CN107253457B - Base of children car seat and children car seat - Google Patents
Base of children car seat and children car seat Download PDFInfo
- Publication number
- CN107253457B CN107253457B CN201710492817.9A CN201710492817A CN107253457B CN 107253457 B CN107253457 B CN 107253457B CN 201710492817 A CN201710492817 A CN 201710492817A CN 107253457 B CN107253457 B CN 107253457B
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- China
- Prior art keywords
- seat
- base
- base body
- locking
- angle adjusting
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Classifications
-
- 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
- B60N2/2827—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part part of the base being supported by the seat sub-frame
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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
- B60N2/2875—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle inclinable, as a whole or partially
- B60N2/2878—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle inclinable, as a whole or partially the back-rest being inclinable
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a base of a child car seat and the child car seat, wherein the base comprises a base body for installing a seat and an angle adjusting seat which is connected with the base body in a relatively rotating or sliding manner, a locking mechanism for locking the base body and the angle adjusting seat is arranged between the base body and the angle adjusting seat, the locking mechanism comprises a gravity hammer rod, a connecting rod and a locking seat, the upper end of the gravity hammer rod is pivotally connected to the base body, the connecting rod extends along the up-down direction, the lower end of the gravity hammer rod is pivotally connected to the angle adjusting seat and can swing back and forth, the locking seat is connected with the base body, the up-down position of the locking seat is adjustably arranged on the connecting rod, the lower end of the gravity hammer rod is provided with a locking part, and the locking seat is provided with a matching part matched with the locking part. When the child car seat is mounted on the car seat, the driving device drives the lock seat to move up and down along the connecting rod, so that the base body and the angle adjusting seat can be turned relatively in the front-back direction, and the mounting angle of the base body can be adjusted.
Description
Technical Field
The invention relates to a base of a child car seat and the child car seat.
Background
Child car seats are widely used because they can provide safety for children when riding. In the prior art, a child car seat generally includes a base mounted on a car seat, a seat for providing seating for a child, and the angle of the seat is often not adjustable when the seat is mounted on the base. However, due to different designs of automobiles of different types, the inclination angle of the automobile seat and the horizontal plane is also different, so that when the automobile seat for children is mounted on different automobile seats, the inclination angle of the backrest relative to the horizontal plane is also different, and the child sitting in the seat cannot lean against and sit at the originally designed comfort angle, so that riding comfort of the child is greatly reduced.
Disclosure of Invention
The invention aims to provide a base of a child car seat, which can conveniently adjust the installation angle when being installed on the car seat, so that the backrest inclination angle of the seat can be adjusted to a preset inclination state, and the riding comfort of a child is improved.
In order to achieve the above purpose, the invention adopts the following technical scheme: the base of the children automobile seat comprises a base body for installing a seat, an angle adjusting seat which is arranged at the rear part of the base body and forms a support under the rear part of the base body, the angle adjusting seat can relatively rotate or relatively slide and is connected with the base body, when the base is in a working position, the included angle between the bottom surface of the base body and the horizontal plane is a preset value, a locking mechanism for locking the angle adjusting seat and the base body and locking the base in the working position is also arranged between the angle adjusting seat and the base body,
the locking mechanism comprises a gravity hammer rod extending in the up-down direction, a connecting rod, a lock seat, a locking part and a locking part, wherein the upper end part of the gravity hammer rod is pivotally connected to the base body, the lower end part of the connecting rod is pivotally connected to the angle adjusting seat, the connecting rod can swing back and forth, the lock seat is connected with the base body, the up-down position of the lock seat is adjustably arranged on the connecting rod, the lower end part of the gravity hammer rod is provided with the locking part, the lock seat is provided with a matching part matched with the locking part, the locking mechanism is provided with a locking state and an unlocking state, and when the locking mechanism is in the locking state, the locking part is matched with the matching part for locking; when the locking mechanism is in an unlocked state, the locking portion and the mating portion are disengaged from each other.
Preferably, the base body is fixedly connected with a connecting seat, and the lock seat is arranged on the connecting seat and is lifted up and down along the connecting rod.
Further, the connecting rod is a screw rod, and the lock seat is a nut which is connected to the screw rod in a threaded manner and is lifted up and down along the screw rod.
