides of the base 1000, and the display windows 42 may be simple openings or openings with transparent materials. Each group of indicating mechanisms comprises an indicating piece 41 movably arranged on the base 1000, the indicating piece 41 is positioned behind the display window 42, the indicating piece 41 is provided with an indicating surface facing the display window 42, and the area of the display window 42 is smaller than the projection area of the indicating surface, so that the indicating surface can only partially expose out of the display window 42 for external observation.

In this embodiment, the indicator 41 is rotatably disposed on the base 1000 about a first rotation axis Y extending in the front-rear direction of the base 1000, and the indicating surface is an arc surface having the first rotation axis Y as an axis, so that the indicator 41 does not hit the display window 42 and the side wall of the base 1000 when rotating up and down. The indicator 41 has a first portion 411 and a second portion 412 that meet in an up-down direction, wherein the first portion 411 is located below the second portion 412. The indication surfaces of the first portion 411 and the second portion 412 are respectively divided into a first indication surface positioned below and a second indication surface positioned above, and in order to realize an intuitive indication function, the first indication surface and the second indication surface are printed with different patterns, colors, characters and the like for distinguishing. In this embodiment, the first indicating surface is green (labeled "a" in the drawing), and the second indicating surface is red (labeled "B" in the drawing).

Thus, the indicator 41 has a first position and a second position which are switchable during the rotation about the first rotation axis Y: when the locking mechanism is in the locked state, the indicator 41 is located at the first position, the first portion 411 is exposed out of the display window 42, the second portion 412 is shielded, and the external environment observes green; when the lock mechanism is in the unlocked state, the indicator 41 is located at the second position, the second portion 412 is exposed from the display window 42, the first portion 411 is shielded, and the exterior is observed in red.

It should be noted that the locking mechanism may be in the locked state only when the child car seat is in the forward use state or the reverse use state; when the seat body 2000 is rotated or the seat body 2000 is entirely removed from the base 1000, the indicator 41 is in the second position and the indication mechanism is red.

Further, the indicating mechanism further comprises an indicating elastic member 43 for providing the force required for moving the indicating member 41 from the first position to the second position, wherein the indicating elastic member 43 is a tension spring, one end of the tension spring is connected to the indicating member 41, and the other end of the tension spring is connected to the base 1000. When no other external force is applied to the indicator 41, the indicator 41 is held in the second position by the force of the indicating elastic member 43.

The indicating device further comprises a linkage for urging the indicator 41 from the second position to the first position when the locking member 11 is moved towards the mating member. The linkage mechanism specifically includes an abutting piece 44 and a pulling piece, wherein the abutting piece 44 is rotatably disposed on the base 1000 around a second rotation axis Z, the second rotation axis Z extends along the up-down direction of the base 1000, the abutting piece 44 has a pushing portion 44a and a pulling portion 44b, and the pushing portion 44a and the pulling portion 44b are disposed on two different sides of the second rotation axis Z. The traction member is specifically a traction cable 45, the traction cable 45 has a first end 45a and a second end 45b along the length direction thereof, the first end 45a is connected with the traction portion 44b, and the second end 45b is connected with the indicator 41. The pulling cable 45 and the indicating elastic member 43 are respectively connected to the indicating member 41 at two different sides of the first rotation axis Y, and the indicating elastic member 43 is connected to the lower part of the outer side of the first rotation axis Y for driving the first part 411 and the second part 412 to rotate downward; the second end 45b is connected to the inner side of the first rotation axis Y for driving the first part 411 and the second part 412 to rotate upward.

In order to realize the cooperation between the indicating device and the locking mechanism, in this embodiment, the pushing portion 44a of the abutting member 44 is located in the lock slot, when the lock tongue is inserted into the lock slot, the lock tongue will push the pushing portion 44a to rotate towards the inside of the lock slot, so as to drive the whole abutting member 44 to rotate around the second rotation axis Z, the pulling portion 44b correspondingly rotates towards the direction far away from the indicating member 41, so as to drive the pulling cable 45 to move, so that the second end portion 45b pulls the indicating member 41 downwards to rotate around the first rotation axis Y, and the indicating member 41 is switched from the second position to the first position.

