CN219727969U - Child safety seat - Google Patents

Abstract

The utility model discloses a child safety seat, which comprises a seat body and a shower head device arranged on the seat body, wherein the shower head device comprises a shower rod, a motor and a driving piece, the motor is fixedly arranged on the seat body, the motor is provided with a driving shaft, and the axial lead of the driving shaft extends along the left-right direction; the driving piece is arranged on the driving shaft and can be synchronously and rotationally arranged with the driving shaft; one end of the awning rod is fixedly provided with an awning rod seat which can be rotatably arranged relative to the driving shaft around the axial lead of the driving shaft, wherein the driving piece is provided with a first matching surface, the awning rod seat is provided with a second matching surface facing the first matching surface, and the first matching surface and the second matching surface are mutually abutted. The shower head device has the advantages that the shower rod can be driven to rotate by the motor or manually by an operator, so that convenience is brought to daily use of a user.

Description

Child safety seat

Technical Field

The present utility model relates to a child safety seat.

Background

To prevent a child from being subjected to direct sunlight on the head while sitting in the child safety seat, some child safety seats currently on the market are provided with a canopy device including a sunshade that is opened and closed by rotation of a canopy lever. At present, the rotation of the canopy rod mainly depends on manual rotation, and some of the canopy rods also depend on a motor to drive rotation, but in a motor-driven rotation mode, an operator cannot adjust the canopy rod in a manual mode, which affects the daily use of the canopy head device to a certain extent.

Disclosure of Invention

The object of the present utility model is to overcome the drawbacks of the prior art by providing an improved child safety seat with a shower head arrangement.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the child safety seat comprises a seat body and a shower head device arranged on the seat body, wherein the shower head device comprises a shower rod, a motor and a driving piece, the motor is fixedly arranged on the seat body, the motor is provided with a driving shaft, and the axial lead of the driving shaft extends along the left-right direction; the driving piece is arranged on the driving shaft and can be synchronously and rotationally arranged with the driving shaft; one end of the awning rod is fixedly provided with an awning rod seat which can be rotatably arranged relative to the driving shaft around the axial lead of the driving shaft, wherein the driving piece is provided with a first matching surface, the awning rod seat is provided with a second matching surface facing the first matching surface, and the first matching surface and the second matching surface are mutually abutted.

Preferably, the head device further comprises an elastic component for making the first mating surface and the second mating surface approach each other in the left-right direction.

Further preferably, the canopy rod seat is located at the outer side of the driving member, the elastic component comprises a spring and a pressing member, the pressing member is fixedly installed at the outer side of the driving shaft, the spring can be telescopically arranged along the axial lead of the driving shaft, and two ends of the spring respectively lean against the canopy rod seat and the pressing member.

In some embodiments, the elastic component further comprises a locking member, the locking member is provided with a connecting shaft portion and a limiting end portion, the axial line of the connecting shaft portion and the axial line of the driving shaft extend in parallel or in a collinear manner, the connecting shaft portion is in threaded connection with the driving shaft, the spring and the pressing member are sleeved on the connecting shaft portion, and the pressing member abuts against the limiting end portion.

In some embodiments, the first mating surface has at least one protrusion thereon, and the second mating surface has at least one recess thereon, the protrusion being correspondingly fittingly insertable in the recess.

In some embodiments, the first mating surface and the second mating surface are both planar, and the first mating surface and the second mating surface are always in contact.

Preferably, the shower head device further comprises a limiting part fixedly arranged on the seat body, the limiting part is provided with a limiting boss extending along the left-right direction, the shower rod seat is provided with an arc-shaped groove taking the axial lead of the driving shaft as a rotation central line, and the limiting boss can be inserted in the arc-shaped groove in a relatively sliding manner.

In some embodiments, the canopy rod seat has a receiving cavity, the driving member is located in the receiving cavity, two protrusions extending inward in a radial direction are provided on a circumferential cavity wall of the receiving cavity, two protrusions are disposed at intervals, and an arc-shaped groove is formed between the two protrusions, and the arc-shaped groove is located at a radial outer side of the driving member.

