CN115123034B - Child safety seat with leg clamping prevention function and control method - Google Patents
Child safety seat with leg clamping prevention function and control method Download PDFInfo
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- CN115123034B CN115123034B CN202211023978.0A CN202211023978A CN115123034B CN 115123034 B CN115123034 B CN 115123034B CN 202211023978 A CN202211023978 A CN 202211023978A CN 115123034 B CN115123034 B CN 115123034B
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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
- 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
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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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 utility model particularly discloses a child safety seat with a leg clamping prevention function and a control method. The child safety seat with the leg clamping prevention function comprises a seat part and a base, and further comprises a controller, wherein the seat part comprises a first area, and the first area is provided with a leg clamping prevention mechanism. In the control method of the child safety seat with the leg clamping prevention function, when a child is positioned on the child safety seat, if the legs of the child are clamped in the front-back adjustment or rotation adjustment process of the seat part, a sensor transmits leg clamping signals to a controller, and the controller controls the front-back adjustment device or the rotation adjustment device to stop and/or reset. The utility model aims to provide a child safety seat with a leg clamping prevention mechanism and a control method, which can prevent legs of a child from being clamped during front-back adjustment or rotation adjustment of the seat.
Description
Technical Field
The utility model relates to the technical field of seats, in particular to a child safety seat with a leg clamping prevention function and a control method.
Background
The child car safety seat is specially designed for children with different weights (or age groups), is installed in a car, can effectively improve the safety of riding a car by children, is popular and is fixedly installed in the car along with gradual improvement of the safety consciousness of people on the car.
The infant has the advantages that the infant has insufficient bone development, the sternum rib is softer, the seat is required to be installed reversely, after the infant grows up, the seat is required to be installed positively due to the change of the body type, and the disassembly and the installation process of the seat are very complicated; in addition, when the child is held away from the child safety seat, a person outside the vehicle needs to bend over to a large extent to hold the child on the child car safety seat, and the child safety seat has a rotation adjusting function and can improve the use condition; when the child uses the safety seat, the child safety seat is required to have a front-back adjusting function according to different states of the child such as different ages, body types, waking, sleeping and the like, the requirement on use comfort and the like.
In the prior art, such as CN216033940U, the utility model provides an automatic shift child safety seat comprising a base, a seat portion; the rotary stepping motor is fixedly arranged on the base, the rotary stepping motor is connected with a rotary pinion, the rotary pinion is meshed with an inner gear ring of a rotary large gear disk taking the ball head jack as a central axis, the rotary large gear disk is connected under a rotary disk seat in a hanging manner through a connecting column, the ball head jack is connected with the center of the rotary disk seat in a propping manner, a fixed seat is fixedly arranged on the rotary disk seat, a feeding stepping motor is arranged on the fixed seat, the feeding stepping motor drives a feeding gear, the feeding gear is meshed with a driving toothed plate arranged below and behind a supporting seat part, the seat part is arranged above the rotary disk seat, four guide grooves in the front and rear directions are symmetrically formed in the seat part at the positions of four corners of a rectangle through the central axis, more than four guide columns which are correspondingly connected in the four guide grooves in a penetrating manner are arranged on the rotary disk seat, a groove cover body corresponding to the radian of the guide grooves is connected on each two guide columns on the same side of the central axis through bolts in a locking manner, and the seat part is in a state of being capable of moving forwards and backwards in a limiting space through the groove cover body and the rotary disk seat.
The child safety seat has a rotation adjusting function and a front-rear adjusting function, but does not have a leg clamping preventing function, and the legs of the child are easily clamped when the child safety seat is adjusted front-rear or rotated.
Disclosure of Invention
The utility model aims to provide a child safety seat with a leg clamping prevention mechanism and a control method, which can prevent legs of a child from being clamped during front-back adjustment or rotation adjustment of the seat.
The present utility model provides a child safety seat comprising: a seat portion mounted on the base; the child safety seat is characterized by further comprising a controller, wherein the controller is used for controlling the front-back adjusting mechanism and the rotation adjusting mechanism to work; the seat portion includes a first region for a child to rest on the leg; the first area is provided with an anti-clamping leg mechanism, and the anti-clamping leg mechanism comprises a pressing mechanism and a sensor; the pressing mechanism is connected with a sensor, and the sensor is in signal connection with the controller; the pushing mechanism is used for touching the sensor; the sensor is used for transmitting the leg clamping signals to the controller; the seat part is provided with a groove, and the groove is positioned in the first area; the pressing mechanism and the sensor are positioned at the groove; the pushing mechanism comprises a cover body and an elastic piece; the cover body part is positioned in the groove, and the cover body can slide in the groove; the elastic piece is positioned between the cover body and the groove.
