CN214728335U - Side protection device of child safety seat and child safety seat - Google Patents

Abstract

The utility model relates to a children's safety seat technical field discloses a children's safety seat's side protection device and children's safety seat, wherein, side protection device including: the base is arranged on the side surface of the seat, and a first locking groove is formed in the base; the buffer piece is rotatably arranged on the base so as to be positioned at a containing position or an expanding position; one side of the buffer piece, which is far away from the seat, is provided with an installation groove; the locking part comprises an unlocking part and a lock tongue arranged on the unlocking part, and the unlocking part is movably arranged in the mounting groove; the spring bolt can lock into first capture groove to with the bolster locking in the position of accomodating. The utility model has the advantages that the side protection device can adjust the buffer part to be stored or unfolded by manually driving the unlocking part; and the first locking groove and the second locking groove can lock the position of the buffer piece, and the side protection device has the advantages of simple integral structure, convenience in operation and lower manufacturing cost.

Description

Side protection device of child safety seat and child safety seat

Technical Field

The utility model relates to a children's safety seat technical field especially relates to a children's safety seat's side protection device and children's safety seat.

Background

The child safety seat brings great guarantee for the riding safety of children, and is widely applied at present. In the actual driving process, a lot of car accidents are caused by side collision of the car, so that the side protection device is arranged on the side surface of the child safety seat to reduce the damage to children. The existing side protection devices: some fixed buffer blocks are directly arranged on two sides, but the occupied space is large and the buffering effect is not ideal; some are movable, and the side protection is automatically opened when collision occurs, but the side protection is too dependent on an electric signal and a sensor, so that the condition of mistaken opening or untimely opening sometimes occurs, the buffering effect is not good, and the safety is poor.

For example, patent "CN 210502376U" discloses a child safety seat, which comprises a seat body, a side crash protection device, wherein the side crash protection device comprises a support body movably arranged on the side of the seat body, the support body has a closed state and an open state, and when the support body is in the closed state, the support body is accommodated in the seat body; when the supporting body is in an open state, the supporting body is opened relative to the seat body, at least one part of the supporting body extends out of the seat body, the side anti-collision protection device further comprises a locking mechanism used for locking the supporting body in the closed state, and an ejecting device used for driving the locking mechanism to be unlocked when a side collision occurs, so that the supporting body is automatically converted from the closed state to the open state. This side collision avoidance device is opened or is closed by detection device control supporter, realizes automated control, but detection device detects the collision signal often not accurate enough, or pops out the device unstability, can not in time open the supporter, and this side collision avoidance device overall structure is complicated, and manufacturing cost is high, and the security is relatively poor, lacks the reliability of side collision avoidance.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved in the utility model lies in that, the side protection device of the children's safety seat who provides a manual regulation, simple structure, lock position stability, and have this side protection device's children's safety seat is not enough to prior art exists.

The utility model provides a technical scheme that its technical problem adopted is, provides a children's safety seat's side protection device, including:

the base is arranged on the side face of the seat, and a first locking groove is formed in the base;

the buffer piece is rotatably arranged on the base so as to enable the buffer piece to be positioned at a containing position or a spreading position; one side of the buffer piece, which is far away from the seat, is provided with an installation groove;

the locking part comprises an unlocking part and a lock tongue arranged on the unlocking part, and the unlocking part is movably arranged in the mounting groove; the lock tongue can lock into the first locking groove to lock the buffer piece at the accommodating position.

Further, the buffer piece comprises a first buffer block and a second buffer block which are detachably connected, the first buffer block is arranged on one side far away from the seat, and the second buffer block is arranged on one side close to the seat;

the mounting groove is positioned on the first buffer block, and a clamping groove communicated with the mounting groove is formed in the first buffer block; the unlocking part is provided with a clamping block, and the clamping block is clamped in the clamping groove and can slide along the length direction of the clamping groove.

Further, the outer surface of the first buffer block is recessed towards one side close to the second buffer block to form a first recessed portion, and the first recessed portion surrounds the mounting groove;

the clamping groove is formed in the bottom of the first concave portion.

Furthermore, a first through hole is formed in the side wall of the first concave part, a second through hole communicated with the first through hole is further formed in the side, close to the first locking groove, of the buffer piece, and the lock tongue is sequentially and movably arranged in the first through hole and the second through hole in a penetrating mode.

