CN108162816A - Children's seat and its electronic leg support mechanism - Google Patents

Abstract

The present invention relates to a kind of children's seats and its electronic leg support mechanism, the mechanism to include：The leg support plate of cushion skeleton is slideably installed in, the leg support plate slip stretches out the front end of the cushion skeleton；And the driving structure of the leg support plate is drivingly connected, the driving structure is installed in the cushion skeleton, the leg support plate is driven to move back and forth along the cushion skeleton by the driving structure.The present invention provides a kind of electronic leg support mechanisms, it is realized using slidable leg support plate when cushion length is inadequate, the purpose of cushion length is adjusted by leg support plate, leg support plate stretches out the length that can increase cushion from the front end of cushion skeleton, so as to meet the requirement of child passenger comfort, additionally it is possible to promote safety.It is easy to operate and by the sliding of driving structure driving leg supporting plate, and degree of regulation is high, and the position of lock legs supporting plate, safe and convenient are come by driving structure.

Description

Child seat and its electric leg rest mechanism

technical field

The invention relates to the technical field of child seat structures, in particular to a child seat and its electric leg support mechanism.

Background technique

With the steady increase in car ownership, cars have become the first choice for people to travel. In order to better ensure the safety of children in cars, child safety seats have become people's first choice.

Due to the growth and development of children, their height and leg length change greatly with their age. Even in the same group of safety seats, their individual differences are also large, and child occupants are tightly restrained by five-point seat belts in the safety seat. On child seats, the length of the cushion often does not match the leg length of the child occupant, which makes the riding experience of the child occupant poor.

Usually, the length of the seat cushion is determined by the median of the leg length in the group, and the child occupant with long legs will not reach the maximum cushioning contact area in a collision accident, which makes the safety of the child occupant lower.

Contents of the invention

The purpose of the present invention is to overcome the defects of the prior art, provide a child seat and its electric leg support mechanism, and solve the problem of poor ride experience and the contact area not reaching the maximum range caused by the existing cushion length, which reduces safety. sex issue.

The technical scheme for realizing the above-mentioned purpose is:

The invention provides an electric leg rest mechanism for a child seat, comprising:

a leg support plate slidably mounted on the cushion frame, and the leg support plate can slide out of the front end of the cushion frame; and

The driving structure of the leg support is connected by driving, the driving structure is installed on the cushion frame, and the leg support is driven to move back and forth along the cushion frame through the drive structure.

The invention provides an electric leg support mechanism, which uses a slidable leg support to realize the purpose of adjusting the length of the cushion through the leg support when the length of the seat cushion is not enough. The leg support extends from the front end of the cushion frame to increase the cushion The length of the car can meet the comfort requirements of child occupants and can also improve safety. Moreover, the sliding of the leg support is driven by the drive structure, which is easy to operate and has high adjustment accuracy, and the position of the leg support is locked by the drive structure, which is safe and convenient.

The further improvement of the electric leg rest mechanism of the child seat of the present invention lies in that the two side plates of the cushion frame are provided with opposite slide grooves, and the slide grooves are located at the front of the cushion frame side plates and along the The lengthwise setting of the side panels of the cushion frame;

The leg support plate is placed between the two side plates of the cushion frame, and the two sides of the leg support plate are provided with slide bars that are slid in the corresponding chute, through which the slide bar is slid in the corresponding The chute allows the leg support to slide along the chute for position adjustment.

The further improvement of the electric leg rest mechanism of the child seat of the present invention is that the side of the leg support plate is provided with a through hole corresponding to the chute, and the slide rod passes through the through hole and the chute and is screwed. Connect a connecting nut so as to connect the leg support plate and the side plate of the cushion frame.

The further improvement of the electric leg rest mechanism of the child seat of the present invention lies in that a through hole is opened at the front end of the driving structure;

The rear end of the leg support is provided with a connection hole corresponding to the through hole;

The driving structure and the leg support are tightly connected by a connecting rod passing through the connecting hole and the through hole and screwing a nut.

The further improvement of the electric leg rest mechanism of the child seat in the present invention is that a guide groove is provided on the bottom plate of the cushion frame corresponding to the connecting rod, and the guide groove is arranged along the length direction of the cushion frame;

The end of the connecting rod passes through the guide groove and is screwed to the nut, and the connecting rod is guided through the guide groove.

