CN102689618A - Automatic unlocking device of safety belt - Google Patents
Automatic unlocking device of safety belt Download PDFInfo
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- CN102689618A CN102689618A CN2012101297317A CN201210129731A CN102689618A CN 102689618 A CN102689618 A CN 102689618A CN 2012101297317 A CN2012101297317 A CN 2012101297317A CN 201210129731 A CN201210129731 A CN 201210129731A CN 102689618 A CN102689618 A CN 102689618A
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- locating dowel
- safety strap
- lock
- dowel pin
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Abstract
The invention discloses an automatic unlocking device of a safety belt. The automatic unlocking device comprises a fixed base, an unlocking pushing block, a locating pin and a driver. The fixed base is provided with a slot for insertion of a fixed end of the safety belt and a first pin hole communicated with the slot, a corresponding guide slot is provided outside of the first pin hole, and a second pin hole which corresponds to the first pin hole and is communicated with the first pin hole is provided in the guide slot; the unlocking pushing block slidingly fits with the guide slot and is connected with a first spring; the location pin is movably inserted in the first pin hole and the second pin hole, one end of the location pin is connected with a second spring, and the other end of the location pin is a locking end of the fixed end of the safety belt; the driver is installed at one side of the unlocking pushing block and has a pushing portion and a driving portion; the locating pin is provided with a first fitting surface; the unlocking pushing block is provided with a second fitting surface fitted with the first fitting surface to promote axial movement of the location pin. The automatic unlocking devices of safety belts are used in fixed safety belts and can be uniformly controlled by a driver to help passengers unlock the safety belts the first time when a malignant accident of vehicle occurs, and the passengers are allowed to immediately escape at best time with best opportunities.
Description
Technical field
The present invention relates to a kind of tripper, particularly relate to a kind of safety strap auto-unlocking device.
Background technology
At present, the safety strap of the vehicle of prior art on the market has 3 fixed types, and 2 fixed types are also arranged, and to 3 fixed car belts, it is the side that the seat is fixed at two ends, and the stage casing is provided with buckle structure, is used for fixing the opposite side at seat; To 2 fixed car belts, it is each side that two ends are individually fixed in the seat, and the centre is provided with the link snap close, can accomplish frenulum or loose ribbon gymnastics work through this link snap close of operation.No matter be 3 fixation type safety bands or 2 fixation type safety bands, there is a common ground in it: by passenger frenulum and pine band voluntarily.
Some vehicle, for example passenger vehicle or school bus, every day, the passengers quantity of delivery was bigger, runed the regulations requirement by safety traffic, and in the vehicle operating process, all passengers should fasten seat belts.When pernicious burst accident appears in vehicle; When for example compartment fire, vehicle crash into river course or mountain valley etc.; The passenger generally is in the outbreak, and very first time action is exactly to leave the seat at once to escape mostly, at this moment; The passenger is generally with belt on request; But because the people is in the fear, the passenger forgets that easily self is also with belt or escape (particularly child and old man are more obvious) that be difficult to oneself unfasten one's seat-belt for the moment, and this has just directly influenced the Best Times and the chance of passenger's escape probably.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; A kind of safety strap auto-unlocking device is provided; It only needs to install an auto-unlocking device additional in the former fixed position of safety strap under the prerequisite of the safety strap structure, in-use performance and the fixed position thereof that do not change the former vehicle, can be when pernicious burst accident appears in the vehicle; By the unified operation of chaufeur; Control all passengers safety strap on one's body and unclamp automatically at once, the passenger is in has the activity space that leaves the seat at once and escape, for passenger's safe escape has been striven for valuable time.