Furthermore, the buffer piece is provided with two guide walls which are respectively arranged on two sides of the lock tongue;

and the unlocking part is provided with a second sunken part sunken towards the side of the second buffer block.

Further, the buffer device also comprises an elastic piece which is arranged in the buffer piece; a first bulge is arranged on the first buffer block, and a second bulge is arranged on the locking piece;

one end of the elastic piece is arranged on the first bulge, and the other end of the elastic piece is arranged on the second bulge; and when the position locking piece is unlocked, the elastic piece is compressed.

Further, still include the extension spring, be equipped with first fixed axle on the second buffer block, be equipped with third through-hole and second fixed axle on the base, the one end of extension spring with first fixed axle is connected, the other end of extension spring passes the third through-hole with the second fixed axle is connected.

Furthermore, a second position locking groove is formed in the base; when the buffer piece is located at the unfolding position, the lock tongue can be locked into the second locking groove.

Further, the buffer piece is hinged on the base through a rotating shaft;

be equipped with a sphere on the base, first lock position groove and second lock position groove are all seted up on the sphere, just the bolster is close to the one end of spring bolt can be followed the sphere slides.

The utility model provides a technical scheme that its technical problem adopted is, still provide a children's safety seat, include as above side protection device.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

in the utility model, the side protection device locks or unlocks the buffer piece from the base through the locking piece, thereby realizing that the buffer piece is stored on the base or is positioned at the unfolding position to play a side protection role, and the side protection device has simple integral structure, reduces the manufacturing cost and occupies small space; during operation, the locking piece is pulled only to enable the spring bolt to be separated from the first locking groove or the second locking groove, the buffer piece is rotated, and the position of the buffer piece is changed, so that the buffer piece is located at the accommodating position or the unfolding position, and the operation is simple and convenient; when the buffer piece is located at the accommodating position or the unfolding position, the locking piece is locked in the first locking groove or the second locking groove, the structural stability is high, the stability of side anti-collision protection is ensured, and the side anti-collision effect of the side protection device is improved; the elastic piece is arranged between the buffer piece and the locking piece, so that the locking piece can be operated in a reciprocating manner, and can be locked in the first locking groove or the second locking groove.

Drawings

Fig. 1 is a schematic structural view of the child safety seat of the present invention;

FIG. 2 is a schematic structural view of the buffer member in the storage position;

FIG. 3 is a schematic view of the buffer in the deployed position;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

FIG. 5 is a schematic structural view of a base;

FIG. 6 is a schematic view of the structure of FIG. 5 from another perspective;

FIG. 7 is an exploded view of the buffer member in connection with the capture member;

FIG. 8 is a schematic view of the structure of FIG. 7 from another perspective;

FIG. 9 is a schematic view of the latch member;

fig. 10 is a schematic structural diagram of the first buffer block.

In the figure:

1. a seat;

2. a base; 20. a first capture slot; 21. a third through hole; 22. a second fixed shaft; 23. a second capture slot; 24. spherical surface;

3. a buffer member; 30. mounting grooves; 31. a first buffer block; 32. a second buffer block; 310. a card slot; 311. a first recess; 312. a first through hole; 313. a first protrusion; 320. a second through hole; 321. a guide wall; 322. a first fixed shaft;

4. a position locking member; 40. an unlocking portion; 41. a latch bolt; 42. a second protrusion; 400. a clamping block; 401. a second recess;

5. an elastic member; 6. a tension spring; 7. a rotating shaft.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 10, a side protection apparatus of a child safety seat includes: the base 2 is arranged on the side surface of the seat 1, and the base 2 is provided with a first locking groove 20; the buffer member 3 is rotatably arranged on the base 2, so that the buffer member 3 is positioned at a storage position or a spreading position, and the included angle between the buffer member 3 positioned at the storage position and the spreading position is approximately ninety degrees; the side of the buffer piece 3 far away from the seat 1 is provided with an installation groove 30; the locking part 4 comprises an unlocking part 40 and a locking tongue 41 arranged on the unlocking part 40, and the unlocking part 40 is movably arranged in the mounting groove 30; the latch tongue 41 can be locked into the first latching groove 20 to latch the buffer member 3 in the storage position. Specifically, the base 2 is further provided with a second locking groove 23, when the buffer member 3 needs to be unfolded, the unlocking part 40 of the locking piece 4 is manually pulled, so that the bolt 41 can be separated from the first locking groove 20, the locking piece 4 rotates along with the buffer member 3 to be unfolded, and one end of the buffer member 3 protrudes to the outer side of the base 1, so that a side protection effect is achieved; when the position is unfolded, the lock tongue 41 can be locked into the second locking groove 23, the stability of the unfolding position of the buffer piece 3 is guaranteed, the side protection device is simple in overall structure, the manual adjustment of the locking piece 3 can be achieved, the operation is convenient, the number of parts is small, and the manufacturing cost is reduced.