A further improvement of the electric leg rest mechanism of the child seat of the present invention is that the driving structure is installed on the bottom plate of the cushion frame.

A further improvement of the electric leg rest mechanism of the child seat of the present invention is that the driving structure is a push rod motor.

The further improvement of the electric leg support mechanism of the child seat of the present invention is that the leg support plate includes two side support plates oppositely arranged, a top support plate connected to the top of the two side support plates, and a top support plate connected to the top of the two side support plates. The front part of the two side support plates and the front support plate connected with the top support plate, the front support plate is an arc plate.

The present invention also provides a child seat, comprising:

the cushion frame; and

The electric leg rest mechanism according to any one of claims 1 to 8 installed on the front side of the cushion frame.

Description of drawings

Fig. 1 is a structural schematic diagram of a cushion frame and an electric leg rest mechanism of a child seat of the present invention.

Fig. 2 is a schematic diagram of the exploded decomposition structure of Fig. 1 .

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Referring to Fig. 1, the present invention provides a child seat and its electric leg support mechanism, which uses the sliding adjustment of the leg support mechanism to achieve the purpose of adjusting the length of the cushion, and solves the problem that the existing cushion length cannot meet the needs of children with long legs. Riding requirements, on the one hand, the ride experience is poor, on the other hand, the cushion contact area of the cushion does not reach the maximum range, which makes the safety in the collision accident lower. The leg support mechanism of the present invention can not only meet the comfort requirements of the child occupant, but also improve the safety of the child seat. The leg support mechanism drives the sliding through the driving structure, and relies on the driving structure to lock the position of the leg support, which is safe and convenient. The child seat and its electric leg support mechanism of the present invention will be described below in conjunction with the accompanying drawings.

Referring to FIG. 1 , it shows a schematic structural view of the cushion frame and the electric leg rest mechanism of the child seat of the present invention. Referring to FIG. 2 , it shows a schematic diagram of the explosive decomposition structure in FIG. 1 . The electric leg rest mechanism of the child seat of the present invention will be described below with reference to FIG. 1 and FIG. 2 .

As shown in Fig. 1 and Fig. 2, the electric leg support mechanism 20 of the child seat of the present invention comprises a leg support plate 21 and a drive structure 22, and the leg support plate 21 is slidably installed on the cushion frame 11, and the leg support plate 21 The front end of the cushion frame 11 can be slidably stretched out, so as to realize the purpose of adjusting the length of the cushion by using the stretched out leg support plate 21; the driving structure 22 drives and connects the leg support plate 21, and the driving structure 22 is installed on the cushion frame 11. The driving structure 22 drives the leg rest 21 to move back and forth along the cushion frame 11 .

The front side of the cushion frame 11 is provided with a leg support plate 21 that can slide along the seat cushion frame 11. By adjusting the position of the leg support plate 21, the length of the seat cushion is increased to adapt to the leg length of the child occupant. Comfort, on the other hand, the leg support plate 21 increases the cushioning contact area, which can improve the safety of the child seat in a collision accident and ensure the safety of the child occupant.

As a preferred embodiment of the present invention, the two side plates 111 of the cushion frame 11 are provided with slide grooves 23 oppositely arranged. 111 length direction setting;

The leg support plate 21 is placed between the two side plates 111 of the cushion frame 11, and the both sides of the leg support plate 21 are provided with a slide bar 24 which is slidably arranged in the corresponding chute 23, and is slid on the corresponding slide bar 24. The chute 23 allows the leg support 21 to slide along the chute 23 for position adjustment.

Through the cooperation of the chute 23 and the slide bar 24, the leg support 21 is slid on the cushion frame 11, and the chute 23 is set on the two side plates 111, which can ensure that the leg support 21 is in the two chute 23 Swipe without flipping. The setting of the chute 23 not only installs the leg support 21 on the cushion frame 11, but also provides a guiding effect for the leg support 21, so that the sliding of the leg support 21 can only move along the chute 23.

Further, a through hole 211 is opened at the position corresponding to the chute 23 on the side of the leg support plate 21, the slide rod 24 passes through the through hole 211 and the chute 23 and is screwed to connect a connecting nut 27, thereby connecting the leg support plate 21 and the side plate 111 of the cushion frame 11. Preferably, the sliding rod 24 is a stepped bolt with different diameters, and the middle bolt is placed in the chute 23, and the middle bolt moves along the chute 23 to realize the sliding of the leg support 21 , the bolt on the outside of the chute 23 is screwed to the connecting nut 27 , and the bolt on the inside of the chute 23 abuts against the inner surface of the side of the leg support 21 .

