CN110861545A

CN110861545A - Adjusting device of child safety seat

Info

Publication number: CN110861545A
Application number: CN201911150466.9A
Authority: CN
Inventors: 张敬利; 张峰
Original assignee: Anhui Province Fuyang City Haoxiwang Industry And Trade Co Ltd
Current assignee: Anhui hope Baby Safety Technology Co.,Ltd.
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-03-06
Anticipated expiration: 2039-11-21
Also published as: CN110861545B

Abstract

The invention discloses an adjusting device of a child safety seat, which comprises a base, wherein a containing cavity is arranged in the base, a driving motor is fixedly arranged in the containing cavity, an output shaft of the driving motor is fixedly connected with a rotating sleeve, the rotating sleeve is arranged on the inner wall of the containing cavity through a fixed bearing, a threaded hole is formed in the end part of the rotating sleeve far away from the driving motor, a screw rod is in threaded connection with the threaded hole, an avoiding cavity is formed in the rotating sleeve, a rack is integrally formed at one end of the screw rod far away from the driving motor, a guide sleeve matched with the appearance of the rack is arranged in the containing cavity, an adjusting gear is in meshed connection with the rack, an installing shaft is arranged in the center of the adjusting gear, an installing port is arranged in the containing cavity close to the adjusting gear, a backrest is arranged in the installing port, the installing, the handrail is provided with a control switch which is electrically connected with the driving motor. The manual operation is not needed, and the adjustment is convenient and quick.

Description

Adjusting device of child safety seat

Technical Field

The invention relates to the technical field of child safety seats, in particular to an adjusting device of a child safety seat.

Background

The child safety seat is a child protection device applied to an automobile, and along with the increasing popularization of automobiles, the safety awareness of people is higher and higher, and the application of the child safety seat is more and more extensive. The child safety seat is installed in the automobile, and the safety of the child when riding the automobile can be effectively improved.

The safety seat can be fixed on the automobile backseat, and when the automobile collides or emergently decelerates, the impact force that children received can be slowed down by the safety seat, and the injury that children received is reduced. In order to improve the safety of the child sitting, the child safety seat is further provided with an adjusting system which is mainly used for adjusting the angle of a backrest, the integral inclination angle of the seat and the like, so that the seat can adapt to children with different body types, and meanwhile, the riding comfort is improved.

However, the applicant has found that the prior art has at least the following problems:

when the seat is adjusted, manual operation is needed, and great labor is not convenient.

Disclosure of Invention

In view of this, the invention aims to provide an adjusting device for a child safety seat, which solves the problem that the adjustment of the seat requires manual operation, which is very laborious and inconvenient.

The adjusting device for the child safety seat comprises a base, wherein a cushion is arranged on the base, an accommodating cavity is arranged in the base, a driving motor is fixedly arranged in the accommodating cavity, an output shaft of the driving motor is fixedly connected with a rotating sleeve, the rotating sleeve is arranged on the inner wall of the accommodating cavity through a fixed bearing, a threaded hole is formed in the end part, far away from the driving motor, of the rotating sleeve, a threaded rod is connected in the threaded hole in a threaded manner, an avoiding cavity is formed in the rotating sleeve, a rack is integrally formed at one end, far away from the driving motor, of the threaded rod, a guide sleeve matched with the shape of the rack is arranged in the accommodating cavity, the rack is meshed with an adjusting gear, an installing shaft is arranged in the center of the adjusting gear, an installing opening is formed in the position, close to the adjusting gear, and a, the installation axle install in back bottom, the both ends of installation axle are rotatable installs on holding intracavity wall, still be equipped with the handrail on the base, be equipped with control switch on the handrail, control switch with driving motor electric connection.

Optionally, the backrest comprises a body, a notch is arranged below the body, the installation shaft passes through the notch, and an adjusting gear is arranged on the part, located in the notch, of the installation shaft.

