Summary of the invention
The object of the invention is to provide safety belt buffer device, solves above-mentioned prior art problem one or more.
Safety belt buffer device provided by the invention, comprises
Slide mass, for fixing the second belt body, is configured with slipping part;
Fixed body, for fixing the first belt body, and is configured with and coordinates and the slippage auxiliary section providing slipping part to do displacement movement on fixed part with slipping part; And
Elastomeric element, acts on slide mass and fixed body, provides the elastic force with further the first belt body and the second belt body trend;
Elastomeric element at least comprises two elastic bodys,
When slide mass on fixed body towards make the first belt body and the second belt body mutually away from the side of result move up time, the time that two elastic bodys start to act on is different.
The safety belt buffer device that the invention provides, when slide mass on fixed body towards make the first belt body and the second belt body mutually away from the side of result move up time, the time that two elastic bodys start to act on is different, like this, when slide mass on fixed body towards make the first belt body and the second belt body mutually away from the side of result move up time, following period of time one elastic body started is started working, still can not stop the first belt body and the second belt body mutually away from time, two elastic bodys all start effect, improve the elastic potential energy of elastomeric element.Play better buffer action, and improve the safety of protected object (as the human body on safety chair seats of car, the space shuttle of parachute reduction of speed).
In some embodiments, elastomeric element can be comprise the first elastic body and the second elastic body;
Slide mass is fixed in first elastomeric one end, and the first elastomeric other end is fixed on fixed body,
One of slide mass and fixed body are fixed in second elastomeric one end,
Among slide mass and fixed body, another is configured with towards the second elastomeric first elastomeric element support portion,
The gap of the second elastomeric other end and the first elastomeric element support portion is first shifting gears length of setting.
First elastic body is namely stressed from the beginning, and when the gap of the second elastic body and the first elastomeric element support portion is zero, the second elastic body starts effect.
In some embodiments, slide mass is fixed in second elastomeric one end,
When slide mass on fixed body towards make the first belt body and the second belt body mutually away from result direction on mobile time, configure the first elastomeric element support portion in close to an end of the trend of slide mass in the both ends of fixed body,
First elastomeric element support portion coordinates with the second elastomeric other end.
In some embodiments, fixed body is fixed in second elastomeric one end,
Slide mass is configured with the first elastomeric element support portion,
When slide mass on fixed body towards make the first belt body and the second belt body mutually away from result direction on mobile time, the first elastomeric element support portion in the both ends of fixed body in close to an end of the trend of slide mass,
First elastomeric element support portion coordinates with the second elastomeric other end.
In some embodiments, elastomeric element also comprises the 3rd elastic body,
One of slide mass and fixed body are fixed in 3rd elastomeric one end,
Among slide mass and fixed body, another is configured with towards the 3rd elastomeric second elastomeric element support portion,
The gap of the 3rd elastomeric other end and the second elastomeric element support portion is second shifting gears length of setting;
First gearshift length and described second length of shifting gears is different.
There is provided and start in-service time three elastic body different from the second elastic body, secondary shift is provided, there is the elastomeric element that three grades increase progressively elastic potential energy.
In some embodiments, slide mass is fixed in the 3rd elastomeric one end,
When slide mass on fixed body towards make the first belt body and the second belt body mutually away from result direction on mobile time, configure the second elastomeric element support portion in close to an end of the trend of slide mass in the both ends of fixed body,
Second elastomeric element support portion coordinates with the 3rd elastomeric other end.
In some embodiments, fixed body is fixed in the 3rd elastomeric one end,
Slide mass is configured with the second elastomeric element support portion,
When slide mass on fixed body towards make the first belt body and the second belt body mutually away from result direction on mobile time, the second elastomeric element support portion in the both ends of fixed body in close to an end of the trend of slide mass,
Second elastomeric element support portion coordinates with the 3rd elastomeric other end.
