CN115257481A - Automobile safety seat for children - Google Patents
Automobile safety seat for children Download PDFInfo
- Publication number
- CN115257481A CN115257481A CN202210823715.1A CN202210823715A CN115257481A CN 115257481 A CN115257481 A CN 115257481A CN 202210823715 A CN202210823715 A CN 202210823715A CN 115257481 A CN115257481 A CN 115257481A
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- Prior art keywords
- arc
- connecting rod
- seat body
- guide groove
- nut
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 24
- 230000033001 locomotion Effects 0.000 description 19
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2869—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle rotatable about a vertical axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2821—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part
Abstract
The invention relates to a child car safety seat, comprising: a base; the middle connecting piece is arranged above the base and is provided with an arc-shaped upper receiving surface protruding downwards; the bottom of the seat body is provided with an arc-shaped lower bottom surface which is convex downwards and is positioned above the arc-shaped upper receiving surface, and the seat body is connected with the middle connecting piece in a sliding way along the arc direction to adjust the inclination angle of the seat body relative to the base; an electric motor; the screw rod is in transmission connection with the motor; the nut is sleeved on the screw rod and is in threaded fit with the screw rod; a connecting rod with one end part pivotally connected with the nut through a rotating shaft on the connecting rod; one of the seat body and the middle connecting piece is fixedly connected with the motor, and the other of the seat body and the middle connecting piece is connected with the other end of the connecting rod through a connecting rod lower rotating shaft pivot; when the motor drives the screw rod to rotate, the nut moves along the axial lead direction of the screw rod to drive the connecting rod to swing, so that the seat body slides along the arc direction relative to the middle connecting piece. The child car safety seat is simple in structure, convenient to adjust and convenient to operate.
Description
Technical Field
The invention belongs to the field of children products, and particularly relates to a child car safety seat.
Background
Child safety seats are increasingly used as safety tools for children to ride in automobiles. Child safety seats typically include a base for supporting a vehicle seat and a seat body disposed on the base for seating a child. The seat body can be usually set up on the base relatively slidably for form the cooperation gesture of different angles between seat body and the base, and then can have different position of sitting or the position of lying when making children take children's safety seat. However, the existing structure is not convenient for realizing angle adjustment between the seat body and the base, especially smooth front and back pitching adjustment, and even if approximate pitching adjustment can be realized through other structures, the structure is not convenient and stable enough. The angle adjustment between the seat body and the base is an important adjustment mode for improving the riding comfort level of a child when the child rides an automobile, so that a novel child safety seat is needed, and the angle adjustment of the seat body relative to the base within a limited range can be simply and conveniently realized.
Disclosure of Invention
The invention aims to provide a child car safety seat which can be adjusted in rotation angle at will to meet the functional requirements of rotation adjustment.
In order to achieve the purpose, the invention adopts the technical scheme that:
a child car safety seat comprising:
a base;
the middle connecting piece is arranged above the base, is pivotally connected with the base and is provided with an arc-shaped upper receiving surface protruding downwards;
a seat body at least partially disposed above the intermediate link, the seat body having a downwardly convex arcuate lower bottom surface at a bottom thereof, the arcuate lower bottom surface being located above the arcuate upper receiving surface, the seat body being slidably coupled to the intermediate link along the arcuate direction for adjusting an inclination angle of the seat body relative to the base; the child car safety seat further comprises
The motor is fixedly arranged on the seat body and is provided with a motor output rotating shaft;
the screw is in transmission connection with the output rotating shaft of the motor;
the nut is sleeved on the screw rod and is in threaded fit connection with the screw rod;
one end of the connecting rod is pivotally connected with the nut through a first connecting rod rotating shaft, and the other end of the connecting rod is pivotally connected with the middle connecting piece through a second connecting rod rotating shaft;
when the motor drives the screw rod to rotate, the nut moves along the axis line direction of the screw rod to drive the connecting rod to swing, so that the seat body slides along the arc direction relative to the middle connecting piece.
Preferably, the motor output rotating shaft is coaxially and fixedly connected with the screw rod.
Preferably, the middle connecting piece is provided with an arc-shaped guide groove, the arc-shaped guide groove is provided with a front limiting blocking wall and a rear limiting blocking wall, a guide pin is fixed on the seat body, and the guide pin is inserted into the guide groove; when the motor drives the screw rod to rotate, the guide pin slides between the front limit stop wall and the rear limit stop wall along the arc-shaped guide groove.
Further preferably, there are two arc-shaped guide grooves, namely a front arc-shaped guide groove and a rear arc-shaped guide groove, and there are two guide pins, namely a front guide pin and a rear guide pin, respectively, the front guide pin is inserted into the front arc-shaped guide groove, and the rear guide pin is inserted into the rear arc-shaped guide groove.
Preferably, the nut on be fixed with radial convex first ear, the upper end of connecting rod pass through the first pivot of connecting rod with first ear looks pivotal connection, the lower tip of connecting rod pass through the second pivot of connecting rod with the rear portion looks pivotal connection of intermediate junction spare.
The invention aims to provide a child car safety seat which can be adjusted in rotation angle at will to meet the functional requirements of rotation adjustment.