Furthermore, the locking part is a locking groove formed in the lower end part of the gravity hammer rod, and the matching part is a protruding block which is arranged on the outer peripheral part of the nut and can be correspondingly inserted into the locking groove.
Furthermore, the nut can be rotatably connected to the connecting seat around the axis of the nut, an annular flange is arranged on the outer periphery of the lock seat, and a limiting groove for limiting the rotation of the annular flange is formed in the connecting seat.
Still further, the base also comprises a driving device for driving the nut to rotate so as to enable the nut to lift up and down along the screw rod.
Preferably, the driving device comprises a pulling rope with one end wound on the outer circumference of the nut and a pulling assembly for pulling the pulling rope to drive the nut to rotate.
Further, the pulling assembly comprises a tensioning wheel arranged on the base, a rotary handle rotatably arranged on the base, a tensioning rope connected between the tensioning wheel and the rotary handle, and a locking piece used for locking the rotary handle, wherein the pulling rope is tensioned on the tensioning wheel, the other end of the pulling rope is fixed on the base, and one end of the tensioning rope is wound on the rotary handle, and the other end of the tensioning rope is fixed on the tensioning wheel.
Further, the rotating handle is provided with a ratchet part with a ratchet groove on the outer peripheral part, one end of the tensioning rope is wound on the ratchet part, the locking piece comprises a pawl connected with the base in a pivot mode, a torsion spring providing elastic restoring force required by the rotation of the pawl towards the ratchet part, and the pawl is provided with a stop block capable of being inserted into the ratchet groove in a matched mode.
Preferably, the front part of the angle adjusting seat is pivotally connected to the base body, and the base body and the angle adjusting seat are turned relatively in the front-back direction to change the included angle between the bottom surface of the base body and the horizontal plane.
Preferably, the front part of the angle adjusting seat is connected to the base body in a relatively sliding manner along the up-down direction, the base body and the angle adjusting seat slide relatively, and the base body overturns relative to the angle adjusting seat along the front-back direction to change the included angle between the bottom surface of the base body and the horizontal plane.
Another object of the present invention is to provide a child car seat having the above base.
In order to achieve the above purpose, the invention adopts the following technical scheme: the automobile seat for children comprises the base and the seat fixedly arranged on the base, wherein the seat is at least provided with a backrest which extends obliquely and can lean against, and when the automobile seat is in the working position, the included angle between the extending direction of the backrest and the vertical plane is another preset value.
Preferably, the seat is an infant carrier, and the backrest is gradually declined from front to back.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: when the child car seat is mounted on the car seat, the lock seat is driven to move up and down along the connecting rod, so that the mounting angle of the base body can be adjusted by relatively turning the base body and the angle adjusting seat along the front-back direction, and when the base is adjusted to a preset working position, the gravity hammer rod and the lock seat are automatically matched and locked, and therefore the child car seat can be mounted and used on the car seat at the designed mounting position and angle, and riding comfort of children is improved. The installation and adjustment operation of the base are very convenient and quick, so that the daily use of a user is facilitated, and meanwhile, the riding comfort level of children is greatly improved.
