CN203032431U - Car seat rear end collision active type safety headrest device - Google Patents
Car seat rear end collision active type safety headrest device Download PDFInfo
- Publication number
- CN203032431U CN203032431U CN 201320029368 CN201320029368U CN203032431U CN 203032431 U CN203032431 U CN 203032431U CN 201320029368 CN201320029368 CN 201320029368 CN 201320029368 U CN201320029368 U CN 201320029368U CN 203032431 U CN203032431 U CN 203032431U
- Authority
- CN
- China
- Prior art keywords
- headrest
- pillow
- tooth bar
- triggering
- numbers
- 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
Images
Abstract
The utility model discloses a car seat rear end collision active type safety headrest device to solve the problem that response time is too long in the prior art. The active type safety headrest device comprises a headrest assembly, a trigger assembly and two pulling wires. The upper ends of the two pulling wires are fixedly connected with two metal blocks, the two metal blocks are inserted into through holes which are formed in the two metal block in a headrest box, and the lower ends of the two pulling wires are respectively fixedly connected with a lifting lug at the top end of a third trigger rack and a lifting lug at the top end of a second trigger rack in the trigger assembly. The headrest assembly comprises a headrest stepped shaft, a first headrest gear, a second headrest gear, a third headrest gear, a first headrest rack, a second headrest rack, a third headrest rack, the headrest box, metal blocks and a headrest moving plane. The trigger assembly comprises a trigger stepped shaft, a first trigger gear, a second trigger gear, a third trigger gear, a first trigger rack, the second trigger rack, the third trigger rack, a pressure plate, a horizontal guiding rod, a first fixing side plate, and a trigger locking block.
Description
Technical field
The utility model relates to a kind of for the head rest device on the automotive seat, and or rather, the utility model relates to a kind of automotive seat rear-end impact active safety pillow device.
Background technology
The car seat headrest device is at improving occupant's travelling comfort and guaranteeing the occupant to take safety and the device that arranges.Therefore, car seat headrest also has for the occupant provides a head and relies on and spacing backward defencive function except the comfort that guarantees the occupant.The neck protection effect is then based on seat, thereby head is with respect to last trunk motion protection neck backward during by back of seat and headrest restricting vehicle rear-end impact.
Rear-end collision is the frequent accident that takes place in the daily life, when the rear-end collision accident takes place, the automobile that is hit can accelerate to travel forward, occupant's trunk along with seat forward, and head is because effect of inertia produce to lag behind, the dislocation of motion makes occupant's neck be subjected to great stretching, at this moment, owing to produce difference between the amount of movement of the amount of movement of occupant's upper body and occupant's head, the injury of normal generation partly is exactly cervical vertebra, even as the same at low speed.Determine though concrete injured mechanism is still difficult, but the key factor of cervical vertebra injury being thought in medical research mostly, is that head causes with respect to the institute of acutely rocking of health because in the wings in the overtaking collision.Though neck injury is assessed as AIS1 by U.S. self-propelled vehicle medical science promotion association, i.e. slight damage.But it is in traffic accident, and especially the frequency that takes place in the rear-end impact is but very high, and probability is also very big, has brought enormous economic loss and burden on society to people.
Automotive headrest is as unique constraint of occupant's head and neck in the rear-end impact, and occupant's neck protection is had great function.SAHR AHR (Active Head Restraint) is a kind of the most common, the direct and effective and efficient manner that reduces the whiplash injury risk at present, it can make headrest and the distance of member's head reduce in a few tens of milliseconds after rear-end impact takes place, thereby or before rear-end impact takes place, predict danger and make a response, thereby reduce the risk of whiplash injury.
SAHR is mainly the SAHR of Purely mechanical at present, and the SAHR mechanism of Purely mechanical is simple, is convenient to install, but also exists transmission accuracy generally not high simultaneously, is difficult for realizing accurately control, simultaneously long problem of response time.
Summary of the invention
Technical problem to be solved in the utility model is to have overcome prior art to have the long problem of response time, and a kind of automotive seat rear-end impact active safety pillow device is provided.
For solving the problems of the technologies described above, the utility model is to adopt following technical scheme to realize: described automotive seat rear-end impact active safety pillow device, by the headrest assembly, trigger the assembly backguy identical with 2 root architectures and form, the identical backguy connection of employing 2 root architectures between headrest assembly and the triggering assembly.Described headrest assembly comprises headrest stepped shaft, 1 number pillow gear, 2 numbers pillow gear, 3 numbers pillow gear, 1 number pillow tooth bar, 2 numbers pillow tooth bar, 3 numbers pillow tooth bar, headrest chamber, 2 derby, headrest drop fronts and 2 headrest latch that structure is identical that structure is identical.
2 numbers pillows gear and 3 numbers pillow gear be installed in the stepped shaft two ends of resting the head on two in the axle journal place, 1 number pillow gear is installed in the midway location of headrest stepped shaft, two pilot pins at headrest stepped shaft two ends are installed on 2 headrest chamber sidewalls of headrest chamber to being rotationally connected, the middle part that 1 number pillow tooth bar is installed in the headrest chamber base plate of headrest chamber is sliding block joint, 1 number pillow tooth bar and 1 number pillow gear are for being connected with a joggle, 2 identical headrest latch of structure are installed on the headrest chamber base plate of 1 number pillow tooth bar both sides and are sliding block joint, it is sliding block joint that 2 numbers pillows tooth bar and 3 numbers pillow tooth bar are installed in the vertical chute on the headrest chamber sidewall, 2 numbers pillow tooth bar and 3 numbers pillow tooth bar are connected with a joggle with 2 numbers pillow gear and 3 numbers pillow gear successively, 2 identical derbies of structure are packed in the identical derby through hole of 2 structures on the headrest chamber sidewall, for elasticity is connected, the front end that headrest drop front and 1 number are rested the head on tooth bar welds to be fixed between the top end face of 2 numbers pillows tooth bar and 3 numbers pillow tooth bar and the headrest chamber top board.
Bottom face contact with 3 numbers pillow tooth bar is connected the top end face of the derby that 2 structures described in the technical scheme are identical with 2 numbers pillow tooth bar.
2 numbers pillow tooth bar described in the technical scheme is rested the head on the top end face of tooth bar and rested the head on 3 numbers and refers to for elasticity connects between the chamber top board: 2 numbers are rested the head on the top end face of tooth bar and 3 numbers pillow tooth bar and are rested the head on and between the chamber top board 2 tooth bar stage clips that structure is identical are installed.
The identical headrest latch of 2 structures described in the technical scheme is installed in the headrest latch chute on the headrest chamber base plate of 1 number pillow tooth bar both sides and is sliding block joint, 2 identical headrest latch of structure also are sleeved on an end of the identical locating piece of 2 structures that the locking stage clip is installed, on the headrest chamber base plate of the other end stuck-at-number pillow tooth bar both sides of locating piece.