In order to achieve the purpose, the invention adopts the technical scheme that:
a child car safety seat comprising:
a base;
the middle connecting piece is arranged above the base, is pivotally connected with the base and is provided with an arc-shaped upper receiving surface protruding downwards;
a seat body at least partially disposed above the intermediate link, the seat body having a downwardly convex arcuate lower bottom surface at a bottom thereof, the arcuate lower bottom surface being located above the arcuate upper receiving surface, the seat body being slidably coupled to the intermediate link along the arcuate direction for adjusting an inclination angle of the seat body relative to the base; the child car safety seat further comprises
The motor is fixedly arranged on the middle connecting piece and is provided with a motor output rotating shaft;
the screw is in transmission connection with the output rotating shaft of the motor;
the nut is sleeved on the screw rod and is in threaded fit connection with the screw rod;
one end of the connecting rod is pivotally connected with the nut through a first connecting rod rotating shaft, and the other end of the connecting rod is pivotally connected with the seat body through a second connecting rod rotating shaft;
when the motor drives the screw rod to rotate, the nut moves along the axis line direction of the screw rod to drive the connecting rod to swing, so that the seat body slides along the arc direction relative to the middle connecting piece.
Preferably, the motor output rotating shaft is coaxially and fixedly connected with the screw rod.
Preferably, the middle connecting piece is provided with an arc-shaped guide groove, the arc-shaped guide groove is provided with a front limiting blocking wall and a rear limiting blocking wall, a guide pin is fixed on the seat body, and the guide pin is inserted into the guide groove; when the motor drives the screw rod to rotate, the guide pin slides between the front limiting blocking wall and the rear limiting blocking wall along the arc-shaped guide groove.
Further preferably, there are two arc guide grooves, namely a front arc guide groove and a rear arc guide groove, and there are two guide pins, namely a front guide pin and a rear guide pin, the front guide pin being inserted into the front arc guide groove, and the rear guide pin being inserted into the rear arc guide groove.
Preferably, the nut is fixed with a first lug protruding in the radial direction, the lower end part of the connecting rod is connected with the first lug through a first rotating shaft of the connecting rod in a pivoting manner, and the upper end part of the connecting rod is connected with the seat body through a second rotating shaft of the connecting rod in a pivoting manner.
The invention aims to provide a child car safety seat which can be adjusted in rotation angle at will to meet the functional requirements of rotation adjustment.
In order to achieve the purpose, the invention adopts the technical scheme that:
a child car safety seat comprising:
a base;
the middle connecting piece is arranged above the base, is pivotally connected with the base and is provided with an arc-shaped upper receiving surface protruding downwards;
a seat body at least partially disposed above the intermediate link, the seat body having a downwardly convex arcuate lower bottom surface at a bottom thereof, the arcuate lower bottom surface being located above the arcuate upper receiving surface, the seat body being slidably coupled to the intermediate link along the arcuate direction for adjusting an inclination angle of the seat body relative to the base; the child car safety seat further comprises
The motor is fixedly arranged on the seat body;
the nut is in transmission connection with the motor;
the nut is sleeved on the screw and is in threaded fit connection with the screw;
one end of the connecting rod is pivotally connected with the screw rod through a first connecting rod rotating shaft, and the other end of the connecting rod is pivotally connected with the middle connecting piece through a second connecting rod rotating shaft;
when the motor drives the nut to rotate, the nut moves along the axis direction of the screw rod to drive the connecting rod to swing, so that the seat body slides along the arc direction relative to the middle connecting piece.
Preferably, the middle connecting piece is provided with an arc-shaped guide groove, the arc-shaped guide groove is provided with a front limiting blocking wall and a rear limiting blocking wall, a guide pin is fixed on the seat body, and the guide pin is inserted into the guide groove; when the motor drives the nut to rotate, the guide pin slides between the front limit stop wall and the rear limit stop wall along the arc-shaped guide groove.
Further preferably, there are two arc guide grooves, namely a front arc guide groove and a rear arc guide groove, and there are two guide pins, namely a front guide pin and a rear guide pin, the front guide pin being inserted into the front arc guide groove, and the rear guide pin being inserted into the rear arc guide groove.
Preferably, the screw is provided with a second lug protruding radially, the position of the second lug in the axial direction of the screw is kept unchanged relative to the screw, the upper end of the connecting rod is pivotally connected with the second lug through a first connecting rod rotating shaft, and the lower end of the connecting rod is pivotally connected with the rear part of the intermediate connecting piece through a second connecting rod rotating shaft.
The invention aims to provide a child car safety seat which can be adjusted in rotation angle at will to meet the functional requirements of rotation adjustment.
