CN103072546B - Safety belt impact force reducer - Google Patents
Safety belt impact force reducer Download PDFInfo
- Publication number
- CN103072546B CN103072546B CN201310054388.9A CN201310054388A CN103072546B CN 103072546 B CN103072546 B CN 103072546B CN 201310054388 A CN201310054388 A CN 201310054388A CN 103072546 B CN103072546 B CN 103072546B
- Authority
- CN
- China
- Prior art keywords
- unit main
- main body
- monofilament
- safety belt
- press strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 17
- 239000004744 fabric Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 6
- 239000011800 void material Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000001603 reducing effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The invention discloses a safety belt impact force reducer, which comprises two oppositely arranged unit main bodies, wherein the unit main bodies are fixedly matched with a safety belt through pressing strips respectively and are provided with single filament strings respectively; single filaments with different lengths are connected between the single filament strings; and the unit main bodies are joined and the junction is fixed by using a lead sealing wire to bend the safety belt between the two unit main bodies into an omega-shaped structure. The single filaments of different lengths are connected between the two oppositely arranged unit main bodies, tensile force is sectionally released by snapping the single filaments in sequence, and the tensile force is prolonged to the time of a maximum value, thereby fulfilling the aim of reducing the tensile force and guaranteeing that a person is not injured by the safety belt in case of collision. The safety belt impact force reducer has a simple structure and is convenient to machine; the normal use of the safety belt provided with the impact force reducer at ordinary times is not affected; force reducing and buffering effects can be achieved only when vehicle collision occurs; and the impact force reducer can also be widely applied to places such as safety ropes with altitude effects.
Description
Technical field
The present invention relates to a kind of safety device, particularly relate to a kind of safety belt impact force reducer.
Background technology
On well-known automobile when collision happens, the required equipment that protection occupant reduces its injury has safety air bag and safety strap, and the necessary tool that safety strap is legal especially, because safety strap is strained in impact moment, and occupant moves forward due to effect of inertia, now occupant be subject to safety strap produce huge pulling force, occupant often hinder by this pulling force; Be provided with the automobile of safety air bag when colliding, safety air bag ejects to occupant direction, and occupant increases on the contrary for the relative velocity of safety air bag, the moment impulse force and easily damaging occupant that safety air bag ejects; Fall as unfortunate during aloft work, staff is held by safety rope and also can produce injury to staff moment; During parachute jumping, the huge pulling force produced when opening main chute to alleviate, the first open auxiliary umbrella of meeting is to prevent parachutist person injured; From above situation when producing huge pulling force instantaneously, shock absorber can not be ignored.
Summary of the invention
Technical matters to be solved by this invention is the present situation for prior art, provides a kind of safety belt impact force reducer, and its effect provides buffering in a flash before safety strap is had an effect, and extends pulling force drop away time, thus reduces pulling force protection health and escape injury.
The present invention solves the problems of the technologies described above adopted technical scheme:
A kind of safety belt impact force reducer, include two unit main body be oppositely arranged, wherein, unit main body is coordinated with safety strap Stationary liquid respectively by press strip, unit main body is respectively arranged with monofilament string bar, be connected with the monofilament of different length between monofilament string bar, unit main body is involutory and fix at apposition position seal wire and make the safety strap between two unit main body bend to Ω font structure.
The technical measures optimized also comprise:
Above-mentioned unit main body forms Contraband font structure structure by a horizontal stripe and two symmetrically arranged unit vertical bars, and vertical bar one end be positioned at away from horizontal stripe is bent into square and becomes involutory surface, involutory surface offers for the fixing seal wire hole of seal wire.
One end that above-mentioned vertical bar is positioned at away from horizontal stripe offers monofilament string cylindrical void, and the two ends correspondence position of monofilament string bar offers fixed orifice, is coordinated between monofilament string bar and the vertical bar of unit main body by screw Stationary liquid.
The two ends of above-mentioned horizontal stripe offer press strip hole, and the two ends correspondence position of press strip offers fixed orifice, and the horizontal stripe of press strip and unit main body is coincided and by belt stopper between the two, coordinated between press strip and the horizontal stripe of unit main body by screw Stationary liquid.