Headrest chamber described in the technical scheme is the housing class formation spare of cuboid, by 2 headrest chamber sidewalls that structure is identical, headrest chamber base plate, headrest chamber top board is formed with headrest chamber rear wall, the inboard of the headrest chamber sidewall that 2 structures of headrest chamber are identical is provided with the vertical chute that 2 numbers pillow tooth bar and 3 numbers pillow tooth bar are installed and the derby through hole that derby is installed, 2 vertical chutes are in the same plane, the headrest chamber sidewall in 2 vertical chute the place aheads is provided with the headrest ladder axis hole that the headrest stepped shaft is installed, the rotation axis conllinear in 2 headrest stepped shaft holes, and and 2 vertical chute plane parallel of living in, 2 numbers pillow gear is installed, the headrest ladder axis hole that the headrest stepped shaft of 1 number pillow gear and 3 numbers pillow gear is installed on the headrest chamber sidewall is interior for being rotationally connected, headrest chamber base plate inboard is provided with the 1 number pillow tooth bar chute and the latch chute of resting the head on that the 1 number pillow tooth bar headrest latch identical with 2 structures is installed, 1 number pillow tooth bar chute intersects vertically mutually with headrest latch chute, and 1 number pillow tooth bar chute is in middle part and and the headrest stepped shaft square crossing of headrest chamber base plate.
Triggering assembly described in the technical scheme comprises the triggering stepped shaft, No. 1 triggering gear, No. 2 triggering gears, No. 3 triggering gears, No. 1 triggering tooth bar, No. 2 triggering tooth bars, No. 3 triggering tooth bars, pressure plate, horizontal guide rod, No. 1 fixed side, No. 2 fixed sides and 2 structure identical triggering latch.
Trigger gear for No. 3 and trigger gear for No. 2 and be installed on the middle axle journal that triggers the stepped shaft two ends, trigger gear No. 1 and be installed in the midway location that triggers stepped shaft, on No. 2 fixed sides that the pilot pin that triggers the stepped shaft two ends is installed in that the on even keel symmetry places and No. 1 fixed side No. 2 trigger in ladder axis holes and No. 1 triggering ladder axis hole, pressure plate adopts the welding fixed form to be fixed on the midway location of horizontal guide rod, laterally to insert No. 2 cross slide way grooves on No. 2 fixed sides and No. 1 fixed side and No. 1 cross slide way groove interior be sliding block joint at the two ends of guide rod, and weld fixed sturcture identical triggering latch at horizontal No. 2 fixed sides of the inboard, two ends of guide rod with No. 1 fixed side, triggering latch is connected with horizontal guide rod contact, triggering an end of tooth bar and the midway location welding of pressure plate for No. 1 fixes, trigger tooth bar for No. 1 and trigger gear for No. 1 being connected with a joggle, to trigger that the tooth bar chutes are equipped with No. 1 triggering tooth bar chute be sliding block joint with triggering on tooth bar and No. 2 fixed sides and No. 1 fixed side No. 2 for No. 2 to trigger tooth bars for No. 3.
Be provided with transition block between one end of No. 1 triggering tooth bar described in the technical scheme and the pressure plate, one end of transition block and the welding of the midway location of pressure plate are captiveed joint, the one end welding of the other end of transition block and No. 1 triggering tooth bar is captiveed joint, an end of transition block and the identical strengthening rib of the both sides up and down of pressure plate fixed connection place welding fixed sturcture.
No. 2 fixed sides and No. 1 fixed side described in the technical scheme are the plate structure spares of symmetrical configuration, and No. 2 fixed side is made up of 2 extra side plates, No. 2 interior plates and No. 2 connecting panels.2 extra side plates and No. 2 interior plates are parallel to each other, No. 2 connecting panels and an end vertical be connected of 2 extra side plates with No. 2 interior plates, be and be the zigzag framing member, the inboard of 2 extra side plates is provided with No. 2 identical cross slide way grooves of structure that are parallel to each other, the inboard of No. 2 interior plates is provided with No. 2 vertical triggering tooth bar chutes, and No. 2 interior plates are provided with installs No. 2 triggering ladder axis holes that trigger stepped shaft.
No. 1 fixed side is made up of 1 extra side plate, No. 1 interior plate and No. 1 connecting panel.1 extra side plate and No. 1 interior plate are parallel to each other, No. 1 connecting panel and an end vertical be connected of 1 extra side plate with No. 1 interior plate, be and be the zigzag framing member, the inboard of 1 extra side plate is provided with No. 1 identical cross slide way groove of structure that is parallel to each other, the inboard of No. 1 interior plate is provided with No. 1 vertical triggering tooth bar chute, and No. 1 interior plate is provided with installs No. 1 triggering ladder axis hole that triggers stepped shaft.
No. 2 fixed sides and No. 1 fixed side on even keel are installed setting symmetrically, No. 1 cross slide way groove structure that No. 2 cross slide way grooves that the structure that is parallel to each other is identical are identical with the structure that is parallel to each other is identical, in parallel and two horizontal surfaces that are parallel to each other that exist together of No. 1 cross slide way groove that No. 2 cross slide way grooves that the structure that is parallel to each other is identical are identical with the structure that is parallel to each other.Trigger the ladder axis hole No. 2.Identical with No. 1 triggering stepped shaft pore structure, No. 2 triggering ladder axis holes.Exist together on the horizon with the rotation axis that triggers the ladder axis hole for No. 1.It is identical with No. 1 triggering tooth bar chute structure to trigger the tooth bar chute for No. 2, No. 2 triggering tooth bar chutes and No. 1 triggering tooth bar chute being parallel to each other, and No. 2 triggering tooth bar chute is parallel with the rotation axis of No. 1 triggering ladder axis hole with No. 2 triggering ladder axis holes on the horizon that exists together with No. 1 residing perpendicular of triggering tooth bar chute.
Headrest assembly described in the technical scheme adopts the identical backguy of 2 root architectures to connect to refer to triggering between the assembly:
Captive joint with 2 identical derbies of structure in the upper end of the backguy that 2 root architectures are identical, the derby (26) that 2 structures are identical inserts in the identical derby through hole of 2 structures on the headrest chamber, the lower end of the backguy that 2 root architectures are identical and trigger in the assembly No. 3 and trigger tooth bars and be fixedly linked with hanger on No. 2 triggering tooth bar tops.
Headrest assembly described in the technical scheme is fixing with the headrest support welding by the identical outside support plate of 4 structures on the identical headrest chamber sidewall of 2 structures of headrest chamber, and the triggering assembly is weldingly fixed on No. 2 cushion frame side plates in the cushion frame and the inboard of No. 1 cushion frame side plate by 2 extra side plates in No. 2 fixed sides and No. 1 fixed side and 1 extra side plate.
Compared with prior art the beneficial effects of the utility model are:
1. automotive seat rear-end impact active safety pillow device rules checking
Height to headrest among the state compulsory standard GB 15083-2006 " automotive seat, Anchorage and headrest requirement of strength and test method " proposes: measure the length of ordering to R in the top of headrest along being parallel to the trunk datum line, the extreme higher position of front-row seats should be less than 800mm, and the extreme higher position of other seats should be less than 750mm.Automotive seat rear-end impact active safety pillow device described in the utility model is based on Cars front-row seats skeleton and develops design, the fixed form and the position that have kept the original chair headrest support, and satisfy greater than 800mm the extreme higher position of original chair headrest, therefore, automotive seat rear-end impact active safety pillow device described in the utility model satisfies laws and regulations requirement.
2. automotive seat rear-end impact active safety pillow device safeguard function checking
Neck injury criterion NIC is present the most widely used a kind of neck injury critical for the evaluation, it also is researcher's critical for the evaluation of convincing the most, it has passed through many-sided checkings such as volunteer's test, mechanical dummy (as rear-end impact dummy BioRID II) test and computer simulation experiment, has proved absolutely the accuracy of its evaluation neck injury.Usually, the researcher utilizes maxim NICmax in the preceding 150ms of NIC after rear-end impact takes place to estimate the degree of neck injury.
