CN215921980U

CN215921980U - Head support height stepless adjusting mechanism of automobile child safety seat

Info

Publication number: CN215921980U
Application number: CN202122588645.XU
Authority: CN
Inventors: 顾云奎; 刘青松; 丁吉梅
Original assignee: Zhejiang Tiancheng Controls Co ltd
Current assignee: Zhejiang Tiancheng Controls Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-01
Anticipated expiration: 2031-10-26

Abstract

The utility model belongs to the technical field of automobile accessories, and relates to a head support height stepless adjusting mechanism of an automobile child safety seat, wherein the automobile child safety seat comprises a backrest framework and a head support framework, one side between the backrest framework and the head support framework is provided with a guide mechanism, the other side is provided with a driving mechanism, the guide mechanism comprises a guide rod and a guide seat arranged on the guide rod in a sliding manner, the driving mechanism comprises a driving rod and a driving seat arranged on the driving rod in a sliding manner, the guide rod and the driving rod are fixedly connected with the backrest framework, the guide seat and the driving seat are fixedly connected with the head support framework, a nut is fixed on the driving seat, a lead screw is screwed in the nut, the tail end of the lead screw is rotatably arranged in the lead screw seat and is driven by a motor, and the adjusting mechanism further comprises a control mechanism for controlling the start and stop of the motor. The stepless adjusting mechanism for the height of the head rest of the automobile child safety seat can greatly improve the comfort of a child passenger in an automobile for sitting the automobile child seat.

Description

Head support height stepless adjusting mechanism of automobile child safety seat

Technical Field

The utility model belongs to the technical field of automobile accessories, and relates to a stepless adjusting mechanism for the height of a head support of an automobile child safety seat.

Background

Automobile child safety seats on the market at present do not generally have the function of stepless adjustment of head rest height. Many consumers use child seats to have the situation that the head rest cannot be adjusted to the proper height, and the comfort of the child passengers is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a stepless adjusting mechanism for the height of a head rest of a child safety seat of an automobile, which can greatly improve the comfort of a child passenger in the automobile when the child safety seat of the automobile is used.

In order to solve the above technical problems, the object of the present invention is achieved by the following technical solutions:

high stepless adjustment mechanism is held in palm to car children's safety seat head, car children's safety seat includes back skeleton and head support skeleton, one side that back skeleton and head held in the palm between the skeleton is provided with guiding mechanism, opposite side and is provided with actuating mechanism, guiding mechanism includes the guide bar and slides the guide holder of establishing on the guide bar, actuating mechanism includes the actuating lever and slides the drive seat of establishing on the actuating lever, guide bar, actuating lever and back skeleton fixed connection, guide holder, drive seat and head support skeleton fixed connection, be fixed with the nut on the drive seat, the spiro union has the lead screw in the nut, the end rotation of lead screw sets up in the lead screw seat and by motor drive, adjustment mechanism still includes the control mechanism that control motor opened and stop.

In the stepless adjusting mechanism for the head support height of the automobile child safety seat, the motor is arranged on one side of the driving mechanism, an output shaft of the motor is perpendicular to the screw rod, and the motor is in transmission connection with the screw rod through a worm and gear structure; the worm wheel is fixedly sleeved on the screw rod or a worm wheel structure is processed on the screw rod, and the worm is connected with a motor shaft or a worm structure is processed on the motor shaft. The worm and gear structure can be replaced by a connecting rod structure, a bevel gear set structure and a gear and rack structure.

In the above stepless adjusting mechanism for the head support height of the automobile child safety seat, the guide rod and the driving rod are fixed on the rear side surface of the backrest framework, and the guide seat and the driving seat are fixed on two sides of the lower end of the head support framework.

In the above stepless adjusting mechanism for the head rest height of the child safety seat for an automobile, the control mechanism may be controlled manually, electrically or both.

When manual control is used, the control mechanism is a manual control button disposed on one side of the backrest.

When the electric control is used, the control mechanism is a controller which is electrically connected with the motor through a wire harness.

When the electric control is used, the following control functions can be further added:

the control mode of the controller is selected from one or more of voice control, operation panel control, APP program control and vehicle control of the whole vehicle;

the adjusting mechanism further comprises an external camera or an infrared sensor for monitoring the state of the passenger, and the external camera or the infrared sensor is electrically connected with the controller.

The adjusting mechanism further comprises a built-in alarm, and the built-in alarm is electrically connected with the controller.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model realizes the stepless adjusting function of the head support height of the automobile child safety seat through the guide mechanism and the driving mechanism, can greatly improve the comfort of the child passenger in the automobile for the automobile child seat, and simultaneously has the advantages of simple structure, stability, reliability and convenient use.

2. The utility model can be further provided with various intelligent devices in an electric mode, thereby improving the intelligent level of the automobile child safety seat and providing simple and convenient use experience.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the guide mechanism of the present invention;

FIG. 3 is a schematic diagram of the intelligent control of the present invention;

reference numerals: 1. a backrest frame; 2. a head rest skeleton; 3. a guide bar; 4. a guide seat; 5. a drive rod; 6. a driving seat; 7. a screw rod; 8. a screw base; 9. an electric motor.

