CN201484230U - Safety protection locking mechanism for vehicle seat backrest - Google Patents
Safety protection locking mechanism for vehicle seat backrest Download PDFInfo
- Publication number
- CN201484230U CN201484230U CN2009201886940U CN200920188694U CN201484230U CN 201484230 U CN201484230 U CN 201484230U CN 2009201886940 U CN2009201886940 U CN 2009201886940U CN 200920188694 U CN200920188694 U CN 200920188694U CN 201484230 U CN201484230 U CN 201484230U
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- seat
- backrest
- supporting plate
- back bracket
- safety protection
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Abstract
The utility model belongs to the technical field of vehicle seats and relates to a safety protection locking mechanism for a vehicle seat backrest. The safety protection locking mechanism comprises a backrest framework, a seat surface framework and an angle regulator, wherein one side of the angle regulator is connected with the backrest framework, the other side of the angle regulator is connected with the seat surface framework, and limit devices are correspondingly arranged on the backrest framework and the seat surface framework when the backrest framework is positioned in the backward and forward stop limit position. The newly and additionally arranged mechanism is used for bearing a great part of force born by the seat backrest under the emergency circumstance, thereby improving the capability of the seat backrest to bear the pulling force or pressure, the seat backrest is always inclined forwards or backwards within the set range under the emergency circumstances according to the statutory requirements, so that the personal safety can be effectively guaranteed, people can be safely evacuated and escape, the unsafe problem due to failure of the angle regulator is avoided, and the utility model is mainly applicable to seats for aviation, railroads, vehicles, etc.
Description
Technical field
The utility model belongs to the seat technical field, relates to a kind of back of seat safety guard-safeguard lockable mechanism.
Background technology
The backrest of conventional seat and cushion are by recliner backrest skeleton in the described backrest and the seat facial bone frame in the described cushion to be linked together.The recliner of using has two kinds at present: toothed plate type and Pneumatic spring type.One side of described toothed plate type recliner is connected by screw bolt and nut with described backrest skeleton, its opposite side also is connected by screw bolt and nut with described seat facial bone frame, and the center of turn that described toothed plate type recliner is described backrest plays described backrest angle simultaneously again to be regulated.One side of described Pneumatic spring type recliner is connected by pin with the recliner connecting panel of described backrest skeleton, its opposite side also is connected by pin with described seat facial bone frame, described backrest skeleton is connected by bolt rotationally with described seat facial bone frame, and described Pneumatic spring type recliner is regulated described backrest angle.
When Vehicular impact, vehicle stops rapidly, cause chaufeur or occupant's body to be subjected to huge impulsive force forward or backward, if chaufeur or occupant use of seat belts, safety strap can apply huge pulling force to seat, the seat of body-restraining seat belt especially has been installed, and back of seat can be subjected to bigger pulling force, causes seat angle adjustor to lose efficacy.After recliner lost efficacy, back of seat may exceed the scope of legal requirements or setting, and causes personnel's damage.
The utility model content
The purpose of this utility model provides a kind of front and back to back of seat and ends extreme position and carry out reliable spacing safety protection latch mechanism of vehicle backrest.
The purpose of this utility model is achieved in that
Safety protection latch mechanism of vehicle backrest; include the backrest skeleton, sit facial bone frame and recliner; one side of recliner is connected with the backrest skeleton; opposite side is connected with seat facial bone frame, and correspondence is provided with inhibiting device on backrest skeleton when ending extreme position before and after the backrest skeleton is positioned at and the seat facial bone frame.
Above-mentioned inhibiting device is: back bracket plate upper end is affixed with the backrest skeleton, the lower surface of seat face supporting plate is affixed with seat facial bone frame, be provided with position-limited trough or position-limited trough and confined planes in the bottom of back bracket plate, back bracket plate reach or after when only moving to extreme position, the vertical component effect of sitting the face supporting plate is provided with position-limited trough or position-limited trough and confined planes and cooperates spacing limiting stopper or limiting stopper and confined planes.