Consult Fig. 2, most cervical injuries occurs in velocity variable and arrives within the scope of 20km/h at 10km/h, and corresponding deceleration/decel approximately is 5g.Deceleration/decel can not injure usually less than 2.5g's.Therefore, select rear-end impact accelerating curve as shown in FIG. for use, velocity variable is 18km/h, and acceleration peak value is 9.0g, and time length is 90ms, and this curve satisfies the requirement in U.S. FMVSS 202 dynamic test intervals.
Consult Fig. 3, be to analyze through rear-end collision Collision test analogue simulation among the figure, former headrest and automotive seat rear-end impact active safety pillow device NIC numerical value described in the utility model contrast, heavy line, fine line are respectively former car seat headrest, automotive seat rear-end impact active safety pillow device NIC response curve, abscissa is the time, the ms of unit, ordinate are neck injury criterion NIC, the m2/s2 of unit.As can be known, adopt former car seat headrest, the 17.5m2/s2 that occupant's neck injury criterion NIC maxim is, when using automotive seat rear-end impact active safety pillow device described in the utility model and launching fully, neck injury criterion NIC maxim is reduced to 12.8m2/s2.It is about 27% that NICmax has numerically reduced, and namely in the rear-end impact process, the active safety headrest can reduce by occupant's cervical injuries of 27%.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the axonometric projection graph that is in the automotive seat rear-end impact active safety pillow apparatus structure composition described in the utility model of initial condition;
Fig. 2 is the selected rear-end impact accelerating curve of checking automotive seat rear-end impact active safety pillow device safeguard function described in the utility model;
Fig. 3 is former headrest and automotive seat rear-end impact active safety pillow device described in the utility model NIC numerical curve comparison diagram in rear-end impact;
Fig. 4-a is No. 1 axonometric projection graph of the triggering assembly in the automotive seat rear-end impact active safety pillow device described in the utility model;
Fig. 4-b is No. 2 axonometric projection graphs of the triggering assembly in the automotive seat rear-end impact active safety pillow device described in the utility model;
Fig. 5-a triggers the axonometric projection graph that assembly triggers preceding laterally guide rod, triggers latch position relation in the automotive seat rear-end impact active safety pillow device described in the utility model;
Fig. 5-b triggers assembly to trigger the laterally axonometric projection graph of guide rod, triggering latch position relation of back in the automotive seat rear-end impact active safety pillow device described in the utility model;
Fig. 6 is the axonometric projection graph that triggers the fixed side of assembly in the automotive seat rear-end impact active safety pillow device described in the utility model;
Fig. 7 is the axonometric projection graph that triggers the triggering stepped shaft of assembly in the automotive seat rear-end impact active safety pillow device described in the utility model;
Fig. 8 is the axonometric projection graph that triggers triggering stepped shaft, gear and the tooth bar annexation of assembly in the automotive seat rear-end impact active safety pillow device described in the utility model;
Fig. 9-a triggers the initial intermeshing triggering gear of assembly, the axonometric projection graph of tooth bar in the automotive seat rear-end impact active safety pillow device described in the utility model;
Fig. 9-b is the axonometric projection graph that triggers intermeshing triggering gear after the collision of assembly, tooth bar in the automotive seat rear-end impact active safety pillow device described in the utility model;
Figure 10-a is the axonometric projection graph of headrest assembly in the automotive seat rear-end impact active safety pillow device described in the utility model;
Figure 10-b is the axonometric projection graph that removes the headrest assembly of headrest drop front in the automotive seat rear-end impact active safety pillow device described in the utility model;
Figure 10-c is the axonometric projection graph of headrest assembly that removes another angle of headrest drop front in the automotive seat rear-end impact active safety pillow device described in the utility model;
Figure 11 is the axonometric projection graph of headrest stepped shaft, gear and the tooth bar annexation of headrest assembly in the automotive seat rear-end impact active safety pillow device described in the utility model;
Figure 12-a is the axonometric projection graph of derby, gear and tooth bar annexation before the headrest assembly triggers in the automotive seat rear-end impact active safety pillow device described in the utility model;
Figure 12-b is the axonometric projection graph of derby, gear and tooth bar annexation after the headrest assembly triggers in the automotive seat rear-end impact active safety pillow device described in the utility model;
Figure 13 is the axonometric projection graph of the headrest latch installation site of headrest assembly in the automotive seat rear-end impact active safety pillow device described in the utility model;
Figure 14-a is the axonometric projection graph before the triggering assembly in the automotive seat rear-end impact active safety pillow device described in the utility model triggers;
Figure 14-b is the axonometric projection graph after the triggering assembly in the automotive seat rear-end impact active safety pillow device described in the utility model triggers;
Figure 15-a is the axonometric projection graph that namely triggers before the headrest assembly backguy pulling in the automotive seat rear-end impact active safety pillow device described in the utility model before assembly triggers;
Figure 15-b is the axonometric projection graph that namely triggers after the headrest assembly backguy pulling in the automotive seat rear-end impact active safety pillow device described in the utility model after assembly triggers;
Figure 16 is automotive seat rear-end impact active safety pillow device described in the utility model hard-wired axonometric projection graph on the backrest skeleton;
Figure 17 is the headrest chamber of headrest assembly in the automotive seat rear-end impact active safety pillow device described in the utility model and the axonometric projection graph that headrest support is welded to connect relation;
Among the figure: 1. the assembly of resting the head on, 2. trigger assembly, 3. backguy, 4. triggering stepped shaft triggers gears No. 5.1, triggers gears No. 6.2,7.3 number triggering gear, No. 8.1 triggering tooth bars, No. 9.2 triggering tooth bars, 10.3 number triggering tooth bar, 11. pressure plates, 12. strengthening ribs, 13. horizontal guide rod, 14. transition block, No. 15.1 fixed sides, 16. the triggering latch, No. 17.2 cross slide way grooves, 18. headrest stepped shaft, 19.1 number pillow gear, 20.2 numbers pillow tooth bar, 21.3 numbers pillow tooth bar, 22.1 number pillow tooth bar, 23.2 numbers pillow gear, 24.3 numbers pillow gear, 25. the headrest chamber, 26. derbies, 27. tooth bar stage clips, 28. locking stage clip, 29. the headrest drop front, 30. headrest latch, No. 31.2 triggering ladder axis holes, 32.2 number triggering tooth bar chute, 33. the cushion frame side plate, 34. headrest plastic sleeves, 35. headrest metal sleeves, 36. the pipe support, 37. headrest supports.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is explained in detail:
Automotive seat rear-end impact active safety pillow device described in the utility model comprises headrest assembly 1 and triggers assembly 2, and headrest assembly 1 adopts the identical backguy of 2 root architectures 3 connections with triggering between the assembly 2.
Consult Fig. 4-a and Fig. 4-b, described triggering assembly 2 comprise trigger that stepped shaft triggers gear 5 for 4, No. 1, triggers gear 6 for No. 2, triggers gear 7 for No. 3, triggers tooth bar 8 for No. 1, triggers tooth bar 9 for No. 2, triggers tooth bar 10 for No. 3, pressure plate 11, strengthening rib 12 that 2 structures are identical, laterally guide rod 13, transition block 14, No. 1 fixed side 15, No. 2 fixed sides and 2 structure identical triggering latch 16.Wherein: trigger gear 5 No. 1, to trigger gears 6 for No. 2 identical with the structure of No. 3 triggering gears 7; Trigger tooth bar 8 for No. 1, to trigger tooth bars 9 for No. 2 identical with the structure of No. 3 triggering tooth bars 10.