Drawings
FIG. 1 is a schematic view showing the overall structure of a child car seat according to embodiment 1 in an initial state when mounted on a car seat;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view of the child car seat of FIG. 1 in an overall configuration locked in an operative position;
FIG. 4 is an enlarged schematic view of portion B of FIG. 3;
FIG. 5 is a schematic diagram of the working principle of the driving device on the child car seat of FIG. 1;
FIG. 6 is an enlarged schematic view of the cross-sectional structure taken along M-M in FIG. 5;
FIG. 7 is a partial view showing the internal structure of the child car seat of FIG. 1;
fig. 8 is a schematic view showing the overall structure of the child car seat of embodiment 2 in an initial state when mounted on the car seat;
FIG. 9 is an enlarged schematic view of portion C of FIG. 8;
FIG. 10 is a schematic view of the child car seat of FIG. 8 locked in an operative position;
FIG. 11 is an enlarged schematic view of portion D of FIG. 10;
wherein: 10. a base; 20. a seat; 201. a backrest; 30. an automobile seat; 40. automobile backrest;
1. a base body; 11. a bottom surface; 12. a connector; 2. an angle adjusting seat;
3. a first shaft; 4. a gravity hammer lever; 41. a second shaft; 42. a locking portion (locking groove);
5. a connecting rod; 51. a third shaft; 6. a lock base; 61. mating parts (bumps); 62. an annular flange;
7. a connecting seat; 71. a limit groove;
8. a driving device; 81. pulling the rope; 82. a tensioning wheel; 83. rotating the handle; 831. a ratchet part; 832. ratchet tooth slot; 833. a rotation shaft; 84. a pawl; 841. a stop block; 842. a pin shaft; 85. a torsion spring; 86. tensioning the rope.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Referring to fig. 1 to 7, the child car seat comprises a base 10 for being mounted on a car seat 30, and a seat 20 fixed on the base 10 for sitting and standing a child, wherein the seat 20 is provided with at least a backrest 201 which extends obliquely and can be leaned against. The base 10 is mounted on the car seat 30 with an adjustable angle such that the angle of inclination of the back 201 of the seat 20 is adjusted accordingly, thereby enabling the back 201 to provide a child sitting on the seat 20 with a comfortable angle of inclination to lean against.
Referring to fig. 1 to 7, the base 10 includes a base body 1, an angle adjusting seat 2 provided at the rear of the base body 1 and formed to be supported below the rear of the base body 1, the front of the angle adjusting seat 2 being pivotally connected to the base body 1 by a first shaft 3, the axis of the first shaft 3 extending in a horizontal left-right direction such that the base body 1 and the angle adjusting seat 2 can be relatively flipped around the axis of the first shaft 3 in a front-rear direction. When the base 10 is mounted on the automobile seat 30, the adjustment of the mounting angle of the base 10 can be achieved by adjusting the relative turning angle between the base body 1 and the angle adjusting seat 2 in the front-rear direction, so that the inclination angle of the backrest 201 is correspondingly adjusted.
In this embodiment, the child car seat is mounted on the car seat 30, and the base 10 has a preset working position, and in this working position, the included angle between the bottom surface 11 of the base body 1 for supporting on the car seat 30 and the horizontal plane should reach a preset value; the angle between the inclined extending direction of the backrest 201 and the vertical plane correspondingly reaches another preset value, which is the preset inclination angle of the backrest 201 when the child sits on the child car seat and can be leaned comfortably. Therefore, in the process of adjusting the base 10, the included angle between the bottom surface 11 of the bottom surface body 1 and the horizontal plane reaches the preset value, so that the adjustment of the installation state of the entire child car seat on the car seat 30 can be realized.
As shown in fig. 1 to 7, a locking mechanism for locking the base 10 in the above-described working position is provided between the base body 1 and the angle adjustment seat 2. The locking mechanism comprises a connecting rod 5 extending along the up-down direction, and a lock seat 6 with the up-down position being adjustably arranged on the connecting rod 5, wherein the lower end part of the connecting rod 5 is pivotally connected to the angle adjusting seat 2 through a third shaft 51, the axial lead of the third shaft 51 is parallel to the axial lead of the first shaft 3, and the connecting rod 5 can swing back and forth around the third shaft 51 relative to the angle adjusting seat 2. The lock seat 6 is connected with the base body 1, so that the base body 1 and the angle adjusting seat 2 can be driven to turn around the first shaft 3 relatively when the connecting rod 5 swings back and forth and the lock seat 6 is adjusted along the upper and lower positions of the connecting rod 5.
Referring to fig. 1 to 7, the locking mechanism further includes a gravity hammer lever 4 extending in the up-down direction, and an upper end portion of the gravity hammer lever 4 is pivotally connected to the base body 1 by a second shaft 41. The lower end of the gravity hammer lever 4 is provided with a locking part, and the lock seat 6 is provided with a matching part matched with the locking part. The locking mechanism is provided with a locking state and an unlocking state, and when the locking mechanism is in the locking state, the locking part and the matching part are matched and locked; when the locking mechanism is in an unlocking state, the locking part and the matching part are separated from each other.