In some embodiments, elastomeric element also can be comprise the second elastic body and the 3rd elastic body;
One of slide mass and fixed body are fixed in second elastomeric one end,
Among slide mass and fixed body, another is configured with towards the second elastomeric first elastomeric element support portion,
The gap of the second elastomeric other end and the first elastomeric element support portion is first shifting gears length of setting;
One of slide mass and fixed body are fixed in 3rd elastomeric one end,
Among slide mass and fixed body, another is configured with towards the 3rd elastomeric second elastomeric element support portion,
The gap of the 3rd elastomeric other end and the second elastomeric element support portion is second shifting gears length of setting;
First gearshift length and second length of shifting gears is different.
There is provided and there is the second elastic body and the 3rd elastomeric embodiment.
In some embodiments, elastomeric element comprises the first elastic body and the 4th elastic body;
Slide mass is fixed in first elastomeric one end, and the first elastomeric other end is fixed on fixed body;
One of slide mass and fixed body are fixed in 4th elastomeric one end, and the 4th elastomeric other end connects one end of non-resilient beformable body, the other end of non-resilient beformable body be fixed among both slide mass and fixed body 1 another.
Non-resilient beformable body can be nylon rope.
In the incipient stage, non-resilient beformable body (as nylon rope) is in the non-tensioned stage, when the first elastomeric deformation quantity be not enough between prevention second belt body and the first belt body away from motion time, non-resilient beformable body (as nylon rope) enters tension phase, extra elastic force is provided, increases the elastic potential energy of elastomeric element.
In some embodiments, slipping part is sliding eye, and slippage auxiliary section is the sliding bar wearing sliding eye;
In some embodiments, slipping part is sliding bar, and slippage auxiliary section is the sliding eye for wearing sliding bar.
In some embodiments, slipping part is sliding shoe, and slippage auxiliary section is the sliding tray holding sliding shoe at least partly;
In some embodiments, slipping part is sliding tray, and slippage auxiliary section is the sliding shoe being contained in sliding tray at least partly.
The present invention does not limit to some extent to the shape of slide mass and fixed body, can be the body of rod, and also can be other plate body, these all should belong to protection scope of the present invention.
When slide mass on fixed body towards make the first belt body and the second belt body mutually away from the side of result move up, refer to slide mass mobile drive first belt body of fixed body and the second belt body mutually away from motion;
This not to the displacement of slide mass on fixed body and the first belt body and the second belt body mutually away from displacement movement make restriction, possible situation is, the displacement of slide mass on fixed body and the first belt body and the second belt body mutually away from motion be in the same way, also can be that other are in the same way non-, such as have employed other reversing arrangements, make the first belt body and the second belt body mutually away from time, the displacement of slide mass on fixed body is upwards or side-to-side movement, the present invention all considers these situations, as long as can cause the first belt body and the second belt body mutually away from the slide mass of result relative to the displacement movement of fixed body, all protection scope of the present invention should be belonged to.
Detailed description of the invention
Dependency structure of the present invention is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, safety belt buffer device provided by the invention, comprises
Slide mass 2, for fixing the second belt body 8, is configured with slipping part 21;
Fixed body 1, for fixing the first belt body 9, and is configured with and coordinates with slipping part 21 and to provide slipping part 2 on fixed part 1, do the slippage auxiliary section 11 of displacement movement; And
Elastomeric element 3, acts on slide mass 2 and fixed body 1, provides the elastic force with further the first belt body 9 and the second belt body 8 trend;
Elastomeric element 3 at least comprises two elastic bodys,
When slide mass 2 on fixed body 1 towards make the first belt body 9 and the second belt body 8 mutually away from the side of result move up time, the time that two elastic bodys start to act on is different.
The safety belt buffer device that the invention provides, when slide mass 2 on fixed body 1 towards make the first belt body 9 and the second belt body 8 mutually away from the side of result move up time, the time that two elastic bodys start to act on is different, like this, when slide mass 2 on fixed body 1 towards make the first belt body 9 and the second belt body 8 mutually away from the side of result move up time, following period of time one elastic body started is started working, still can not stop the first belt body 9 and the second belt body 8 mutually away from time, two elastic bodys all start effect, improve the elastic potential energy of elastomeric element 3.Play better buffer action, and improve the safety of protected object (as the human body on safety chair seats of car, the space shuttle of parachute reduction of speed).