According to the child safety seat provided by the utility model, the first area of the seat part of the child safety seat is used for placing legs of a child, the first area is provided with the leg clamping prevention mechanism, and when the legs of the child are clamped, the leg clamping signals can be triggered; the sensor is connected with the controller signal, and the sensor is used for transmitting the clamp leg signal to the controller, and when touching the clamp leg signal, front and back adjustment mechanism and rotation control mechanism stop work, can avoid children's shank injury.
In some embodiments, the grooves include a first groove and a second groove, the first groove and the second groove being symmetrically disposed in the first region; the pressing mechanism comprises a first pressing mechanism and a second pressing mechanism; the sensor comprises a first sensor and a second sensor; the first pressing mechanism and the first sensor are positioned at the first groove; the second pressing mechanism and the second sensor are positioned at the second groove.
In some embodiments, the first depressing mechanism includes a first cover and a first resilient member; the second pressing mechanism comprises a second cover body and a second elastic piece; the first elastic piece is positioned between the first cover body and the first groove; the second elastic piece is positioned between the second cover body and the second groove.
In some embodiments, the resilient member comprises at least two spring posts.
In some embodiments, the first cover and the second cover each comprise a first cover, a second cover, and a third cover; the first cover surface is positioned at the upper end of the cover body and is used for bearing the pressure of the legs of the child to the upper end of the first cover body; the second cover surface is positioned on one side of the cover body and used for improving the stability of sliding connection between the cover body and the groove; the third cover surface is positioned on the other side of the cover body and is used for bearing the pressure of the legs of the child to the side face of the first cover body.
In some embodiments, the sensor is a push switch.
In some embodiments, the sensor is a pressure sensor.
The utility model provides a control method for preventing legs from being clamped by a child safety seat, which comprises the steps that when a child is positioned on the child safety seat, if the legs of the child are clamped in the front-back adjustment or rotation adjustment process of a seat part, a sensor transmits leg clamping signals to a controller, and the controller controls a front-back adjustment device or a rotation adjustment device to stop and/or reset.
According to the control method provided by the utility model, when a child is not seated on the child safety seat, the seat part is adjusted back and forth or adjusted rotationally, so that the leg clamping signals cannot be triggered, and false triggering of the leg clamping signals can be avoided; when a child sits on the child safety seat, if the legs of the child are clamped in the front-back adjustment or rotation adjustment process of the seat part, the front-back adjustment device or the rotation adjustment device is stopped and/or reset, and damage to the legs of the child can be avoided.
In some embodiments, when the sensor is a push switch, the sensor transmits a clamp leg signal to the controller if the push switch is triggered.
In some embodiments, when the sensor is a pressure sensor, the pressure sensor has a preset pressure value, and the leg clamping signal is triggered if the pressure value experienced by the pressure sensor exceeds the preset pressure value.
In some embodiments, when the sensor is a pressure sensor, the pressure sensor has an initial pressure value, a preset pressure value of the pressure sensor can be adjusted according to the initial pressure value, and if the pressure value born by the pressure sensor exceeds the preset pressure value, the leg clamping signal is triggered.
In some embodiments, the child safety seat is further provided with a headrest and an inductor, the headrest being connected to the inductor, the inductor being in signal connection with the controller; a headrest for head rest of a child, the headrest being height-adjustable; the sensor is used for identifying the height of the headrest after adjustment and can transmit a height signal to the controller; when the sensor is a pressure sensor, the preset pressure value of the pressure sensor can be adjusted according to the height signal, and if the pressure value born by the pressure sensor exceeds the preset pressure value, the leg clamping signal is triggered.
According to the technical scheme, when the legs of the child are not clamped, the sensor cannot trigger the hairpin leg signals; when the legs of the child are clamped, the sensor can trigger the clamping leg signals, the sensor transmits the clamping leg signals to the controller, and the controller controls the front-back adjusting device or the rotation adjusting device to stop and/or reset.