In order to achieve the purpose, the invention adopts the technical scheme that:
a child car safety seat comprising:
a base;
the middle connecting piece is arranged above the base, is pivotally connected with the base and is provided with an arc-shaped upper receiving surface protruding downwards;
a seat body at least partially disposed above the middle connecting member, the seat body having a bottom with a downwardly convex curved bottom surface above the curved upper receiving surface, the seat body being slidably connected to the middle connecting member along the curved direction for adjusting the tilt angle of the seat body relative to the base; the child car safety seat further comprises
The motor is fixedly arranged on the middle connecting piece;
the nut is in transmission connection with the output rotating shaft of the motor;
the nut is sleeved on the screw and is in threaded fit connection with the screw;
one end of the connecting rod is pivotally connected with the screw rod through a first connecting rod rotating shaft, and the other end of the connecting rod is pivotally connected with the seat body through a second connecting rod rotating shaft;
when the motor drives the nut to rotate, the nut moves along the axis direction of the screw rod to drive the connecting rod to swing, so that the seat body slides along the arc direction relative to the middle connecting piece.
Preferably, the middle connecting piece is provided with an arc-shaped guide groove, the arc-shaped guide groove is provided with a front limiting blocking wall and a rear limiting blocking wall, a guide pin is fixed on the seat body, and the guide pin is inserted into the guide groove; when the motor drives the nut to rotate, the guide pin slides between the front limit stop wall and the rear limit stop wall along the arc-shaped guide groove.
Further preferably, there are two arc guide grooves, namely a front arc guide groove and a rear arc guide groove, and there are two guide pins, namely a front guide pin and a rear guide pin, the front guide pin being inserted into the front arc guide groove, and the rear guide pin being inserted into the rear arc guide groove.
Preferably, the screw rod on be provided with radial convex second ear, the second ear relative the screw rod in screw rod axial direction on the position remain unchanged, the lower tip of connecting rod through the first pivot of connecting rod with second ear looks pivotal connection, the upper end of connecting rod through connecting rod second pivot with seat body looks pivotal connection.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the screw rod is driven by the motor to move relative to the nut, the seat body is driven by the motor to move, and the seat body can be rotationally adjusted relative to the base through the matching of the arc-shaped surface between the seat body and the middle connecting piece; because the two ends of the connecting rod are in pivot connection, the nut moves linearly relative to the screw rod and is converted into rotation adjustment that the seat body can be attached to the arc-shaped surface of the middle connecting piece to slide; meanwhile, the motor, the screw rod and the nut are matched to realize stepless adjustment of rotation adjustment; the child car safety seat is simple in structure, convenient to adjust the rotating angle and convenient to operate.
Drawings
FIG. 1 is a side view of a child car safety seat according to a first embodiment;
FIG. 2 is a schematic back view of a child car safety seat according to a first embodiment;
FIG. 3 is a schematic top view of a child car safety seat according to a first embodiment in a first configuration;
FIG. 4 isbase:Sub>A schematic cross-sectional view of section A-A of FIG. 3;
FIG. 5 is an enlarged schematic view of portion B of FIG. 4;
FIG. 6 is an enlarged schematic view of portion C of FIG. 4;
FIG. 7 is an enlarged schematic view of portion D of FIG. 4;
FIG. 8 is a schematic top view of a child car safety seat according to a first embodiment in a second configuration;
FIG. 9 is a schematic cross-sectional view of section E-E of FIG. 8;
FIG. 10 is an enlarged schematic view of portion F of FIG. 9;
FIG. 11 is an enlarged schematic view of portion G of FIG. 9;
FIG. 12 is an enlarged view of portion H of FIG. 9;
FIG. 13 is a schematic cross-sectional view of a child safety seat in a first configuration according to a second embodiment;
FIG. 14 is an enlarged view of portion I of FIG. 13;
FIG. 15 is a schematic cross-sectional view of a child safety seat in a first configuration according to a third embodiment;
FIG. 16 is an enlarged view of portion J of FIG. 15;
FIG. 17 is a schematic cross-sectional view of a child safety seat in a first configuration in accordance with a fourth embodiment;
fig. 18 is an enlarged view of the portion K in fig. 17.
In the drawings above:
1. a base; 2. an intermediate connecting member; 21. an arc-shaped guide groove; 211. a front limiting blocking wall; 212. a rear limiting blocking wall; 213. a front arc guide groove; 214. a rear arc guide groove; 3. a seat body; 31. a guide pin; 311. a front guide pin; 312. a rear guide pin;
4. an electric motor; 41. an electric motor output shaft; 42. a motor mounting bracket; 5. a screw; 51. a screw end sleeve; 52. a screw end sleeve seat; 53. a screw seat fixing frame; 54. a screw end face nut; 55. a second ear portion; 6. a nut; 61. a first ear portion; 7. a connecting rod; 71. a connecting rod first rotating shaft; 72. a connecting rod second rotating shaft; 8. a connector; 81. a connector seat.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, the directions of "front", "rear", "left", "right", "up", "down", etc., referred to are defined with reference to the direction viewed when a child is seated, as in fig. 1, the left direction in the drawing is "front", the right direction in the drawing is "back", the upper direction in the drawing is "up", the lower direction in the drawing is "down", and the directions perpendicular to the view angle in the drawing are "left" and "right", and the above-mentioned definitions of the directions are merely for convenience of description of the present invention and for simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
as shown in fig. 1-3 and 8, a child car safety seat comprises a base 1, an intermediate connecting member 2 and a seat body 3.
