CN105835729A - Safety seat with buffering function and buffering method of same - Google Patents

Abstract

A safety seat with cushioning function and a cushioning method for the safety seat. The safety seat includes a seat for drivers and passengers, and a movable belt for fixing, restraining or connecting is arranged on the seat or at the bottom of the seat , it is characterized in that a buffer is provided on the movable belt and/or on the connecting end connected to the movable belt, and the buffer is in a natural state when the safety seat is in normal use, and when the seat is hit or suddenly decelerated , the buffer relaxes the movable belt to a certain degree, and slowly tightens the movable belt after the movable belt is relaxed to a predetermined degree to reset the movable belt. The invention can adapt the movable belt to the characteristics of the human body leaning forward due to inertia, buffer the local impact damage of the movable belt such as seat belts, shoulder belts, and crotch belts to the human body, and can provide restraint, compared with the existing driving seat Chair, the present invention has higher safety.

Description

Safety seat with cushioning function and cushioning method for the safety seat

【Technical field】

The invention relates to a safety seat, in particular to a safety seat with a cushioning function and a cushioning method for the safety seat, which can play a buffering role during sudden deceleration or impact to prevent occupants from being injured.

【Background technique】

The speed of modern cars is very fast. Once a collision occurs, the body stops moving, and the passenger's body will continue to move forward due to inertia, and will collide with the body in the car. In severe cases, the windshield may be smashed and fly forward out of the window. To prevent similar injuries in a crash, cars are equipped with seat belts. If the seat belt is pulled quickly, for example, when a collision occurs and the deceleration is sharp, the clip inside the seat belt device will be taken out by the centrifugal force due to the rapid rotation of the seat belt roller, thereby quickly locking the seat belt and fixing the person on the seat. On the chair, thereby ensuring the safety of the driver and passengers. Although seat belts have improved the safety of drivers and passengers to a certain extent, there have been many cases in practice. Although the occupants will not fly out of their seats, they will still cause serious impact to the chest cavity due to the sudden strong blocking effect of the seat belt, and in severe cases, even the ribs in the chest cavity will be broken. Therefore, safety belt still has certain potential safety hazard, can not solve the traffic safety problem of driver and passenger fully.

When a child rides in a car, it is usually required to install a special child safety seat for children on the car. Child safety seats typically have shoulder and crotch straps that are connectable to restrain the child in the child safety seat. The bottom of the child safety seat is usually provided with a connecting buckle that can fix the safety seat on the car seat, and the car seat is provided with a connecting buckle. Secures to car seat. Usually there is a hard connection between the car seat and the child safety seat, and the two are relatively fixed after the connection. When the car collides, the child safety seat and the child seated in the child safety seat will lean forward rapidly due to inertia. At this time, the shoulder straps and crotch straps act on the child to prevent the child from throwing out the seat. Because the shoulder straps and crotch straps are relatively hard, and they do not automatically adjust the degree of tightness, when the child leans forward rapidly, the shoulder straps and crotch straps will exert a strong blocking effect on the child, so that the child's chest will be partially impacted , causing damage to the chest cavity.

All in all, although there are corresponding safety belts, shoulder belts or crotch belts etc. on the existing driving seat, which can prevent the driver and occupants from being thrown out of the car in an accident, they ignore that the safety belts, shoulder belts, crotch belts, etc. The harm caused to the human body, so it still needs to be strengthened and improved to further ensure the safety of drivers and passengers.

【Content of invention】

The present invention aims to solve the above problems, and provides a safety seat with cushioning function and a cushioning method of the safety seat, which can ensure that the driver and passengers will not be thrown out of the vehicle body, and can also ensure that the driver and passengers are not injured by impact.

In order to achieve the above object, the present invention provides a safety seat with cushioning function, which includes a seat for drivers and passengers, and an active belt for fixing, restraining or connecting is arranged on the seat or at the bottom of the seat. , it is characterized in that a buffer is provided on the movable belt and/or on the connecting end connected to the movable belt, and the buffer is in a natural state when the safety seat is in normal use, and when the seat is hit or suddenly decelerated , the buffer relaxes the movable belt to a certain degree, and slowly tightens the movable belt to reset the movable belt after the movable belt is loosened to a predetermined degree.