Drawings
The present disclosure will be described in further detail below in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the present disclosure. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
FIG. 1 is a perspective view of a child safety seat of the present utility model;
FIG. 2 is a perspective view of a seat portion of the present utility model;
FIG. 3 is a perspective view of the seat portion of the present utility model with the leg pinching prevention mechanism removed;
FIG. 4 is a perspective view of the leg pinching prevention mechanism of the present utility model;
FIG. 5 is a cross-sectional view of a seat portion of the present utility model;
FIG. 6 is an enlarged view at A of a cross-sectional view of the seat portion of the present utility model;
fig. 7 is a front view of the first cover of the present utility model;
fig. 8 is a front view of the second cover of the present utility model;
in the figure: 1. a seat part; 2. a base; 3. a front-rear adjusting mechanism; 4. a rotation adjustment mechanism; 5. a first region; 6. a first groove; 7. a second groove; 8. a leg clamping prevention mechanism; 9. a first pressing mechanism; 10. a second pressing mechanism; 11. a first cover; 12. a second cover; 13. a first cover surface; 14. a second cover surface; 15. a third cover surface; 16. a fourth cover surface; 17. a fifth cover surface; 18. a sixth cover surface; 19. a first elastic member; 20. a second elastic member; 21. a first spring post; 22. a second spring post; 23. a third spring post; 24. a fourth spring post; 25. a first sensor; 26. and a second sensor.
Detailed Description
The utility model is described in further detail below with reference to the drawings and detailed description, examples of which are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the utility model to the forms disclosed, as many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, which is a perspective view of a child safety seat of the present utility model, the child safety seat includes: a seat part 1, a base 2, a front-rear adjusting mechanism 3, and a rotation adjusting mechanism 4; the seat part 1 is arranged on the base 2, and the base 2 is provided with a front-back adjusting mechanism 3 and a rotation adjusting mechanism 4; the front-rear adjustment mechanism 3 is used for adjusting the front-rear displacement of the seat part 1; the rotation adjusting mechanism 4 is for adjusting circumferential rotation of the seat portion 1; the child safety seat further includes a controller for controlling the operation of the front-rear adjustment mechanism 3 and the rotation adjustment mechanism 4.
Referring to fig. 2 and 3, there are shown a perspective view of a seat part of the present utility model and a perspective view of the seat part of the present utility model with a leg pinching prevention mechanism removed, respectively, the seat part including a first region 5, the first region 5 being a position where a child sits on a leg, the leg joints of the child at the position of the first region 5 being different for different age groups, the lower legs of the child in infancy and childhood being placed in the first region 5, and the thighs of the child in preschool and school age being placed in the first region 5; the first area 5 is provided with a leg clamping prevention mechanism 8, the seat body is provided with a first groove 6 and a second groove 7, and the first groove 6 and the second groove 7 are positioned in the first area 5.
Referring to fig. 4 to 6, there are shown a perspective view of an anti-pinching leg mechanism, a sectional view of a seat portion, and an enlarged view at a section view of the seat portion, respectively, the anti-pinching leg mechanism 8 includes a first pressing mechanism 9 and a first sensor 25; the first pressing mechanism 9 comprises a first cover body 11 and a first elastic piece 19, the first cover body 11 is matched with the first groove 6, the first cover body 11 is partially positioned in the first groove 6, the first cover body 11 can slide in the first groove 6, the first elastic piece 19 is positioned between the first cover body 11 and the first groove 6, one end of the first elastic piece 19 is connected with the first cover body 11, the other end of the first elastic piece 19 is connected with the first groove 6, and the first elastic piece 19 comprises a first spring column 21 and a second spring column 22; the first sensor 25 is mounted in the first groove 6, the first sensor 25 is in signal connection with the controller, and the first sensor 25 is located between the first cover 11 and the first groove 6.
The leg clamping prevention mechanism 8 further comprises a second pressing mechanism 10 and a second sensor 26; the second pressing mechanism 10 comprises a second cover body 12 and a second elastic member 20, the second cover body 12 is matched with the second groove 7, the second cover body 12 is partially positioned in the second groove 7, the second cover body 12 can slide in the second groove 7, the second elastic member 20 is positioned between the second cover body 12 and the second groove 7, one end of the second elastic member 20 is connected with the second cover body 12, the other end of the second elastic member 20 is connected with the second groove 7, and the second elastic member 20 comprises a third spring column 23 and a fourth spring column 24; the second sensor 26 is mounted in the second groove 7, the second sensor 26 is in signal connection with the controller, and the second sensor 26 is located between the second cover 12 and the second groove 7.