Further, as shown in fig. 20, it can be seen from the foregoing that the locking mechanism in the present embodiment includes the first engaging element 121 and the second engaging element 122 respectively disposed at the front and rear sides of the base 1000, and the indicating mechanism has two sets respectively disposed at the left and right sides of the base 1000, so that in order to ensure the reliability of the indicating device, a set of the above-mentioned linkage mechanisms is disposed between each set of engaging elements and each set of the indicating element 41. That is to say, four sets of traction cables 45 are arranged along the circumferential direction of the base 1000, a set of abutting pieces 44 is connected to the first end 45a of each set of traction cable 45, two sets of abutting pieces 44 are respectively arranged in the first mating piece 121 and the second mating piece 122, and the pushing portions 44a of two adjacent sets of abutting pieces 44 are tightly attached, so that when the lock tongue is inserted into the lock slot, the two pushing portions 44a can be pushed to rotate at the same time.

It should be noted that, for reasons of rational layout, the abutment 44 associated with a certain group of indicators 41 is located on the side relatively far from the indicator 41. Specifically, the indicator 41 on the right side is connected to the abutment 44 on the left side, and the indicator 41 on the left side is connected to the abutment 44 on the right side. The pulling portion 44b of the abutting piece 44 is located outside the pushing portion 44a in both the left-right direction and the front-rear direction of the base 1000, so that when the pushing portion 44a moves toward the inside of the lock groove, the pulling portion 44b moves toward a direction away from the indicator 41.

In addition, still set firmly a plurality of tractive line guides 451 along the circumference of base 1000, every group tractive line 45 passes one or more tractive line guides 451 along self length direction in proper order, realizes the slip direction.

As can be seen from the above, when the locking mechanism is in the locked state, each set of lock tongues is correspondingly inserted into one set of lock grooves, and each set of lock tongues abuts against the pushing portions 44a of the two sets of abutting pieces 44 at the same time, so that the two sets of indicating pieces 41 are both in the first position, and the indicating mechanism displays green; when the locking mechanism is unlocked, the two groups of lock tongues both exit the lock groove, the two groups of indicating pieces 41 are switched to the second position under the action of the indicating elastic pieces 43, and the indicating mechanism is displayed in red.

The specific structure of the angle locking mechanism in this embodiment is explained next:

referring to fig. 25 to 27, in the present embodiment, when the child car safety seat is in the forward use state, the seat 2200 and the mounting seat 2100 are relatively fixed and cannot slide relative to each other, the angle between the back surface of the backrest 2201 and the horizontal plane is about 70 degrees, and the child is in a relatively upright sitting posture, so that the safety is ensured; when the child car seat is in a reverse use state, the seat 2200 has four working positions on the mounting seat 2100 corresponding to four different angular positions, and the included angles between the back surface of the backrest 2201 and the horizontal plane at the four angular positions are about 27 degrees, 31 degrees, 35 degrees and 39 degrees, respectively, where the included angle is 27 degrees and is called a first angular position, and the included angle is 39 degrees and is called a second angular position. The four angular positions correspond to a state in which the seat 2200 is gradually adjusted from the lying position to the sitting position, providing a variety of options for the child.

Since the pivot axis X extends obliquely from bottom to top toward the front side of the base 1000, the seat 2200 is located at the first angular position when the seat 2200 in the normal use state is rotated about the pivot axis X into the reverse use state. Similarly, if the seat 2200 is at an angle other than the first angle in the reverse use state, the seat body cannot rotate around the rotation center line X directly to be in the forward use state, and the specific principle thereof will be described later.

