CN114148226A - Height adjusting system for supporting legs of child seat - Google Patents
Height adjusting system for supporting legs of child seat Download PDFInfo
- Publication number
- CN114148226A CN114148226A CN202111506876.XA CN202111506876A CN114148226A CN 114148226 A CN114148226 A CN 114148226A CN 202111506876 A CN202111506876 A CN 202111506876A CN 114148226 A CN114148226 A CN 114148226A
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- Prior art keywords
- child seat
- supporting leg
- worm
- support leg
- controller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
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
Landscapes
- 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 provides a height adjusting system for a supporting leg of a child seat, which comprises a height adjusting mechanism for the supporting leg, wherein the height adjusting mechanism for the supporting leg comprises a guide rail, the supporting leg, a worm gear, a worm and a driving piece; the supporting legs are arranged in the T-shaped sliding grooves in a sliding mode, bearing seats are vertically arranged at the upper ends and the lower ends of the supporting legs, and two ends of the worm are respectively in rotary connection with the two bearing seats through bearings; the worm wheel is meshed with the worm, and the driving piece is used for driving the worm wheel to rotate. The invention can realize the stepless adjustment of the supporting legs, and better avoid the problem that the supporting legs are suspended or the base of the child seat is not attached to the rear seat, so that the child is better protected; meanwhile, the height of the supporting leg can be adjusted in a time-saving and labor-saving manner.
Description
Technical Field
The invention belongs to the technical field of child seats, and particularly relates to a height adjusting system for a supporting leg of a child seat.
Background
Child seat on the vehicle divide into general type child seat, semi-general type child seat, wherein has a child seat with the supporting leg in semi-general type child seat, child seat's supporting leg's effect is after children take on child seat, guarantees child seat under the abundant condition of laminating with back row seat, supports child seat, when the vehicle when taking place the traffic accident, guarantees child seat's stability, provides the protection for child passenger.
The supporting leg of current children's seat includes two guide rails, is provided with the spout on the first guide rail, and second guide rail 11 sets up in the spout, is provided with the pinhole that supplies the locating pin to pass on the bottom plate of spout, and equidistant being provided with a plurality of locating holes 12 on the second guide rail 11, as shown in fig. 1, through with locating pin 13 match insert different locating holes 12 in, realize the altitude mixture control of supporting leg. The height of the supporting leg is adjusted by arranging the positioning pin in one of the positioning holes which are distributed at equal intervals, so that the height of the supporting leg can not be adjusted in a stepless manner, the problem that the supporting leg is suspended in the air or the base of the child seat is not attached to the rear seat is easily caused, and a sufficient protection effect can not be provided for the child in the actual collision process of the vehicle; meanwhile, manual adjustment of the height of the supporting leg is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to provide a height adjusting system for a supporting leg of a child seat, which solves the technical problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a height adjusting system for a supporting leg of a child seat comprises a supporting leg height adjusting mechanism, wherein the supporting leg height adjusting mechanism comprises a guide rail, a supporting leg, a worm gear, a worm and a driving piece, the guide rail is vertically arranged at the rear part of a base of the child seat, a T-shaped sliding groove is formed in the guide rail, and the extending direction of the T-shaped sliding groove is the same as the extending direction of the guide rail; the supporting legs are arranged in the T-shaped sliding grooves in a sliding mode, bearing seats are vertically arranged at the upper ends and the lower ends of the supporting legs, and two ends of the worm are respectively in rotary connection with the two bearing seats through bearings; the worm wheel is meshed with the worm, and the driving piece is used for driving the worm wheel to rotate.
Preferably, the vehicle further comprises a controller and a distance measuring device electrically connected with an input end of the controller, wherein the distance measuring device is used for detecting the distance between the lower end face of the supporting leg and the floor of the vehicle; the output end of the controller is electrically connected with the driving piece.
Preferably, the distance measuring device is a laser distance measuring device.