In the actual use process, the buffer part 3 is formed by connecting a first buffer block 31 and a second buffer block 32 which are detachable, so that the integral installation is convenient; and when the seat is installed, the first buffer block 31 is positioned at one side far away from the seat 1, the second buffer block 32 is positioned at one side close to the seat 1, and the installation groove 30 is arranged on the first buffer block 31, so that the unlocking part 40 arranged in the installation groove 30 is positioned at the outer side of the seat 1, and the adjustment is convenient.

Preferably, a first through hole 312 is formed in a side wall of the mounting groove 30, a second through hole 320 communicated with the first through hole 312 is further formed in the side of the buffer member 3 close to the first locking groove 20, and the locking tongue 41 sequentially and movably penetrates through the first through hole 312 and the second through hole 320, that is, the locking tongue 41 of the locking member 4 penetrates into the buffer member 3 from the first through hole 312 and penetrates out from the second through hole 320, so that the locking member 4 rotates along with the buffer member 3.

In the practical use process, the first buffer block 31 is provided with a clamping groove 310 communicated with the mounting groove 30, the unlocking part 40 is provided with a clamping block 400, the clamping block 400 is clamped in the clamping groove 310 and can slide along the length direction of the clamping groove 310, the unlocking part 40 and the buffer part 3 are clamped, the assembly and disassembly are convenient, the sliding in the clamping groove 310 is realized, and the movable connection between the two is ensured; by pulling the unlocking portion 40, the latch tongue 41 can pass through the second through hole 320 or retract into the buffer 3, so that the locking member 4 can be locked or unlocked from the first locking groove 20 or the second locking groove 23.

Preferably, the outer surface of the first buffer block 31 is recessed to a side close to the second buffer block 32 to form a first recessed portion 311, the first recessed portion 311 surrounds the mounting groove 30, and when the unlocking portion 40 is mounted in the mounting groove 30, the unlocking portion 4 is completely accommodated in the first recessed portion 311 with a certain clearance to slide the unlocking portion 40; the clamping groove 310 is formed at the bottom of the first recess 311, so that when the unlocking portion 40 is clamped with the first buffer block 31, the clamping block 400 protrudes into the buffer member 3 and contacts with the bottom surface of the clamping groove 310, and the clamping stability is ensured.

Further preferably, two guide walls 321 are disposed on the buffer 3 (i.e., the second buffer block 32 is close to the first buffer block 31), and the two guide walls 321 are disposed on two sides of the latch 41 respectively; so that the latch tongue 41 can extend and retract from the second through hole 320 along the guide wall 321 when the locking member 4 slides; and on the unlocking part 40, a second concave part 401 which is concave towards the second buffer block 32 side is arranged on the side far away from the buffer part 3, and the second concave part 401 is convenient for manual adjustment and use.

In the actual use process, the device also comprises an elastic piece 5 which is arranged in the buffer piece; the first buffer block 31 is provided with a first protrusion 313, and the locking piece 4 is provided with a second protrusion 42; when the latch tongue 41 is inserted into the buffer member 3, one end of the elastic member 5 is disposed on the first protrusion 313, and the other end of the elastic member 5 is disposed on the second protrusion 42; and when the locking piece 4 is unlocked, the elastic piece 5 is compressed, namely the elastic piece 5 is a pressure spring, so that the bolt 41 continuously protrudes out of the buffer piece 3 and is locked into the first locking groove 20 or the second locking groove 23, the buffer piece 3 is unfolded or the storage position is stable, and the locking piece 4 is ensured to be unlocked and locked in the first locking groove 20 or the second locking groove 23.