Referring to fig. 28 to 30, in the present embodiment, the angle locking mechanism includes a positioning member 51 and a matching structure. The positioning member 51 is slidably disposed on the seat 2200 along the width direction of the seat 2200, and two positioning pins 511 are fixedly disposed on the positioning member 51, and the two positioning pins 511 are spaced apart from each other along the sliding direction of the seat 2200. The fitting structure is a positioning hole 52 formed in the mounting base 2100, the positioning hole 52 has a plurality of positioning holes spaced apart in the sliding direction of the seat 2200, and each positioning hole 52 is adapted to fit and insert one positioning pin 511.

Specifically, in order to improve the stability and the robustness of the angle locking mechanism, a plurality of positioning holes 52 are symmetrically formed on both left and right side walls of the mounting base 2100, and accordingly, the positioning members 51 are provided in two sets respectively disposed on both left and right sides of the mounting base 2100. Further, since two positioning pins 511 are fixedly provided on each positioning member 51, the positioning holes 52 on each side are divided into two groups corresponding to the two positioning pins 511, and the two groups of positioning holes 52 on each side are spaced apart in the sliding direction of the seat 2200. Specifically, each positioning pin 511 has four positioning holes 52 corresponding to the four operating positions of the seat 2200. When the angle locking mechanism is in a locked state, the four positioning pins 511 are respectively inserted into one corresponding positioning hole 52; when the angle locking mechanism is in the unlocked state, all the positioning pins 511 are disengaged from the positioning holes 52, and the seat 2200 can slide relative to the mounting seat 2100.

The angle locking mechanism further includes an unlocking member 54 for urging the positioning pin 511 out of the positioning hole 52, and the unlocking member 54 also has two sets which are engaged with the two sets of positioning members 51, and each set of the unlocking member 54 is slidably provided on the seat 2200 in a direction perpendicular to the sliding direction of the positioning pin 511. The unlocking member 54 is provided with an unlocking chute 541, the unlocking chute 541 gradually inclines and extends from outside to inside toward the rear of the seat 2200, the positioning member 51 is fixedly provided with a bolt 512, and the bolt 512 can be relatively slidably inserted into the unlocking chute 541. In addition, the front portion of each unlocking member 54 is provided with a positioning elastic member 53, which is embodied by a tension spring, and the positioning elastic member 53 is used for providing a force required for the unlocking member 54 to move toward the front of the seat 2200, so that the latch 512 is relatively located at the rear end of the unlocking chute 541, and the positioning pin 511 is inwardly extended and inserted into one of the positioning holes 52 without any other external force.

Further, the angle locking mechanism further includes an adjusting member 57 for unlocking operation, the adjusting member 57 is slidably provided on the upper portion of the backrest portion 2201, and the adjusting member 57 is partially located outside the seat 2200, and is provided for the user to lift and operate. Each set of unlocking members 54 is connected to the adjusting member 57 through an elongated connecting member 571, so that when the adjusting member 57 is pulled upward and rearward, the two sets of unlocking members 54 move toward the rear of the seat 2200 against the force of the positioning elastic member 53, the latch 512 slides forward along the unlocking inclined slots 541, so that the two sets of positioning members 51 move away from each other, and all the positioning pins 511 are simultaneously pulled out of the positioning holes 52, thereby unlocking the seat.

After the angle locking mechanism is unlocked, the seat 2200 is driven to slide along the mounting base 2100 to a required working position, and then the adjusting member 57 is released, the unlocking member 54 slides forward under the action of the positioning elastic member 53, and the positioning pin 511 is correspondingly inserted into the other positioning hole 52, so that the angle locking is realized.

Further, as shown in fig. 11, the angle locking mechanism further includes a guide structure for providing sliding guide of the seat 2200, the guide structure including a guide groove 55 opened on the second bracket 2110, a guide piece 56 provided on the third bracket 2210, the guide groove 55 extending in the sliding direction of the seat 2200, the guide piece 56 being inserted in the guide groove 55 in a sliding fit. Specifically, the guide 56 is a cross bar extending in the left-right direction of the third frame 2210, and has two guide grooves 55 spaced apart in the front-rear direction of the third frame 2210, the guide grooves 55 are waist-shaped grooves symmetrically opened on both left and right side walls of the second frame 2110, and each guide 56 is simultaneously inserted through the two guide grooves 55.