The shape of the middle connecting piece 2 can be approximately considered as a boat shape, the middle connecting piece 2 is arranged above the base 1, the middle connecting piece 2 is pivotally connected with the base 1 through a seat rotating shaft, the middle connecting piece 2 has an arc-shaped upper receiving surface protruding downwards, the seat rotating shaft is not necessarily a solid rotating shaft piece, but also refers to a virtual rotating shaft, and only the middle connecting piece 2 and the base 1 can realize relative rotation.
The seat body 3 is used for taking a child, at least part of the seat body 3 is arranged above the intermediate connecting piece 2, the bottom of the seat body 3 is provided with a downward convex arc-shaped lower bottom surface, the arc-shaped lower bottom surface is positioned above the arc-shaped upper receiving surface, and the seat body 3 and the intermediate connecting piece 2 are connected in a sliding mode along the arc-shaped direction and used for adjusting the inclination angle of the seat body 3 relative to the base 1. When the seat body 3 slides in the arc direction with respect to the intermediate link 2, the inclination angle of the seat body 3 with respect to the base 1 changes, and the arc direction is a transition from front to back from bottom to top.
As shown in fig. 4, 5, 8, and 9, the intermediate connecting member 2 is provided with an arc-shaped guide groove 21, an extending direction of the arc-shaped guide groove 21 is an arc direction in which the seat body 3 slides, the arc-shaped guide groove 21 has a front limiting blocking wall 211 and a rear limiting blocking wall 212, and in this embodiment, the front limiting blocking wall 211 and the rear limiting blocking wall 212 are respectively located at front and rear end portions of the extending direction of the arc-shaped guide groove 21. The seat body 3 is fixed with a guide pin 31, the guide pin 31 is inserted in the guide groove, and when the seat body 3 slides relative to the intermediate link 2, the guide pin 31 slides in the guide groove, thereby limiting the sliding direction of the seat body 3 relative to the intermediate link 2. When the guide pin 31 abuts at the front limit stopper wall 211, the seat is in a first state, and when the guide pin 31 abuts at the rear limit stopper wall 212, the seat is in a second state, and the back of the seat body 3 is closer to the back of the base 1 in the first state than in the second state.
Specifically, there are two arc guide grooves 21, namely a front arc guide groove 213 and a rear arc guide groove 214, which are respectively located at a position forward and a position backward of the intermediate link 2, and there are two guide pins 31, namely a front guide pin 311 and a rear guide pin 312, the front guide pin 311 is inserted into the front arc guide groove 213, the rear guide pin 312 is inserted into the rear arc guide groove 214, and by the cooperation of the two sets of guide pins 31 and the arc guide grooves 21, the sliding of the seat body 3 is made more stable, the connection stability with the intermediate link 2 is enhanced, and a certain side of the seat body 3 is prevented from tilting.
As shown in fig. 4, 6, 7, 9, 11 and 12, the child car seat further includes a motor 4, a screw 5, a nut 6 and a link 7, the back of the seat body 3 (the back is understood to be roughly corresponding to the back of a child when the child is seated) has a receiving space behind it to provide the above structure, and by providing the above structure, the angle adjustment of the seat body 3 relative to the base 1 is realized, in that when the motor 4 rotates the screw 5, the nut 6 moves along the axial line direction of the screw 5, and the link 7 swings, so that the seat body 3 slides along the arc direction relative to the intermediate link 2, and the guide pin 31 slides along the arc guide groove 21 between the front limit stop wall 211 and the rear limit stop wall 212; when the motor 4 drives the screw 5 to rotate, only the seat body 3 is driven to slide relative to the middle connecting piece 2, and the middle connecting piece 2 is not driven to move relative to the base 1.
The motor 4 is fixedly arranged on the seat body 3, and specifically comprises: the motor 4 is connected to a motor mounting bracket 42, and the motor mounting bracket 42 is fixedly welded to the seat body 3.
The motor 4 has a motor output shaft 41, and in the present embodiment, the screw 5 is coaxially and fixedly connected to the motor output shaft 41. Specifically, the upper end of the screw 5 is fixed to the motor output rotating shaft 41 through the connector 8, the connector 8 is sleeved on the upper end of the screw 5 and the motor output rotating shaft 41 at the same time, the motor mounting bracket 42 is fixedly provided with the connector seat 81, and the connector 8 is mounted in the connector seat 81; the lower tip cover of screw rod 5 is equipped with screw rod end cover 51, and screw rod end cover 51 sets up on screw rod end cover seat 52, and screw rod end cover seat 52 is fixed to be set up on screw rod seat mount 53, and fixed welding of screw rod seat mount 53 is on seat body 3, and the lower tip of screw rod 5 further revolves screw rod terminal surface nut 54 and prescribes limit on screw rod 5 with screw rod end cover 51.
The nut 6 is sleeved on the screw 5 and is in threaded fit connection with the screw 5, so that the rotation of the nut 6 relative to the screw 5 can be converted into the movement of the screw 5 along the axial lead direction thereof, and the movement is generated in the arc direction to drive the seat body 3 to move. While the nut 6 is prevented from moving out of the lower end of the screw 5 due to the restriction of the screw end sleeve 51.