The technical solution adopted for the present invention to solve the technical problems is: a kind of safety strap auto-unlocking device comprises:
One firm banking is provided with the slot and first pin-and-hole that the fixed end that supplies safety strap inserts, and this first pin-and-hole is connected with slot; The outside to first pin-and-hole that should firm banking has a guide groove, and is provided with second pin-and-hole corresponding with first pin-and-hole and that be connected in this guide groove;
One separates lock-pushing rod, and this is separated lock-pushing rod and is snug fit at said guide groove, and this is separated lock-pushing rod and is connected with and is used to first spring that it is resetted;
One locating dowel pin, this locating dowel pin activity is inserted in first pin-and-hole and second pin-and-hole, and an end of this locating dowel pin is connected with one and is used to make its second spring that resets, and the other end of this locating dowel pin is for getting into the locking end of grafting safety strap one fixed end in the said slot;
One actuator is installed on a said side of separating lock-pushing rod, has one and is used to promote separate lock-pushing rod and is used to drive the drive division that moves in the pushing part along the pushing part and that said guide groove slides;
Wherein, locating dowel pin also is provided with first fitting surface, separates lock-pushing rod and also is provided with in the below of first fitting surface and first fitting surface and matches to promote second fitting surface of locating dowel pin along its axial motion.
The said axial direction of separating the said guide groove in lock-pushing rod edge is divided into interconnective first sliding part and second sliding part; Said locating dowel pin is between first sliding part and second sliding part; Said actuator is installed on the outside of first sliding part; Said first spring is connected in the outside of second sliding part, and said first fitting surface is located at the sidewall of said locating dowel pin top towards first sliding part, and said second fitting surface is located at the sidewall of first sliding part towards said locating dowel pin.
Said first fitting surface and second fitting surface are respectively inclined-plane or cambered surface, and the length of first fitting surface is less than the length of second fitting surface.
Also comprise outer cover; This outer cover is fixed in said firm banking, and surrounds the cavity that is used to hold said release pushing block, locating dowel pin, first spring, second spring and guide groove with said firm banking; Said first spring is opened between the madial wall and said release pushing block that peaks at outer cover, and said second spring is opened between the end of the inner top surface that peaks at outer cover and said locating dowel pin; This outer cover also is provided with a side opening, and said actuator is installed on this side opening place.
The inboard of the side opening of the corresponding said outer cover of said firm banking also has a wall, and this wall is provided with the opening that the said pushing part of a confession is passed through.
Said drive division comprises gas generating agent, electro heat resistor wire and fully enclosed aerogenesis chamber; A said side of separating lock-pushing rod is fixed in the aerogenesis chamber, and the two ends of electro heat resistor wire are power connection end, is coated with gas generating agent on this electro heat resistor wire, and this electro heat resistor wire part of being coated with gas generating agent to stretch into aerogenesis indoor; Said pushing part is a catch bar, and an end sealed sliding of this catch bar is placed in the aerogenesis chamber, and the other end of this catch bar is aimed at the said lock-pushing rod of separating.
Said drive division comprises coil, the power lead that is connected with coil, the penetrating iron core of hollow and two ends, and iron core is fixedly installed in a said side of separating lock-pushing rod, and coil is wound in the iron core outside; Said pushing part is a Permanentmagnet bar, and this Permanentmagnet bar sliding sleeve is inboard in iron core, and an end of this Permanentmagnet bar is aimed at the said lock-pushing rod of separating.
Said drive division comprises cylinder, and cylinder is provided with an admission port; Said pushing part is a piston rod, and this piston rod packing sliding sleeve is in cylinder, and an end of this piston rod is aimed at the said lock-pushing rod of separating.
Said slot is located at the sidewall of said firm banking, and said first pin-and-hole is located at the end face of said firm banking, and the bottom surface of said firm banking also is provided with opening corresponding with said first pin-and-hole and that be connected with said slot.
Said firm banking also is provided with mounting hole.
In actual application; Can an above-mentioned safety strap auto-unlocking device be installed respectively in one of them fixed point of each safety strap; And in side, the seat installation of chaufeur and the suitable master cock of actuator of each safety strap auto-unlocking device, by the unified operation of chaufeur.Under normal circumstances; One fixed end snap close of each safety strap is in the mounting strap auto-unlocking device; When sudden emergency episode took place, by the unified safety strap auto-unlocking device that starts of chaufeur, then all safety strap auto-unlocking devices started at once; Be located pin and recess, make a fixed end of safety strap break away from the safety strap auto-unlocking device.So, the every passenger buckle structure or the link snap close that need not manually to remove safety strap can leave the seat.