As another preferred embodiment of the present invention, a through hole 221 is opened at the front end of the driving structure 22, and a connection hole 212 is opened at the position corresponding to the through hole 221 at the rear end of the leg support 21, and the connecting rod 25 is passed through the connection hole. The hole 212 and the through hole 221 are screwed together with a nut 27 to securely connect the driving structure 22 and the leg support plate 21 . The driving structure 22 and the leg support 21 are connected through the connecting rod 25 , and then the driving structure 22 drives the leg support 21 to slide back and forth along the cushion frame 11 . When driving and adjusting, the leg support plate 21 is pushed forward by the drive structure 22, so that the leg support plate 21 moves forward and protrudes from the front end of the cushion frame 11. The protruding length is controlled by the drive structure 22. When the protruding length When required, the operation of the driving structure 22 can be stopped, thereby stopping the movement of the leg support 21 . If it is necessary to retract the leg support 21 into the cushion frame 11, the driving structure 22 pulls the leg support 21 backward, so that the leg support 21 moves backward and is recovered in the cushion frame 11, and the drive structure 22 is recovered in place. stop running.

Further, in order to ensure the stability of the driving structure 22 driving the leg support plate 21 during the movement process, a guide groove 26 is provided on the bottom plate 113 of the cushion frame 11 corresponding to the connecting rod 25, and the guide groove 26 is arranged along the length direction of the cushion frame 11. That is, the setting direction of the guide groove 26 is the same as that of the slide groove 23 ; the end of the connecting rod 25 is threaded through the guiding groove 26 and the connecting nut 27 is screwed, and the connecting rod 25 is guided by the guiding groove 26 . When the driving structure 22 drives the leg support 21 through the connecting rod 25 , the connecting rod 25 moves back and forth in the guide groove 26 , and the guide groove 26 plays a role of guiding and limiting the connecting rod 25 . Therefore, the stability when the driving structure 22 drives the leg support 21 to move is improved. Preferably, the connecting rod 25 is a long bolt. Specifically, the end of the long bolt passes through the connecting hole 212 on the leg support plate 21, then passes through the through hole 221 at the front end of the driving structure 22, and then passes through the guide groove 26, and then screwed with the nut 27, there is a certain gap between the nut 27 and the bottom surface of the base plate 112 of the cushion frame 11, so that the long bolt can move back and forth in the guide groove 26. Also preferably, the length of the guide groove 26 is set to match the adjustment length of the leg support 21 , so that the guide groove 26 can meet the requirement of adjusting the length of the leg support 21 .

As another preferred embodiment of the present invention, the driving structure 22 is installed on the bottom plate 112 of the cushion frame 22 . Preferably, the driving structure 22 is a push rod motor. The front end of the push rod motor is a telescopic push rod, and a through hole 221 is provided at the end of the push rod to connect the connecting rod 25, so that the leg support 21 is driven to move by the telescopic push rod. The control button of the push rod motor is set on the child seat to facilitate the user to adjust. The control button includes a first button to control the forward rotation of the push rod motor and a second button to control the reverse rotation of the push rod motor. The first button makes the push rod motor rotate forward to drive the leg support to move forward and protrude from the front end of the cushion frame. After moving to the position, release the first button, the push rod motor stops running, and the position of the leg support is locked; by pressing Move the second button to make the push rod motor reversely drive the leg support to move backward and get back into the cushion frame. After moving in place, release the second button, and the push rod motor stops running and locks the position of the leg support.

As another preferred embodiment of the present invention, the leg support 21 includes two side support plates 213 oppositely arranged, a top support plate 214 connected to the top of the two side support plates 213 and a top support plate 214 connected to the front of the two side support plates 213. The front supporting plate 215 connected with the top supporting plate 214, the front supporting plate 215 is an arc plate. When the leg support plate 21 was installed in the cushion frame 11, the outer surface of the front support plate 215 was flush with the front end surfaces of the two side plates 111 of the seat cushion frame 11, and the slide bar 24 connected to the leg support plate 21 was positioned at the bottom of the chute 23. At the rear end, the connecting rod 25 is located at the rear end of the guide groove 26 . The two side support plates 213 of the leg support plate 21 are arranged adjacent to the corresponding side plates 111 on the cushion frame 11, and the side support plates 213 are located on the inner side of the side plates 111, and the side support plates 213 are realized by the slide bar 24 and the chute 23. And the connection of side plate 111. The top surface of the top support plate 214 is flush with the top surface of the side plate 111 . By designing the front support plate as an arc-shaped plate, the leg support plate 21 has better comfort.