Referring to fig. 1 to 7, in this embodiment, the connecting rod 5 is a screw rod, and the lock base 6 is a nut screwed on the screw rod 5 to be able to be lifted up and down along the screw rod. The base body 1 is fixedly provided with a connecting seat 7, and the nut 6 is rotatably arranged on the connecting seat 7 around the axis of the nut 6. Here, an annular flange 62 is provided on the outer peripheral portion of the upper end of the nut 6, and a limit groove 71 for limiting rotation of the annular flange 62 is provided on the coupling seat 7.
The locking part is a locking groove 42 formed on the lower end part of the gravity hammer lever 4, and the matching part is a protruding block 61 which is arranged on the outer peripheral part of the nut 6 and can be correspondingly inserted into the locking groove 42. When the projection 61 is inserted into the lock groove 42 correspondingly, the nut 6 and the weight hammer lever 4 are locked to each other, so that the locking mechanism is locked; when the locking mechanism is unlocked, the tab 61 and the locking groove 42 are disengaged from each other.
Referring to fig. 1 to 6, the base 10 further includes a driving device 8 for driving the nut 6 to rotate to lift up and down along the screw 5. When the installation angle of the base 10 on the automobile seat 30 needs to be adjusted, the nut 6 is driven to move up and down along the screw 5 only by the driving device 8, the base body 1, the angle adjusting seat 2 and the screw 5 can be driven to rotate correspondingly, and the gravity hammer rod 4 only moves in a front-back direction and a vertical direction correspondingly under the action of gravity of the gravity hammer rod 4 when the base body 1 moves; when the nut 6 moves to a specific position, the projection 61 on the nut 6 is automatically snapped into the locking groove 42 at the lower end of the weight lever 4 to lock the nut 6 and the weight lever 4 to each other, and the base 10 is automatically adjusted to the working position.
As shown in fig. 1 to 7, the driving device 8 includes a pulling rope 81 having one end wound around the outer peripheral portion of the nut 6, and a pulling assembly for pulling the pulling rope 81 to rotate the nut 6. Referring to fig. 5, the pulling assembly includes a tension pulley 82 provided on the base 10, a rotation handle 83 rotatably provided on the base 10, a tension rope 86 connected between the tension pulley 82 and the rotation handle 83, a locking member for locking the rotation handle 83, and a pulling rope 81 which is tensioned on an outer peripheral portion of the tension pulley 82 and has the other end fixedly connected to the base 10, one end of the tension rope 86 being fixed to the tension pulley 82 and the other end being wound around the rotation handle 83.
In this embodiment, the base 10 further includes two sets of connectors 12 located on the left and right sides thereof for connection with the automobile seat 30, the connectors 12 and the base body 1 are slidably disposed in the front-rear direction, the other end portion of the pulling rope 81 is formed of two supporting ropes 81a, 81b, and the two supporting ropes 81a, 81b are fixedly connected with the connectors 12 on both sides, respectively. Like this, make take-up pulley 82 will pull rope 81 tensioning and make it drive nut 6 relative screw rod 5 rotation and follow screw rod 5 up-and-down motion, until nut 6 and the locking of cooperation of gravity hammer stem 4, alright realize the regulation to base 10 installation angle, still realized the regulation and the locking of base 10 on the automobile seat 30 front and back position simultaneously, realized the taut function of locking of a key for children's automobile seat's installation, adjustment are more convenient and fast.
Specifically, referring to fig. 5, a rotating handle 83 is pivotally coupled to the base 10 by a rotating shaft 833, and the end of the rotating handle 83 for pivotal coupling to the base 10 has a ratchet portion 831, and a plurality of ratchet grooves 832 are provided at intervals on an outer peripheral portion of the ratchet portion 831. The locking member for locking the rotary handle 83 includes a pawl 84 pivotally connected to the base 10 by a pin 842, a torsion spring 85 for providing a resilient restoring force required for rotation of the pawl 84 toward the ratchet portion 831, and a stopper 841 provided on an outer end portion of the pawl 84 to be fittingly inserted into the ratchet slot 832.