The invention has the beneficial effects as follows; 1, can one above-mentioned safety strap auto-unlocking device be installed in the relevant position at each seat of vehicle; And by unified each mounting strap auto-unlocking device that starts of chaufeur; Thereby when pernicious burst accident took place vehicle, the very first time was effectively unclamped each safety strap, made the passenger grasp best escape time and chance; Thereby the present invention can effectively reduce because of vehicle generation burst accident causes personnel escape inconvenience or the untimely accident of injures and deaths that causes and take place, and is a kind of effective safe accessory equipment; 2, the present invention does not influence the in-use performance and the manual release of safety strap; 3, the present invention also has characteristics such as simple and practical, low cost of manufacture.
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain; But a kind of safety strap auto-unlocking device of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 is embodiment one axonometric drawing one of the present invention (outer cover is installed preceding);
Fig. 2 is embodiment one axonometric drawing two of the present invention (outer cover is installed preceding);
Fig. 3 is the axonometric drawing of embodiment one firm banking of the present invention;
Fig. 4 is the axonometric drawing of embodiment one guide groove of the present invention;
Fig. 5 is embodiment one axonometric drawing one of separating lock-pushing rod of the present invention;
Fig. 6 is embodiment one axonometric drawing two of separating lock-pushing rod of the present invention;
Fig. 7 is the axonometric drawing one of embodiment one locating dowel pin of the present invention;
Fig. 8 is the axonometric drawing two (locating dowel pin inversion) of embodiment one locating dowel pin of the present invention;
Fig. 9 is embodiment one cutaway view of the present invention (the locating dowel pin other end is positioned at slot);
Figure 10 is embodiment one cutaway view of the present invention (the locating dowel pin other end breaks away from slot);
Figure 11 is embodiment one a use scheme drawing of the present invention;
Figure 12 is embodiment two cutaway views of the present invention (the locating dowel pin other end is positioned at slot);
Figure 13 is embodiment two cutaway views of the present invention (the locating dowel pin other end breaks away from slot);
Figure 14 is embodiment three cutaway views of the present invention (the locating dowel pin other end is positioned at slot);
Figure 15 is embodiment three cutaway views of the present invention (the locating dowel pin other end breaks away from slot).
The specific embodiment
Embodiment one:
Referring to Fig. 1-shown in Figure 9, a kind of safety strap auto-unlocking device of the present invention comprises:
One firm banking 1, a sidewall of this firm banking 1 are provided with a slot 11 that supplies the fixed end insertion of safety strap, and the end face of this firm banking 1 is provided with one first pin-and-hole 12, and this first pin-and-hole 12 is connected with slot 11; The outside to first pin-and-hole 12 that should firm banking has a guide groove 2, and is provided with second corresponding with first pin-and-hole 12 and a be connected pin-and-hole 21 in this guide groove 2; Here, can make guide groove 2 and firm banking 1 be structure independent of each other, also can make guide groove 2 and firm banking 1 be integral structure;
One separates lock-pushing rod 3; This is separated lock-pushing rod 3 and is snug fit at above-mentioned guide groove 2; Specifically be slide rail 22 to be set respectively, corresponding raised line 34 be set separating lock-pushing rod 3 corresponding both sides respectively, make each raised line 34 sliding sleeve in cooresponding slide rail 22 in two inboards of the axial direction of guide groove 2; This is separated lock-pushing rod 3 and is connected with along the outside (promptly second sliding part 32 is away from a side of first sliding part 31) that the axial direction of guide groove is divided into interconnective first sliding part 31 in bottom and second sliding part, 32, the second sliding parts 32 to be used to make and separates first spring 5 that lock-pushing rod resets; First sliding part 31 has three vertical planes, and these three vertical walls surround the U font, and wherein two ends, the bottom one of two relative vertical walls and second sliding part 32 is joined;