The cross section of above-mentioned unit main body is slightly in arch or Contraband font structure, and unit main body is the integrative-structure of punching press or casting.
The cross section of above-mentioned press strip is slightly in arch or Contraband font structure, and press strip is the integrative-structure of punching press or casting.
Be connected with N root monofilament between above-mentioned monofilament string bar, N be greater than 2 natural number.
Above-mentioned monofilament is made up of alloy material.
Two above-mentioned unit main body be oppositely arranged are wrapped with cloth cover.
A kind of safety belt impact force reducer of the present invention, include two unit main body be oppositely arranged, wherein, unit main body is coordinated with safety strap Stationary liquid respectively by press strip, unit main body is respectively arranged with monofilament string bar, be connected with the monofilament of different length between monofilament string bar, unit main body is involutory and fix at apposition position seal wire and make the safety strap between two unit main body bend to Ω font structure.By being fixed on, unit main body that on safety strap, two are oppositely arranged is involutory bends to Ω font structure by the safety strap between two unit main body to safety belt impact force reducer of the present invention, two unit main body are respectively arranged with monofilament string bar, and are connected with the monofilament of different length between monofilament string bar; The apposition position seal wire of two unit main body is fixed, and subtract impulse force device overlap outward cloth cover stand-by.Originally the safety strap subtracting impulse force device has been installed and has not affected its use at ordinary times, when a vehicle is in a collision, before safety strap is strained completely, subtract impulse force device and play its buffer action, the cloth cover subtracted outside impulse force device is first opened, and then the seal wire of two unit main body apposition positions is pulled off, two unit main body separately, a shortest monofilament is stretching stressed, and after the shortest monofilament is pulled off, secondary short monofilament is stretching stressed; Monofilament is pulled off successively from being short to length, the monofilament being shorter than safety strap bending length until all is pulled off, safety strap recovers original state to be continued to play a protective role, in the process, the time that pulling force grows out of nothing is extended, pulling force is segmented release, thus ensures that pulling force that health is subject to can not be excessive and injure health; Advantage of the present invention is that structure is simple, easy to process, applied widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation after Fig. 1 removes cloth cover;
Fig. 3 is the cross-sectional schematic along A-A line in Fig. 2;
Fig. 4 is the structural representation of unit main body in Fig. 1;
Fig. 5 is the cross-sectional schematic along B-B line in Fig. 4;
Fig. 6 is working state schematic representation of the present invention.
embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Be structural representation of the present invention as shown in Figures 1 to 6,
Reference numeral is wherein: unit main body 1, horizontal stripe 11, press strip hole 11a, unit vertical bar 12, monofilament string cylindrical void 12a, opening 12b, involutory surface 13, seal wire hole 13a, press strip 2, safety strap 3, monofilament string bar 4, monofilament 5, seal wire 6, screw 7, cloth cover 8.
As shown in Figures 1 to 6,
A kind of safety belt impact force reducer of the present invention, include two unit main body be oppositely arranged 1, wherein, unit main body 1 is coordinated with safety strap 3 Stationary liquid respectively by press strip 2, unit main body 1 is respectively arranged with monofilament string bar 4, be connected with the monofilament 5 of different length between monofilament string bar 4, unit main body 1 is involutory and fixing and make the safety strap 3 between two unit main body 1 bend to Ω font structure at apposition position seal wire 6.
In embodiment, unit main body 1 forms Contraband font structure structure by a horizontal stripe 11 and two symmetrically arranged unit vertical bars 12, unit vertical bar 12 one end be positioned at away from horizontal stripe 11 is bent into square and becomes involutory surface 13, involutory surface 13 offers for the fixing seal wire hole 13a of seal wire 6.
In embodiment, one end that unit vertical bar 12 is positioned at away from horizontal stripe 11 offers monofilament string cylindrical void 12a, and the two ends correspondence position of monofilament string bar 4 offers fixed orifice, is coordinated between monofilament string bar 4 and the unit vertical bar 12 of unit main body 1 by screw 7 Stationary liquid.