Specifically, the ratchet grooves 831 and the stopper 841 are configured to be automatically locked when the rotary knob 83 is rotated in one direction, that is, as shown in fig. 5, the stopper 841 of the pawl 84 is automatically disengaged from the ratchet grooves 832 and slid along the outer peripheral portion thereof when the rotary knob 83 is rotated and pushed down, and the stopper 841 of the pawl 84 is automatically engaged in the ratchet grooves 832 when the rotary knob is stopped and the rotary knob 83 is locked. In this way, when the rotary handle 83 is rotated, the tensioning rope 86 is wound on the rotary handle 83, so that the tensioning wheel 82 tensions the traction rope 81 to drive the nut 6 to rotate relative to the screw 5 until the nut 6 is matched with the gravity hammer lever 4 to lock, and the installation angle of the base 10 is adjusted.
Referring to fig. 1 to 4, in the child car seat of the present embodiment, the seat 20 is a baby carrier fixedly mounted on the base 10, and the carrier is reversely fixedly mounted on the base 10, that is, the backrest 201 of the seat 20 is gradually inclined downward from front to rear, and the child sits in the carrier while facing the car backrest 40. In mounting the base 10 to the car seat 30, the mounting of the base 10 and the inclination angle adjustment of the backrest 201 can be specifically achieved as follows:
referring to fig. 1 and 2, the child car seat is first placed on the car seat 30, the base body 1 and the angle adjusting seat 2 are supported on the car seat 30 together, the locking mechanism is in an unlocked state, and the gravity hammer lever 4 and the nut 6 are disengaged from each other. After the connectors 12 on the left and right sides of the base 10 are respectively connected with the interfaces on the automobile seat 30, the rotary handle 83 is rotated and pressed down, so that one end of the tensioning rope 86 is gradually wound on the rotary handle 83 to drive the base body 1 to move backwards, and the pulling rope 81 is tensioned to drive the nut 6 to rotate relative to the screw 5 and move downwards along the screw 5.
When the nut 6 moves downwards along the screw 5, the screw 5 is driven to swing forwards around the third shaft 51 relative to the angle adjusting seat 2, and meanwhile, the base body 1 and the angle adjusting seat 2 are turned around the first shaft 3 relatively in the front-back direction; in this process, the gravity hammer lever 4 makes translational movement in the front-rear direction and the up-down direction only with the turning movement of the base body 1 due to the effect of its own gravity.
After the nut 6 rotates until the protrusion 61 on the outer periphery thereof is clamped into the locking groove 42 on the lower end portion of the gravity hammer rod 4, the rotating handle 83 is continuously pressed down, the protrusion 61 and the locking groove 42 are mutually embedded to enable the nut 6 and the gravity hammer rod 4 to slightly swing synchronously until the nut 6 and the gravity hammer rod 4 are mutually locked, and the base body 1 and the angle adjusting seat 2 are relatively stable and non-rotatable, as shown in fig. 3 and 4, the locking mechanism between the base body 1 and the angle adjusting seat 2 is locked, the rotating handle 83 is also locked by the pawl 84, at the moment, the included angle between the bottom surface 11 of the base body 1 and the horizontal plane reaches a preset value, and the inclination angle of the backrest 201 of the seat 20 also reaches another preset value, so that the infant can obtain the leaning experience of the optimal comfort angle. In the above process, the base 10 slides backward relative to the connector 12 to gradually approach the automobile backrest 40, so that the adjustment of the front and rear positions of the base 10 and the one-key tightening of the connector 12 are realized.
When the locking of the locking mechanism needs to be released, the locking of the rotating handle 83 is released, then the tensioning rope 86 is released, then the pulling rope 81 is released, the nut 6 moves upwards along the screw 5, the base body 1 and the angle adjusting seat 2 correspondingly swing around the first shaft 3 back and forth, the gravity hammer rod 4 is driven to translate, the protrusion 61 on the nut 6 is gradually separated from the locking groove 42 at the lower end part of the gravity hammer rod 4, and the unlocking of the locking mechanism is realized.
Example 2
Referring to fig. 8 to 11, the child car seat has a structure substantially the same as that of embodiment 1, and a main difference is that in this embodiment, the front portion of the angle adjustment seat 2 is relatively slidably attached to the base body 1 in the up-down direction. When the installation angle of the base 10 is adjusted, the base body 1 and the angle adjusting seat 2 slide relatively, and the base body 1 overturns relative to the angle adjusting seat 2 along the front-back direction, so that the included angle between the bottom surface 11 of the base body 1 and the horizontal plane is changed.