One locating dowel pin 4; This locating dowel pin 4 is between first sliding part 31 of separating lock-pushing rod and second sliding part 32; And activity is inserted in first pin-and-hole 12 and second pin-and-hole 21; And an end of this locating dowel pin 4 (being the top of locating dowel pin 4) is connected with one and is used to make its second spring 6 that resets, and specifically it is a knock hole 42 of offering one second spring 6 on the top of locating dowel pin 4; The other end of this locating dowel pin 4 (being the bottom of locating dowel pin 4) is the locking end of grafting safety strap one fixed end in the slot 11 that gets into firm banking;
One actuator 7 is installed on a side of separating lock-pushing rod 3, is installed on the outside (promptly first sliding part 31 is away from a side of second sliding part 32) of first sliding part 31 of separating lock-pushing rod specifically; This actuator 7 has one and is used to promote to separate lock-pushing rod 3 and is used to drive the drive division that moves in the pushing part along the pushing part and that the axial direction of guide groove slides;
Wherein, The top of locating dowel pin 4 is a cube structure; The bottom of locating dowel pin is a cylindrical structure; This locating dowel pin 4 also is provided with first fitting surface 41, and specifically this first fitting surface 41 is located at the sidewall of locating dowel pin top towards first sliding part 31, promptly on the relative side wall surface in locating dowel pin top two, first fitting surface 41 is set respectively; Separating lock-pushing rod 3 also is provided with in the below of first fitting surface 41 and first fitting surface 41 and matches to promote second fitting surface 33 of locating dowel pin 4 along its axial motion; Concrete this second fitting surface 33 be located at separate lock-pushing rod first sliding part 31 on the sidewall of locating dowel pin 4, promptly be located at the end face of above-mentioned two relative vertical walls of first sliding part 31.Here, first fitting surface 41 and second fitting surface 33 are respectively smooth inclined-plane (certainly, also can adopt cambered surface), and the length of first fitting surface 41 is less than the length of second fitting surface 33.
As a kind of preferred, the present invention also comprises an outer cover 8; This outer cover 8 is fixed in firm banking 1, and and firm banking 1 between surround the cavity that is used to hold release pushing block 4, locating dowel pin 4, first spring 5, second spring 6 and guide groove 2; First spring 5 is opened between second sliding part 32 of the madial wall that peaks at outer cover 8 and release pushing block just, and second spring 6 is opened between the top of the inner top surface that peaks at outer cover 8 and locating dowel pin 4 just; The outside of first sliding part 31 of these outer cover 8 homographic solution lock-pushing rods is provided with a side opening 81, and said actuator is installed on this side opening 81 places just.The inboard of the side opening 81 of firm banking 1 corresponding outer cover also has a wall 13, and this wall 13 is the L font, and the one side in these wall 13 corresponding first sliding parts 31 outsides is provided with the opening 131 that a pushing part that supplies actuator is passed through.
Said fixing base 1 specifically is bent into bilevel plate by one and constitutes; And has the gap between this plate two-layer up and down; The bending place of this plate constitutes the sidewall of firm banking 1, and top plate constitutes the end face of firm banking 1, and lower plywood constitutes the bottom surface of firm banking; Bending place at this plate is provided with opening, and cooperates it up and down promptly to constitute the slot 11 of firm banking in the gap between the two-ply, and first pin-and-hole 12 of said fixing base 1 is sitting at top plate.The bottom surface of firm banking 1 (being lower plywood) also be provided with one with first pin-and-hole opening 14 corresponding and that be connected with slot 12 about in the of 12.Also be provided with a mounting hole 15 on the firm banking 1, specifically this mounting hole 15 is located on the lower plywood.