In embodiment, the two ends of horizontal stripe 11 offer press strip hole 11a, the two ends correspondence position of press strip 2 offers fixed orifice, and press strip 2 coincides with the horizontal stripe 11 of unit main body 1 and is sandwiched between the two by safety strap 3, is coordinated between press strip 2 and the horizontal stripe 11 of unit main body 1 by screw 7 Stationary liquid.
In embodiment, the cross section of unit main body 1 is slightly in arch or Contraband font structure, and unit main body 1 is the integrative-structure of punching press or casting.
In embodiment, the cross section of press strip 2 is slightly in arch or Contraband font structure, and press strip 2 is the integrative-structure of punching press or casting.
In embodiment, be connected with between monofilament string bar 4 N root monofilament 5, N be greater than 2 natural number.
In embodiment, monofilament 5 is made up of alloy material.
In embodiment, two unit main body be oppositely arranged 1 are wrapped with cloth cover 8.
Two unit main body 1 are oppositely arranged, safety strap 3 is through the horizontal stripe 11 of unit main body 1 and press strip 2, the horizontal stripe 11 of press strip 2 and unit main body 1, successively through the fixed orifice at press strip 2 two ends and the press strip hole 11a at horizontal stripe 11 two ends, is fixed together and is clamped by safety strap 3 by screw 7; As shown in Figure 3, safety strap 3 first passes bottom unit main body 1, then turns back through unit main body 1 and press strip 2, finally wears from the top of press strip 2, and the S-type fixing means of safety strap 3 makes the fixing more firm of safety strap 3; As shown in Figure 4, unit main body 1 forms Contraband font structure structure by a horizontal stripe 11 and two symmetrically arranged unit vertical bars 12, and the two ends of horizontal stripe 11 offer press strip hole 11a, and one end that unit vertical bar 12 is positioned at away from horizontal stripe 11 offers monofilament string cylindrical void 12a; One end that unit vertical bar 12 is positioned at away from horizontal stripe 11 is bent to form involutory surface 13, involutory surface 13 offer for the fixing seal wire hole 13a of seal wire 6, as shown in Figure 5, the cross section of unit main body 1 overarches, certainly its cross section can be other any feasible shapes such as Contraband font structure, the one end be positioned at away from horizontal stripe 11 at unit vertical bar 12 offers opening 12b, the setting party of opening 12b the assembling of monofilament string bar 4; The cross section of press strip 2 is also in arch, certainly its cross section also can be other any feasible shapes such as Contraband font structure, unit main body 1 and press strip 2 are the integrative-structure be stamped to form, also can be made by other job operations such as castings, both ensure that structural strength, in turn save material, saved cost, process also very convenient.
During assembling, safety strap 3 is S-type through unit main body 1 and press strip 2, with screw 7, press strip 2 is fixed in unit main body 1 and safety strap 3 is clamped, then the two ends of the monofilament 5 of different length are placed through respectively on 2 monofilament string bars 4, then by the opening 12b of the two ends of monofilament string bar 4 difference embedded unit vertical bar 12, and fix with screw 7, next by staggered relatively and it is involutory for two unit main body 1, involutory surface 13 in unit main body 1 is affixed, and fix at apposition position with seal wire 6, safety strap 3 now between two unit main body 1 is bent to Ω font structure, finally overlap cloth outward and overlap 8 stand-by subtracting impulse force device, safety strap 3 overlaps the reserved mouth in 8 two from cloth and stretches out, two can be tightened with elastic cord, cloth cover 8 will subtract impulse force device and bending safety strap 3 all wraps up wherein, make device more attractive in appearance.
In order to ensure the result of use of this device, a shortest monofilament 5 is short as much as possible, and the length of the longest monofilament 5 is slightly less than the length of the safety strap 3 of sweep, monofilament 5 between monofilament string bar 4 can be shorter by the monofilament 5 on both sides, and the longer order of the monofilament 5 of centre distributes, such distribution can make monofilament 5 stressed more even when being broken successively, monofilament 5 and monofilament string bar 4 can be fixed simultaneously, prevent monofilament 5 from arbitrarily sliding on monofilament string bar 4 with welding wire.