Wherein the first elastic member 19 is capable of supporting the first cover 11 to be reset at the first recess 6 and the second elastic member 20 is capable of supporting the second cover 12 to be reset at the second recess 7 when the legs of the child leave the first area 5; the first sensor 25 and the second sensor 26 are in signal connection with a controller, and the first sensor 25 and the second sensor 26 are capable of transmitting leg clamping signals to the controller.
Referring to fig. 7 and 8, there are shown a front view of a first cover and a front view of a second cover of the present utility model, respectively, wherein the first cover 11 and the second cover 12 are axisymmetrically identical; the first cover 11 includes a first cover 13, a second cover 14, and a third cover 15; the first cover surface 13 is positioned at the upper end of the first cover body 11, the first cover surface 13 is a plane, and the first cover surface 13 is used for bearing the pressure of the legs of the child to the upper end of the first cover body 11; the second cover surface 14 is positioned at one end of the first cover body 11 adjacent to the second cover body 12, the second cover body 12 is a vertical surface, and the second cover surface 14 is used for increasing the stability of sliding connection between the first cover body 11 and the groove; the third cover 15 is located at one end of the first cover 11 away from the second cover 12, the third cover 15 is an inclined plane, and the third cover 15 is used for bearing the pressure of the legs of the child to the side surface of the first cover 11.
The second cover 12 includes a fourth cover 16, a fifth cover 17, and a sixth cover 18; the fourth cover surface 16 is located at the upper end of the second cover body 12, the fourth cover surface 16 is a plane, and the fourth cover surface 16 is used for bearing the pressure of the legs of the child to the upper end of the second cover body 12; the fifth cover surface 17 is positioned at one end of the second cover body 12 adjacent to the first cover body 11, the fifth cover surface 17 is a vertical surface, and the fifth cover surface 17 is used for increasing the stability of sliding connection between the second cover body 12 and the groove; the sixth cover 18 is located at an end of the third cover away from the second cover 12, the sixth cover 18 is a slope, and the sixth cover 18 is configured to bear the pressure of the legs of the child against the side of the second cover 12.
When the child safety seat is adjusted back and forth, the legs of the child are squeezed: the first cover surface 13 is pressed by the legs of the child to the upper end of the first cover body 11, the first cover surface 13 is a plane, and the pressure from the legs of the child can be well borne, so that the first cover body 11 slides downwards in the first groove 6; the fourth cover surface 16 is pressed by the legs of the child to the upper end of the second cover body 12, and the fourth cover surface 16 is a plane, so that the pressure from the legs of the child can be well received, and the second cover body 12 slides downwards in the second groove 7.
When the child safety seat is rotationally adjusted, the legs of the child are squeezed: the third cover surface 15 receives the pressure applied by the legs of the child to the side surface of the first cover body 11, and the third cover surface 15 is an inclined surface, so that the pressure of the side surface of the first cover body 11 can be converted into downward pressure, and the first cover body 11 slides downwards in the first groove 6; the sixth cover surface 18 receives the pressure applied by the legs of the child to the side surface of the second cover body 12, and the sixth cover surface 18 is an inclined surface, so that the pressure on the side surface of the second cover body 12 can be converted into downward pressure, and the second cover body 12 slides downward in the second groove 7.
The control method for the anti-pinch leg of the child safety seat comprises the following steps:
when the child is in the child safety seat, if the legs of the child are clamped during the front-rear adjustment or the rotation adjustment of the seat portion 1, the sensor transmits a leg clamping signal to the controller, and the controller controls the front-rear adjustment device or the rotation adjustment device to stop and/or reset.
When the first sensor 25 and the second sensor 26 are both push switches:
when a child is on the child safety seat, and the legs of the child are not clamped in the front-back adjustment or rotation adjustment process of the seat part 1, the legs of the child apply pressure to the first cover body 11, the first cover body 11 applies pressure to the first elastic piece 19, the first elastic piece 19 deforms after being subjected to the pressure, but the deformed first elastic piece 19 can still support the first cover body 11, and the first cover body 11 and the first sensor 25 keep a certain distance, and the first sensor 25 cannot touch leg clamping signals; the legs of the child apply pressure to the second cover 12, the second cover 12 applies pressure to the second elastic member 20, and the second elastic member 20 deforms after being subjected to pressure, but the deformed second elastic member 20 can still support the second cover 12, and the second cover 12 keeps a certain distance from the second sensor 26, so that the second sensor 26 cannot touch the hairpin leg signal.