One end of the link 7 is pivotally connected to the nut 6 via a link first pivot 71, and the other end of the link 7 is pivotally connected to the intermediate link 2 via a link second pivot 72. Due to the limitation of the length of the connecting rod 7, the nut 6 cannot generate large displacement, so that the screw 5 moves relative to the nut 6 along the axis line direction of the screw 5 when the motor 4 is driven, and the mutual structural limitation enables the screw 5 to generate angle change along the front and back directions when moving, but the pivot rotation of the two end parts of the connecting rod 7 is utilized to avoid the pause of the resultant motion of the movement of the screw 5 along the axis line direction and the rotation of the angle change, so that the sliding of the seat body 3 is smoother. Specifically, a first lug 61 projecting radially is fixed to the nut 6, the upper end portion of the link 7 is pivotally connected to the first lug 61 via a link first pivot 71, and the lower end portion of the link 7 is pivotally connected to the rear portion of the intermediate link 2 via a link second pivot 72.
The second embodiment:
the present embodiment is basically the same as the first embodiment, except that the connection positions of the motor 4, the screw 5 and the link 7 are different, but the principle of controlling the movement of the seat body 3 is the same as the first embodiment, and the purpose of the present embodiment is to provide another structure capable of realizing the movement of the seat body 3, as shown in fig. 13 and 14, and referring to the structure in the drawings related to the first embodiment, the specific structure is as follows:
the motor 4 is fixedly arranged on the intermediate connecting piece 2, and specifically comprises: the motor 4 is connected to the motor mounting bracket 42, and the motor mounting bracket 42 is fixedly welded to the intermediate connector 2.
The motor 4 has a motor output shaft 41, and in the present embodiment, the screw 5 is coaxially and fixedly connected to the motor output shaft 41. Specifically, the lower end of the screw 5 is fixed to the motor output rotating shaft 41 through the connector 8, the connector 8 is simultaneously sleeved on the lower end of the screw 5 and the motor output rotating shaft 41, the motor mounting bracket 42 is fixedly provided with the connector seat 81, and the connector 8 is mounted in the connector seat 81.
One end of the link 7 is pivotally connected to the nut 6 via a link first shaft 71, and the other end of the link 7 is pivotally connected to the seat body 3 via a link second shaft 72. Because the screw 5 is connected with the motor output rotating shaft 41, and the motor 4 is connected with the intermediate connecting piece 2, the spatial three-dimensional position of the screw 5 relative to the base 1 and the intermediate connecting piece 2 is basically unchanged, so that the nut 6 moves relative to the screw 5 to drive the connecting rod 7 to move together, and the connecting rod second rotating shaft 72 is fixed relative to the seat body 3, so that the connecting rod 7 rotates around the connecting rod second rotating shaft 72, the connecting rod 7 rotates while moving axially relative to the screw 5 under the mutual structural limitation, the seat body 7 is pushed to move along the arc direction, and the resultant motion of the movement of the screw 5 along the axial lead direction and the rotation of the angle change is prevented from being damped by the pivot rotation of the two end parts of the connecting rod 7, and the sliding of the seat body 3 is smoother. Specifically, a first lug 61 projecting in the radial direction is fixed to the nut 6, the lower end portion of the link 7 is pivotally connected to the first lug 61 via a link first rotating shaft 71, and the upper end portion of the link 7 is pivotally connected to the seat body 3 via a link second rotating shaft 72.
Example three:
the present embodiment is basically the same as the first embodiment, except that the connection positions of the motor 4, the screw 5 and the link 7 are different, but the principle of controlling the movement of the seat body 3 is the same as the first embodiment, and the purpose of the present embodiment is to provide another structure capable of realizing the movement of the seat body 3, as shown in fig. 15 and 16, and with reference to the structure in the drawings related to the first embodiment, the specific structure is as follows:
in this embodiment, the motor 4 rotates the nut 6, so that the nut 6 moves along the axial lead of the screw 5, and the screw 5 swings the link 7, so that the seat body 3 slides in an arc direction relative to the intermediate link 2.
The motor 4 is fixedly arranged on the seat body 3, and specifically comprises: the motor 4 is connected to a motor mounting bracket 42, and the motor mounting bracket 42 is fixedly welded to the seat body 3.
The motor 4 is in transmission connection with the nut 6, in this embodiment, the nut 6 is arranged inside the motor 4 in a manner of rotating around its own axis, and the motor 4 with the nut 6 inside can also be used, which is an equivalent alternative. The screw 5 passes through the motor 4, the nut 6 is sleeved on the screw 5 and is in threaded fit connection with the screw 5, the nut 6 is arranged in the motor 4 and is unchanged relative to the spatial position of the seat body 3, and the screw 5 is connected to the intermediate connecting piece 2 through the connecting rod 7, so that the nut 6 rotates relative to the screw 5 to convert the motion between the screw and the nut into the motion of the nut 6 along the axial lead direction of the screw 5, and the nut is displaced in the arc direction to drive the seat body 3 to move.