In some embodiments, the seat body is provided with a containing groove, the main body of the motor is contained in the containing groove, the limiting piece covers the opening of the containing groove, and the limiting piece is also provided with a through hole for the driving shaft to pass through in a rotating way around the axis of the driving shaft.

Preferably, the canopy rod is a U-shaped rod, a connecting seat is fixedly arranged at the other end part of the canopy rod, the connecting seat is rotationally connected to the seat body around a rotating shaft, and the axial lead of the rotating shaft and the axial lead of the driving shaft extend in a collinear manner.

Preferably, the seat body includes at least a head rest at an upper portion, and the head rest on which the head rest is mounted.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: in the child safety seat, the canopy rod in the canopy head device can be driven to rotate by a motor or manually by an operator, so that convenience is brought to daily use of a user.

Drawings

FIG. 1 is a front view of a child safety seat according to an embodiment of the present utility model, wherein a shower head assembly is in an open position;

FIG. 2 is a side view of the child safety seat of FIG. 1;

FIG. 3 is a front view of a child safety seat according to an embodiment of the present utility model, wherein the shower head assembly is in a closed position;

FIG. 4 is a side view of the child safety seat of FIG. 3;

FIG. 5 is a schematic perspective view of the safety seat of FIG. 1 showing the mounting of the head unit to the head rest;

FIG. 6 is a schematic diagram showing a second perspective view of the head rest of the safety seat of FIG. 1 with the head unit mounted thereon;

FIG. 7 is a front view of FIG. 5;

FIG. 8 is a schematic view of the cross-sectional structure taken along line A-A of FIG. 7;

FIG. 9 is an enlarged schematic view of portion B of FIG. 8;

FIG. 10 is a schematic exploded view of a shower head assembly;

FIG. 11 is a schematic exploded view of a second embodiment of a shower head assembly;

FIG. 12 is an exploded view of the spacing element, driving element and stem mount of the shower head assembly in an open position;

FIG. 13 is another angular schematic view of FIG. 12;

FIG. 14 is a schematic view of the fit between the drive member, the stem mount and the upper limit boss of the limit member with the stem assembly in an open position;

FIG. 15 is an exploded view of the spacing element, driving element and stem mount of the canopy device in the closed position;

FIG. 16 is another angular schematic view of FIG. 15;

FIG. 17 is a schematic view of the fit between the drive member, the stem mount and the upper limit boss of the limit member when the canopy device is in the closed state;

wherein: 100. a seat body; 101. a head rest; 101a, a containing groove; 102. a seat; 103. a base; 200. a shower head device;

1. tarpaulin; 2. a canopy rod seat; 21. a second mating surface; 21a, a convex part; 21b, a recess; 22. an arc-shaped groove; 23. a protrusion; 24. a housing chamber;

3. a motor; 31. a main body; 32. a drive shaft;

4. a driving member; 41. a first mating surface; 41a, a convex part; 41b, a recess; 42. a shaft hole; 43. rotating the column;

5. a spring; 6. pressing the piece; 7. a locking member; 7a, a connecting shaft part; 7b, limiting end parts;

8. a limiting piece; 8a, perforating; 8b, limiting bosses; 9. a shaft sleeve.

Detailed Description

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

The following description of the orientations concerning left, right, inner, outer, etc. is referred to in terms of the orientations observed when a child sits on the child safety seat, and is only for the purpose of illustrating the relative positional relationship of the components.

Referring to the child safety seat shown in fig. 1 to 4, which includes a seat body 100 and a shower head 200 provided on the seat body 100, the seat body 100 shown in the present embodiment is a child car safety seat for mounting on a car seat for use when a child rides on the car, and in other embodiments, the child safety seat may be a child carrier which can be used not only on the car seat but also on a separate stand-off or grafted on a product such as a car frame.

In the child safety seat of the present embodiment, the seat body 100 includes a base 103, a seat 102 provided on the base 103 for sitting and leaning of a child, and a head rest 101 mounted on an upper portion of the seat 102, and the shower head 200 is mounted on the head rest 101.