As shown in Figure 9, said drive division comprises gas generating agent 714, electro heat resistor wire 713 and fully enclosed aerogenesis chamber; The aerogenesis chamber is surrounded by first housing 711 that is tightly connected mutually and second housing 712; First housing 711 is fixed in side opening 81 places of outer cover; The two ends of electro heat resistor wire 713 are power connection end; These electro heat resistor wire 713 outer stop-off plasticss that are with, this electro heat resistor wire 713 is exposed to the outer part of stop-off plastics and is coated with gas generating agent 714, and hermetically passing second housing 712 entering aerogenesis are indoor; Said pushing part is a catch bar 715; One end of this catch bar 715 passes first housing, 711 sealed sliding and is placed in the aerogenesis chamber; The other end of this catch bar 715 can pass first housing 711, and is positioned at the opening 131 of above-mentioned wall, aims at first sliding part 31 of separating lock-pushing rod simultaneously.As a kind of preferred; Above-mentioned gas generating agent 714 adopts a kind of solid nitrogen gas generating agent; This solid nitrogen gas generating agent is mainly made oxidizer by the neutral chemical inorganic salts (like potassium citrate, mineral chameleon, potassium nitrate etc.) of 53～67 weight portions; Do deoxidation compound by the high organic matter of the neutrality of 17～22 weight portions and carbon content (, comprising in charcoal, cane suger or the reed ash one or more), do catalyst by a kind of active metal powder (like aluminium powder or magnesium powder) of 1.5～3.5 weight portions like plant extracts; The stabilizer (like magnesium carbonate or melamine) of 5～14 weight portions in addition; Resin glue with 4～8 weight portions is made adhesives, forms with combinations of materials such as the moisture resisting agents of 4～8 weight portions (like one or both the mixing in Chinese wax, the rosin), and makes it to become solid shape through putting on certain pressure.Certainly, above-mentioned gas generating agent 714 also can adopt the aerogenesis medicine of prior art to realize.
Shown in figure 11, during use, the fixed end 91 (having a jack 92 on this fixed end 91) of safety strap 9 is inserted in the slot 11 of firm banking; The jack 92 that makes the safety strap fixed end plugs with the bottom of locating dowel pin 4 in slot 11 and cooperates: can be before outer cover 8 is installed; One fixed end 91 of safety strap is inserted in the slot 11 of firm banking, and the locating dowel pin 4 that moves down again also can be after installing outer cover 8; Utilize the opening 14 of firm banking bottom surface; Earlier by accessory appliances with locating dowel pin 4 jack-up, make a fixed end 91 of safety strap insert the slot 11 of firm bankings after, put down locating dowel pin 4 again.Under normal condition, the bottom of locating dowel pin 4 fixed end 91 to safety strap in the slot 11 of firm banking positions, and the bottom of second fitting surface 33 of first fitting surface 41 at locating dowel pin top and first sliding part is local identical.When needs are unfastened one's seat-belt; Only need the two ends of electro heat resistor wire 713 are switched on, 713 pairs of gas generating agents 714 of electro heat resistor wire are heated, when 714 heating of 713 pairs of gas generating agents of electro heat resistor wire reach more than 200 ℃; Oxidizer in the gas generating agent 714 and deoxidation compound generation chemical reaction; At once produce gases such as a large amount of nitrogen and CO2, make the indoor air pressure moment rising of aerogenesis, catch bar 715 is under the promotion of aerogenesis indoor gas pressure; Towards separating lock-pushing rod 3 motion, and promote to separate elastic force that lock-pushing rod 3 overcomes first spring 5 and move along the axial direction of guide groove 2.At this moment; Shown in figure 10, along with separating moving of lock-pushing rod 3, second fitting surface 33 of its first sliding part also and then moves; And upwards push first fitting surface 41 of locating dowel pin, thereby drive elastic force effect that locating dowel pin 4 overcomes second spring 6 along its axial upward movement; When the bottom of locating dowel pin 4 broke away from slot 11 fully, the fixed end 91 of safety strap can break away from the slot 11 of firm banking.
A kind of safety strap auto-unlocking device of the present invention; It both had been applicable to 2 fixation type safety bands; Also be applicable to 3 fixation type safety bands:, can one of them fixed end of this safety strap adopted the present invention fix, so to 2 fixation type safety bands; The passenger only need can manually accomplish the process of frenulum and pine band through the link snap close on the safety of operation band; To 3 fixation type safety bands, can adopt the present invention to fix respectively with two fixed ends on one side this safety strap, and the fixed end that this safety strap is remaining be fixing voluntarily by the passenger.Therefore, adopt above-mentioned safety strap auto-unlocking device, neither influence the structure of safety strap and set installation site, also do not influence the manual release operation and the in-use performance of safety strap.In actual application; Can locate to install respectively above-mentioned safety strap auto-unlocking device at one of them attachment point (being directed against 2 fixation type safety bands) of each locational safety strap of vehicle or with two attachment points on one side (to 3 fixation type safety bands), and in side, the seat installation of chaufeur and the suitable master cock (being used to control the switching of electro heat resistor wire) of actuator of each safety strap auto-unlocking device.Under normal circumstances; One fixed end snap close of each safety strap is in the safety strap auto-unlocking device; When sudden emergency episode took place vehicle, by the unified master cock that starts each safety strap auto-unlocking device of chaufeur, then all safety strap auto-unlocking devices started at once; Be located pin and recess, make a fixed end of each safety strap break away from the safety strap auto-unlocking device.So, the every passenger buckle structure or the link snap close that need not manually to remove safety strap can leave the seat.