Originally subtract the principle of impulse force device: according to F=ma, wherein F is the pulling force be subject to, and m is the weight of human body, and a is acceleration/accel, and when wherein m is constant, tensile force f is directly proportional to acceleration/accel a, and square being inversely proportional to of acceleration/accel a and time; The process time grown out of nothing when pulling force extends one times, and the tensile force f be subject to will be original 1/4; The process time grown out of nothing when pulling force extends twice, and the tensile force f be subject to will be original 1/9; By that analogy, the time that pulling force produces is longer, and suffered pulling force is less, time in the scope can born, just can not produce injury to human body when pulling force is little to human body.Based on this theoretical basis, originally impulse force device is subtracted by connecting the monofilament 5 of different length between 2 unit main body be oppositely arranged 1, be pulled off successively by monofilament 5 and by pulling force releasing by parts, extend the time that pulling force arrives maxim, thus reaching the object reducing pulling force.
As shown in Figure 6, when a vehicle is in a collision, before safety strap 3 is strained completely, subtract impulse force device and play its buffer action, the cloth cover 8 subtracted outside impulse force device is first opened, and and then the seal wire 6 of two unit main body apposition positions is pulled off, two unit main body separately, a shortest monofilament 5 is straightened stressed, and after the shortest monofilament 5 is pulled off, secondary short monofilament 5 is stretching stressed; By that analogy; monofilament 5 is pulled off successively from being short to length; the monofilament 5 being shorter than safety strap bending length until all is pulled off; safety strap 3 recovers original state to be continued to play a protective role; in the process; the time that pulling force grows out of nothing is extended, and pulling force is segmented release, thus ensures that pulling force that health is subject to can not be excessive and injure health.
Originally the safety strap 3 subtracting impulse force device has been installed and has not affected its normal use at ordinary times, only had the effect just getting up to subtract power buffering when a vehicle is in a collision; Originally subtract impulse force device and can also be widely used in the places such as the safety rope of altitude effect.
Claims (5)
1. a safety belt impact force reducer, include two unit main body be oppositely arranged (1), it is characterized in that: described unit main body (1) is coordinated with safety strap (3) Stationary liquid respectively by press strip (2), described unit main body (1) is respectively arranged with monofilament string bar (4), the monofilament (5) of different length is connected with between described monofilament string bar (4), described unit main body (1) is involutory and fixing and make the safety strap (3) between the unit main body described in two (1) bend to Ω font structure at apposition position seal wire (6), described unit main body (1) forms Contraband font structure by a horizontal stripe (11) and two symmetrically arranged unit vertical bars (12), described unit vertical bar (12) one end be positioned at away from horizontal stripe (11) is bent into square and becomes involutory surface (13), described involutory surface (13) offers for the fixing seal wire hole (13a) of seal wire (6), one end that described unit vertical bar (12) is positioned at away from horizontal stripe (11) offers monofilament string cylindrical void (12a), the two ends correspondence position of described monofilament string bar (4) offers fixed orifice, is coordinated between described monofilament string bar (4) and the unit vertical bar (12) of unit main body (1) by screw (7) Stationary liquid, the two ends of described horizontal stripe (11) offer press strip hole (11a), the two ends correspondence position of described press strip (2) offers fixed orifice, described press strip (2) coincides with the horizontal stripe (11) of unit main body (1) and is sandwiched between the two by safety strap (3), is coordinated between described press strip (2) and the horizontal stripe (11) of unit main body (1) by screw (7) Stationary liquid, two described unit main body be oppositely arranged (1) are wrapped with cloth cover (8), when a vehicle is in a collision, before safety strap (3) is strained completely, the cloth cover (8) subtracted outside impulse force device is first opened, then the seal wire (6) of two unit main body (1) apposition positions is pulled off, two unit main body (1) separately, a shortest monofilament (5) is straightened stressed, and after the shortest monofilament (5) is pulled off, secondary short monofilament (5) is stretching stressed, by that analogy, monofilament (5) is pulled off successively from being short to length, and the monofilament (5) being shorter than safety strap bending length until all is pulled off, and in the process, the time that pulling force grows out of nothing is extended, and pulling force is segmented release.