Preferably, the support leg further comprises a pressure sensor, the pressure sensor is arranged on the lower end face of the support leg, and the pressure sensor is electrically connected with the other input end of the controller; the pressure sensor is used for detecting the pressure of the supporting leg acting on the floor of the vehicle, when the pressure reaches a set value, the pressure sensor sends a pressure signal to the controller, and the controller controls the driving piece to stop rotating.
Preferably, the set value is set according to the sum of the weight of the child and the weight of the child seat.
Preferably, the set value is 80N.
Preferably, the drive member is a servo motor.
Preferably, the support legs are of rectangular plate-like configuration.
The invention has the beneficial effects that:
when the height adjusting system for the supporting legs of the child seat is used, the worm wheel is driven to rotate only through the driving piece, the supporting legs can be driven to move in the T-shaped sliding grooves of the guide rails through the meshing between the worm and the worm wheel, and therefore the height of the supporting legs can be adjusted. Therefore, compared with the prior art, the invention can realize the stepless adjustment of the supporting legs, thereby better avoiding the problems that the supporting legs are suspended or the base of the child seat is not attached to the rear seat, and further ensuring that the child can obtain sufficient protection effect in the actual collision process of the vehicle; meanwhile, the height of the supporting leg does not need to be adjusted manually, so that the height of the supporting leg is adjusted in a time-saving and labor-saving mode.
Drawings
In order to more clearly describe the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and the embodiments of the present invention will be further described in detail with reference to the drawings, wherein
FIG. 1 is a schematic view illustrating a positioning hole of a second guide rail and a positioning pin;
FIG. 2 is a schematic view of a support leg height adjustment mechanism provided by an embodiment of the present invention;
FIG. 3 is a control schematic diagram of a child seat support leg height adjustment system provided by an embodiment of the present invention.
In the drawings, the reference numbers:
11. a second guide rail, 12, a positioning hole, 13, a positioning pin, 21, a guide rail, 22, a T-shaped chute, 31, a supporting leg, 32, a bearing seat, 33, a bearing, 41, a worm, 51 and a worm wheel,
61. driving piece, 71, distance measuring device, 81, controller, 91 and pressure sensor.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description will be provided with reference to specific embodiments.
As shown in FIG. 2, the embodiment of the invention provides a supporting leg height adjusting system of a child seat, which comprises a supporting leg height adjusting mechanism, wherein the supporting leg height adjusting mechanism comprises a guide rail 21, a supporting leg 31, a worm wheel 51, a worm 41 and a driving piece 61, the guide rail 21 is vertically arranged at the rear part of a base of the child seat, a T-shaped sliding groove 22 is arranged on the guide rail 21, and the extending direction of the T-shaped sliding groove 22 is the same as the extending direction of the guide rail; the supporting leg 31 is arranged in the T-shaped sliding groove 22 in a sliding manner, bearing seats 32 are vertically arranged at the upper end and the lower end of the supporting leg, and two ends of the worm are respectively connected with the two bearing seats 32 in a rotating manner through bearings 33; the worm wheel 51 is meshed with the worm 41, and the driving piece 61 is used for driving the worm wheel to rotate. It will be understood that the arrows in the figures indicate the direction of movement of the support legs.
When the height adjusting system for the child seat supporting leg provided by the embodiment of the invention is used, only the driving piece 61 is needed to drive the worm wheel 51 to rotate, and the engagement between the worm 41 and the worm wheel 51 can be utilized to drive the supporting leg 31 to move in the T-shaped sliding groove 22 of the guide rail 21, so that the height adjustment of the supporting leg is realized. Therefore, compared with the prior art, the invention can realize the stepless adjustment of the supporting legs, thereby better avoiding the problems that the supporting legs are suspended or the base of the child seat is not attached to the rear seat, and further ensuring that the child can obtain sufficient protection effect in the actual collision process of the vehicle; meanwhile, the height of the supporting leg does not need to be adjusted manually, so that the height of the supporting leg is adjusted in a time-saving and labor-saving mode.