Preferably, the buffer device further comprises a tension spring 6, a first fixing shaft 322 is arranged on the second buffer block 32, a third through hole 21 and a second fixing shaft 22 are arranged on the base, one end of the tension spring 6 is connected with the first fixing shaft 322, the other end of the tension spring 6 penetrates through the third through hole 21 to be connected with the second fixing shaft 22, the tension spring 6 is continuously in a stretching state, when the locking member 4 is unlocked, the buffer member 3 can be driven to be unfolded until the buffer member 3 is in the unfolding position, and the lock tongue 41 is locked into the second locking groove 2.

In the utility model, the buffer member 3 is hinged on the base 2 through a rotating shaft 7 (or other hinged forms can be adopted) so that the buffer member 3 can rotate relative to the base 2; the base 2 is provided with a spherical surface 24, the rotating shaft 7 is arranged above the spherical surface 24, the first locking groove 20 and the second locking groove 23 are both arranged on the spherical surface 24, so that one end, close to the bolt 41, of the buffer member 3 can slide along the spherical surface 24, and the bolt 41 can be locked into the first locking groove 20 or the second locking groove 23.

Another embodiment of the present solution: a child safety seat comprises the side protection device, the side protection device is arranged above the child safety seat, when a buffer piece 3 is located at a storage position, the outer side of the whole side protection device is flush with the outer side of the child safety seat, the whole child safety seat is attractive in appearance, and the child safety seat is not easy to damage; the safety of the child safety seat with the side protection device is further improved; when collision happens, the side protection device bears impact and can be replaced according to loss, and the service life of the child safety seat is prolonged.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. A side protection device for a child safety seat, comprising:

the base is arranged on the side face of the seat, and a first locking groove is formed in the base;

the buffer piece is rotatably arranged on the base so as to enable the buffer piece to be positioned at a containing position or a spreading position; one side of the buffer piece, which is far away from the seat, is provided with an installation groove;

the locking part comprises an unlocking part and a lock tongue arranged on the unlocking part, and the unlocking part is movably arranged in the mounting groove; the lock tongue can lock into the first locking groove to lock the buffer piece at the accommodating position.

2. The side protector for a child safety seat according to claim 1, wherein the buffer member comprises a first buffer block and a second buffer block which are detachably connected, the first buffer block is arranged at a side far away from the seat, and the second buffer block is arranged at a side close to the seat;

the mounting groove is positioned on the first buffer block, and a clamping groove communicated with the mounting groove is formed in the first buffer block; the unlocking part is provided with a clamping block, and the clamping block is clamped in the clamping groove and can slide along the length direction of the clamping groove.

3. The side protector for a child safety seat according to claim 2, wherein the outer surface of the first bumper is recessed to a side adjacent to the second bumper to form a first recess, and the first recess surrounds the mounting groove;

the clamping groove is formed in the bottom of the first concave portion.

4. The side protector of claim 3, wherein a first through hole is formed in a side wall of the first recess, a second through hole communicated with the first through hole is further formed in a side of the buffer member close to the first locking groove, and the latch bolt is sequentially and movably inserted into the first through hole and the second through hole.

5. The side protection device of a child safety seat according to claim 4, wherein the buffer member is provided with two guide walls, and the two guide walls are respectively arranged on two sides of the lock tongue;

and the unlocking part is provided with a second sunken part sunken towards the side of the second buffer block.

6. The side protector for a child safety seat according to claim 4 or 5, further comprising an elastic member disposed in the buffer member; a first bulge is arranged on the first buffer block, and a second bulge is arranged on the locking piece;

one end of the elastic piece is arranged on the first bulge, and the other end of the elastic piece is arranged on the second bulge; and when the position locking piece is unlocked, the elastic piece is compressed.

7. The side protection device of a child safety seat according to claim 2, further comprising a tension spring, wherein the second buffer block is provided with a first fixing shaft, the base is provided with a third through hole and a second fixing shaft, one end of the tension spring is connected with the first fixing shaft, and the other end of the tension spring penetrates through the third through hole and is connected with the second fixing shaft.

8. The side protector for a child safety seat according to claim 1, wherein the base has a second capture slot; when the buffer piece is located at the unfolding position, the lock tongue can be locked into the second locking groove.

9. The side protector for a child safety seat according to claim 8, wherein the bumper member is hinged to the base through a pivot;

be equipped with a sphere on the base, first lock position groove and second lock position groove are all seted up on the sphere, just the bolster is close to the one end of spring bolt can be followed the sphere slides.

10. A child safety seat comprising a side protection arrangement according to any one of claims 1 to 9.

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