The canopy device 200 comprises a canopy rod (not shown in the figure) and a canopy cloth 1, the canopy rod is a U-shaped rod, the rear part of the canopy cloth 1 is fixed on the head support 101, the front part of the canopy cloth 1 is fixed on the canopy rod, the left end and the right end of the canopy rod are respectively and rotatably connected on the head support 101, and the canopy cloth 1 is unfolded or folded through the rotation of the canopy rod, so that the canopy device 200 is switched between an open state as shown in fig. 1 and 2 and a closed state as shown in fig. 3 and 4, wherein the canopy device 200 is in the open state, and at least part of the canopy cloth 1 is covered in front of the head support 101; in the closed state of the canopy device 200, the canopy 1 is folded behind the head rest 101.

Referring to fig. 5 to 17, the head unit 200 further includes a motor 3 and a driving member 4, a main body 31 of the motor 3 is fixedly installed on the head rest 101, and an axis line of a driving shaft 32 of the motor 3 extends in a left-right direction; the driving member 4 is mounted on the driving shaft 32 and is provided so as to be rotatable in synchronization with the driving shaft 32; a canopy lever holder 2 is fixedly provided at one end of the canopy lever, and the canopy lever holder 2 is rotatably provided with respect to the driving shaft 32 about the axis of the driving shaft 32. The driving member 4 has a first mating surface 41, the canopy rod seat 2 has a second mating surface 21 facing the first mating surface 41, and the first mating surface 41 and the second mating surface 21 are abutted against each other.

In this way, when the motor 3 works, the driving shaft 32 rotates to drive the driving piece 4 to rotate synchronously, and the first matching surface 41 and the second matching surface 21 are matched and abutted between the driving piece 4 and the canopy rod seat 2, so that the canopy rod seat 2 can rotate along with the driving piece 4, and the canopy rod can rotate under the driving action of the motor 3 to realize automatic opening and closing of the canopy head device 200. When the motor 3 is not in operation, the user can also manually rotate the canopy rod, so that the canopy rod seat 2 overcomes the friction force between the first mating surface 41 and the second mating surface 21, and can rotate around the axial line of the driving shaft 32, thereby realizing manual opening of the canopy rod. Specifically, in the present embodiment, the first mating surface 41 has at least one convex portion 41a, the second mating surface 21 has at least one concave portion 21a, the convex portion 41a and the concave portion 21b are both smooth, and the surfaces thereof are curved surfaces. The convex portion 21a can be correspondingly inserted into the concave portion 21b, which enables a large friction force to be generated when the first mating surface 41 and the second mating surface 21 are in surface contact. Here, the first mating surface 41 has a plurality of convex portions 41a and concave portions 41b alternately distributed along the circumferential direction, so that the first mating surface 41 has a wavy shape with high and low fluctuation; the second mating surface 21 also has a plurality of convex portions 21a and concave portions 21b alternately distributed in the circumferential direction, and the first mating surface 21 also has a wavy shape with a high-low fluctuation.

Referring to fig. 5 to 17, the canopy rod seat 2 is located outside the driving member 4, the cross section of the driving shaft 32 is non-circular, and the driving shaft 32 is sleeved with the shaft sleeve 9; the driving piece 4 is provided with a shaft hole 42, the shaft sleeve 9 is inserted in the shaft hole 42 in a matched mode, and the driving piece 4 is driven to synchronously rotate through the shaft sleeve 9 when the driving shaft 32 rotates. The driving member 4 has a rotation cylinder 41, the first mating surface 41 is located on the inner side of the rotation cylinder 41 in the left-right direction, the canopy rod seat 2 has a receiving cavity, the driving member 4 is located in the receiving cavity, so that the first mating surface 41 and the second mating surface 21 on the canopy rod seat 2 are mated with each other, and the canopy rod seat 2 can be relatively rotatably sleeved on the outer peripheral portion of the rotation cylinder 41.