Optionally, the base below is provided with the mount pad, the mount pad passes through rotation axis swing joint with the base, the inside regulation cavity that is equipped with of mount pad, the inside accommodate motor that is equipped with of regulation cavity, accommodate motor with control switch electric connection, accommodate motor output shaft power is connected with the lead screw, threaded connection has supporting slider on the lead screw, it is equipped with the guide way with supporting slider matched with to adjust the cavity bottom, and the guide way is perpendicular with the rotation axis, supporting slider top fixedly connected with supports the loop bar, the track board is installed to the base bottom, and the slope is provided with the guide way on the track board, the guide way inclines downwards towards one side far away from the back, support the loop bar and be "Jiong" type, and its top is located in the guide way, and can remove along the guide way.

Optionally, the cross bar of the support loop bar at the top of the Jiong shape adopts a rotatable round roller, and the round roller is installed in the guide groove.

Optionally, locking mechanisms are arranged inside the driving motor and the adjusting motor.

Optionally, the bottom of the mounting seat is provided with a mounting slide rail, and the bottom of the mounting seat is provided with a slide groove adapted to the mounting slide rail.

Optionally, a back cushion is arranged at the top of the backrest, and the back cushion can move longitudinally along the backrest.

From the above, the adjusting device for the child safety seat provided by the invention comprises the base and the mounting seat, wherein the base is rotatably connected with the mounting seat, the driving motor is arranged in the base to drive the rack to move, the rack is meshed with the adjusting gear, the gear is arranged on the mounting shaft, the mounting shaft is arranged on the backrest, and the two ends of the mounting shaft are in dark rotation and are arranged on the accommodating cavity, so that the angle of the backrest can be conveniently and quickly adjusted, the manual participation is not needed, and the adjusting device is convenient and quick;

as another aspect of the invention, a track plate is arranged below the base, an inclined guide groove is formed in the track plate, the support sliding block is driven to move through the adjusting motor, and the support sleeve rod on the driving sliding block moves along the guide groove, so that the base is lifted, the purpose of adjusting the front angle of the base and the mounting seat is achieved, and the adjustment is rapid and convenient.

Drawings

FIG. 1 is a schematic view of an adjustment mechanism for a child safety seat according to an embodiment of the present invention;

FIG. 2 is a schematic view of a rear view of a backrest of an adjusting device of a child safety seat according to an embodiment of the invention;

FIG. 3 is a schematic view of an inner structure of a base and a mounting seat of an adjusting device of a child safety seat according to an embodiment of the present invention;

fig. 4 is a schematic internal view of an adjusting device base and a mounting seat of a child safety seat according to an embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.

As one embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, an adjusting device for a child safety seat includes a base 1, a seat cushion 4 is disposed on the base 1, an accommodating chamber 7 is disposed inside the base 1, a driving motor 8 is fixedly disposed inside the accommodating chamber 7, an output shaft of the driving motor 8 is fixedly connected with a rotating sleeve 9, the rotating sleeve 9 is mounted on an inner wall of the accommodating chamber 7 through a fixed bearing 11, a threaded hole is disposed at an end of the rotating sleeve 9 away from the driving motor 8, a screw 12 is threadedly connected in the threaded hole, an avoiding cavity 10 is disposed inside the rotating sleeve 9, a rack 13 is integrally formed at one end of the screw 12 away from the driving motor 8, a guide sleeve 14 adapted to an outer shape of the rack 13 is disposed inside the accommodating chamber 7, an adjusting gear 504 is engaged with the rack 13, an installation shaft 502 is mounted at a center of the adjusting gear, the accommodating cavity 7 is close to the adjusting gear 504, and is provided with an installation opening 15, a backrest 5 is installed in the installation opening 15, an installation shaft 502 is installed at the bottom of the backrest 5, two ends of the installation shaft 502 are rotatably installed on the inner wall of the accommodating cavity 7, a handrail is further arranged on the base 1, a control switch is arranged on the handrail, and the control switch is electrically connected with the driving motor 8. When the child safety seat is adjusted, the driving motor 8 is operated through the control switch, the driving motor 8 drives the rotary sleeve 9 to rotate, the rotary sleeve 9 is in threaded connection with the screw 12, the screw 12 is integrally formed with the rack 13, the rack 13 is installed in the guide sleeve 14, the guide sleeve 14 is matched with the rack in shape, the rack 13 cannot rotate, the screw 12 cannot rotate, the rotary sleeve 9 rotates to drive the screw 12 to move towards the driving motor 8, the rack 13 also moves towards the driving motor 8, the backrest 5 is inclined backwards, the driving motor 8 rotates reversely, the adjustable backrest 5 is inclined forwards, manual operation is not needed, and adjustment is convenient and fast.