Next, a specific structure of the limiting mechanism in this embodiment is explained:

referring to fig. 7 to 11, the limiting mechanism includes a base limiting member 71 and a support limiting member 73 fixed on the first bracket 1300, a mount limiting member 72 fixed on the second bracket 2110, and a seat limiting member 74 fixed on the third bracket 2210, wherein the base limiting member 71 is located below the support limiting member 73, and the support limiting member 73 is located at the upper portion of the rear support portion 1200; the mount stopper 72 includes two sets provided at front and rear ends of the second bracket 2110.

The base limiting member 71, the mount limiting member 72, the support limiting member 73, and the seat limiting member 74 are all locking hooks that can be hooked to each other. The base limiting piece 71 extends inwards from the inner side wall of the base 1000, and the inner end part of the base limiting piece 71 is provided with a first hook part 71a which bends downwards; the mount stopper 72 extends outward from both front and rear ends of the second bracket 2110, and an outer end of the mount stopper 72 has a second hook portion 72a bent upward. Thus, in the process that the seat body 2000 rotates around the rotation center line X, the second hook portion 72a can be directly slidably hooked with the first hook portion 71a along the circumferential direction of the seat 1000, and no other operation is required, and when the child car safety seat is in the forward use state or the reverse use state, the installation seat limiting member 72 and the seat limiting member 71 are naturally connected in a matching manner.

Similarly, the support stopper 73 also has a hook portion that is bent inward and downward, and the seat stopper 74 has a hook portion that is bent outward and upward, and the two can be connected in a fitting manner in the normal use state.

Referring to fig. 10, in the forward use state, the mount stop 72 located at the rear of the mount 2100 is connected to the base stop 71 in a matching manner, and the seat stop 74 is connected to the support stop 73 in a matching manner, so that the seat 2200 and the mount 2100 cannot slide relatively. Referring to fig. 11, in the reverse use state, the mount stopper 72 located at the front of the mount 2100 is engaged with the base stopper 71, and the seat stopper 74 is disengaged from the support stopper 73, so that the pitch angle of the seat 2200 can be adjusted by operating the angle locking mechanism.

The specific structure of the blocking mechanism in this embodiment is explained next:

as can be seen from the foregoing, in the forward use state, the seat 2200 has only one angular position, and if the seat 2200 in the non-first angular position is directly rotated from the reverse use state to the forward use state, the positions of the seat limiting member 74 and the support limiting member 73 do not correspond to each other and cannot be connected in a matching manner, and at this time, the stability of the seat 2200 is not sufficiently ensured only by the limit connection between the mount limiting member 72 and the base limiting member 71, and when an emergency such as sudden braking occurs, a child may rush out forward along with the seat 2200, which has a great potential safety hazard.

Referring to fig. 3 and 4, in order to solve the above problem, the child car seat of the present embodiment further includes a blocking mechanism, which includes a base blocking member 61 disposed on the base 1000, and a seat blocking member 62 disposed at a lower portion of the seat 2200. The base stopper 61 protrudes upward from the second virtual surface, and the seat stopper 62 protrudes downward from the first virtual surface, so that when they are in contact with each other, the seat body 2000 is prevented from rotating.

Referring to fig. 41 and 42, in the reverse use state and when the seat 2200 is at the first angular position, the base block 61 is located below the path of the seat block 62 rotating around the rotation center line X, and the seat body 2000 can rotate to the forward use state without hindrance. Referring to fig. 39 and 40, in the reverse use state and when the seat 2200 is at the second angular position, the base stopper 61 is located on the path of the seat stopper 62 rotating around the rotation center line X, and at this time, the seat body 2000 is stopped by the base stopper 61 during the rotation process, and cannot be directly converted into the forward use state.