One end of the link 7 is pivotally connected to the screw 5 via a link first pivot 71, and the other end of the link 7 is pivotally connected to the intermediate link 2 via a link second pivot 72. Due to the limitation of the length of the connecting rod 7, the screw rod 5 cannot generate large displacement, so that the nut 6 moves relative to the screw rod 5 along the axial lead direction of the screw rod 5 when the motor 4 drives the screw rod to work, the mutual structural limitation enables the screw rod 5 to generate angle change and swing along the front and back directions when the nut 6 moves, and the pivot rotation of the two end parts of the connecting rod 7 is utilized, so that the pause of the movement of the nut 6 along the axial lead direction of the screw rod 5 and the rotation of the angle change is avoided, and the sliding of the seat body 3 is smoother. Specifically, the lower end portion of the screw 5 is provided with a second lug 55 projecting radially, the position of the second lug 55 in the axial direction of the screw 5 with respect to the screw 5 is maintained, the upper end portion of the link 7 is pivotally connected to the second lug 55 by a link first rotating shaft 71, and the lower end portion of the link 7 is pivotally connected to the rear portion of the intermediate link 2 by a link second rotating shaft 72. More preferably, the second ear 55 is fixedly arranged relative to the screw 5.
Example four:
the present embodiment is basically the same as the first embodiment, except that the connection positions of the motor 4, the screw 5 and the link 7 are different, but the principle of controlling the movement of the seat body 3 is the same as the first embodiment, and the purpose of the present embodiment is to provide another structure capable of realizing the movement of the seat body 3, as shown in fig. 17 and 18, and with reference to the structure in the drawings related to the first embodiment, the specific structure is as follows:
in this embodiment, the motor 4 drives the nut 6 to rotate, so that the nut 6 moves along the axial line direction of the screw 5, and the screw 5 drives the connecting rod 7 to swing, so that the seat body 3 slides along the arc direction relative to the intermediate connecting member 2.
The motor 4 is fixedly arranged on the intermediate connecting piece 2, and specifically comprises: the motor 4 is fixed to the rear of the intermediate link 2.
The motor 4 is in transmission connection with the nut 6, in this embodiment, the nut 6 is arranged inside the motor 4 in a manner of rotating around its own axis, and the motor 4 with the nut 6 inside can also be used, which is an equivalent alternative. The screw 5 passes through the motor 4, the nut 6 is sleeved on the screw 5 and is in threaded fit connection with the screw 5, the nut 6 is arranged in the motor 4 and does not change relative to the spatial position of the middle connecting piece 2, and the screw 5 is connected with the seat body 3 through the connecting rod 7, so that the movement between the screw 5 and the nut 6 is converted into the movement of the screw 5 relative to the nut 6 along the axial lead direction of the screw 5 through the rotation of the nut 6 relative to the screw 5, and the movement is generated in the arc direction to drive the seat body 3 to move.
One end of the link 7 is pivotally connected to the screw 5 via a link first rotating shaft 71, and the other end of the link 7 is pivotally connected to the seat body 3 via a link second rotating shaft 72. Because the nut 6 is arranged in the motor 4, and the motor 4 is connected to the intermediate connecting piece 2, the three-dimensional positions of the nut relative to the base 1 and the intermediate connecting piece 2 are basically unchanged, so that the screw 5 moves relative to the nut 6 to drive the connecting rod 7 to move together, and the second rotating shaft 72 of the connecting rod is fixed relative to the seat body 3, so that the connecting rod 7 rotates around the second rotating shaft 72 of the connecting rod, and the angle change is generated in the front and back directions when the screw 5 moves due to the mutual structural limitation, but the resultant movement of the screw 5 along the axial lead direction of the screw 5 and the rotation of the angle change is prevented from being suspended by the pivot rotation of the two end parts of the connecting rod 7, and the sliding of the seat body 3 is smoother. Specifically, the upper end portion of the screw 5 is provided with a second lug 55 projecting radially, the position of the second lug 55 in the axial direction of the screw 5 with respect to the screw 5 is kept constant, the lower end portion of the link 7 is pivotally connected to the second lug 55 by a link first rotating shaft 71, and the upper end portion of the link 7 is pivotally connected to the seat body 3 by a link second rotating shaft 72. Wherein more preferably the second ear 55 is fixedly arranged with respect to the screw 5.
The above embodiments are merely illustrative of the technical ideas 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 protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Claims (18)
1. A child car safety seat comprising:
a base;
the middle connecting piece is arranged above the base, is pivotally connected with the base and is provided with an arc-shaped upper receiving surface protruding downwards;
a seat body at least partially disposed above the middle connecting member, the seat body having a bottom with a downwardly convex curved bottom surface above the curved upper receiving surface, the seat body being slidably connected to the middle connecting member along the curved direction for adjusting the tilt angle of the seat body relative to the base; the method is characterized in that: the child car safety seat further comprises
The motor is fixedly arranged on the seat body and is provided with a motor output rotating shaft;
the screw is in transmission connection with the output rotating shaft of the motor;
the nut is sleeved on the screw rod and is in threaded fit connection with the screw rod;
one end of the connecting rod is pivotally connected with the nut through a first connecting rod rotating shaft, and the other end of the connecting rod is pivotally connected with the middle connecting piece through a second connecting rod rotating shaft;
when the motor drives the screw rod to rotate, the nut moves along the axis line direction of the screw rod to drive the connecting rod to swing, so that the seat body slides along the arc direction relative to the middle connecting piece.