When the child is on the child safety seat, and the legs of the child are clamped during the front-back adjustment or the rotation adjustment of the seat part 1, the pressure applied by the legs of the child to the first cover 11 is increased, the deformation of the first elastic piece 19 is increased, the first cover 11 contacts with the first sensor 25 and applies pressure, the first sensor 25 triggers the hairpin leg signal, the first sensor 25 transmits the hairpin leg signal to the controller, and the controller controls the front-back adjustment device or the rotation adjustment device to stop and/or reset; the pressure applied by the legs of the child to the second cover 12 increases, the deformation of the second elastic member 20 increases, the second cover 12 contacts the second sensor 26 and applies pressure, the second sensor 26 triggers the leg clamping signal, the second sensor 26 transmits the leg clamping signal to the controller, and the controller controls the front-rear adjusting device or the rotation adjusting device to stop and/or reset.
When the sensor is a pressure sensor:
scheme one: the pressure sensor has a preset pressure value, and if the pressure value born by the pressure sensor exceeds the preset pressure value, a leg clamping signal is triggered; the preset pressure value refers to a preset pressure value, and if the controller detects that the pressure value born by the pressure sensor exceeds the preset pressure value, the leg clamping signal is triggered.
When a child is positioned on the child safety seat, and the legs of the child are not clamped in the front-back adjustment or rotation adjustment process of the seat part 1, the legs of the child apply pressure to the first cover body 11, the first cover body 11 applies pressure to the first elastic piece 19, the first elastic piece 19 deforms after being subjected to the pressure, the first cover body 11 slides downwards in the first groove 6, the first cover body 11 is not contacted or contacted with the first sensor 25, and the first sensor 25 is not subjected to the pressure or does not reach a preset pressure value, so that a hairpin leg signal can not be touched; the legs of the child apply pressure to the second cover 12, the second cover 12 applies pressure to the second elastic member 20, and the second elastic member 20 deforms after being subjected to pressure, so that the second cover 12 slides downwards in the second groove 7, the second cover 12 is not contacted or contacted with the second sensor 26, and the second sensor 26 is not subjected to pressure or does not reach a preset pressure value, so that the hairpin leg signal cannot be touched.
When a child is positioned on the child safety seat, during the process of front-back adjustment or rotation adjustment of the seat part 1, when the legs of the child are clamped, the pressure applied by the legs of the child to the first cover 11 is increased, the deformation of the first elastic piece 19 is increased, so that the downward sliding amplitude of the first cover 11 in the first groove 6 is increased, the first cover 11 contacts with the first sensor 25, the pressure borne by the first sensor 25 reaches a preset pressure value, a leg clamping signal is triggered, and the front-back adjustment device or the rotation adjustment device is controlled by the controller to stop and/or reset; the pressure exerted by the legs of the child on the second cover body 12 is increased, the deformation of the second elastic piece 20 is increased, the downward sliding amplitude of the second cover body 12 in the second groove 7 is increased, the second cover body 12 is in contact with the second sensor 26, the pressure born by the second sensor 26 reaches a preset pressure value, leg clamping signals are triggered, and the front-back adjusting device or the rotary adjusting device is controlled by the controller to stop and/or reset.
Scheme II: when the sensor is a pressure sensor, the pressure sensor has an initial pressure value, the preset pressure value of the pressure sensor can be adjusted according to the initial pressure value, and if the pressure value born by the pressure sensor exceeds the preset pressure value, a leg clamping signal is triggered; the child safety seat is also provided with a recognizer, the recognizer can recognize whether a child sits on the child safety seat, when the recognizer recognizes that the child sits on the child safety seat, the controller reads the numerical value of the pressure sensor once every three seconds, reads the numerical value for three times and takes an average value to record as an initial pressure value, and when the recognizer recognizes that the child leaves the child safety seat, the initial pressure value is cleared; the preset pressure value is the initial pressure value plus one to six kilograms, the preset pressure value of children with zero to six months is the initial pressure value plus one to two kilograms, the preset pressure value of children with six to twelve months is the initial pressure value plus two to four kilograms, and the preset pressure value of children with more than twelve months is the initial pressure value plus four to six kilograms.