Consult Fig. 6, described No. 2 fixed sides and No. 1 fixed side 15 are plate structure spares of symmetrical configuration, No. 2 fixed side is made up of 2 extra side plates, No. 2 interior plates and No. 2 connecting panels, 2 extra side plates and No. 2 interior plates are parallel to each other, No. 2 connecting panels and an end vertical be connected of 2 extra side plates with No. 2 interior plates are the zigzag framing member.The inboard of 2 extra side plates is provided with No. 2 identical cross slide way grooves 17 of structure that are parallel to each other; The inboard of No. 2 interior plates is provided with vertical 32, No. 2 interior plates of No. 2 triggering tooth bar chutes and is provided with No. 2 triggering ladder axis holes 31 that triggering stepped shaft 4 is installed.
No. 1 fixed side 15 is made up of 1 extra side plate, No. 1 interior plate and No. 1 connecting panel, and 1 extra side plate and No. 1 interior plate are parallel to each other, and No. 1 connecting panel and an end vertical be connected of 1 extra side plate with No. 1 interior plate are the zigzag framing member.The inboard of 1 extra side plate is provided with No. 1 identical cross slide way groove of structure that is parallel to each other; The inboard of No. 1 interior plate is provided with No. 1 vertical triggering tooth bar chute, and No. 1 interior plate is provided with installs No. 1 triggering ladder axis hole that triggers stepped shaft 4.
No. 2 fixed sides and No. 1 fixed side 15 on even keels are installed setting symmetrically, so No. 1 cross slide way groove structure that No. 2 cross slide way grooves 17 that the structure that is parallel to each other is identical are identical with the structure that is parallel to each other is identical, in parallel and two horizontal surfaces that are parallel to each other that exist together of No. 1 cross slide way groove that No. 2 cross slide way grooves 17 that the structure that is parallel to each other is identical are identical with the structure that is parallel to each other; It is identical with No. 1 triggering stepped shaft pore structure to trigger ladder axis hole 31 for No. 2, and the rotation axis of No. 2 triggering ladder axis holes 31 and No. 1 triggering ladder axis hole exists together on the horizon; It is identical with No. 1 triggering tooth bar chute structure to trigger tooth bar chute 32 for No. 2, No. 2 triggering tooth bar chutes 32 and No. 1 triggering tooth bar chute being parallel to each other, and No. 2 triggering tooth bar chute 32 is parallel with the rotation axis of No. 1 triggering ladder axis hole with No. 2 triggering ladder axis holes 31 on the horizon that exists together with No. 1 residing perpendicular of triggering tooth bar chute.
Consult Fig. 7, described triggering stepped shaft 4 is bar class formation spare, and two ends are the identical step-by-step construction of structure, and namely triggering stepped shaft 4 is symmetrical structure spare on the whole with the center.Install No. 3 triggering gears 7 and trigger gears 6 No. 2 at the middle axle journal place that triggers the two ends of stepped shaft 4, trigger stepped shaft 4 in the middle of the place be that install No. 1 and triggers gear 5 at big axle journal place, the pilot pin place that triggers stepped shaft 4 two ends is installed on No. 2 fixed sides and No. 1 fixed side 15 No. 2 and triggers in ladder axis holes 31 and No. 1 triggering ladder axis hole.Wherein, for the ease of triggering the installation of gear 5 for No. 1, will trigger stepped shaft 4 is that the boundary is divided into two parts and processes with middle 3.5mm, after triggering the installation end of gear 5 No. 1, and weld together again.Triggering stepped shaft 4 length among the embodiment are 126mm, stepped radius is followed successively by 2.8mm, 3.5mm, 4.5mm, 3.5mm, 4.5mm, 3.5mm, 2.8mm, wherein: the axle journal of 2.8mm is installed on No. 2 fixed sides and No. 1 fixed side 15 No. 2 and triggers in ladder axis holes 31 and No. 1 triggering ladder axis hole, 3.5mm the axle journal place install and to trigger gears 7 for No. 3 and trigger gears 6 with No. 2, triggering gear 5 is installed at the axle journal place of 4.5mm No. 1.Pressure plate 11 adopts welding process to be fixed on the midway location of horizontal guide rod 13, it is interior for contacting sliding block joint with No. 1 cross slide way groove with No. 2 cross slide way grooves 17 on the 1 extra side plate that laterally 2 extra side plates are inserted in No. 2 fixed sides and No. 1 fixed side 15 at the two ends of guide rod 13, and at the laterally 2 extra side plates and 1 extra side plate welding fixed sturcture identical triggering latch 16 of the inboard, two ends of guide rod 13, trigger latch 16 and be connected with horizontal guide rod 13 interior side contacts.Consult Fig. 5-a and Fig. 5-b, in the time of automobile generation rear-end collision, because the effect of force of inertia, occupant's waist is squeeze pressure plate 11 backward, triggering latch 16 comes off, and (triggering latch 16 does not generally speaking come off, to prevent the appearance of false triggering), laterally guide rod 13 moves backward along No. 2 cross slide way grooves 17 and No. 1 cross slide way groove under the promotion of pressure plate 11.
The midway location of transition block 14 and pressure plate 11 is weldingly fixed on together, for guarantee stressed evenly and intensity enough, fixed the identical strengthening rib 12 of structure in the welding of the both sides up and down of transition block.The other end of transition block 14 is captiveed joint with No. 1 triggering tooth bar 8 welding, triggering tooth bar 8 for No. 1 is connected with a joggle with No. 1 triggering gear 5 that is installed in triggering stepped shaft 4 middle places that is in the below, be converted to the rotation that triggers stepped shaft 4 by triggering tooth bar 8 No. 1 and triggering the parallel motion that gear 5 is connected with a joggle pressure plate 11 for No. 1, the rotation that triggers stepped shaft 4 drives No. 3 triggering gears 7 that are installed in triggering stepped shaft 4 two ends and triggers gears 6 for No. 2 and rotate, drive triggers vertical direction and No. 3 that gear 7 triggers tooth bars 10 with No. 3 that trigger that gear 6 is meshed for No. 2 and No. 2 triggering tooth bars 9 move downward, in order to guarantee the position in No. 3 triggering tooth bars 10 and No. 2 triggering tooth bar 9 spaces, shown in Fig. 9-a and Fig. 9-b, triggering in tooth bars 10 and the T shape guide rail that triggers tooth bar 9 arranged outside for No. 2 and No. 2 fixed sides and No. 1 fixed side 15 No. 2 of T shape on No. 2 interior plates and No. 1 interior plate for No. 3, to trigger that tooth bar chutes 32 and No. 1 triggering tooth bar chute be equipped be sliding block joint, then spurring the identical backguy of 2 root architectures 3 moves downward, the top of triggering tooth bar 10 and No. 2 triggering tooth bars 9 for No. 3 is provided with hanger mechanism, and the backguy 3 one that 2 root architectures are identical (descending) end and No. 3 triggering tooth bars 10 and the hanger that triggers on the tooth bar 9 for No. 2 are fixedly linked.