Above-mentioned position-limited trough is respectively to have an opening in the front side of back bracket plate bottom and rear side, has an arc opening at its downside.
Above-mentioned limiting stopper be back bracket plate reach or after when only moving to extreme position, on the vertical component effect of sitting the face supporting plate, the corresponding position of the opening of the front side of back bracket plate and rear side respectively is provided with a limiting stopper, on the vertical component effect of the face of seat supporting plate, the forward and backward extreme position place of ending of the arc opening of back bracket plate downside respectively is provided with a limiting stopper or a limiting stopper only is set.
The confined planes of above-mentioned back bracket plate bottom is arranged on the front and back side of back bracket plate lower surface, cooresponding with it back bracket plate reach or after when only moving to extreme position, sitting the face supporting plate is provided with and cooperates spacing confined planes with confined planes, when on back bracket plate and the face of the seat supporting plate confined planes being set, the downside of back bracket plate is not provided with arc opening, sit on the face supporting plate with the back bracket plate on arc opening corresponding go out not to be provided with limiting stopper.
Above-mentioned limiting stopper is cylinder or trigone.
Above-mentioned inhibiting device is: the side of sitting the face supporting plate is affixed with seat facial bone frame, the backrest skeleton is hinged with the face of seat supporting plate, the upper end of recliner connecting panel and backrest skeleton are affixed, sit the facial bone frame and be provided with position-limited trough, the recliner connecting panel is slidably located in the position-limited trough and cooperates spacing with position-limited trough.
Above-mentioned inhibiting device is: the side of sitting the face supporting plate is affixed with seat facial bone frame, the backrest skeleton is hinged with the face of seat supporting plate, the upper end of back bracket piece and backrest skeleton are affixed, the front and back side of lower surface is provided with confined planes, when before and after the backrest skeleton is positioned at, ending extreme position, sit the face supporting plate be provided with the back bracket piece on confined planes cooperate spacing confined planes.
Above-mentioned inhibiting device is: the side of sitting the face supporting plate is affixed with seat facial bone frame, the backrest skeleton is hinged with the face of seat supporting plate, when ending extreme position before and after the backrest skeleton is positioned at, corresponding being provided with cooperates spacing locating dowel pin and the postive stop baffle of backrest skeleton on the vertical component effect of the face of seat supporting plate.
Above-mentioned inhibiting device is: the side of sitting the face supporting plate is affixed with seat facial bone frame, be positioned with block arc on the vertical component effect of seat face supporting plate, in backrest skeleton and the articulated pipe of seat facial bone frame pivotally attached, be provided with the arc latch, in the block arc insertion arc latch extreme position ended in the front and back of backrest skeleton and carry out spacing.
The outstanding compared to existing technology advantage of the utility model is:
The utility model makes the in case of emergency suffered power major part of back of seat be born by the mechanism that the utility model increases newly; thereby improve the ability that back of seat bears pulling force or pressure; in case of emergency; make back of seat lean forward or hypsokinesis remains in the scope that sets by legal requirements; the person is effectively protected; and safe escape escape, avoided the inefficacy of recliner and the unsafe problems brought, be mainly used in seats such as aviation, railway, vehicle.
Description of drawings
Fig. 1 is the local structure scheme drawing of the backrest of seat of embodiment 1 of the present utility model when preposition;
Fig. 2 is the local structure scheme drawing of the backrest of seat of embodiment 1 of the present utility model when rearmounted;
Fig. 3 is the local structure scheme drawing of the backrest of seat of embodiment 2 of the present utility model when preposition;
Fig. 4 is the local structure scheme drawing of the backrest of seat of embodiment 2 of the present utility model when rearmounted.