In summary, when the automobile seat is mounted on the automobile seat 30, the automatic adjustment of the base angle and the one-key locking mounting can be realized only by pressing the rotating handle 83, meanwhile, the mounting angle of the base 10 cannot be affected by the self-tilting angle of the automobile seat 30 to change the mounting state, and the backrest 201 of the seat 20 can also be leaned on by a child in a preset most comfortable mounting state to provide the child with the most comfortable riding experience. The whole installation process is simple and quick, and the daily use and installation of the user are facilitated.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (13)
1. The utility model provides a children's car seat's base, includes the base body that is used for installing the seat, locates base body rear portion and be in the angle modulation seat that the rear portion below of base body formed the support, its characterized in that: the angle adjusting seat can relatively rotate or relatively slide to be connected with the base body, when the base is in a working position, the included angle between the bottom surface of the base body and the horizontal plane is a preset value, a locking mechanism for locking the angle adjusting seat and the base body and locking the base in the working position is also arranged between the angle adjusting seat and the base body,
the locking mechanism comprises a gravity hammer rod extending in the up-down direction, a connecting rod, a lock seat, a locking part and a locking part, wherein the upper end part of the gravity hammer rod is pivotally connected to the base body, the lower end part of the connecting rod is pivotally connected to the angle adjusting seat, the connecting rod can swing back and forth, the lock seat is connected with the base body, the up-down position of the lock seat is adjustably arranged on the connecting rod, the lower end part of the gravity hammer rod is provided with the locking part, the lock seat is provided with a matching part matched with the locking part, the locking mechanism is provided with a locking state and an unlocking state, and when the locking mechanism is in the locking state, the locking part is matched with the matching part for locking; when the locking mechanism is in an unlocking state, the locking part and the matching part are separated from each other, and in the process of the movement of the base body relative to the angle adjusting seat, the gravity hammer rod only moves in a translational manner along with the base body in the front-back direction and the up-down direction under the action of self gravity.
2. A child car seat base according to claim 1, wherein: the base body is fixedly connected with a connecting seat, and the lock seat is arranged on the connecting seat and is lifted up and down along the connecting rod.
3. A child car seat base according to claim 2, wherein: the connecting rod is a screw rod, and the lock seat is a nut which is connected to the screw rod in a threaded manner and is lifted up and down along the screw rod.
4. A child car seat base according to claim 3, wherein: the locking part is a locking groove formed in the lower end part of the gravity hammer rod, and the matching part is a protruding block which is arranged on the outer peripheral part of the nut and can be correspondingly inserted into the locking groove.
5. A child car seat base according to claim 3, wherein: the nut can be connected on the connecting seat in a rotating way around the self axis, an annular flange is arranged on the outer side periphery of the lock seat, and a limiting groove for limiting the rotation of the annular flange is formed in the connecting seat.
6. A child car seat base according to claim 3, wherein: the base also comprises a driving device for driving the nut to rotate so as to enable the nut to lift up and down along the screw rod.
7. The child car seat base according to claim 6, wherein: the driving device comprises a traction rope and a traction assembly, wherein one end of the traction rope is wound on the outer peripheral part of the nut, and the traction assembly is used for pulling the traction rope to enable the traction rope to drive the nut to rotate.
8. The child car seat base according to claim 7, wherein: the traction assembly comprises a tensioning wheel arranged on the base, a rotary handle rotatably arranged on the base, a tensioning rope connected between the tensioning wheel and the rotary handle and a locking piece used for locking the rotary handle, wherein the traction rope is tensioned on the tensioning wheel, the other end of the traction rope is fixed on the base, and one end of the tensioning rope is wound on the rotary handle, and the other end of the tensioning rope is fixed on the tensioning wheel.
9. The child car seat base of claim 8, wherein: the rotary handle is provided with a ratchet part with ratchet grooves on the outer peripheral part, one end of the tensioning rope is wound on the ratchet part, the locking piece comprises a pawl which is connected with the base in a pivot mode, a torsion spring which provides elastic restoring force required by the rotation of the pawl towards the ratchet part, and the pawl is provided with a stop block which can be inserted into the ratchet grooves in a matched mode.