When a child is on the child safety seat, the legs of the child apply pressure to the first cover 11, the first cover 11 applies pressure to the first elastic piece 19, the first elastic piece 19 deforms after being subjected to pressure, so that the first cover 11 slides downwards in the first groove 6, the first cover 11 contacts with the first sensor 25, the controller records an initial pressure value of the legs of the child borne by the first cover 11, and the preset pressure value is adjusted according to the initial pressure value; the legs of the child apply pressure to the second cover 12, the second cover 12 applies pressure to the second elastic member 20, the second elastic member 20 deforms after being subjected to pressure, so that the second cover 12 slides downwards in the first groove 6, the second cover 12 contacts with the second sensor 26, the controller records an initial pressure value of the legs of the child borne by the second cover 12, and the preset pressure value is adjusted according to the initial pressure value.
When a child is positioned on the child safety seat, and the legs of the child are not clamped in the front-back adjustment or rotation adjustment process of the seat part 1, the legs of the child apply pressure to the first cover body 11, the first cover body 11 applies pressure to the first elastic piece 19, the first elastic piece 19 deforms after being subjected to the pressure, the first cover body 11 slides downwards in the first groove 6, the first cover body 11 contacts with the first sensor 25, and the pressure applied by the first sensor 25 does not reach a preset pressure value, so that a leg clamping signal cannot be touched; the legs of the child apply pressure to the second cover body 12, the second cover body 12 applies pressure to the second elastic piece 20, the second elastic piece 20 deforms after being subjected to pressure, so that the second cover body 12 slides downwards in the second groove 7, the second cover body 12 is contacted with the second sensor 26, and the pressure applied by the second sensor 26 does not reach a preset pressure value, so that a hairpin leg signal can not be touched.
When a child is positioned on the child safety seat, during the process of front-back adjustment or rotation adjustment of the seat part 1, when the legs of the child are clamped, the pressure applied by the legs of the child to the first cover body 11 is increased, the deformation of the first elastic piece 19 is increased, the downward sliding amplitude of the first cover body 11 in the first groove 6 is increased, the first cover body 11 is contacted with the first sensor 25, the pressure borne by the first sensor 25 reaches a preset pressure value, the leg clamping signal is triggered, the first sensor 25 transmits the leg clamping signal to the controller, and the controller controls the front-back adjustment device or the rotation adjustment device to stop and/or reset; the pressure exerted by the legs of the child on the second cover body 12 is increased, the deformation of the second elastic piece 20 is increased, the downward sliding amplitude of the second cover body 12 in the second groove 7 is increased, the second cover body 12 is in contact with the second sensor 26, the pressure born by the second sensor 26 reaches a preset pressure value, the leg clamping signal is triggered, the second sensor 26 transmits the leg clamping signal to the controller, and the controller controls the front-back adjusting device or the rotation adjusting device to stop and/or reset.
Scheme III: on the basis of the second scheme, the child safety seat is also provided with a headrest and an inductor, wherein the headrest is connected with the inductor, and the inductor is connected with the controller through signals; the headrest is used for the head of the child to rest, and the height of the headrest can be adjusted; the sensor is used for identifying the height of the headrest after adjustment, and can transmit a height signal to the controller; the preset pressure value is the initial pressure value plus one to six kilograms, the preset pressure value of the children with zero to six months is the initial pressure value plus one to two kilograms, the preset pressure value of the children with six to twelve months is the initial pressure value plus two to four kilograms, the preset pressure value of the children with twelve months or more is the initial pressure value plus four to six kilograms, and the controller can judge the age bracket of the children according to the height signal, so that the adjustment of the preset pressure value is convenient.
Scheme IV: the child safety seat is also provided with a headrest and an inductor, wherein the headrest is connected with the inductor, and the inductor is in signal connection with the controller; the headrest is used for the head of the child to rest, and the height of the headrest can be adjusted; the sensor is used for identifying the height of the headrest after adjustment, and can transmit a height signal to the controller; and if the pressure value born by the pressure sensor exceeds the preset pressure value, triggering a leg clamping signal.