Among the embodiment, trigger the module of gear m=0.5mm of gear 5, No. 2 triggering gears 6 and No. 3 triggering gears 7 for No. 1, reference diameter d=20mm, tip diameter da=21.25mm, root diameter df=18.75mm, number of teeth z=40, facewidth B=5mm, trigger the number of teeth z=13 of tooth bar 8, No. 2 triggering tooth bars 9 and No. 3 triggering tooth bars 10 for No. 1, length l=20mm, facewidth B=5mm.The thickness of pressure plate 11 is 2mm, and area is 110mm * 55mm, and material is Q235.
Consult Figure 10-a, Figure 10-b and Figure 10-c, described headrest assembly 1 comprises headrest stepped shaft 18,1 number pillow gear 19,2 numbers pillow gear 23,3 numbers pillow gear 24,1 number pillow tooth bar 22,2 numbers pillow tooth bar 20,3 numbers pillow tooth bar 21, headrest chamber 25,2 derby 26,2 tooth bar stage clip 27,2 locking stage clip 28, headrest drop fronts 29 and 2 headrest latch 30 that structure is identical that structure is identical that structure is identical that structure is identical.Wherein: it is identical and the same with the specification that triggers No. 1 triggering gear 5 in the assembly 2, No. 2 triggering gears 6 and No. 3 triggering gears 7 with the structure of 3 numbers pillow gear 24 that 2 numbers are rested the head on gear 23; It is identical and the same with the specification that triggers No. 1 triggering tooth bar 8 in the assembly 2, No. 2 triggering tooth bars 9, No. 3 triggering tooth bars 10 with the structure of 3 numbers pillow tooth bar 21 that 2 numbers are rested the head on tooth bar 20; 1 number pillow gear 19 and 1 number pillow tooth bar 22 then are 2 numbers pillow gear 23 and 3 numbers pillow gear 24 and 2 numbers pillow tooth bar 20 and 3 numbers pillow tooth bar, 21 specifications 2 times.
Consult Figure 11, the structure of described headrest stepped shaft 18 is the same with triggering stepped shaft 4 in triggering assembly 1 to be bar class formation spare, and two ends are the identical step-by-step construction of structure, and the stepped shaft 18 of namely resting the head on is symmetrical structure spare on the whole with the center.Headrest stepped shaft 18 two ends two in the axle journal place 2 numbers pillow gear 23 be installed rest the head on gear 24 with 3 numbers, the place is that big axle journal place is equipped with 1 number pillow gear 19 in the middle of the headrest stepped shaft 18, and the two pilot pin places at headrest stepped shaft 18 two ends are installed on the identical headrest chamber sidewall of 2 structures of headrest chamber 25 to being rotationally connected.Installation process adopts the step the same with triggering stepped shaft 4, and the stepped shaft 18 of will resting the head on is that the boundary is divided into two parts and processes with middle 3.5mm, after the installation end of No. 1 triggering gear 5, and weld together again.The length overall of the headrest stepped shaft 18 among the embodiment is 126mm, the stepped shaft radius is followed successively by 2.8mm, 3.5mm, 4.5mm, 3.5mm, 4.5mm, 3.5mm, 2.8mm, wherein: the axle journal of 2.8mm is installed in the hole on headrest chamber 25 two sides, 3.5mm axle journal 2 numbers pillows gear 23 and 3 numbers pillow gear 24 are installed, the axle journal of 4.5mm is installed 1 number and is rested the head on gear 19.
Described headrest chamber 25 is the housing class formation spare of cuboid, by 2 headrest chamber sidewalls that structure is identical, headrest chamber base plate, headrest chamber top board is formed with headrest chamber rear wall, adopting material is the metal sheet of Q235, be integral by the welding process captive joint, the outside support plate that 4 structures on the identical headrest chamber sidewall of 2 structures of headrest chamber 25 are identical is fixed with headrest support 37 welding, the inboard of the headrest chamber sidewall that 2 structures of headrest chamber 25 are identical is provided with the vertical chute that 2 numbers pillow tooth bar 20 and 3 numbers pillow tooth bar 21 are installed and the derby through hole that derby 26 is installed, 2 vertical chutes are in the same plane, the headrest chamber sidewall in 2 vertical chute the place aheads is provided with the headrest ladder axis hole that headrest stepped shaft 18 is installed, the rotation axis conllinear in 2 headrest stepped shaft holes, and and 2 vertical chute plane parallel of living in.It is interior for being rotationally connected that the headrest ladder axis hole that the headrest stepped shaft 18 of 2 numbers pillows gear 23,1 number pillow gear 19 and 3 numbers pillow gear 24 is installed on the headrest chamber sidewall is installed.Headrest chamber base plate inboard is provided with the 1 number pillow tooth bar chute and the latch chute of resting the head on that the 1 number pillow tooth bar 22 headrest latch 30 identical with 2 structures is installed, 1 number pillow tooth bar chute intersects vertically mutually with headrest latch chute, and 1 number pillow tooth bar chute is in middle part and and headrest stepped shaft 18 square crossings of headrest chamber base plate.
1 number pillow tooth bar 22 is installed in the 1 number pillow tooth bar chute and is sliding block joint, and 1 number pillow tooth bar 22 and 1 number pillow gear 19 are for being connected with a joggle.2 identical headrest latch 30 of structure are installed in the headrest latch chute on the headrest chamber base plate of 1 number pillow tooth bar, 22 both sides and are sliding block joint, be set with on the headrest chamber base plate of end stuck-at-number pillow tooth bar 22 both sides of the identical locating piece of 2 structures of locking stage clip 28,2 identical headrest latch 30 of structure are sleeved on the other end of the identical locating piece of 2 structures and are sliding block joint, and namely locking stage clip 28 is positioned at a side of headrest latch 30.It is sliding block joint that 2 numbers pillows tooth bar 20 and 3 numbers pillow tooth bar 21 are installed in the vertical chute on the headrest chamber sidewall, 2 numbers pillow tooth bar 20 and 3 numbers pillow tooth bar 21 are connected with a joggle with 2 numbers pillow gear 23 and 3 numbers pillow gear 24 successively, 2 identical derbies 26 of structure are packed in the identical derby through hole of 2 structures on the headrest chamber sidewall, and the top end face of the derby 26 that 2 structures are identical and 2 numbers pillow tooth bar 20 contact with the bottom face of 3 numbers pillow tooth bar 21 and be connected.Between the top end face of 2 numbers pillows tooth bar 20 and 3 numbers pillow tooth bar 21 and the headrest chamber top board 2 tooth bar stage clips 27 that structure is identical are installed, namely 2 numbers pillow tooth bar 20 is rested the head on the top end face of tooth bar 21 and is rested the head on 3 numbers and is connected for elasticity between the chamber top board.
Consult Figure 12-a and Figure 12-b, the assembly 1 of resting the head at ordinary times is in initially (contraction) state, because the position-limiting action of the identical derby 26 of 2 structures, 2 numbers pillow tooth bar 20 and 3 numbers pillow tooth bar 21 can't move downward along the chute on the chamber sidewall of resting the head on.When rear-end impact takes place after, through triggering the effect of assembly 1, backguy 3 spurs downwards, 2 identical derbies 26 of structure are pulled out, the position-limiting action that has lacked derby 26,2 numbers pillows tooth bar 20 and 3 numbers are rested the head on tooth bar 21 and are moved downward under the driving of the identical tooth bar stage clip 27 of 2 structures, 2 numbers pillow gear 23 and 3 numbers pillow gear 24 that drive and 2 numbers pillow tooth bar 20 are meshed with 3 numbers pillow tooth bar 21 rotate synchronously, and then headrest stepped shaft 18 rotates synchronously, the 1 number pillow gear 19 that is positioned at headrest stepped shaft 18 middle parts rotates synchronously, driving 1 number pillow tooth bar 22 travels forward, because headrest drop front 29 adopts welding process to captive joint with an end of 1 number pillow tooth bar 22, therefore, headrest drop front 29 is finished motion forward, and the assembly 1 of so far resting the head on is opened.Consult Figure 13, headrest chamber 25 is provided with headrest latch 30 latch functions is provided, after headrest is opened fully, under the driving of locking stage clip 28,2 headrest latch 30 closures that structure is identical, limited the position of 1 number pillow tooth bar 2, avoided because the head antagonistic force makes drop front 29 generation of return situation backward of resting the head on.