Embodiment two:
Referring to shown in Figure 12; This embodiment two is with the difference of the foregoing description one: its actuator is an electromagnetic driver; Its drive division comprises coil 722, the penetrating iron core 721 in the power lead 723, hollow and the two ends that are connected with coil 722; Iron core 721 adopts a connecting element 724 to be fixedly installed in side opening 81 places of outer cover, and coil 722 is wound in the outside of iron core 721; Said pushing part is a Permanentmagnet bar 725, and these Permanentmagnet bar 725 sliding sleeves are in the inboard of iron core 721, and an end of this Permanentmagnet bar 725 is positioned at opening 131 places of the wall of firm banking, and aims at first sliding part 31 of separating lock-pushing rod 3.
Its principle of work is: shown in figure 13; Add certain voltage at the two ends of coil 722; Make and flow through certain electric current in the coil 722; Thereby produce magnetic field around the generation galvanomagnetic effect, iron core 721, and the N in this magnetic field, just N, the S level with Permanentmagnet bar 725 is opposite for the S utmost point; The principle of repelling each other according to magnetic pole of the same name; Repel and to the direction motion of separating lock-pushing rod 3 each other in magnetic field around the magnetic field of Permanentmagnet bar 725 and the iron core 721, and promote to separate elastic force that lock-pushing rod 3 overcomes first spring 5 and slide along the axial direction of guide groove 2, separates lock-pushing rod 3 and drive locating dowel pins 4 and overcome the elastic force upward movement of second spring 6 and make the bottom of locating dowel pin 4 break away from the slot 11 of firm banking thereby make.This actuator is a reversible type: after coil 722 outages; Magnetic field around the iron core 721 disappears; Separate the motion of lock-pushing rod 3 direction opposite in the elastic force effect lower edge of first spring 5, make first fitting surface 41 of locating dowel pin lose the push effect of second fitting surface 33, locating dowel pin 4 moves downward under the elastic force effect of second spring 6 simultaneously; Make the bottom of this locating dowel pin 4 get into the slot 11 of firm banking again, shown in figure 12.
Embodiment three:
Referring to shown in Figure 14; This embodiment three is with the difference of the foregoing description one, embodiment two: its actuator is the air cylinder driven device; Its drive division comprises cylinder 731, and this cylinder 731 is provided with an admission port 732, and this cylinder 731 is installed on side opening 81 places of outer cover; Said pushing part is a piston rod 733, and these piston rod 733 sealed sliding are placed in the cylinder 731, and an end of this piston rod 733 is positioned at opening 131 places of the wall of firm banking, and aims at first sliding part 31 of separating lock-pushing rod.
Its principle of work is: shown in figure 15; Admission port 732 air inlets from cylinder 731; Piston rod 733 is moved towards the direction of separating lock-pushing rod 3 under gas pressure; Promote to separate elastic force that lock-pushing rod 3 overcomes first spring 5 simultaneously and slide, separate lock-pushing rod 3 and drive locating dowel pins 4 and overcome the elastic force upward movement of second spring 6 and make the bottom of locating dowel pin 4 break away from the slot 11 of firm banking thereby make along the axial direction of guide groove 2.This actuator also is reversible type: after cylinder 731 stops air inlet; Gas in the cylinder 731 is overflowed from admission port 732; Make the air pressure reduction in the cylinder 731 and be not enough to promote piston rod 733 motions; Then separate the motion of lock-pushing rod 3 direction opposite in the elastic force effect lower edge of first spring 5, make first fitting surface 41 of locating dowel pin lose the push effect of second fitting surface 33, locating dowel pin 4 moves downward under the elastic force effect of second spring 6 simultaneously; Make the bottom of this locating dowel pin 4 get into the slot 11 of firm banking again, shown in figure 14.