2. a kind of safety belt impact force reducer according to claim 1, is characterized in that: the cross section of described unit main body (1) slightly in arch or Contraband font structure, the integrative-structure that described unit main body (1) is punching press or casting.
3. a kind of safety belt impact force reducer according to claim 2, is characterized in that: the cross section of described press strip (2) slightly in arch or Contraband font structure, the integrative-structure that described press strip (2) is punching press or casting.
4. a kind of safety belt impact force reducer according to claim 3, is characterized in that: be connected with N root monofilament (5) between described monofilament string bar (4), N be greater than 2 natural number.
5. a kind of safety belt impact force reducer according to claim 4, is characterized in that: described monofilament (5) is made up of alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310054388.9A CN103072546B (en) | 2013-02-20 | 2013-02-20 | Safety belt impact force reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310054388.9A CN103072546B (en) | 2013-02-20 | 2013-02-20 | Safety belt impact force reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103072546A CN103072546A (en) | 2013-05-01 |
| CN103072546B true CN103072546B (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310054388.9A Expired - Fee Related CN103072546B (en) | 2013-02-20 | 2013-02-20 | Safety belt impact force reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103072546B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147539A (en) * | 2021-03-15 | 2021-07-23 | 长沙银汉空间科技有限公司 | Multistage decelerator and seat |
| CN114734281A (en) * | 2022-04-15 | 2022-07-12 | 广州市翔翎金属制品有限公司 | Multistation cnc buffering anchor clamps |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3302973A (en) * | 1964-05-15 | 1967-02-07 | R L Lambin & Ravau Sa | Retaining strap system |
| DE2502925A1 (en) * | 1974-01-30 | 1975-07-31 | Allied Polymer Group Ltd | Energy absorber for seat safety belts - is made from progressively stretched elastomer elements for ensuring changing energy absorption |
| US3937407A (en) * | 1974-05-24 | 1976-02-10 | The United States Of America As Represented By The Secretary Of The Navy | Multiple strap shock absorber |
| US4753772A (en) * | 1986-02-21 | 1988-06-28 | Westinghouse Electric Corp. | Multi-strap shock absorber |
| CA2133358C (en) * | 1993-10-04 | 1998-10-27 | J. Nigel Ellis | Safety line shock absorber |
| CN202263317U (en) * | 2011-10-13 | 2012-06-06 | 宁波天弘电力器具有限公司 | Safety belt |
| CN202427078U (en) * | 2011-06-21 | 2012-09-12 | 张传刚 | Novel high-altitude anti-falling damping belt |
| CN203047159U (en) * | 2013-02-20 | 2013-07-10 | 赵颖寅 | Impulsive force reducer for safety belt |
-
2013
- 2013-02-20 CN CN201310054388.9A patent/CN103072546B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3302973A (en) * | 1964-05-15 | 1967-02-07 | R L Lambin & Ravau Sa | Retaining strap system |
| DE2502925A1 (en) * | 1974-01-30 | 1975-07-31 | Allied Polymer Group Ltd | Energy absorber for seat safety belts - is made from progressively stretched elastomer elements for ensuring changing energy absorption |
| US3937407A (en) * | 1974-05-24 | 1976-02-10 | The United States Of America As Represented By The Secretary Of The Navy | Multiple strap shock absorber |
| US4753772A (en) * | 1986-02-21 | 1988-06-28 | Westinghouse Electric Corp. | Multi-strap shock absorber |
| CA2133358C (en) * | 1993-10-04 | 1998-10-27 | J. Nigel Ellis | Safety line shock absorber |
| CN202427078U (en) * | 2011-06-21 | 2012-09-12 | 张传刚 | Novel high-altitude anti-falling damping belt |
| CN202263317U (en) * | 2011-10-13 | 2012-06-06 | 宁波天弘电力器具有限公司 | Safety belt |
| CN203047159U (en) * | 2013-02-20 | 2013-07-10 | 赵颖寅 | Impulsive force reducer for safety belt |
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| Publication number | Publication date |
|---|---|
| CN103072546A (en) | 2013-05-01 |
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