The safety seat is a child safety seat, and the safety seat is provided with a restraint belt capable of restraining an occupant on the safety seat, and the restraint belt is provided with the buffer.

The safety seat is a child safety seat, and the bottom of the safety seat is provided with a connecting belt and a connecting buckle which can fix the safety seat on the car seat, and the buffer is arranged on the connecting belt .

The safety seat is a car seat, a safety belt is arranged on the safety seat, and the buffer is arranged on the safety belt.

The safety seat is a car seat, and the safety seat is provided with a safety belt socket connected with a safety belt, and the safety belt socket is connected with the car seat through a movable belt, and a safety belt is provided on the movable belt. There is the buffer.

The harness includes shoulder straps and crotch straps on which one or more of the buffers are provided.

The shoulder straps include a shoulder strap front on the front side of the seat and a shoulder strap rear on the rear side of the seat, and the crotch strap includes a crotch strap front on the front side of the seat and a crotch strap on the rear side of the seat. The rear portion of the belt, the buffer is arranged on the rear portion of the shoulder belt and/or the rear portion of the crotch belt.

The buffer includes a hydraulic buffer, an air pressure buffer and a spring buffer. Connection ports are respectively provided at both ends of the buffer, and the ends and/or non-ends of the movable belt are respectively connected to the two ends of the movable belt. The connection ports at both ends of the buffer are connected.

In addition, the present invention also provides a buffering method for a safety seat, which is characterized in that a buffer is provided on the movable belt and/or the connecting end of the movable belt that plays a role of fixing, restraining or connecting the safety seat , so that the buffer is in a natural state when the safety seat is in normal use, the movable belt is loosened to a certain extent when the seat is hit or suddenly decelerated, and the movable belt is slowly tightened to make the movable belt loosen to a predetermined extent The above activities are reset.

The movable belt includes a safety belt on the car seat, a shoulder belt on the child safety seat, a crotch belt on the child safety seat, a belt for connecting the car seat on the child safety seat A connecting belt of a chair, the connecting end of the connecting movable belt includes a safety belt socket arranged on a car seat.

The buffer includes a hydraulic buffer, an air pressure buffer and a spring buffer. Connection ports are respectively provided at both ends of the buffer, and the ends and/or non-ends of the movable belt are respectively connected to the two ends of the movable belt. The connection ports at both ends of the buffer are connected.

The beneficial contribution of the present invention is that it effectively solves the above-mentioned problems. The invention connects the buffer to the movable belt on the seat, and utilizes the buffering effect of the buffer so that when the car decelerates sharply or hits, the buffer first relaxes the movable belt to a certain extent, so that it can adapt to the forward movement of the human body due to inertia. The feature of leaning forward prevents the human body from being suddenly subjected to strong resistance during the forward leaning process and causing damage to the chest cavity and other parts. In addition, the buffer can reset the movable belt after it is loosened, so that the movable belt can be tightened to continue to restrain the driver and passengers on the seat, preventing the driver and passengers from throwing out of the seat, thereby completely ensuring the safety of the driver and passengers. The invention can not only release the resistance, buffer the local impact damage to the human body caused by active belts such as seat belts, shoulder belts, and crotch belts, but also provide restraint. Compared with the existing driving seats, the invention has higher safety .

【Description of drawings】

Fig. 1 is a structural schematic view of the present invention with buffers arranged on the shoulder straps.

Fig. 2 is a schematic structural view of the invention in which a buffer is arranged on the crotch belt.

Fig. 3 is a structural schematic diagram of a buffer provided on the connecting belt according to the present invention.

Fig. 4 is a schematic diagram of the principle of the present invention.

【detailed description】

The following examples are further explanations and supplements to the present invention, and do not constitute any limitation to the present invention.

The main invention of the safety seat with cushioning function of the present invention is that, as shown in Fig. Chair 1 makes safety belt 13, shoulder belt 14 or crotch belt 15 etc. adapt to the characteristics of human body leaning forward because of inertia when bumping or decelerating, preventing human body from being suddenly subjected to strong resistance in the process of leaning forward and causing damage to the chest cavity and other positions. cause some damages. The safety seat with cushioning function of the present invention can not only provide the normal restraint effect, but also buffer the strong pressure caused by the safety belt 13, the shoulder belt 14 or the crotch belt 15 while providing the restraint effect, which has a stronger safety.