Fig. 5 is the local structure scheme drawing of the backrest of seat of embodiment 3 of the present utility model when preposition;
Fig. 6 is the local structure scheme drawing of the backrest of seat of embodiment 3 of the present utility model when rearmounted;
Fig. 7 is the local structure scheme drawing of the backrest of seat of embodiment 4 of the present utility model when preposition;
Fig. 8 is the local structure scheme drawing of the backrest of seat of embodiment 4 of the present utility model when rearmounted;
Fig. 9 is one of the backrest of seat of embodiment 5 of the present utility model local structure scheme drawing when preposition;
Figure 10 is two of the local structure scheme drawing of the backrest of seat of embodiment 5 of the present utility model when preposition;
Figure 11 is one of the backrest of seat of embodiment 5 of the present utility model local structure scheme drawing when rearmounted;
Figure 12 is two of the local structure scheme drawing of the backrest of seat of embodiment 5 of the present utility model when rearmounted;
Figure 13 is the local structure scheme drawing of the backrest of seat of embodiment 6 of the present utility model when preposition;
Figure 14 is the local structure scheme drawing of the backrest of seat of embodiment 6 of the present utility model when rearmounted;
Figure 15 is one of the backrest of seat of embodiment 7 of the present utility model local structure scheme drawing when preposition;
Figure 16 is two of the local structure scheme drawing of the backrest of seat of embodiment 7 of the present utility model when preposition;
Figure 17 is one of the backrest of seat of embodiment 7 of the present utility model local structure scheme drawing when rearmounted;
Figure 18 is two of the local structure scheme drawing of the backrest of seat of embodiment 7 of the present utility model when rearmounted.
The specific embodiment
With specific embodiment the utility model is further described below:
Embodiment 1: referring to Fig. 1-2:
Referring to Fig. 1: safety protection latch mechanism of vehicle backrest; comprise a backrest skeleton 11; recliner 12; back bracket plate 13; sit facial bone frame 19 and the face of seat supporting plate 14; as conventional seat; one side of described recliner 12 and described backrest skeleton 11 are connected by screw bolt and nut; its opposite side also is connected by screw bolt and nut with described seat facial bone frame 19; the upper end of described back bracket plate 13 and described backrest skeleton 11 weld togethers; the lower surface of described seat face supporting plate 14 is affixed by welding and described seat facial bone frame 19; the front side and the rear side of described back bracket plate 13 bottoms respectively have an opening 131 and 132; and its downside has an elongated opening 135; be welded with four round pins (limiting stopper) 15 on the vertical component effect of described seat face supporting plate 14; 16; 17 and 18; when causing the seat angle adjustor locking to lose efficacy at the front part of vehicle bump; back of seat is positioned at its front position; at this moment; described round pin 16 meshes with the opening 132 of described back bracket plate 13 rear sides; and described round pin 17 props up the front end 133 of the opening 135 of described back bracket plate 13 downsides; back bracket plate 13 bottoms can not be moved backward and can not move up like this; thereby backrest skeleton 11 can not continue to rotate forward; the suffered power major part of back of seat is born by described back bracket plate 13 and described seat face supporting plate 14, improved the ability that seat bears pulling force so greatly.
Fig. 2 has shown another mode of operation with Fig. 1 same structure: when causing the seat angle adjustor locking to lose efficacy at the vehicle rear bump, back of seat is positioned at its rearmost position, at this moment, described round pin 15 meshes with the opening 131 of described back bracket plate 13 front sides, and described round pin 18 props up the rear end 134 of the opening 135 of described back bracket plate 13 downsides, back bracket plate 13 bottoms can not move forward and can not move up like this, thereby backrest skeleton 11 can not continue to rotate backward, the suffered power major part of back of seat is born by described back bracket plate 13 and described seat face supporting plate 14, improved the ability that seat bears pressure so greatly.
This mechanism also can be only realizes with two round pins 15 and 16 or 17 and 18 wherein, as long as the intensity of they and associated components thereof is enough big, described back bracket plate 13 also can be connected on the described backrest skeleton 11 by screw bolt and nut, and described seat face supporting plate 14 also can be connected with described seat facial bone frame 19 by screw bolt and nut.Described round pin 15,16,17 and 18 also can be connected on the described seat face supporting plate 14 by screw thread or riveted joint.