A kind of safety strap auto-unlocking device of the present invention; Above-mentioned safety strap auto-unlocking device is installed in the relevant position at each seat in vehicle; And by chaufeur to the actuator of each safety strap auto-unlocking device unify control after; Can be when sudden emergency episode takes place in vehicle; By the unified actuator that starts each safety strap auto-unlocking device of chaufeur, help every passenger to untie the safety strap that ties up on one's body in the very first time, every passenger is had leave the activity space and the chance of escaping at the seat at once.
The foregoing description only is used for further specifying a kind of safety strap auto-unlocking device of the present invention; But the present invention is not limited to embodiment; Every foundation technical spirit of the present invention all falls in the protection domain of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. safety strap auto-unlocking device is characterized in that: comprising:
One firm banking is provided with the slot and first pin-and-hole that the fixed end that supplies safety strap inserts, and this first pin-and-hole is connected with slot; The outside to first pin-and-hole that should firm banking has a guide groove, and is provided with second pin-and-hole corresponding with first pin-and-hole and that be connected in this guide groove;
One separates lock-pushing rod, and this is separated lock-pushing rod and is snug fit at said guide groove, and this is separated lock-pushing rod and is connected with and is used to first spring that it is resetted;
One locating dowel pin, this locating dowel pin activity is inserted in first pin-and-hole and second pin-and-hole, and an end of this locating dowel pin is connected with one and is used to make its second spring that resets, and the other end of this locating dowel pin is for getting into the locking end of grafting safety strap one fixed end in the said slot;
One actuator is installed on a said side of separating lock-pushing rod, has one and is used to promote separate lock-pushing rod and is used to drive the drive division that moves in the pushing part along the pushing part and that said guide groove slides;
Wherein, locating dowel pin also is provided with first fitting surface, separates lock-pushing rod and also is provided with in the below of first fitting surface and first fitting surface and matches to promote second fitting surface of locating dowel pin along its axial motion.
2. safety strap auto-unlocking device according to claim 1; It is characterized in that: the said axial direction of separating the said guide groove in lock-pushing rod edge is divided into interconnective first sliding part and second sliding part; Said locating dowel pin is between first sliding part and second sliding part; Said actuator is installed on the outside of first sliding part; Said first spring is connected in the outside of second sliding part, and said first fitting surface is located at the sidewall of said locating dowel pin top towards first sliding part, and said second fitting surface is located at the sidewall of first sliding part towards said locating dowel pin.
3. safety strap auto-unlocking device according to claim 1 and 2 is characterized in that: said first fitting surface and second fitting surface are respectively inclined-plane or cambered surface, and the length of first fitting surface is less than the length of second fitting surface.
4. safety strap auto-unlocking device according to claim 1 is characterized in that: also comprise outer cover; This outer cover is fixed in said firm banking, and surrounds the cavity that is used to hold said release pushing block, locating dowel pin, first spring, second spring and guide groove with said firm banking; Said first spring is opened between the madial wall and said release pushing block that peaks at outer cover, and said second spring is opened between the end of the inner top surface that peaks at outer cover and said locating dowel pin; This outer cover also is provided with a side opening, and said actuator is installed on this side opening place.
5. safety strap auto-unlocking device according to claim 4 is characterized in that: the inboard of the side opening of the corresponding said outer cover of said firm banking also has a wall, and this wall is provided with the opening that the said pushing part of a confession is passed through.