In some other embodiments, as shown in fig. 1, fig. 2 or fig. 3, the backrest 5 includes a body 501, a notch 503 is formed below the body 501, the mounting shaft 502 passes through the notch 503, and an adjusting gear is disposed on a portion of the mounting shaft 502 located in the notch 503.

In some other embodiments, as shown in fig. 1-4, a mounting seat 2 is disposed below the base 1, the mounting seat 2 is movably connected to the base 1 through a rotation shaft 3, an adjusting cavity 17 is disposed inside the mounting seat 2, an adjusting motor 19 is disposed inside the adjusting cavity 17, the adjusting motor 19 is electrically connected to the control switch, an output shaft of the adjusting motor 19 is connected to a lead screw 20, a supporting slider 21 is connected to the lead screw 20 through a thread, a guiding rail 22 matched with the supporting slider 21 is disposed at the bottom of the adjusting cavity 17, the guiding rail 22 is perpendicular to the rotation shaft 3, a supporting sleeve 23 is fixedly connected to the top of the supporting slider 21, a track plate 17 is mounted at the bottom of the base 1, a guiding groove 18 is disposed on the track plate 17, the guiding groove 18 is inclined downward from the backrest 5 to a side far away from the backrest 5, the support bar 23 is shaped as "Jiong", and the top of the support bar is disposed in the guide groove 18 and can move along the guide groove 18. When the adjustment is performed, the control switch controls the adjustment motor 19 to be started, so that the screw rod 20 rotates, the support slider 21 moves towards one side of the adjustment motor 19 along the guide track 22, the top of the support sleeve rod 23 is installed in the guide groove 18, the guide groove 18 is obliquely arranged, the support sleeve rod 23 jacks up the track plate 17, the base 1 rotates for a certain angle along the installation seat 2, and when the adjustment motor 19 rotates reversely, the base 1 can descend for a certain angle.

In some other embodiments, the support bar 23, the cross bar at the top of the "Jiong" shape, uses rotatable round rollers that fit into the guide slots 18. The arrangement of the round roller can reduce the friction force between the round roller and the guide groove 18 when the angle is adjusted.

In some other embodiments, the bottom of the mounting base 2 is provided with a mounting rail 24, and the bottom of the mounting base 2 is provided with a guide groove adapted to the mounting rail 24. Through the cooperation of the guide groove and the mounting slide rail 24, the horizontal position of the mounting base 2 on the mounting slide rail 24 can be adjusted.

In some other embodiments, a headrest 6 is disposed on the top of the backrest 5, and the headrest 6 can move longitudinally along the backrest 5.

In some other embodiments, the driving motor 8 and the adjusting motor 19 are provided with locking mechanisms inside. After the seat is adjusted, the structure of the seat is more stable.