Consult Figure 14-a, 14-b, 15-a and 15-b, be respectively the workflow diagram of the triggering assembly 2 in the automotive seat rear-end impact active safety pillow device described in the utility model and the assembly 1 of resting the head on.When automobile generation rear-end impact, triggering assembly 2 responds at first, the occupant is waist squeeze pressure plate 11 under action of inertia, 2 structure identical triggering latch 16 come off, under the promotion of pressure plate 11, laterally guide rod 13 moves backward along No. 2 cross slide way grooves 17 and No. 1 cross slide way groove, by intermeshing triggering rack-and-gear, with the conversion of motion backward of pressure plate 11 for triggering the rotation of stepped shaft 4, drive the triggering tooth bar and move downward, thereby spur 2 backguys 3 that structure is identical downwards.2 identical backguys 3 of structure are subjected to downward pulling force, because the length of backguy 3 is certain, therefore the pulling of the lower end identical derby 26 of 2 structures that causes resting the head in the chamber 25 is drawn out, owing to lacked the position-limiting action of the identical derby 26 of 2 structures, under the double action that triggers the identical tooth bar stage clip 27 of tooth bar gravity and 2 structures, 2 numbers pillow tooth bar 20 and 3 numbers pillow tooth bar 21 move downward, drive headrest stepped shaft 18 and begin to rotate, realize travelling forward of headrest drop front 29 by intermeshing headrest rack-and-gear.In headrest drop front 29 proal processes, the identical headrest latch 30 of 2 structures is closed mutually under the effect of the identical locking stage clip 28 of 2 structures, define the position of headrest drop front 29, the situation generation of having avoided headrest drop front 29 to rebound because being subjected to the head antagonistic force, and the final headrest drop front 29 of realizing moves forward the function of 40mm.
Consulting Figure 16 and Figure 17, is automotive seat rear-end impact active safety pillow device installation site and annexation on the backrest skeleton among the figure.Trigger No. 2 fixed sides and No. 1 fixed side 15 employing welding manner in the assembly 2 and be fixed on No. 2 cushion frame side plates 33 in the cushion frame and the inboard of No. 1 cushion frame side plate.The headrest metal sleeve 35 that the identical headrest plastic sleeve 34 of two structures is identical with two structures is original part of former car seat back frame, the headrest plastic sleeve 34 that two structures are identical be closely connection among inserting the identical headrest metal sleeve 35 of two structures, two identical headrest metal sleeves 35 of structure adopt the welding fixed form to be distributed on the pipe support 36, headrest support 37 inserts in the headrest plastic sleeve 34, groove on the headrest support 37 is locked with the snap close in the headrest plastic sleeve 34, forms the gear of automotive seat rear-end impact active safety head rest device.Headrest assembly 1 adopts the welding fixed form chamber 25 of will resting the head on to be connected with headrest support 37.Headrest assembly 1 with trigger the backguy 3 that employing 2 root architectures are identical between the assembly 2 and be connected, or rather, captive joint with 2 identical derbies 26 of structure in the upper end of the backguy 3 that 2 root architectures are identical, the derby 26 that 2 structures are identical inserts in the identical derby through hole of 2 structures on the headrest chambers 25, the lower end of the backguy 3 that 2 root architectures are identical and trigger in the assembly 2 No. 3 and trigger tooth bars 10 and be fixedly linked with hanger on No. 2 triggering tooth bar 9 tops.
The principle of work of automotive seat rear-end impact active safety pillow device:
When automobile generation rear-end impact, occupant's waist begins to push the pressure plate 11 that triggers in the assembly 2, the squeese pressure of moment makes two root architecture identical triggering latch 16 on No. 1 fixed side 15 and No. 2 fixed sides come off, exactly, two root architecture identical triggering latch 16 are connected with two end in contact of horizontal guide rod 13, two root architecture identical triggering latch 16 come off from No. 1 fixed side 15 and No. 2 fixed sides after squeese pressure reaches a certain fixed value backward, laterally guide rod 13 beginnings motion in cross slide way groove 17, thereby continuation trigger process, the appearance of false triggering can actv. be avoided in the existence of this structure, pressure plate 11 moves backward along No. 2 cross slide way grooves 17 and No. 1 cross slide way groove on No. 2 fixed sides and No. 1 fixed side 15, trigger tooth bar 8 motion backward thereupon for No. 1, trigger No. 1 triggering gear 5 rotations that tooth bar 8 is meshed with No. 1, drive and trigger stepped shaft 4 rotations, be connected No. 2 triggering gears 6 that trigger stepped shaft 4 two ends and trigger gears 7 for No. 3 also along with rotation by key, trigger gears 6 and the rotation that triggers gears 7 for No. 3 for No. 2 and drive No. 2 of being meshed with it and trigger tooth bars 9 and trigger tooth bars 10 No. 3 and move down, and then spur the identical backguy 3 of two root architectures that is connected with No. 3 triggering tooth bars 10 with No. 2 triggering tooth bars 9 downwards.Backguy 3 moves downward, therefore, the derby 26 that two root architectures that backguy 3 other ends identical with two root architectures are captiveed joint are identical is pulled out from headrest chamber 25, owing to there has not been the position-limiting action of derby 26,2 numbers pillow tooth bar 20 and 3 numbers pillow tooth bar 21 move downward under the impetus of tooth bar stage clip 27, the 2 numbers pillow gear 23 that is meshed with it, 3 numbers pillow gear 24 rotates thereupon, driving headrest stepped shaft 18 simultaneously rotates, 1 number pillow gear 19 on the headrest stepped shaft 18 also rotates synchronously, the 1 number pillow tooth bar 22 that is meshed with 1 number pillow gear 19 is finished level movement forward, headrest drop front 29 together moves forward, after the drop front 29 of namely resting the head on after headrest drop front 29 is opened fully reaches desired location, under the effect of locking stage clip 28, headrest latch 30 in the headrest chamber 25 ejects, realize limit function, drop front 29 and retraction after head contacts thereby actv. prevents from resting the head on.
Automotive seat rear-end impact active safety pillow apparatus features described in the utility model is: after rear-end collision takes place, waist squeeze pressure plate, preliminary absorption portion energy, the drop front 29 of resting the head on is afterwards finished the motion of 40mm forward, feasible headrest drop front 29 contact head more early, reduce the poor of displacement between head and the chest, effectively reduced the risk of occupant's neck injury; Adopt gear ﹠ rack structure, safety is higher; Adopt the identical backguy of two root architectures 3 transmissions simultaneously, response time is shorter; In triggering assembly 2 and headrest assembly 1, all be provided with the structure of headrest latch 30 and derby 26, avoided the phenomenon of false triggering and mechanism's resilience to take place.This apparatus structure is simple, is convenient to installation and maintenance, has reduced cost as far as possible.