It should be noted that, in the present embodiment, in addition to the second angular position, the seat 2200 has two angular positions of 31 degrees and 35 degrees in the reverse use state, and the base blocking member 61 also blocks the seat blocking member 62 in the two angular positions. That is, the blocking mechanism only allows the seat 2200 in the first angular position to transition to the forward use condition.

As shown in fig. 31 to 38, since the seat body 2000 can rotate in both the clockwise and counterclockwise directions, the base block 61 and the seat block 62 each have two sets disposed in bilateral symmetry. Specifically, in the reverse use state, the base blocking member 61 has a first base blocking member 611 fixed on the left side of the base 1000 and a second base blocking member 612 fixed on the right side of the base 1000; the seat stopper 62 has a first seat stopper 621 provided on the left side of the seat 2200, and a second seat stopper 622 provided on the right side of the seat 2200, and the first base stopper 611, the first seat stopper 621, the second seat stopper 622, and the second base stopper 612 are provided in this order at intervals in the circumferential direction of the base 1000, and the two sets of base stoppers 61 are positioned in front of the two sets of seat stoppers 62, and the first base stopper 621 has a first stopper surface 621a facing the first base stopper 611, and the second base stopper 622 has a second stopper surface 622a facing the second base stopper 612.

Thus, when the child car seat is in a reverse use state, the seat body 2000 has a first direction and a second direction opposite to each other when rotating around the rotation center line X, the first direction is specifically a clockwise direction, and the second direction is a counterclockwise direction. Referring to fig. 37 and 38, in the reverse use state and with the seat 2200 in the second angular position, the first base block 611 is located on the rotation path of the first seat block 621 when the seat body 2000 is rotated clockwise; when the seat body 2000 is rotated counterclockwise, the second base blocker 612 is positioned on a rotation path of the second seat blocker 622.

Further, as shown in fig. 32 to 36, in order to achieve effective blocking, a first fixing seat 661 is fixed to the seat 2200, the first seat blocking member 621 is rotatably connected to the first fixing seat 661 by a first shaft 631, and a shaft axis Q of the first shaft extends forward from bottom to top in a height direction of the seat 2200. The first seat stopper 621 has a triangular cross section along the axis Q perpendicular to the first axis, and the first stopper surface 621a is a flat surface, and in a radial direction perpendicular to the rotation center line X, the first stopper surface 621a extends obliquely toward the first base stopper 611 from the inside to the outside in the radial direction in the reverse use state. The blocking mechanism further comprises a first blocking elastic member, here embodied as a first torsion spring 651, for providing the force required for the movement of the first seat blocking member 621 towards the first base blocking member 611, the first torsion spring 651 being wound around a first shaft 631, one end of the first torsion spring 651 abutting against the first seat blocking member 621 and the other end abutting against the first fixed seat 661.

Thus, when the seat 2200 is at the second angular position in the reverse use state and the seat body 2000 rotates clockwise, the lower end of the first blocking surface 621a first contacts the first base blocking member 611, the seat body 2000 continues to rotate clockwise, the first base blocking member 611 pushes the first base blocking member 621 to rotate around the axis Q of the first shaft, the contact area between the first blocking surface 621a and the first base blocking member 611 is gradually increased in the process, the blocking effect of the first base blocking member 611 on the first seat blocking member 621 is further enhanced until the first seat blocking member 621 abuts against the other side wall of the first fixing seat 661, at this time, the first seat blocking member 621 cannot rotate continuously, and the first base blocking member 611 forms a stable blocking effect on the first seat blocking member 621.

Similarly, the second seat stopper 622 is rotatably connected to the second fixing base 662 by a second shaft 632, the axis R of which extends obliquely forward in the up-down direction, and the second shaft 632 is provided with a second torsion spring 652. The second seat blocker 622 operates on a similar principle to the first seat blocker 621 when the seat body 2000 rotates counterclockwise, and thus, a detailed description thereof is omitted.

In conclusion, the child car safety seat has the forward using state and the reverse using state, the pitch angle can be adjusted in the reverse using state, the practicability is high, and the adjusting operation is convenient and fast; the base 1000 is also provided with an indicating device capable of indicating the locking state of the locking mechanism, so that the safety is high; through setting up stop gear and stop gear, further improved children's car safety seat's stability and security.