2. The child car safety seat according to claim 1, wherein: the screw rod is coaxially and fixedly connected to the output rotating shaft of the motor.
3. The child car safety seat according to claim 1, wherein: the middle connecting piece is provided with an arc-shaped guide groove, the arc-shaped guide groove is provided with a front limiting blocking wall and a rear limiting blocking wall, a guide pin is fixed on the seat body, and the guide pin is inserted into the guide groove; when the motor drives the screw rod to rotate, the guide pin slides between the front limit stop wall and the rear limit stop wall along the arc-shaped guide groove.
4. A child car safety seat according to claim 3, wherein: the arc-shaped guide grooves are a front arc-shaped guide groove and a rear arc-shaped guide groove respectively, the number of the guide pins is two, the guide pins are a front guide pin and a rear guide pin respectively, the front guide pin is inserted into the front arc-shaped guide groove, and the rear guide pin is inserted into the rear arc-shaped guide groove.
5. The child car safety seat according to claim 1, wherein: the nut on be fixed with radial convex first ear, the upper end of connecting rod pass through the first pivot of connecting rod with first ear looks pivotal connection, the lower tip of connecting rod pass through the connecting rod second pivot with the rear portion looks pivotal connection of intermediate junction spare.
6. A child car safety seat comprising:
a base;
the middle connecting piece is arranged above the base, is pivotally connected with the base and is provided with an arc-shaped upper receiving surface protruding downwards;
a seat body at least partially disposed above the intermediate link, the seat body having a downwardly convex arcuate lower bottom surface at a bottom thereof, the arcuate lower bottom surface being located above the arcuate upper receiving surface, the seat body being slidably coupled to the intermediate link along the arcuate direction for adjusting an inclination angle of the seat body relative to the base; the method is characterized in that: the child car safety seat further comprises
The motor is fixedly arranged on the middle connecting piece and is provided with a motor output rotating shaft;
the screw rod is in transmission connection with the output rotating shaft of the motor;
the nut is sleeved on the screw rod and is in threaded fit connection with the screw rod;
one end of the connecting rod is pivotally connected with the nut through a first rotating shaft of the connecting rod, and the other end of the connecting rod is pivotally connected with the seat body through a second rotating shaft of the connecting rod;
when the motor drives the screw rod to rotate, the nut moves along the axis line direction of the screw rod to drive the connecting rod to swing, so that the seat body slides along the arc direction relative to the middle connecting piece.
7. The child car safety seat according to claim 6, wherein: the screw rod is coaxially and fixedly connected to the output rotating shaft of the motor.
8. The child car safety seat according to claim 6, wherein: the middle connecting piece is provided with an arc-shaped guide groove, the arc-shaped guide groove is provided with a front limiting blocking wall and a rear limiting blocking wall, a guide pin is fixed on the seat body, and the guide pin is inserted into the guide groove; when the motor drives the screw rod to rotate, the guide pin slides between the front limit stop wall and the rear limit stop wall along the arc-shaped guide groove.
9. The child car safety seat according to claim 8, wherein: the arc-shaped guide grooves are a front arc-shaped guide groove and a rear arc-shaped guide groove respectively, the number of the guide pins is two, the guide pins are a front guide pin and a rear guide pin respectively, the front guide pin is inserted into the front arc-shaped guide groove, and the rear guide pin is inserted into the rear arc-shaped guide groove.
10. The child car safety seat according to claim 6, wherein: the nut on be fixed with radial convex first ear, the lower tip of connecting rod pass through the first pivot of connecting rod with first ear looks pivotal connection, the upper end of connecting rod pass through the connecting rod second pivot with seat body looks pivotal connection.
11. A child car safety seat comprising:
a base;
the middle connecting piece is arranged above the base, is pivotally connected with the base and is provided with an arc-shaped upper receiving surface protruding downwards;
a seat body at least partially disposed above the intermediate link, the seat body having a downwardly convex arcuate lower bottom surface at a bottom thereof, the arcuate lower bottom surface being located above the arcuate upper receiving surface, the seat body being slidably coupled to the intermediate link along the arcuate direction for adjusting an inclination angle of the seat body relative to the base; the method is characterized in that: the child car safety seat further comprises
The motor is fixedly arranged on the seat body;
the nut is in transmission connection with the motor;
the nut is sleeved on the screw and is in threaded fit connection with the screw;
one end of the connecting rod is pivotally connected with the screw rod through a first connecting rod rotating shaft, and the other end of the connecting rod is pivotally connected with the middle connecting piece through a second connecting rod rotating shaft;
when the motor drives the nut to rotate, the nut moves along the axis direction of the screw rod to drive the connecting rod to swing, so that the seat body slides along the arc direction relative to the middle connecting piece.
12. The child car safety seat according to claim 11, wherein: the middle connecting piece is provided with an arc-shaped guide groove, the arc-shaped guide groove is provided with a front limiting blocking wall and a rear limiting blocking wall, a guide pin is fixed on the seat body, and the guide pin is inserted into the guide groove; when the motor drives the nut to rotate, the guide pin slides between the front limit stop wall and the rear limit stop wall along the arc-shaped guide groove.