Example 1

In this embodiment, the child safety seat 1 is taken as an example for illustration. On the child safety seat 1 (in this embodiment, the child safety seat 1 and the safety seat 1 have the same meaning, and they all refer to the safety seat 1 of the present invention), there is a device that can restrain the child on the safety seat 1. The straps of restraint, as shoulder strap 14 and crotch strap 15. Shoulder belt 14 and crotch belt 15 are fastened usually by safety buckle, and shoulder belt 14 acts on children's chest and shoulder, and crotch belt 15 acts on children's crotch, and shoulder belt 14 and crotch belt 15 are fastened and can restrain children in safety. on seat 1. Different styles of child safety seats 1 generally have different settings for the shoulder straps 14 and the crotch straps 15 . This embodiment takes a conventional child safety seat 1 as an example for illustration, and in other embodiments, adaptive changes can be made to achieve the same purpose. As shown in FIG. 1 , the seat back of the safety seat 1 is usually provided with holes for shoulder straps 14, through which the shoulder straps 14 pass through the holes so that the shoulder straps 14 are partially positioned at the front side of the safety seat 1 and partially positioned at the front side of the safety seat 1. Safety seat 1 rear side. The part of the shoulder belt 14 located at the front side of the seat is called the front part of the shoulder belt, and the part of the shoulder belt 14 located at the rear side of the seat is called the rear part of the shoulder belt. The front end of the shoulder belt is provided with a safety buckle male buckle connected to the crotch belt 15 , and the rear end of the shoulder belt is usually fixedly connected to the back of the safety seat 1 . The seat of the safety seat 1 is usually provided with crotch belt 15 holes, and the crotch belt 15 passes through the crotch belt 15 holes so that the crotch belt 15 is partially positioned at the front side of the safety seat 1 and partially positioned at the side of the safety seat 1. rear side. The part of the crotch belt 15 located at the front side of the safety seat 1 is called the front part of the crotch belt, and the part of the crotch belt 15 located at the rear side of the safety seat 1 is called the rear part of the crotch belt. The front end of the crotch belt is provided with a safety buckle female buckle connected to the male buckle of the safety buckle, and the rear end of the crotch belt is usually fixedly connected with the back side of the safety seat 1 . In order to prevent the shoulder belt 14 and/or the crotch belt 15 from causing injury to the child under impact or rapid deceleration, in this embodiment, a buffer 2 is arranged on the shoulder belt 14 and/or the crotch belt 15 . Specifically, the buffer 2 can be separately connected to the shoulder strap 14 as shown in FIG. 1 , or the buffer 2 can be connected to the crotch strap 15 separately as shown in FIG. Buffer 2. The buffer 2 can be a hydraulic buffer, a pneumatic buffer or a spring buffer. For the convenience of connection, connection ports 21 can be respectively provided at the two ends of the buffer 2, so that the shoulder belt 14 and/or the crotch strap 15 can be respectively connected to the two ends of the buffer 2, thereby connecting the buffer 2 into The shoulder belt 14 or the crotch belt 15, so that when a collision or deceleration occurs, the child sitting on the safety seat 1 will lean forward under the action of inertia and bump into the shoulder belt 14 and the crotch belt 15, because the shoulder belt 14 and/or Or the crotch belt 15 is connected with a buffer 2, and when the child hits the shoulder belt 14 and the crotch belt 15, the buffer 2 just makes the shoulder belt 14 and the crotch belt 15 loosen to a certain degree forward, so that the shoulder belt 14 and/or the crotch belt 15 adapts to the characteristics of the human body leaning forward due to inertia, so that the shoulder belt 14 and the crotch belt 15 will not instantly cause a strong impact on the child riding, and avoid the shoulder belt 14 and the crotch belt 15 from causing injury to the child. And when the child who rides leans forward to a certain degree, described bumper 2 just begins to reset and makes shoulder belt 14 or crotch belt 15 tighten, thereby the child who rides is restrained on the seat, prevents it from throwing out the seat. The buffer stroke and other parameters of the buffer 2 can be obtained by those skilled in the art through multiple safety simulation experiments. Therefore, the specific parameters of the buffer 2 are not specifically introduced in this embodiment, and a known buffer can be selected. 2 or a new buffer 2 is set, any buffer 2 that can satisfy the functions described in this embodiment can be used. In order to enhance the appearance, in this embodiment, the buffer 2 is arranged at the rear of the shoulder belt and/or the rear of the crotch belt of the shoulder belt 14 . In other embodiments, the buffer 2 can also be arranged at other positions of the shoulder belt 14 and/or the crotch belt 15 .