As shown in fig. 3, the height adjusting system for a child seat support leg according to the embodiment of the present invention further includes a controller 81, and a distance measuring device 71 electrically connected to an input end of the controller, wherein the distance measuring device 71 is configured to detect a distance between a lower end surface of the support leg 31 and a floor of a vehicle; the output of the controller 81 is electrically connected to the driving member 61. With this arrangement, before the driving member operates, the distance between the lower end surface of the support leg and the floor of the vehicle is obtained by the distance measuring device 71, and then the distance measuring device sends a distance signal to the controller, which controls the operation of the driving member according to the distance signal.
Specifically, the distance measuring device 71 is a laser distance measuring device. It can be understood that the laser distance measuring device only needs to be capable of measuring the vertical distance between the lower end face of the supporting leg and the floor of the vehicle, the structure and the working principle of the laser distance measuring device can be the same as those of the laser distance measuring device in the prior art, and the description is omitted; the controller can control the driving piece to rotate positively and negatively, so that the supporting legs can move up and down in the guide rail, and lifting of the supporting legs is achieved.
Further, the height adjusting system for the supporting leg of the child seat provided by the embodiment of the invention further comprises a pressure sensor 91, wherein the pressure sensor 91 is arranged on the lower end surface of the supporting leg, and the pressure sensor 91 is electrically connected with the other input end of the controller 81; the pressure sensor is used for detecting the pressure of the supporting leg acting on the floor of the vehicle, when the pressure reaches a set value, the pressure sensor sends a pressure signal to the controller, and the controller controls the driving piece to stop rotating. Adopt this scheme, can act on the pressure on the vehicle floor to the supporting leg through pressure sensor and detect, when this pressure reaches the setting value, show supporting leg and vehicle floor promptly and fully just stable contact to can avoid appearing the problem that the supporting leg is unsettled or children's seat's base and back row seat cushion do not laminate betterly.
Specifically, the set value is set according to the sum of the weight of the child and the weight of the child seat. It may be preferred that the weight of the child is the weight of the newborn child.
It may be preferable that the set value is 80N. Specifically, when the child seat is installed, the distance measuring device transmits distance information between the lower end face of the supporting leg and the floor of the vehicle to the controller, when the controller controls the driving piece to rotate forwards, the supporting leg moves vertically and downwards in the T-shaped sliding groove of the guide rail and gradually approaches and contacts the floor of the vehicle until the pressure detected by the pressure sensor reaches a set value, and then the controller controls the driving piece to stop operating; when dismantling child seat, the reversal of controller control driving piece for the supporting leg is vertical rebound in the T type spout of guide rail, keeps away from the vehicle floor gradually, and after the lower terminal surface that detects the supporting leg when range unit kept away from the vehicle floor certain distance, the operation is stopped to controller control driving piece, thereby avoids supporting leg and other peripheral parts to bump betterly, has made things convenient for child seat's dismantlement.
Further, the driving member 61 is a servo motor, so that the driving member has a simple structure and is easy to replace or maintain. It can be understood that the output shaft of the servo motor is connected with the middle position of the worm wheel, and the output shaft is perpendicular to the worm.
Specifically, the supporting legs 31 are rectangular flat plate-shaped structures, so that the supporting legs are simple in structure and convenient to process.
The height adjusting system for the supporting legs of the child seat, provided by the embodiment of the invention, can realize the adjustment of any height of the supporting legs, ensures that the child seat can be suitable for profiles of different rear seats, and better ensures the matching of the supporting legs to all vehicle types; meanwhile, compared with a device for manually adjusting the height of the supporting legs, the device improves the convenience of height adjustment of the supporting legs and the stability of support of the child seat, can save manpower, improves the installation efficiency of the child seat, ensures that a vehicle can better protect children when the vehicle collides, and improves the riding safety of the children.