Wherein the controller adjusts the preset pressure value of the sensor according to the height signal, for example, when the headrest is adjusted in height to accommodate children of zero to six months, the sensor recognizes the height of the headrest, the sensor transmits the height signal to the controller, and the controller adjusts the preset pressure value of the sensor to be three to eight kilograms; when the height of the headrest is adjusted to adapt to children of six to twelve months, the sensor identifies the height of the headrest, the sensor transmits a height signal to the controller, and the controller adjusts the preset pressure value of the sensor to five to ten kilograms; when the height of the headrest is adjusted to adapt to the child about twelve months, the sensor identifies the height of the headrest, the sensor transmits a height signal to the controller, and the controller adjusts the preset pressure value of the sensor to be eight to twelve kilograms; the preset pressure value refers to a preset pressure value, and the controller detects that the pressure value born by the pressure sensor exceeds the preset pressure value, and triggers the leg clamping signal.
When a child is positioned on the child safety seat, and the legs of the child are not clamped in the front-back adjustment or rotation adjustment process of the seat part 1, the legs of the child apply pressure to the first cover body 11, the first cover body 11 applies pressure to the first elastic piece 19, the first elastic piece 19 deforms after being subjected to the pressure, the first cover body 11 slides downwards in the first groove 6, the first cover body 11 is not contacted or contacted with the first sensor 25, and the pressure applied by the first sensor 25 does not reach a preset pressure value, so that a hairpin leg signal can not be touched; the legs of the child apply pressure to the second cover body 12, the second cover body 12 applies pressure to the second elastic piece 20, and the second elastic piece 20 deforms after being subjected to pressure, so that the second cover body 12 slides downwards in the second groove 7, the second cover body 12 is not contacted with the second sensor 26 or is contacted with the second sensor 26, and the pressure applied by the second sensor 26 does not reach a preset pressure value, so that a hairpin leg signal can not be touched.
When a child is positioned on the child safety seat, during the process of front-back adjustment or rotation adjustment of the seat part 1, when the legs of the child are clamped, the pressure applied by the legs of the child to the first cover body 11 is increased, the deformation of the first elastic piece 19 is increased, the downward sliding amplitude of the first cover body 11 in the first groove 6 is increased, the first cover body 11 is contacted with the first sensor 25, the pressure borne by the first sensor 25 reaches a preset pressure value, the leg clamping signal is triggered, the first sensor 25 transmits the leg clamping signal to the controller, and the controller controls the front-back adjustment device or the rotation adjustment device to stop and/or reset; the pressure exerted by the legs of the child on the second cover body 12 is increased, the deformation of the second elastic piece 20 is increased, the downward sliding amplitude of the second cover body 12 in the second groove 7 is increased, the second cover body 12 is in contact with the second sensor 26, the pressure born by the second sensor 26 reaches a preset pressure value, the leg clamping signal is triggered, the second sensor 26 transmits the leg clamping signal to the controller, and the controller controls the front-back adjusting device or the rotation adjusting device to stop and/or reset.
Claims (12)
1. A child safety seat with leg pinch prevention function, the child safety seat comprising:
a seat portion mounted on the base;
the base is provided with a front-back adjusting mechanism and a rotary adjusting mechanism;
it is characterized in that the method comprises the steps of,
the child safety seat further comprises a controller for controlling the front-rear adjusting mechanism and the rotation adjusting mechanism to work; the seat portion includes a first region for a child to rest on the leg;
the first area is provided with an anti-clamping leg mechanism, and the anti-clamping leg mechanism comprises a pressing mechanism and a sensor;
the pressing mechanism is connected with a sensor, and the sensor is in signal connection with the controller;
the pushing mechanism is used for touching the sensor; the sensor is used for transmitting the leg clamping signals to the controller;
the seat part is provided with a groove, and the groove is positioned in the first area; the pressing mechanism and the sensor are positioned at the groove;
the pushing mechanism comprises a cover body and an elastic piece;
the cover body part is positioned in the groove, and the cover body can slide in the groove;
the elastic piece is positioned between the cover body and the groove;
the pushing mechanism comprises a first pushing mechanism;
the sensor includes a first sensor;
the groove comprises a first groove;
the first pressing mechanism and the first sensor are positioned at the first groove;
the first pushing mechanism comprises a first cover body and a first elastic piece;
the first elastic piece is positioned between the first cover body and the first groove;
the first cover body comprises a first cover surface, a second cover surface and a third cover surface;
the first cover surface is positioned at the upper end of the first cover body, the first cover surface is a plane, and the first cover surface is used for bearing the pressure of the legs of the child to the upper end of the first cover body;
the second cover surface is positioned on one side of the first cover body, is a vertical surface and is used for improving the stability of sliding connection between the first cover body and the groove;
the third cover surface is positioned on the other side of the first cover body, the third cover surface is an inclined surface, and the third cover surface is used for bearing the pressure of the legs of the child to the side face of the first cover body.