Example 2

The basic structure of this embodiment is the same as that of Embodiment 1, the difference is that, as shown in FIG. 3 , the buffer 2 is arranged on the connecting belt 11 of the safety seat 1 . The child safety seat 1 can usually be fixed on the car seat for use. In order to facilitate the child safety seat 1 to be fixed on the car seat, a connecting belt 11 is provided at the bottom of the child safety seat 1 , and at the end of the connecting belt 11 A connecting buckle 12 is provided, and a corresponding interface is provided on the car seat. During normal use, the child safety seat 1 can be fixed on the car seat by connecting the connecting buckle 12 of the child safety seat 1 with the interface of the car seat. In this embodiment, the buffer 2 is arranged on the connection belt 11 , that is, the connection belt 11 is respectively connected to the connection ports 21 at both ends of the buffer 2 .

Example 3

In this embodiment, a car seat is taken as an example for description. To ensure the safety of the occupants of the car seat, a safety belt 13 is usually provided on the seat. In this embodiment, as shown in FIG. 4 , a buffer 2 is connected to the safety belt 13 . When hitting or decelerating rapidly, the original safety belt 13 should be stuck, but because the safety belt 13 is connected with a buffer 2, the buffer 2 can make the safety belt 13 adapt to the direction of the human body due to inertia. The feature of leaning forward prevents the drivers and passengers from being locked immediately, avoiding the momentary locking of the seat belt 13 and the drivers and passengers bumping into the seat belt 13 and causing great harm to the drivers and passengers. When the buffer 2 reached its maximum stroke, it began to reset and retract, thereby tightening the safety belt 13, so that the safety belt 13 bound the driver and occupant on the car seat to prevent it from being thrown out of the car.

Example 4

This embodiment is basically the same as Embodiment 3, except that the buffer 2 is not arranged on the safety belt 13 , but is arranged at the socket end of the safety belt 13 connected to it. The seat belt socket end is used for inserting the seat belt 13, and the existing seat belt socket end is usually fixed on the safety seat 1 by a webbing, and the webbing is usually buried in the seat. In this embodiment, the buffer 2 is connected to the webbing connected to the socket end of the safety belt. When an impact or rapid deceleration occurs, when the driver and occupants lean forward due to inertia, the seat belt 13 can relax a certain distance forward due to the buffer 2 connected to the socket end of the seat belt to adapt to the characteristics of the human body leaning forward due to inertia , so that the seat belt 13 will not tightly strangle the driver and occupant, so as to prevent the seat belt 13 from causing injury to the driver and occupant.

In addition, the present invention also provides a cushioning method for a safety seat, the main point of which is to set a buffer 2 on various movable belts on the safety seat 1 and/or on the connection ends connecting the movable belts, so that the cushioning The safety seat 1 is in a natural state during normal use. When the seat is hit or suddenly decelerated, the buffer 2 first relaxes the movable belt to a certain extent, and then the buffer 2 relaxes the movable belt to a predetermined degree. 2 Reset and slowly tighten the movable belt to reset the movable belt. The movable belt includes a fixed movable belt on the safety seat 1, a restrained movable belt, and a connected movable belt, such as the safety belt 13 on the car seat, the child safety seat 1 The shoulder belt 14 on the upper body, the crotch belt 15 on the child safety seat 1, the connecting belt 11 on the child safety seat 1 for connecting the car seat, etc. The connecting end connecting the movable belt includes a safety belt socket arranged on the car seat and the like. The buffer 2 includes a hydraulic buffer, an air pressure buffer and a spring buffer. The buffer 2 can be selected from known ones or can be set according to safety requirements. The buffer stroke and other performance parameters of the buffer 2, It can be obtained by those skilled in the art through multiple safety experiments, so its specific parameters are not specifically introduced in this method.