The shower head 200 further comprises an elastic member for urging the first mating surface 41 and the second mating surface 21 toward each other in the left-right direction. In this embodiment, the elastic component includes a spring 5, a pressing member 6 and a locking member 7, the pressing member 6 is fixedly installed on the outer side of the driving shaft 32, the spring 5 can be telescopically arranged along the axial line of the driving shaft 32, and two ends of the spring 5 respectively lean against the canopy rod seat 2 and the pressing member 6; the locking member 7 has a connecting shaft portion 7a and a limiting end portion 7b, the axis line of the connecting shaft portion 7a and the axis line of the driving shaft 32 extend parallel or collinear with each other, the connecting shaft portion 7a is connected to the driving shaft 32 by screw threads, the spring 5 and the pressing member 6 are rotatably sleeved on the connecting shaft portion 7a, and the pressing member 6 abuts against the limiting end portion 7 b. In a specific arrangement, the outer side of the canopy rod seat 2 is provided with a receiving cavity 24, and the spring 6 and the limiting end 7b are both received in the receiving cavity 24.

In the canopy device 200 of the present embodiment, under the action of no external force, the first mating surface 41 and the second mating surface 42 abut against each other under the action of the elastic component, so that the two mating surfaces cooperate with each other to have a large friction force, which can prevent the canopy rod from falling in a certain required gear where the canopy rod is positioned, for example, in a state that the canopy head is half opened.

In other embodiments, the first mating surface 41 and the second mating surface 21 are both flat and are always attached, and the first mating surface 41 and the second mating surface 21 are preferably surfaces with larger roughness, and the friction force between the two surfaces can enable the motor 3 to drive the driving member 4 to rotate and drive the canopy rod seat 2 to rotate synchronously. At this time, the elastic component may or may not be provided, and the friction force between the two planes of the first mating surface 41 and the second mating surface 21 may play a role in preventing the canopy rod from falling off.

Referring to fig. 10 to 17, the shower head device 200 further includes a limiting member 8 fixed on the seat body 100, the limiting member 8 has a limiting boss 8b extending outwards along a left-right direction, the shower rod seat 2 is provided with an arc-shaped slot 22 using an axial line of the driving shaft 32 as a rotation center line, and the limiting boss 8b can be relatively slidably inserted into the arc-shaped slot 22, so as to limit a rotation angle range of the shower rod seat 2. Specifically, the circumferential cavity wall of the accommodating cavity on the stem seat 2 is provided with two protrusions 23 extending radially inwards, the two protrusions 23 are arranged at intervals, and an arc-shaped groove 22 is formed between the two protrusions 23, and the arc-shaped groove 22 is positioned at the radial outer side of the driving piece 4. The housing groove 101a is provided on the outside of the head rest 101, the main body 31 of the motor 3 is housed in the housing groove 101a, and the stopper 8 is covered on the mouth of the housing groove 101a and fixed to the head rest 101 by a locking screw. The stopper 8 is further provided with a through hole 8a through which the drive shaft 32 is rotatably inserted about its own axis.

When the motor 3 is mounted, the main body 31 of the motor 3 is placed in the accommodating groove 101a, then the limiting member 8 is covered on the opening of the accommodating groove 101a, the driving shaft 32 is made to pass through the through hole 8a, and then the limiting member 8 is fixed on the head rest 101. Then, the driving member 4 is mounted on the driving shaft 32 through the shaft sleeve 9, the canopy rod seat 2 is sleeved on the rotating column 42 of the driving member 4, the spring and the pressing member 6 are sequentially mounted, and finally the connecting shaft portion 7a of the locking member 7 passes through the pressing member 6 and the spring 5 and is connected to the driving shaft 32 in a threaded manner, so that the installation of the canopy head device 200 is completed.

In this embodiment, the two ends of the canopy rod are both provided with the canopy rod seat 2 and are both provided with the motor 3, and the canopy rod seats 2 on both sides can be driven by the motor 3 on the side where they are located. But the synchronous driving of the motors 3 on both sides needs to be maintained when the arrangement is specific.