6. safety strap auto-unlocking device according to claim 1 is characterized in that: said drive division comprises gas generating agent, electro heat resistor wire and fully enclosed aerogenesis chamber; A said side of separating lock-pushing rod is fixed in the aerogenesis chamber, and the two ends of electro heat resistor wire are power connection end, is coated with gas generating agent on this electro heat resistor wire, and this electro heat resistor wire part of being coated with gas generating agent to stretch into aerogenesis indoor; Said pushing part is a catch bar, and an end sealed sliding of this catch bar is placed in the aerogenesis chamber, and the other end of this catch bar is aimed at the said lock-pushing rod of separating.
7. safety strap auto-unlocking device according to claim 1; It is characterized in that: said drive division comprises coil, the power lead that is connected with coil, the penetrating iron core of hollow and two ends; Iron core is fixedly installed in a said side of separating lock-pushing rod, and coil is wound in the iron core outside; Said pushing part is a Permanentmagnet bar, and this Permanentmagnet bar sliding sleeve is inboard in iron core, and an end of this Permanentmagnet bar is aimed at the said lock-pushing rod of separating.
8. safety strap auto-unlocking device according to claim 1 is characterized in that: said drive division comprises cylinder, and cylinder is provided with an admission port; Said pushing part is a piston rod, and this piston rod packing sliding sleeve is in cylinder, and an end of this piston rod is aimed at the said lock-pushing rod of separating.
9. safety strap auto-unlocking device according to claim 1; It is characterized in that: it is characterized in that: said slot is located at the sidewall of said firm banking; Said first pin-and-hole is located at the end face of said firm banking, and the bottom surface of said firm banking also is provided with opening corresponding with said first pin-and-hole and that be connected with said slot.
10. safety strap auto-unlocking device according to claim 1 is characterized in that: said firm banking also is provided with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210129731 CN102689618B (en) | 2012-04-27 | 2012-04-27 | Automatic unlocking device of safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210129731 CN102689618B (en) | 2012-04-27 | 2012-04-27 | Automatic unlocking device of safety belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102689618A true CN102689618A (en) | 2012-09-26 |
| CN102689618B CN102689618B (en) | 2013-12-25 |
Family
ID=46855402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210129731 Active CN102689618B (en) | 2012-04-27 | 2012-04-27 | Automatic unlocking device of safety belt |
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| Country | Link |
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| CN (1) | CN102689618B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995968A (en) * | 2012-12-31 | 2013-03-27 | 林昌 | Automatic unlocking device for push type lock catch |
| CN105857245A (en) * | 2016-05-12 | 2016-08-17 | 山东科技大学 | Automatic unbuckling device for safety belt |
| CN109131200A (en) * | 2018-08-01 | 2019-01-04 | 北汽福田汽车股份有限公司 | Safety belt tripper and vehicle for vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715096A (en) * | 1986-07-10 | 1987-12-29 | Fleming Joseph A | Thermally actuated seat belt fastener |
| US20050000069A1 (en) * | 2003-07-03 | 2005-01-06 | Bum-Choon Park | Automatic unbuckling seat belt system |
| CN202557480U (en) * | 2012-04-27 | 2012-11-28 | 中汽客汽车零部件（厦门）有限公司 | Automatic unlocking device for safety belt |
-
2012
- 2012-04-27 CN CN 201210129731 patent/CN102689618B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715096A (en) * | 1986-07-10 | 1987-12-29 | Fleming Joseph A | Thermally actuated seat belt fastener |
| US20050000069A1 (en) * | 2003-07-03 | 2005-01-06 | Bum-Choon Park | Automatic unbuckling seat belt system |
| CN202557480U (en) * | 2012-04-27 | 2012-11-28 | 中汽客汽车零部件（厦门）有限公司 | Automatic unlocking device for safety belt |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995968A (en) * | 2012-12-31 | 2013-03-27 | 林昌 | Automatic unlocking device for push type lock catch |
| CN105857245A (en) * | 2016-05-12 | 2016-08-17 | 山东科技大学 | Automatic unbuckling device for safety belt |
| CN105857245B (en) * | 2016-05-12 | 2019-02-26 | 山东科技大学 | A kind of safety belt captured tripper |
| CN109131200A (en) * | 2018-08-01 | 2019-01-04 | 北汽福田汽车股份有限公司 | Safety belt tripper and vehicle for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102689618B (en) | 2013-12-25 |
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