2. The child safety seat with leg pinch prevention function according to claim 1,
the pressing mechanism further comprises a second pressing mechanism;
the sensor further comprises a second sensor;
the grooves further comprise second grooves, and the first grooves and the second grooves are symmetrically arranged in the first area;
the second pressing mechanism and the second sensor are positioned at the second groove.
3. The child safety seat with leg pinch prevention function according to claim 2,
the second pressing mechanism comprises a second cover body and a second elastic piece;
the second elastic piece is positioned between the second cover body and the second groove.
4. The child safety seat with leg pinch prevention function according to claim 1,
the elastic member includes at least two spring posts.
5. The child safety seat with leg pinch prevention function according to claim 3,
the second cover body comprises a first cover surface, a second cover surface and a third cover surface;
the first cover surface is positioned at the upper end of the second cover body, the first cover surface is a plane, and the first cover surface is used for bearing the pressure of the legs of the child to the upper end of the second cover body;
the second cover surface is positioned on one side of the second cover body, the second cover surface is a vertical surface, and the second cover surface is used for improving the stability of sliding connection between the second cover body and the groove;
the third cover surface is positioned on the other side of the second cover body, the third cover surface is an inclined surface, and the third cover surface is used for bearing the pressure of the legs of the child to the side face of the second cover body.
6. Child safety seat with leg pinch prevention function according to claim 1 or 2, characterized in that,
the sensor is a push switch.
7. Child safety seat with leg pinch prevention function according to claim 1 or 2, characterized in that,
the sensor is a pressure sensor.
8. A control method of a child safety seat with a leg clamping prevention function is characterized in that,
the child safety seat is a child safety seat according to any one of claims 1 to 5, wherein when a child is on the child safety seat, the sensor transmits a leg clamping signal to the controller when the leg of the child is clamped during the fore-and-aft adjustment or the rotation adjustment of the seat portion, and the controller controls the fore-and-aft adjustment device or the rotation adjustment device to stop and/or reset.
9. The method for controlling a child safety seat with leg pinching prevention function according to claim 8,
when the sensor is a push switch, if the push switch is triggered, the sensor transmits a clamp leg signal to the controller.
10. The method for controlling a child safety seat with leg pinching prevention function according to claim 8,
when the sensor is a pressure sensor, the pressure sensor has a preset pressure value, and if the pressure value born by the pressure sensor exceeds the preset pressure value, a leg clamping signal is triggered.
11. The method for controlling a child safety seat with leg pinching prevention function according to claim 8,
when the pressure sensor is used as the pressure sensor, the pressure sensor has an initial pressure value, the preset pressure value of the pressure sensor can be adjusted according to the initial pressure value, and if the pressure value born by the pressure sensor exceeds the preset pressure value, the leg clamping signal is triggered.
12. The method for controlling a child safety seat with leg pinching prevention function according to claim 8,
the child safety seat is further provided with a headrest and an inductor, wherein the headrest is connected with the inductor, and the inductor is in signal connection with the controller; the headrest is used for the head rest of children, and the height of the headrest can be adjusted; the sensor is used for identifying the height of the headrest after adjustment, and can transmit a height signal to the controller; when the sensor is a pressure sensor, the preset pressure value of the pressure sensor can be adjusted according to the height signal, and if the pressure value born by the pressure sensor exceeds the preset pressure value, the leg clamping signal is triggered.
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| CN202211023978.0A CN115123034B (en) | 2022-08-25 | 2022-08-25 | Child safety seat with leg clamping prevention function and control method |
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| CN202211023978.0A CN115123034B (en) | 2022-08-25 | 2022-08-25 | Child safety seat with leg clamping prevention function and control method |
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| CN115123034A CN115123034A (en) | 2022-09-30 |
| CN115123034B true CN115123034B (en) | 2023-08-11 |
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| CN115123034A (en) | 2022-09-30 |
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