The present invention does not limit to some extent to the shape of slide mass 2 and fixed body 1, can be the body of rod as shown in Figure 1, and also can be other plate body, these all should belong to protection scope of the present invention.
When slide mass 2 on fixed body 1 towards make the first belt body 9 and the second belt body 8 mutually away from the side of result move up, refer to slide mass 2 mobile drive first belt body 9 of fixed body 1 and the second belt body 8 mutually away from motion;
This not to the displacement of slide mass 2 on fixed body 1 and the first belt body 9 and the second belt body 8 mutually away from displacement movement make restriction, can be as shown in Figure 1, the displacement of slide mass 2 on fixed body 1 and the first belt body 9 and the second belt body 8 mutually away from motion be in the same way, also can be that other are in the same way non-, such as have employed other reversing arrangements, make the first belt body 9 and the second belt body 8 mutually away from time, the displacement of slide mass 2 on fixed body 1 is upwards or side-to-side movement, the present invention all considers these situations, as long as can cause the first belt body 9 and the second belt body 8 mutually away from the slide mass 2 of result relative to the displacement movement of fixed body 1, all protection scope of the present invention should be belonged to.
Concrete, as shown in Figure 1, elastomeric element 3 can be comprise the first elastic body 31 and the second elastic body 32;
Slide mass 2 is fixed in one end of first elastic body 31, and the other end of the first elastic body 31 is fixed on fixed body 1,
Slide mass 2 and one of both fixed bodies 1 are fixed in one end of second elastic body 32,
Among slide mass 2 and both fixed bodies 1, another is configured with towards the first elastomeric element support portion 12 of the second elastic body 32,
The other end of the second elastic body 32 and the gap of the first elastomeric element support portion 12 are first shifting gears length of setting.
First elastic body 31 is namely stressed from the beginning, and when the gap of the second elastic body 32 and the first elastomeric element support portion 12 is zero, the second elastic body 32 starts effect.
More specifically, as shown in the Examples, see Fig. 1, slide mass 2 is fixed in one end of the second elastic body 32,
When slide mass 2 on fixed body 1 towards make the first belt body 9 and the second belt body 8 mutually away from result direction on mobile time, be configure the first elastomeric element support portion 12 close to an end of the trend of slide mass 2 in the both ends of fixed body 1,
First elastomeric element support portion 12 coordinates with the other end of the second elastic body 32.
Or more specifically, the present invention can also have other embodiments, fixed body 1 is fixed in one end of the second elastic body 32,
Slide mass 2 is configured with the first elastomeric element support portion 12,
When slide mass 2 on fixed body 1 towards make the first belt body 9 and the second belt body 8 mutually away from result direction on mobile time, the first elastomeric element support portion 12 is the end close to the trend of slide mass 2 in the both ends of fixed body 1,
First elastomeric element support portion 12 coordinates with the other end of the second elastic body 32.
Can be comprise on the basis of the first elastic body 31 and the second elastic body 32 at elastomeric element 3, elastomeric element 3 also comprises the 3rd elastic body 33,
As shown in the embodiment of fig. 1, slide mass 2 and one of both fixed bodies 1 are fixed in one end of the 3rd elastic body 33,
Among slide mass 2 and both fixed bodies 1, another is configured with towards the second elastomeric element support portion 13 of the 3rd elastic body 33,
The other end of the 3rd elastic body 33 and the gap of the second elastomeric element support portion 13 are second shifting gears length of setting;
Described first gearshift length and described second length of shifting gears is different.
In the embodiment in figure 1, the first gearshift length is less than the second gearshift length.
There is provided and start in-service time three elastic body 33 different from the second elastic body 32, secondary shift is provided, there is the elastomeric element 3 that three grades increase progressively elastic potential energy.