The above are only preferred embodiments of the present invention, it should be noted that these examples are only for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope of the claims appended to the present application.
Claims (8)
1. A height adjusting system for a supporting leg of a child seat is characterized by comprising a supporting leg height adjusting mechanism, wherein the supporting leg height adjusting mechanism comprises a guide rail, a supporting leg, a worm gear, a worm and a driving piece; the supporting legs are arranged in the T-shaped sliding grooves in a sliding mode, bearing seats are vertically arranged at the upper ends and the lower ends of the supporting legs, and two ends of the worm are respectively in rotary connection with the two bearing seats through bearings; the worm wheel is meshed with the worm, and the driving piece is used for driving the worm wheel to rotate.
2. The child seat support leg height adjustment system of claim 1, further comprising a controller, a distance measuring device electrically connected to an input of the controller for detecting a distance between a lower end surface of the support leg and a vehicle floor; the output end of the controller is electrically connected with the driving piece.
3. The child seat support leg height adjustment system of claim 2, wherein the distance measuring device is a laser distance measuring device.
4. The child seat support leg height adjustment system of claim 2, further comprising a pressure sensor disposed on a lower end surface of the support leg, the pressure sensor being electrically connected to another input of the controller; the pressure sensor is used for detecting the pressure of the supporting leg acting on the floor of the vehicle, when the pressure reaches a set value, the pressure sensor sends a pressure signal to the controller, and the controller controls the driving piece to stop rotating.
5. The child seat support leg height adjustment system of claim 4, wherein the set point is set based on a sum of a weight of the child and a weight of the child seat.
6. The child seat support leg height adjustment system of claim 5, wherein the set point is 80N.
7. The child seat support leg height adjustment system of claim 1, wherein the drive member is a servo motor.
8. The child seat support leg height adjustment system of any one of claims 1 to 7, wherein the support leg is a rectangular flat plate-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506876.XA CN114148226A (en) | 2021-12-10 | 2021-12-10 | Height adjusting system for supporting legs of child seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506876.XA CN114148226A (en) | 2021-12-10 | 2021-12-10 | Height adjusting system for supporting legs of child seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114148226A true CN114148226A (en) | 2022-03-08 |
Family
ID=80784436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111506876.XA Pending CN114148226A (en) | 2021-12-10 | 2021-12-10 | Height adjusting system for supporting legs of child seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114148226A (en) |
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| CN213281998U (en) * | 2020-08-05 | 2021-05-28 | 上海宝冶冶金工程有限公司 | Special office device for engineering cost budget |
| CN113294412A (en) * | 2021-05-18 | 2021-08-24 | 山西航天清华装备有限责任公司 | Intelligent leveling system and method for engineering vehicle with hydraulic support legs |
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2021
- 2021-12-10 CN CN202111506876.XA patent/CN114148226A/en active Pending
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| EP0822115A2 (en) * | 1996-08-02 | 1998-02-04 | BRITAX RÖMER Kindersicherheit GmbH | Child safety seat |
| US20060163921A1 (en) * | 2003-07-02 | 2006-07-27 | Macliver Kevin S | Childrens safety seat |
| US20140203605A1 (en) * | 2013-01-18 | 2014-07-24 | Wonderland Nurserygoods Company Limited | Child Safety Seat Assembly |
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| CN104760700A (en) * | 2015-04-20 | 2015-07-08 | 北京安达维尔航空设备有限公司 | Self-locking aero seat capable of adjusting height steplessly |
| CN205168876U (en) * | 2015-11-28 | 2016-04-20 | 郑州大学 | Lift vertically formula unmanned aerial vehicle undercarriage suitable for many topography |
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| CN113294412A (en) * | 2021-05-18 | 2021-08-24 | 山西航天清华装备有限责任公司 | Intelligent leveling system and method for engineering vehicle with hydraulic support legs |
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20220308 |