The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.

Claims (10)

1. A child car safety seat, includes base and seat body, the seat body can set up on the base around the rotation center line with rotating, child car safety seat have orientation of seat body with the consistent forward user state of car driving direction and the orientation of seat body with the reverse user state of car driving direction opposite, its characterized in that:

the child car safety seat further comprises a limiting mechanism for limiting the relative motion of the base and the seat body along the height direction and/or the front-back direction, the limiting mechanism comprises a base limiting part arranged on the base and a mounting seat limiting part arranged on the seat body, the mounting seat limiting part is provided with two groups which are respectively arranged at the front side and the back side of the seat body,

the child automobile safety seat is in a forward use state, one set of the installation seat limiting part is connected with the base limiting part in a matched mode, the child automobile safety seat is in a reverse use state, and the other set of the installation seat limiting part is connected with the base limiting part in a matched mode.

2. The child car safety seat according to claim 1, wherein: the base locating part is from the inside wall of base inwards extends, the interior tip of base locating part has the first hook portion of downwarping, the mount pad locating part is from the lateral wall of seat body outwards extends, the outer tip of mount pad locating part has the second hook portion of kickup, the seat body winds the rotatory in-process of rotation center line, first hook portion with the second hook portion can be followed the circumference sliding connection of base.

3. A child car safety seat according to claim 1, wherein: the seat body comprises an installation seat and seats, the seats are arranged on the installation seat, and the two groups of installation seat limiting parts are respectively arranged at the front end part and the rear end part of the installation seat.

4. A child car safety seat according to claim 3, wherein: the limiting mechanism further comprises a supporting limiting piece arranged on the base and a seat limiting piece arranged on the seat, and when the child automobile safety seat is in a forward use state, the supporting limiting piece is connected with the seat limiting piece in a matched mode; when the child car safety seat is in a reverse use state, the supporting limiting part is disengaged from the seat limiting part.

5. The child car safety seat according to claim 4, wherein: the base has a first support, the mount pad has a second support, the seat has a third support, the base locating part with support the locating part all set firmly in on the first support, the base locating part is located support the below of locating part, the mount pad locating part set firmly in on the second support, the seat locating part set firmly in on the third support.

6. The child car safety seat according to claim 5, wherein: the first support, the second support and the third support are all hard frames made of metal materials.

7. A child car safety seat according to claim 3, wherein: when the child car safety seat is in a forward use state, the seat and the mounting seat are relatively fixed; the child car safety seat is in reverse use state, the seat can be set up on the mount pad with relative slip, the seat relative slip extending direction when the mount pad slides is the ascending pitch arc of opening.

8. The child car safety seat according to claim 7, wherein: the child car seat is in a reverse use state, the seat has at least a first angle position and a second angle position on the mounting seat, the child car seat further comprises a blocking mechanism, the blocking mechanism comprises a base blocking piece arranged on the base and a seat blocking piece arranged at the lower part of the seat, and when the seat is in the first angle position, the base blocking piece is positioned below the path of the seat blocking piece rotating around the rotation center line; the base blocker is positioned in a path of rotation of the seat blocker about the centerline of rotation when the seat is in the second angular position.

9. The child car safety seat according to claim 8, wherein: the rotation center line extends towards the front side of the base from bottom to top in an inclined mode, the seat comprises a backrest part, when the child car safety seat is in a reverse use state, an included angle between the back surface of the backrest part and the horizontal plane is alpha when the seat is in the first angle position, an included angle between the back surface of the backrest part and the horizontal plane is beta when the seat is in the second angle position, and the alpha is smaller than the beta.

10. A child car safety seat according to any one of claims 3 to 9, wherein: the child car seat further comprises a locking mechanism for locking the child car seat in the forward use state or the reverse use state, and the locking mechanism is arranged between the mounting seat and the base.

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