The working principle of the invention is as follows: when the child safety seat is adjusted, the driving motor 8 is operated by controlling the switch, the driving motor 8 drives the rotary sleeve 9 to rotate, the rotary sleeve 9 is in threaded connection with the screw 12, the screw 12 is integrally formed with the rack 13, the rack 13 is installed in the guide sleeve 14, the guide sleeve 14 is matched with the shape of the rack, the rack 13 cannot rotate, the screw 12 cannot rotate, the rotary sleeve 9 rotates to drive the screw 12 to move towards the driving motor 8, the rack 13 also moves towards the driving motor 8, so that the backrest 5 tilts backwards, the driving motor 8 rotates backwards, the backrest 5 can be adjusted to tilt forwards, the control switch controls the adjusting motor 19 to start, the screw 20 rotates, the supporting slide block 21 moves towards the side where the adjusting motor 19 is located along the guide track 22, the top of the supporting sleeve rod 23 is installed in the guide groove 18, and the guide groove 18 is arranged obliquely, the support rods 23 jack up the track plate 17, and the base 1 rotates a certain angle along the mounting seat 2, and when the adjusting motor 19 rotates reversely, the base 1 can descend a certain angle. The manual operation is not needed, and the operation is convenient and quick.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims), is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

Additionally, well known power/ground connections to integrated circuit IC) chips and other components may or may not be shown in the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented, i.e., specifics should be well within purview of one skilled in the art). Where specific details such as circuits are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.

While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. E.g., dynamic RAMDRAM)) may use the discussed embodiments.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. An adjusting device of a child safety seat is characterized in that: the seat cushion is arranged on the base, a containing cavity is arranged in the base, a driving motor is fixedly arranged in the containing cavity, a rotating sleeve is fixedly connected to an output shaft of the driving motor, the rotating sleeve is installed on the inner wall of the containing cavity through a fixed bearing, a threaded hole is formed in the end, away from the driving motor, of the rotating sleeve, a screw rod is connected in the threaded hole in a threaded mode, a avoiding cavity is formed in the rotating sleeve, a rack is integrally formed at one end, away from the driving motor, of the screw rod, a guide sleeve matched with the appearance of the rack is arranged in the containing cavity, the rack is meshed with an adjusting gear, an installing shaft is installed in the center of the adjusting gear, an installing port is formed in the containing cavity and close to the adjusting gear, a backrest is installed in the installing port, the installing shaft is installed at the bottom, the base is further provided with a handrail, the handrail is provided with a control switch, and the control switch is electrically connected with the driving motor.

2. The adjusting device of claim 1, wherein the backrest comprises a body, a notch is formed below the body, the mounting shaft passes through the notch, and an adjusting gear is disposed on a portion of the mounting shaft located in the notch.

3. The adjusting device of a child safety seat according to claim 1, wherein a mounting seat is disposed below the base, the mounting seat is movably connected to the base through a rotating shaft, an adjusting cavity is disposed inside the mounting seat, an adjusting motor is disposed inside the adjusting cavity and electrically connected to the control switch, a lead screw is connected to an output shaft of the adjusting motor, a supporting slider is screwed to the lead screw, a guiding track matched with the supporting slider is disposed at the bottom of the adjusting cavity, the guiding track is perpendicular to the rotating shaft, a supporting sleeve rod is fixedly connected to the top of the supporting slider, a track plate is disposed at the bottom of the base, a guiding groove is obliquely disposed on the track plate, the guiding groove is inclined downward from the backrest to a side far away from the backrest, the supporting sleeve rod is "Jiong" type, and the top of the supporting sleeve rod is disposed in the guiding groove, and is movable along the guide groove.

4. The adjusting apparatus for a child safety seat according to claim 3, wherein the cross bar of the support sleeve bar at the top of the "Jiong" shape is a rotatable round roller, and the round roller is installed in the guide groove.

5. The adjustment device of a child safety seat according to claim 3, wherein a locking mechanism is arranged inside the driving motor and the adjustment motor.

6. The adjusting device of claim 3, wherein the bottom of the mounting seat is provided with a mounting rail, and the bottom of the mounting seat is provided with a guide groove corresponding to the mounting rail.

7. An adjustment device for a child safety seat according to claim 1, wherein the backrest top is provided with a headrest, which is movable longitudinally along the backrest.