10. A child car seat base according to claim 1, wherein: the front part of the angle adjusting seat is pivotally connected to the base body, and the base body and the angle adjusting seat are turned over relatively along the front-back direction to change the included angle between the bottom surface of the base body and the horizontal plane.
11. A child car seat base according to claim 1, wherein: the front part of the angle adjusting seat can be connected to the base body in a relatively sliding manner along the up-down direction, the base body and the angle adjusting seat relatively slide, and the base body relatively overturns along the front-back direction relative to the angle adjusting seat so as to change the included angle between the bottom surface of the base body and the horizontal plane.
12. A child car seat, characterized in that: a vehicle seat comprising a base according to any one of claims 1 to 11, a seat fixedly mounted on the base, the seat having at least a backrest extending obliquely for leaning against, the angle between the direction of extension of the backrest and the vertical plane being another preset value when the vehicle seat is in the operating position.
13. A child car seat according to claim 12, wherein: the seat is a baby basket, and the backrest is gradually declined from front to back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710492817.9A CN107253457B (en) | 2017-06-26 | 2017-06-26 | Base of children car seat and children car seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710492817.9A CN107253457B (en) | 2017-06-26 | 2017-06-26 | Base of children car seat and children car seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107253457A CN107253457A (en) | 2017-10-17 |
| CN107253457B true CN107253457B (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710492817.9A Active CN107253457B (en) | 2017-06-26 | 2017-06-26 | Base of children car seat and children car seat |
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| CN (1) | CN107253457B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297748A (en) * | 2017-12-08 | 2018-07-20 | 好孩子儿童用品有限公司 | Automobile seat for child |
| CN110001468A (en) * | 2018-01-05 | 2019-07-12 | 大一其株式会社 | Children car seat with seat rotation function |
| CN108394320A (en) * | 2018-03-29 | 2018-08-14 | 好孩子儿童用品有限公司 | A kind of automobile seat for child |
| CN109606021B (en) * | 2018-11-21 | 2024-06-04 | 好孩子儿童用品有限公司 | Locking mechanism, wheel locking mechanism and child cart with wheel locking mechanism |
| CN109624804B (en) * | 2019-02-02 | 2024-03-01 | 昆山好的婴童用品有限公司 | Automobile seat for children |
| CN115447454A (en) * | 2022-09-19 | 2022-12-09 | 好孩子儿童用品有限公司 | Automobile safety seat |
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| JPH0986244A (en) * | 1995-09-25 | 1997-03-31 | Chuo Spring Co Ltd | Seat folding device for automobile |
| CN203528337U (en) * | 2013-09-09 | 2014-04-09 | 好孩子儿童用品有限公司 | Base angle adjustment mechanism for child car base |
| CN204623217U (en) * | 2015-04-23 | 2015-09-09 | 好孩子儿童用品有限公司 | Child safety seat for automobiles |
| DE202016104181U1 (en) * | 2016-07-29 | 2016-08-10 | Cybex Gmbh | Child seat for attachment to a motor vehicle |
| CN207106256U (en) * | 2017-06-26 | 2018-03-16 | 好孩子儿童用品有限公司 | The base and automobile seat for child of automobile seat for child |
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2017
- 2017-06-26 CN CN201710492817.9A patent/CN107253457B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0986244A (en) * | 1995-09-25 | 1997-03-31 | Chuo Spring Co Ltd | Seat folding device for automobile |
| CN203528337U (en) * | 2013-09-09 | 2014-04-09 | 好孩子儿童用品有限公司 | Base angle adjustment mechanism for child car base |
| CN204623217U (en) * | 2015-04-23 | 2015-09-09 | 好孩子儿童用品有限公司 | Child safety seat for automobiles |
| DE202016104181U1 (en) * | 2016-07-29 | 2016-08-10 | Cybex Gmbh | Child seat for attachment to a motor vehicle |
| CN207106256U (en) * | 2017-06-26 | 2018-03-16 | 好孩子儿童用品有限公司 | The base and automobile seat for child of automobile seat for child |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107253457A (en) | 2017-10-17 |
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