Claims (10)
1. automotive seat rear-end impact active safety pillow device, by headrest assembly (1), triggering assembly (2) backguy (3) identical with 2 root architectures forms, headrest assembly (1) with trigger backguy (3) connection of adopting 2 root architectures identical between the assembly (2), it is characterized in that described headrest assembly (1) comprises headrest stepped shaft (18), 1 number pillow gear (19), 2 numbers pillow gear (23), 3 numbers pillow gear (24), 1 number pillow tooth bar (22), 2 numbers pillow tooth bar (20), 3 numbers pillow tooth bar (21), headrest chamber (25), 2 derbies (26) that structure is identical, headrest drop front (29) and 2 headrest latch (30) that structure is identical;
2 numbers pillows gears (23) and 3 numbers pillow gears (24) be installed in headrest stepped shaft (18) both sides two in the axle journal place, 1 number pillow gear (19) is installed in the midway location of headrest stepped shaft (18), two pilot pins at headrest stepped shaft (18) two ends are installed on 2 headrest chamber sidewalls of headrest chamber (25) to being rotationally connected, the middle part that 1 number pillow tooth bar (22) is installed in the headrest chamber base plate of headrest chamber (25) is sliding block joint, 1 number pillow tooth bar (22) is rested the head on gear (19) for being connected with a joggle with 1 number, 2 identical headrest latch (30) of structure are installed on the headrest chamber base plate of 1 number pillow tooth bar (22) both sides and are sliding block joint, 2 numbers pillows tooth bars (20) and 3 numbers pillow tooth bars (21) are installed in the vertical chute on the headrest chamber sidewall and are sliding block joint, 2 numbers pillow tooth bars (20) are connected with a joggle with 2 numbers pillow gears (23) and 3 numbers pillow gears (24) successively with 3 numbers pillow tooth bars (21), 2 identical derbies (26) of structure are packed in the identical derby through hole of 2 structures on the headrest chamber sidewall, for elasticity is connected, the front end that headrest drop front (29) and 1 number are rested the head on tooth bar (22) welds to be fixed between the top end face of 2 numbers pillows tooth bars (20) and 3 numbers pillow tooth bars (21) and the headrest chamber top board.
2. according to the described automotive seat rear-end impact of claim 1 active safety pillow device, it is characterized in that the top end face of the derby (26) that described 2 structures are identical is connected with the bottom face contact of 3 numbers pillow tooth bars (21) with 2 numbers pillow tooth bars (20).
3. according to the described automotive seat rear-end impact of claim 1 active safety pillow device, it is characterized in that described 2 numbers pillow tooth bars (20) are rested the head on the top end face of tooth bars (21) and rested the head on 3 numbers and refer to for elasticity is connected between the chamber top board:
2 numbers pillow tooth bars (20) are rested the head on the top end face of tooth bars (21) and are rested the head on 3 numbers and between the chamber top board 2 tooth bar stage clips (27) that structure is identical are installed.
4. according to the described automotive seat rear-end impact of claim 1 active safety pillow device, it is characterized in that, the headrest latch (30) that described 2 structures are identical is installed in the headrest latch chute on the headrest chamber base plate of 1 number pillow tooth bar (22) both sides and is sliding block joint, 2 identical headrest latch (30) of structure also are sleeved on an end of the identical locating piece of 2 structures that locking stage clip (28) is installed, on the headrest chamber base plate of other end stuck-at-number pillow tooth bar (22) both sides of locating piece.
5. according to the described automotive seat rear-end impact of claim 1 active safety pillow device, it is characterized in that, described headrest chamber (25) is the housing class formation spare of cuboid, by 2 headrest chamber sidewalls that structure is identical, headrest chamber base plate, headrest chamber top board is formed with headrest chamber rear wall, the inboard of the headrest chamber sidewall that 2 structures of headrest chamber (25) are identical is provided with installs the derby through hole that 2 numbers pillow tooth bars (20) are rested the head on the vertical chute of tooth bars (21) with 3 numbers and derby (26) is installed, 2 vertical chutes are in the same plane, the headrest chamber sidewall in 2 vertical chute the place aheads is provided with the headrest ladder axis hole that headrest stepped shaft (18) is installed, the rotation axis conllinear in 2 headrest stepped shaft holes, and and 2 vertical chute plane parallel of living in, 2 numbers pillow gear (23) is installed, the headrest ladder axis hole that the headrest stepped shaft (18) of 1 number pillow gear (19) and 3 numbers pillow gears (24) is installed on the headrest chamber sidewall is interior for being rotationally connected, headrest chamber base plate inboard is provided with the 1 number pillow tooth bar chute and the latch chute of resting the head on that 1 number pillow tooth bar (22) the headrest latch (30) identical with 2 structures is installed, 1 number pillow tooth bar chute intersects vertically mutually with headrest latch chute, and 1 number pillow tooth bar chute is in middle part and and headrest stepped shaft (18) square crossing of headrest chamber base plate.
6. according to the described automotive seat rear-end impact of claim 1 active safety pillow device, it is characterized in that, described triggering assembly (2) comprises and triggers stepped shaft (4), triggers gear (5) No. 1, triggers gear (6) for No. 2, triggers gear (7) for No. 3, triggers tooth bar (8) for No. 1, triggers tooth bar (9) for No. 2, triggers tooth bar (10) for No. 3, pressure plate (11), laterally guide rod (13), No. 1 fixed side (15), No. 2 fixed sides and 2 structure identical triggering latch (16);
Triggering gear (7) for No. 3 is installed on the middle axle journal that triggers stepped shaft (4) two ends with No. 2 triggering gears (6), trigger gear (5) No. 1 and be installed in the midway location that triggers stepped shaft (4), on No. 2 fixed sides that the pilot pin that triggers stepped shaft (4) two ends is installed in that the on even keel symmetry places and No. 1 fixed side (15) No. 2 trigger in ladder axis holes (31) and No. 1 triggering ladder axis hole, pressure plate (11) adopts the welding fixed form to be fixed on the midway location of horizontal guide rod (13), laterally to insert No. 2 cross slide way grooves (17) on No. 2 fixed sides and No. 1 fixed side (15) interior with No. 1 cross slide way groove be sliding block joint at the two ends of guide rod (13), and weld fixed sturcture identical triggering latch (16) at horizontal No. 2 fixed sides of the inboard, two ends of guide rod (13) with No. 1 fixed side (15), triggering latch (16) is connected with horizontal guide rod (13) contact, triggering an end of tooth bar (8) and the midway location welding of pressure plate (11) for No. 1 fixes, trigger tooth bar (8) for No. 1 and trigger gear (5) for No. 1 being connected with a joggle, to trigger that tooth bar chutes (32) are equipped with No. 1 triggering tooth bar chute be sliding block joint with triggering on tooth bar (9) and No. 2 fixed sides and No. 1 fixed side (15) No. 2 for No. 2 to trigger tooth bars (10) for No. 3.
7. according to the described automotive seat rear-end impact of claim 6 active safety pillow device, it is characterized in that, be provided with transition block (14) between one end of described No. 1 triggering tooth bar (8) and the pressure plate (11), the midway location welding of one end of transition block (14) and pressure plate (11) is captiveed joint, the one end welding of the other end of transition block (14) and No. 1 triggering tooth bar (8) is captiveed joint, the identical strengthening rib (12) of the welding fixed sturcture of both sides up and down of an end of transition block (14) and pressure plate (11) fixed connection place.