Detailed Description

The utility model is further described in the following with reference to specific embodiments in conjunction with the accompanying drawings, see fig. 1-3:

the automobile child safety seat head support height stepless adjusting mechanism comprises a backrest framework 1 and a head support framework 2, one side between the backrest framework 1 and the head support framework 2 is provided with a guide mechanism, the other side is provided with a driving mechanism, the guide mechanism comprises a guide rod 3 and a guide seat 4 arranged on the guide rod 3 in a sliding way, the driving mechanism comprises a driving rod 5 and a driving seat 6 arranged on the driving rod 5 in a sliding way, the guide rod 3 and the driving rod 5 are fixedly connected with the backrest framework 1, the guide seat 4 and the driving seat 6 are fixedly connected with the head support framework 2, a nut is fixed on the driving seat 6, a screw rod 7 is screwed in the nut, the tail end of the screw rod 7 is rotatably arranged in the screw rod 7 seat and is driven by a motor 9, the adjusting mechanism further comprises a control mechanism for controlling the starting and stopping of the motor 9, and the motor 9 is a bidirectional motor.

During operation, the motor 9 drives the screw rod 7 to rotate in different directions, the screw rod 7 drives the nut to move upwards or downwards when rotating in different directions, the driving seat 6 is driven to move upwards or downwards along the driving rod 5, the head support moves along with the driving rod, height adjustment of the head support is achieved, and the head support can move more stably by matching with sliding of the guide seat 4 on the guide rod 3.

In the stepless adjusting mechanism for the head support height of the automobile child safety seat, the motor 9 is arranged on one side of the driving mechanism, an output shaft of the motor 9 is perpendicular to the screw rod 7, and the motor 9 is in transmission connection with the screw rod 7 through a worm and gear structure; the worm wheel is fixedly sleeved on the screw rod 7 or a worm wheel structure is processed on the screw rod 7, and the worm is connected with a motor shaft or a worm structure is processed on the motor shaft. The worm and gear structure can be replaced by a connecting rod structure, a bevel gear set structure and a gear and rack structure.

Further, in order to improve the stability of the guide mechanism and the driving mechanism, the guide rod 3 and the driving rod 5 are fixed on the rear side surface of the backrest framework 1, and the guide seat 4 and the driving seat 6 are fixed on two sides of the lower end of the head support framework 2.

The control mechanism can be controlled manually, electrically or simultaneously.

When using electric control, the control mechanism is a controller that is electrically connected to the motor 9 via a wiring harness.

Referring to fig. 3, the intelligent adjustment operation of the present invention after adding the above control function is illustrated as follows:

the intelligent automobile child seat comprises a built-in power supply (or an external power supply), a control unit, a Bluetooth module, an external wiring harness port (in communication with an automobile) and the like. When the operating mechanism is manually adjusted, the head support can be steplessly adjusted to a proper height position in a manual knob mode. When operating device is electronic the regulation, with car children's seat switch open, accessible speech control adjusts head rest height, also can adjust through operating panel, can also adjust head rest height through bluetooth/WIFI end connection cell-phone APP procedure, also can connect car machine system control head rest height through bluetooth/WIFI/pencil, head rest height position has 2 grades of memory functions simultaneously, adjust required height position after, press button 1 or 2 on the control panel and save, if the head rest height changes to some extent, can directly press 1 or 2 keys, the height that sets up when the storage can automatic adjustment to the head rest height.

If the internal wiring harness is disconnected, the electronic fault in the system or the power supply voltage is too low, no matter whether a child passenger is in the system or not, the built-in loudspeaker of the child seat can send out an internal fault warning sound or a charging warning sound as long as the power supply switch is turned on. Meanwhile, the child seat transmits the related information to the automobile computer through the Bluetooth or the wire harness, and the related actuating mechanism of the automobile computer sends a corresponding instruction.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. High stepless adjustment mechanism is held in palm to car children's safety seat head, car children's safety seat includes back skeleton (1) and head support skeleton (2), its characterized in that, one side between back skeleton (1) and head support skeleton (2) is provided with guiding mechanism, the opposite side is provided with actuating mechanism, guiding mechanism includes guide bar (3) and sliding guide seat (4) of establishing on guide bar (3), actuating mechanism includes actuating lever (5) and sliding drive seat (6) of establishing on actuating lever (5), guide bar (3), actuating lever (5) and back skeleton (1) fixed connection, guide seat (4), drive seat (6) and head support skeleton (2) fixed connection, be fixed with the nut on drive seat (6), the spiro union has lead screw (7) in the nut, the tail end rotation of lead screw (7) sets up in lead screw seat (8) and is driven by motor (9), the adjusting mechanism also comprises a control mechanism for controlling the starting and stopping of the motor (9).

2. The automobile child safety seat head rest height stepless adjusting mechanism according to claim 1 is characterized in that the motor (9) is arranged at one side of the driving mechanism, an output shaft of the motor (9) is arranged perpendicular to the screw rod (7), and the motor (9) is in transmission connection with the screw rod (7) through a worm and gear structure.

3. The automobile child safety seat head rest height stepless adjusting mechanism according to claim 1 is characterized in that the guide rod (3) and the driving rod (5) are fixed on the rear side surface of the backrest framework (1), and the guide seat (4) and the driving seat (6) are fixed on two sides of the lower end of the head rest framework (2).

4. The automobile child safety seat headrest height stepless adjustment mechanism according to claim 1, characterized in that the control mechanism is a manual control button which is arranged on one side of the backrest.

5. The automobile child safety seat headrest height stepless adjustment mechanism according to claim 1, characterized in that the control mechanism is a controller, and the controller is electrically connected with the motor (9) through a wire harness.

6. The mechanism of claim 5, wherein the controller is controlled in one or more modes selected from voice control, operating panel control, APP control, and vehicle control.

7. The automobile child safety seat headrest height stepless adjustment mechanism according to claim 5, characterized in that the adjustment mechanism further comprises a built-in alarm, and the built-in alarm is electrically connected with the controller.