Although the present invention has been disclosed through the above embodiments, the scope of the present invention is not limited thereto. Without departing from the concept of the present invention, the above components can be replaced by similar or equivalent elements understood by those skilled in the art.

Claims (11)

1. A safety seat with cushioning function, which includes a seat for drivers and passengers, and an active belt for fixing, restraining or connecting is provided on the seat or at the bottom of the seat, it is characterized in that, A buffer (2) is provided on the movable belt and/or on the connecting end connected to the movable belt, and the buffer (2) is in a natural state when the safety seat (1) is in normal use. When the seat is hit or suddenly When decelerating, the buffer (2) relaxes the movable belt to a certain degree, and slowly tightens the movable belt after the movable belt is relaxed to a predetermined degree to reset the movable belt. 2. The safety seat with cushioning function according to claim 1, characterized in that, the safety seat (1) is a child safety seat (1), and the safety seat (1) is provided with A restraint belt capable of restraining occupants on the safety seat (1), the buffer (2) is arranged on the restraint belt. 3. The safety seat with cushioning function according to claim 1, characterized in that, the safety seat (1) is a child safety seat (1), and the bottom of the safety seat (1) is provided with There are a connecting belt (11) and a connecting buckle (12) which can fix the safety seat (1) on the car seat, and the buffer (2) is arranged on the connecting belt (11). 4. The safety seat with cushioning function according to claim 1, characterized in that, the safety seat (1) is a car seat, and a safety belt (13) is arranged on the safety seat (1). ), the buffer (2) is provided on the safety belt (13). 5. The safety seat with cushioning function as claimed in claim 1, characterized in that, the safety seat (1) is a car seat, and the safety seat (1) is provided with a connecting safety belt ( 13) The safety belt socket, the safety belt socket is connected with the car seat through a movable belt, and the buffer (2) is arranged on the movable belt. 6. The safety seat with cushioning function as claimed in claim 2, characterized in that, said restraint belt comprises shoulder belt (14) and crotch belt (15), and said shoulder belt (14) and/or crotch belt One or more buffers (2) are provided on the belt (15). 7. The safety seat with cushioning function as claimed in claim 6, characterized in that, the shoulder straps (14) include a shoulder strap front portion positioned at the front side of the seat and a shoulder strap rear portion positioned at the seat rear side , the crotch belt (15) includes the front part of the crotch belt located at the front side of the seat and the rear part of the crotch belt located at the rear side of the seat, and the buffer (2) is arranged at the rear part of the shoulder belt and/or the crotch On the back of the belt. 8. The safety seat with cushioning function according to any one of claims 1 to 7, characterized in that, the buffer (2) includes a hydraulic buffer, an air pressure buffer and a spring buffer, and in the buffer Both ends of (2) are respectively provided with connection ports (21), and the ends of the end and/or non-end of the movable belt are respectively connected to the connection ports (21) at both ends of the buffer (2). 9. A buffering method for a safety seat, characterized in that a buffer (2 ), so that the buffer (2) is in a natural state when the safety seat (1) is in normal use, and the movable belt is loosened to a certain extent when the seat is hit or suddenly decelerated, and the movable belt is slowly loosened to a predetermined degree. The movable belt is tightened to reset the movable belt. 10. The cushioning method of a safety seat as claimed in claim 9, characterized in that, said movable belt comprises a safety belt (13) arranged on a car seat, a shoulder belt arranged on a child safety seat (1). belt (14), a crotch belt (15) arranged on the child safety seat (1), a connecting belt (11) arranged on the child safety seat (1) for connecting a car seat, and the connecting activity The attachment end of the belt includes a seat belt receptacle provided on the car seat. 11. The buffering method for a safety seat according to claims 9-10, characterized in that, the buffer (2) includes a hydraulic buffer, an air pressure buffer and a spring buffer, and the buffer (2) Connection ports (21) are respectively provided at both ends of the movable belt, and the ends and/or non-end parts of the movable belt are respectively connected to the connection ports (21) at both ends of the buffer (2).