8. according to the described automotive seat rear-end impact of claim 6 active safety pillow device, it is characterized in that, described No. 2 fixed sides and No. 1 fixed side (15) are the plate structure spares of symmetrical configuration, No. 2 fixed sides are by 2 extra side plates, No. 2 interior plates and No. 2 connecting panels are formed, 2 extra side plates and No. 2 interior plates are parallel to each other, No. 2 connecting panels and an end vertical be connected of 2 extra side plates with No. 2 interior plates, be and be the zigzag framing member, the inboard of 2 extra side plates is provided with the identical No. 2 cross slide way grooves (17) of structure that are parallel to each other, the inboard of No. 2 interior plates is provided with No. 2 vertical triggering tooth bar chutes (32), and No. 2 interior plates are provided with installs No. 2 triggering ladder axis holes (31) that trigger stepped shaft (4);
No. 1 fixed side (15) is made up of 1 extra side plate, No. 1 interior plate and No. 1 connecting panel, 1 extra side plate and No. 1 interior plate are parallel to each other, No. 1 connecting panel and an end vertical be connected of 1 extra side plate with No. 1 interior plate, be and be the zigzag framing member, the inboard of 1 extra side plate is provided with No. 1 identical cross slide way groove of structure that is parallel to each other, the inboard of No. 1 interior plate is provided with No. 1 vertical triggering tooth bar chute, and No. 1 interior plate is provided with installs No. 1 triggering ladder axis hole that triggers stepped shaft (4);
No. 2 fixed sides and No. 1 fixed side (15) on even keel are installed setting symmetrically, No. 1 cross slide way groove structure that No. 2 cross slide way grooves (17) that the structure that is parallel to each other is identical are identical with the structure that is parallel to each other is identical, in parallel and two horizontal surfaces that are parallel to each other that exist together of No. 1 cross slide way groove that No. 2 cross slide way grooves (17) that the structure that is parallel to each other is identical are identical with the structure that is parallel to each other; It is identical with No. 1 triggering stepped shaft pore structure to trigger ladder axis hole (31) for No. 2, and the rotation axis of No. 2 triggering ladder axis holes (31) and No. 1 triggering ladder axis hole exists together on the horizon; It is identical with No. 1 triggering tooth bar chute structure to trigger tooth bar chute (32) for No. 2, No. 2 triggering tooth bar chutes (32) and No. 1 triggering tooth bar chute being parallel to each other, and No. 2 triggering tooth bar chutes (32) are parallel with the rotation axis of No. 1 triggering ladder axis hole with No. 2 triggering ladder axis holes (31) on the horizon that exists together with No. 1 residing perpendicular of triggering tooth bar chute.
9. according to the described automotive seat rear-end impact of claim 1 active safety pillow device, it is characterized in that described headrest assembly (1) adopts the identical backguy (3) of 2 root architectures to connect to refer to triggering between the assembly (2):
Captive joint with 2 identical derbies (26) of structure in the upper end of the backguy that 2 root architectures are identical (3), the derby (26) that 2 structures are identical inserts in the identical derby through hole of 2 structures on the headrest chamber (25), the lower end of the backguy that 2 root architectures are identical (3) and trigger in the assembly (2) No. 3 and trigger tooth bars (10) and be fixedly linked with the hanger that triggers on tooth bar (9) top for No. 2.
10. according to the described automotive seat rear-end impact of claim 1 active safety pillow device, it is characterized in that, described headrest assembly (1) is fixing with headrest support (37) welding by the identical outside support plate of 4 structures on the identical headrest chamber sidewall of 2 structures of headrest chamber (25), triggers assembly (2) and is weldingly fixed on No. 2 cushion frame side plates (33) in the cushion frame and the inboard of No. 1 cushion frame side plate by 2 extra side plates in No. 2 fixed sides and No. 1 fixed side (15) and 1 extra side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320029368 CN203032431U (en) | 2013-01-18 | 2013-01-18 | Car seat rear end collision active type safety headrest device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320029368 CN203032431U (en) | 2013-01-18 | 2013-01-18 | Car seat rear end collision active type safety headrest device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203032431U true CN203032431U (en) | 2013-07-03 |
Family
ID=48684571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320029368 Expired - Fee Related CN203032431U (en) | 2013-01-18 | 2013-01-18 | Car seat rear end collision active type safety headrest device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203032431U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290626A (en) * | 2014-09-30 | 2015-01-21 | 重庆长安汽车股份有限公司 | Active type car seat backrest device |
| CN109367443A (en) * | 2018-09-21 | 2019-02-22 | 合肥亿恒智能科技有限公司 | A kind of sliding rail for vehicle seat assembly |
| CN110127297A (en) * | 2019-05-27 | 2019-08-16 | 陈志湘 | Airdrome luggage band to band transfer module luggage protective device |
-
2013
- 2013-01-18 CN CN 201320029368 patent/CN203032431U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290626A (en) * | 2014-09-30 | 2015-01-21 | 重庆长安汽车股份有限公司 | Active type car seat backrest device |
| CN109367443A (en) * | 2018-09-21 | 2019-02-22 | 合肥亿恒智能科技有限公司 | A kind of sliding rail for vehicle seat assembly |
| CN109367443B (en) * | 2018-09-21 | 2023-08-04 | 合肥亿恒智能科技有限公司 | Slide rail assembly for automobile seat |
| CN110127297A (en) * | 2019-05-27 | 2019-08-16 | 陈志湘 | Airdrome luggage band to band transfer module luggage protective device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103069078B (en) | Device for impact absorbing | |
| CN203032431U (en) | Car seat rear end collision active type safety headrest device | |
| EP1927524B1 (en) | Train equipped with interfaces that absorb energy between the carriages in case of collision | |
| CN102285325A (en) | Active safe headrest device of automobile chair | |
| CN103192748B (en) | A kind of Novel seat descending-preventiomechanism mechanism | |
| CN202863203U (en) | Active safety headrest device of automobile seat | |
| CN206501746U (en) | A kind of translational energy-absorbing seat | |
| CN103448584B (en) | A kind of for adaptive intelligent translational energy-absorbing seat under rear-end impact | |
| CN102887089B (en) | Active safe headrest device for car seat | |
| CN203449980U (en) | Translational energy-absorbing seat for preventing whiplash injury under rear-end collision | |
| CN108357398B (en) | Seat carrier for a vehicle seat | |
| CN2892604Y (en) | Railway passenger coach energy-suction module | |
| CN103448585A (en) | Translational energy absorption seat used for protecting neck of passenger during rear-end collision | |
| CN212270731U (en) | Novel highway deceleration strip | |
| CN202935363U (en) | Anti-creeper | |
| CN104723915A (en) | Automobile seat structure | |
| CN107878272A (en) | A kind of fixing device for child safety seat | |
| CN216185525U (en) | New forms of energy automobile body floor | |
| CN202448927U (en) | Car seat | |
| CN215552711U (en) | New forms of energy passenger train owner drives seat with emergency safety protection structure | |
| CN105059156A (en) | General shock resistant seat for special vehicles | |
| CN105253043A (en) | Active headrest use method | |
| CN103303170B (en) | Multifunctional motor vehicle collision safety seat | |
| CN201882154U (en) | Automobile combined collision avoidance system | |
| CN104527474B (en) | There is anti-collision safety chair device and the method for work thereof of collision threshold inducing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20140118 |