Embodiment 2: referring to Fig. 3-4:
Referring to Fig. 3; the structure of the structure of embodiment 2 and embodiment 1 is basic identical: safety protection latch mechanism of vehicle backrest; comprise backrest skeleton 21; recliner 22; back bracket plate 23; sit facial bone frame 29 and the face of seat supporting plate 24; one side of described recliner 22 and described backrest skeleton 21 are connected by screw bolt and nut; its opposite side also is connected by screw bolt and nut with described seat facial bone frame 29; described back bracket plate 23 upper ends and described backrest skeleton 21 weld togethers; the lower surface of described seat face supporting plate 24 is affixed by welding and described seat facial bone frame 29; the front side and the rear side of described back bracket plate 23 bottoms respectively have an opening 231 and 232; and its downside has an elongated opening 235; be welded with three round pins (limiting stopper) 25 on the vertical component effect of described seat face supporting plate 24; 26 and 27; when causing the seat angle adjustor locking to lose efficacy at the front part of vehicle bump; back of seat is positioned at its front position; at this moment; described round pin 26 meshes with the opening 232 of described back bracket plate 23 rear sides; and described round pin 27 props up the front end 233 of the opening 235 of described back bracket plate 23 downsides; back bracket plate 23 bottoms can not be moved backward and can not move up like this; thereby make backrest skeleton 21 can not continue to rotate forward; the suffered power major part of back of seat is born by described back bracket plate 23 and described seat face supporting plate 24, improved the ability that seat bears pulling force so greatly.
Fig. 4 has shown another mode of operation with Fig. 3 same structure: when causing the seat angle adjustor locking to lose efficacy at the vehicle rear bump, back of seat is positioned at its rearmost position, at this moment, described round pin 25 meshes with the opening 231 of described back bracket plate 23 front sides, and described round pin 27 props up the rear end 234 of the opening 235 of described back bracket plate 23 downsides, back bracket plate 23 bottoms can not move forward and can not move up like this, thereby backrest skeleton 21 can not continue to rotate backward, the suffered power major part of back of seat is born by described back bracket plate 23 and described seat face supporting plate 24, improved the ability that seat bears pressure so greatly.
This mechanism also can only realize with wherein two round pins 25 and 26 or round pins 27, as long as the intensity of they and associated components thereof is enough big, identical with embodiment 1, described back bracket plate 23 also can be connected on the described backrest skeleton 21 by screw bolt and nut, and described seat face supporting plate 24 also can be connected with described seat facial bone frame 29 by screw bolt and nut.Described round pin 25,26 and 27 also can be connected on the described seat face supporting plate 24 by screw thread or riveted joint.
Embodiment 3, referring to Fig. 5-6:
Referring to Fig. 5; the structure of the structure of embodiment 3 and embodiment 2 is basic identical: safety protection latch mechanism of vehicle backrest; comprise backrest skeleton 31, recliner 32, back bracket plate 33, sit facial bone frame 39 and the face of seat supporting plate 34; one side of described recliner 32 and described backrest skeleton 31 are connected by screw bolt and nut, and its opposite side also is connected by screw bolt and nut with described seat facial bone frame 39.Described back bracket plate 33 upper ends and described backrest skeleton 31 weld togethers, the lower surface of described seat face supporting plate 34 is affixed by welding and described seat facial bone frame 39.The front side of described back bracket plate 33 bottoms, rear side and downside respectively have an opening, be welded with two round pins (limiting stopper) 35 and 36 on the vertical component effect of described seat face supporting plate 34, be welded with a triangle block (limiting stopper) 37 on the horizontal part of described seat face supporting plate 34, when causing the seat angle adjustor locking to lose efficacy at the front part of vehicle bump, back of seat is positioned at its front position, at this moment, the front side of described triangle block 38 props up the open front of described back bracket plate 33 downsides, and the engagement of the opening of described round pin 36 and described back bracket plate 33 rear sides, back bracket plate 33 bottoms can not be moved backward and can not move up like this, thereby backrest skeleton 31 can not continue to rotate forward, the suffered power major part of back of seat is born by described back bracket plate 33 and described seat face supporting plate 34, improved the ability that seat bears pulling force so greatly.