The child seat provided by the present invention will be described below.

As shown in Figure 1 and Figure 2, the present invention also provides a child seat, the child seat includes a cushion frame 11, the cushion frame 11 has opposite front and rear sides, the seat cushion frame 11 includes two oppositely arranged The side plate 111 and the bottom plate 112 connecting the two side plates 111 are connected with the back frame 12 at the rear side of the two side plates 111, and the seat frame is formed by connecting the cushion frame 11 and the back frame 12. An electric leg rest mechanism 20 is installed on the front side of the two side plates 111. The electric leg rest mechanism 20 can be telescopically adjusted along the side plates 111. By adjusting the position of the electric leg rest mechanism 20, the length of the seat cushion is increased to accommodate The long legs of the child occupant improve the comfort of the child occupant on the one hand, and on the other hand the leg support 21 increases the buffer contact area, which can improve the safety of the child seat in a collision accident and ensure the safety of the child occupant. The specific structure of the electric leg rest mechanism 20 in the child seat of the present invention is the same as that of the electric leg rest mechanism of the above-mentioned child seat. For details, please refer to the description of the above structure, and will not repeat them here.

The present invention has been described in detail above with reference to the embodiments of the accompanying drawings, and those skilled in the art can make various changes to the present invention according to the above description. Therefore, some details in the embodiments should not be construed as limiting the present invention, and the present invention will take the scope defined by the appended claims as the protection scope of the present invention.

Claims (9)

1. An electric leg rest mechanism for a child seat, characterized in that it comprises: a leg support plate slidably mounted on the cushion frame, and the leg support plate can slide out of the front end of the cushion frame; and The driving structure of the leg support is connected by driving, the driving structure is installed on the cushion frame, and the leg support is driven to move back and forth along the cushion frame through the drive structure. 2. The electric leg rest mechanism of a child seat according to claim 1, wherein the two side plates of the cushion frame are provided with oppositely arranged chute, and the chute is located on the side plate of the cushion frame and arranged along the length direction of the side panel of the cushion frame; The leg support plate is placed between the two side plates of the cushion frame, and the two sides of the leg support plate are provided with slide bars that are slid in the corresponding chute, through which the slide bar is slid in the corresponding The chute allows the leg support to slide along the chute for position adjustment. 3. The electric leg rest mechanism of a child seat according to claim 2, wherein a through hole is opened on the side of the leg rest corresponding to the chute, and the slide bar passes through the through hole A connecting nut is threadedly connected with the chute so as to connect the leg support plate and the side plate of the cushion frame. 4. The electric leg rest mechanism of a child seat according to claim 1, wherein a through hole is opened at the front end of the driving structure; The rear end of the leg support is provided with a connection hole corresponding to the through hole; The driving structure and the leg support are tightly connected by a connecting rod passing through the connecting hole and the through hole and screwing a nut. 5. The electric leg rest mechanism of a child seat according to claim 4, wherein a guide groove is provided on the bottom plate of the cushion frame corresponding to the connecting rod, and the guide groove is along the length of the cushion frame. direction setting; The end of the connecting rod passes through the guide groove and is screwed to the nut, and the connecting rod is guided through the guide groove. 6 . The electric leg rest mechanism of a child seat according to claim 1 , wherein the driving structure is mounted on the bottom plate of the cushion frame. 6 . 7. The electric leg rest mechanism of a child seat according to claim 1, wherein the driving structure is a push rod motor. 8. The electric leg support mechanism of a child seat according to claim 1, wherein the leg support comprises two side support plates opposite to each other, and a top plate connected to the top of the two side support plates. The supporting plate and the front supporting plate connected to the front parts of the two side supporting plates and connected with the top supporting plate, the front supporting plate is an arc-shaped plate. 9. A child seat, characterized in that it comprises: the cushion frame; and The electric leg rest mechanism according to any one of claims 1 to 8 installed on the front side of the cushion frame.