More specifically, in embodiment provided by the invention, see Fig. 1, slide mass 2 is fixed in one end of the 3rd elastic body 33,
When slide mass 2 on fixed body 1 towards make the first belt body 9 and the second belt body 8 mutually away from result direction on mobile time, be configure the second elastomeric element support portion 13 close to an end of the trend of slide mass 2 in the both ends of fixed body 1,
Second elastomeric element support portion 13 coordinates with the other end of the 3rd elastic body 33.
Or more specifically, the present invention can also have other embodiments, fixed body 1 is fixed in one end of the 3rd elastic body 33,
Slide mass 2 is configured with the second elastomeric element support portion 13,
When slide mass 2 on fixed body 1 towards make the first belt body 9 and the second belt body 8 mutually away from result direction on mobile time, the second elastomeric element support portion 13 is the end close to the trend of slide mass 2 in the both ends of fixed body 1,
Second elastomeric element support portion 13 coordinates with the other end of the 3rd elastic body 33.
In safety belt buffer device provided by the invention, elastomeric element 3 also can be comprise the second elastic body 32 and the 3rd elastic body 33;
Slide mass 2 and one of both fixed bodies 1 are fixed in one end of second elastic body 32,
Among slide mass 2 and both fixed bodies 1, another is configured with towards the first elastomeric element support portion 12 of the second elastic body 32,
The other end of the second elastic body 32 and the gap of the first elastomeric element support portion 12 are first shifting gears length of setting;
Slide mass 2 and one of both fixed bodies 1 are fixed in one end of 3rd elastic body 33,
Among slide mass 2 and both fixed bodies 1, another is configured with towards the second elastomeric element support portion 13 of the 3rd elastic body 33,
The other end of the 3rd elastic body 33 and the gap of the second elastomeric element support portion 13 are second shifting gears length of setting;
First gearshift length and second length of shifting gears is different.
Namely provide when not having first elastic body 31, there is the embodiment of the second elastic body 32 and the 3rd elastic body 33.
In safety belt buffer device provided by the invention, elastomeric element 3 also can comprise the first elastic body 31 and the 4th elastic body;
Slide mass 2 is fixed in one end of first elastic body 31, and the other end of the first elastic body 31 is fixed on fixed body 1;
Slide mass 2 and one of both fixed bodies 1 are fixed in 4th elastomeric one end, and the 4th elastomeric other end connects one end of non-resilient beformable body, the other end of non-resilient beformable body be fixed among slide mass 2 and both fixed bodies 1 another.
Non-resilient beformable body can be nylon rope.
In the incipient stage, non-resilient beformable body (as nylon rope) is in the non-tensioned stage, when the deformation quantity of the first elastic body 31 be not enough between prevention second belt body 8 and the first belt body 9 away from motion time, non-resilient beformable body (as nylon rope) enters tension phase, extra elastic force is provided, increases the elastic potential energy of elastomeric element 3.
In addition, slipping part 21 and slippage auxiliary section 11 also can have all shape changeables,
As shown in this embodiment, see Fig. 1, slipping part 21 is sliding eye, and slippage auxiliary section 11 is for wearing the sliding bar of sliding eye;
Or
Slipping part 21 provided by the invention is sliding bar, and slippage auxiliary section 11 is the sliding eye for wearing sliding bar.
Or
Slipping part 21 provided by the invention is sliding shoe, and slippage auxiliary section 11 is the sliding tray holding sliding shoe at least partly;
Or
Slipping part 21 provided by the invention is sliding tray, and slippage auxiliary section 11 is the sliding shoe being contained in sliding tray at least partly.
These all should belong to protection scope of the present invention.
The above is only optimal way of the present invention, it should be pointed out that to those skilled in the art, and without departing from the concept of the premise of the invention, those skilled in the art in conception of the present invention, can combinationally use.Similar this type of distortion and improvement, also should be considered as within protection scope of the present invention.