Fig. 6 has shown another mode of operation with Fig. 5 same structure: when causing the seat angle adjustor locking to lose efficacy at the vehicle rear bump, back of seat is positioned at its rearmost position, at this moment, the rear side of described triangle block 37 props up the open back end of described back bracket plate 33 downsides, and the opening engagement of described round pin 35 and described back bracket plate 33 front sides, back bracket plate 33 bottoms can not move forward and can not move up like this, thereby backrest skeleton 31 can not continue to rotate backward, the suffered power major part of back of seat is born by described back bracket plate 33 and described seat face supporting plate 34, improved the ability that seat bears pressure so greatly.
This mechanism also can only realize with wherein two round pins 35 and 36 or triangle blocks 37, as long as the intensity of they and associated components thereof is enough big, identical with embodiment 1, described back bracket plate 33 also can be connected on the described backrest skeleton 31 by screw bolt and nut, and described seat face supporting plate 34 also can be connected with described seat facial bone frame 39 by screw bolt and nut.Described round pin 35 and 36 also can be connected on the described seat face supporting plate 34 by screw thread or riveted joint.
Embodiment 4, referring to Fig. 7-8:
Referring to Fig. 7, the structure of the structure of embodiment 4 and embodiment 3 is basic identical: safety protection latch mechanism of vehicle backrest comprises a backrest skeleton 41, recliner 42, back bracket plate 43, a seat facial bone frame 49 and a seat face supporting plate 44.Identical with embodiment one, one side of described recliner 42 and described backrest skeleton 41 are connected by screw bolt and nut, its opposite side also is connected by screw bolt and nut with described seat facial bone frame 49, described back bracket plate 43 upper ends and described backrest skeleton 41 weld togethers, the lower surface of described seat face supporting plate 44 is affixed by welding and described seat facial bone frame 49, the front side and the rear side of described back bracket plate 43 bottoms respectively have an opening, the downside of described back bracket plate 43 bottoms has prosodetic plane and back confined planes, be welded with two round pins (limiting stopper) 45 and 46 on the vertical component effect of described seat face supporting plate 44, when causing the seat angle adjustor locking to lose efficacy at the front part of vehicle bump, back of seat is positioned at its front position, at this moment, the prosodetic plane of the downside of described back bracket plate 43 bottoms props up the upper surface (confined planes) of described seat face supporting plate 44 horizontal parts, and the engagement of the opening of described round pin 46 and described back bracket plate 43 rear sides, back bracket plate 43 bottoms can not be moved backward and can not move up like this, thereby backrest skeleton 41 can not continue to rotate forward, the suffered power major part of back of seat is born by described back bracket plate 43 and described seat face supporting plate 44, improved the ability that seat bears pulling force so greatly.
Fig. 8 has shown another mode of operation with Fig. 7 same structure: when causing the seat angle adjustor locking to lose efficacy at the vehicle rear bump, back of seat is positioned at its rearmost position, at this moment, the back confined planes of the downside of described back bracket plate 43 bottoms props up the upper limit plane of described seat face supporting plate 44 horizontal parts, and the opening engagement of described round pin 45 and described back bracket plate 43 front sides, back bracket plate 33 bottoms can not move forward and can not move up like this, thereby backrest skeleton 41 can not continue to rotate backward, the suffered power major part of back of seat is born by described back bracket plate 43 and described seat face supporting plate 44, improved the ability that seat bears pressure so greatly.