13. The child car safety seat according to claim 12, wherein: the arc-shaped guide grooves are respectively a front arc-shaped guide groove and a rear arc-shaped guide groove, the number of the guide pins is two, the guide pins are respectively a front guide pin and a rear guide pin, the front guide pin is inserted into the front arc-shaped guide groove, and the rear guide pin is inserted into the rear arc-shaped guide groove.
14. The child car safety seat according to claim 11, wherein: the screw rod on be provided with radial convex second ear, second ear relative the screw rod be in screw rod axial direction on the position keep unchangeable, the upper end of connecting rod pass through the first pivot of connecting rod with second ear looks pivotal connection, the lower tip of connecting rod pass through connecting rod second pivot with intermediate junction's rear portion looks pivotal connection.
15. A child car safety seat comprising:
a base;
the middle connecting piece is arranged above the base, is pivotally connected with the base and is provided with an arc-shaped upper receiving surface protruding downwards;
a seat body at least partially disposed above the middle connecting member, the seat body having a bottom with a downwardly convex curved bottom surface above the curved upper receiving surface, the seat body being slidably connected to the middle connecting member along the curved direction for adjusting the tilt angle of the seat body relative to the base; the method is characterized in that: the child car safety seat further comprises
The motor is fixedly arranged on the middle connecting piece;
the nut is in transmission connection with the output rotating shaft of the motor;
the nut is sleeved on the screw and is in threaded fit connection with the screw;
one end of the connecting rod is pivotally connected with the screw rod through a first connecting rod rotating shaft, and the other end of the connecting rod is pivotally connected with the seat body through a second connecting rod rotating shaft;
when the motor drives the nut to rotate, the nut moves along the axis direction of the screw rod to drive the connecting rod to swing, so that the seat body slides along the arc direction relative to the middle connecting piece.
16. The child car safety seat according to claim 15, wherein: the middle connecting piece is provided with an arc-shaped guide groove, the arc-shaped guide groove is provided with a front limiting blocking wall and a rear limiting blocking wall, a guide pin is fixed on the seat body, and the guide pin is inserted into the guide groove; when the motor drives the nut to rotate, the guide pin slides between the front limit stop wall and the rear limit stop wall along the arc-shaped guide groove.
17. The child car safety seat according to claim 16, wherein: the arc-shaped guide grooves are respectively a front arc-shaped guide groove and a rear arc-shaped guide groove, the number of the guide pins is two, the guide pins are respectively a front guide pin and a rear guide pin, the front guide pin is inserted into the front arc-shaped guide groove, and the rear guide pin is inserted into the rear arc-shaped guide groove.
18. The child car safety seat according to claim 15, wherein: the screw rod on be provided with radial convex second ear, second ear relative the screw rod be in screw rod axial direction on the position keep unchangeable, the lower tip of connecting rod pass through the first pivot of connecting rod with second ear looks pivotal connection, the upper end of connecting rod pass through connecting rod second pivot with seat body looks pivotal connection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022107689005 | 2022-06-30 | ||
| CN202210768900 | 2022-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115257481A true CN115257481A (en) | 2022-11-01 |
Family
ID=83764903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210823715.1A Pending CN115257481A (en) | 2022-06-30 | 2022-07-13 | Automobile safety seat for children |
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| Country | Link |
|---|---|
| CN (1) | CN115257481A (en) |
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| US20030160486A1 (en) * | 2002-02-11 | 2003-08-28 | Dukes David N. | Motorized remote controlled reclining child safety car seat |
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| CN110214094A (en) * | 2017-01-31 | 2019-09-06 | 罗伯特·博世有限公司 | The children's seat that can electrically adjust shifting especially for being fixed on automobile seat |
| CN110861545A (en) * | 2019-11-21 | 2020-03-06 | 安徽省阜阳市好希望工贸有限公司 | Adjusting device of child safety seat |
| CN113119819A (en) * | 2019-12-30 | 2021-07-16 | 阿柚科技(宁波)有限公司 | Seat pocket angle adjusting device and child safety seat using same |
| CN216401221U (en) * | 2021-10-14 | 2022-04-29 | 好孩子儿童用品有限公司 | Automobile safety seat for children |
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2022
- 2022-07-13 CN CN202210823715.1A patent/CN115257481A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995026279A1 (en) * | 1994-03-25 | 1995-10-05 | Klippan Safety Ab | A child's safety seat |
| US5810436A (en) * | 1996-06-28 | 1998-09-22 | Ampafrance S.A. | Child seat with a tiltable back |
| US20030160486A1 (en) * | 2002-02-11 | 2003-08-28 | Dukes David N. | Motorized remote controlled reclining child safety car seat |
| JP2007246061A (en) * | 2006-02-16 | 2007-09-27 | Leaman Kk | Child seat |
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| CN216401221U (en) * | 2021-10-14 | 2022-04-29 | 好孩子儿童用品有限公司 | Automobile safety seat for children |
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