In other embodiments, one end of the canopy rod is provided with a canopy rod seat 2 and is connected with a motor 3, and the other end of the canopy rod is provided with a connection seat (not shown in the drawing) rotatably connected to the seat body 100 about a rotation shaft (not shown in the drawing) whose axis extends in line with the axis of the driving shaft 32. Thus, the motor 3 on one side is operated to drive the rotation of the canopy rod, so as to realize the automatic opening and closing of the canopy device 200.

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

Claims (10)

1. A child safety seat comprising a seat body and a canopy device disposed on the seat body, characterized in that: the shower head device comprises a shower rod, a motor and a driving piece, wherein the motor is fixedly arranged on the seat body and is provided with a driving shaft, and the axial lead of the driving shaft extends along the left-right direction; the driving piece is arranged on the driving shaft and can be synchronously and rotationally arranged with the driving shaft; one end of the awning rod is fixedly provided with an awning rod seat which can be rotatably arranged relative to the driving shaft around the axial lead of the driving shaft, wherein the driving piece is provided with a first matching surface, the awning rod seat is provided with a second matching surface facing the first matching surface, and the first matching surface and the second matching surface are mutually abutted.

2. The child safety seat according to claim 1, wherein: the shower head device further comprises an elastic component for enabling the first matching surface and the second matching surface to be mutually close in the left-right direction.

3. The child safety seat according to claim 2, wherein: the spring assembly comprises a spring and a pressing piece, the pressing piece is fixedly arranged on the outer side of the driving shaft, the spring can be arranged along the axial lead of the driving shaft in a telescopic mode, and two ends of the spring respectively lean against the spring rod seat and the pressing piece.

4. A child safety seat according to claim 3, wherein: the elastic component still includes the retaining member, the retaining member has connecting shaft portion and spacing tip, the axial lead of connecting shaft portion with the axial lead of drive shaft is parallel or collinearly extends each other, connecting shaft portion threaded connection is in on the drive shaft, the spring with the pressfitting piece cover is established on the connecting shaft portion, just the pressfitting piece supports and leans on the spacing tip.

5. The child safety seat according to claim 1, wherein: the first matching surface is provided with at least one convex part, the second matching surface is provided with at least one concave part, and the convex part can be correspondingly inserted in the concave part in a matching way; or the first matching surface and the second matching surface are planes, and the first matching surface and the second matching surface are always attached.

6. The child safety seat according to claim 1, wherein: the shower head device further comprises a limiting piece fixedly arranged on the seat body, the limiting piece is provided with a limiting boss extending along the left-right direction, the shower rod seat is provided with an arc-shaped groove taking the axial lead of the driving shaft as a rotation central line, and the limiting boss can be inserted in the arc-shaped groove in a relatively sliding manner.

7. The child safety seat according to claim 6, wherein: the awning rod seat is provided with a containing cavity, the driving piece is positioned in the containing cavity, two protrusions extending inwards in the radial direction are arranged on the circumferential cavity wall of the containing cavity, the two protrusions are arranged at intervals, an arc-shaped groove is formed between the two protrusions, and the arc-shaped groove is positioned on the radial outer side of the driving piece.

8. The child safety seat according to claim 6, wherein: the seat body is provided with a containing groove, the main body of the motor is contained in the containing groove, the limiting piece covers the opening of the containing groove, and the limiting piece is also provided with a through hole for the driving shaft to pass through in a rotating way around the axis of the driving shaft.

9. The child safety seat according to claim 1, wherein: the shower head is characterized in that the shower head rod is a U-shaped rod, a connecting seat is fixedly arranged at the other end of the shower head rod, the connecting seat is rotationally connected to the seat body around a rotating shaft, and the axial lead of the rotating shaft and the axial lead of the driving shaft extend in a collinear manner.

10. Child safety seat according to any one of claims 1 to 9, characterized in that: the seat body comprises at least a head rest at the upper part, and the shower head device is arranged on the head rest.