This mechanism also can be only with wherein two round pins 45 and 46 or the face of seat supporting plate 44 on confined planes and the confined planes on the back bracket plate 43 realize, as long as the intensity of they and associated components thereof is enough big, identical with embodiment 1, described back bracket plate 43 also can be connected on the described backrest skeleton 41 by screw bolt and nut, described seat face supporting plate 44 also can be connected with described seat facial bone frame 49 by screw bolt and nut, and described round pin 45 and 46 also can be connected on the described seat face supporting plate 44 by screw thread or riveted joint.
Embodiment 5, referring to Fig. 9-12:
Referring to Fig. 9-10: safety protection latch mechanism of vehicle backrest; comprise backrest skeleton 51; gas spring is (as recliner; do not show); back bracket piece 53; sit facial bone frame 59 and the face of seat supporting plate 52; described backrest skeleton 51 has a recliner connecting panel 54; described seat facial bone frame 59 is provided with the recliner connecting panel and cooperates spacing position-limited trough 591; described recliner connecting panel 54 is slidably located in the described position-limited trough 591; one side of described gas spring and described recliner connecting panel 54 are connected by pin; its opposite side also is connected by pin with described seat facial bone frame 59; the side of described seat face supporting plate 52 is affixed by welding or bolt and described seat facial bone frame 59; described backrest skeleton 51 is hinged by bolt and described seat face supporting plate 52; described like this backrest skeleton 61 can rotate with respect to described seat facial bone frame 69; described back bracket piece 53 upper ends and described backrest skeleton 51 weld togethers; when causing the seat angle adjustor locking to lose efficacy at the front part of vehicle bump; back of seat is positioned at its front position; at this moment; the prosodetic plane of described back bracket piece 53 props up the upper limit plane of described seat face supporting plate 52; and the rear side of described recliner connecting panel 54 props up the rear end of described position-limited trough 591; backrest skeleton 51 can not continue to rotate forward like this; make the suffered power major part of back of seat by described back bracket piece 53; seat face supporting plate 52; recliner connecting panel 54 and seat facial bone frame 59 bear, and have improved the ability that seat bears pulling force so greatly.
Figure 11 and 12 has shown another mode of operation with Fig. 9 same structure: when causing the seat angle adjustor locking to lose efficacy at the vehicle rear bump, back of seat is positioned at its rearmost position, at this moment, the back confined planes of described back bracket piece 53 props up the upper limit plane of described seat face supporting plate 52, and the front side of described recliner connecting panel 54 props up the front end of described position-limited trough 591, backrest skeleton 51 can not continue to rotate backward like this, make the suffered power major part of back of seat by described back bracket piece 53, seat face supporting plate 52, recliner connecting panel 54 and seat facial bone frame 59 bear, and have improved the ability that seat bears pressure so greatly.
Above-mentioned inhibiting device also can only rely on wherein recliner connecting panel 54 to cooperate spacing with position-limited trough 591 or back bracket piece 53 cooperates the purpose that reaches spacing with the upper limit plane of the face of seat supporting plate 52, as long as the intensity of their associated components is enough big.
Embodiment 6, referring to Figure 13-14:
Referring to Figure 13; safety protection latch mechanism of vehicle backrest; comprise backrest skeleton 61; gas spring is (as recliner; do not show); sit facial bone frame 69 and the face of seat supporting plate 62; described backrest skeleton 61 has a recliner connecting panel 64; described seat facial bone frame 69 has a position-limited trough 691; described recliner connecting panel 64 is slidably located in the described position-limited trough 691; one side of described gas spring and described recliner connecting panel 64 are connected by pin; its opposite side also is connected by pin with described seat facial bone frame 69; the side of described seat face supporting plate 62 is affixed by welding or bolt and described seat facial bone frame 69; described backrest skeleton 61 is hinged by bolt and described seat face supporting plate 62; described backrest skeleton 61 can rotate with respect to described seat facial bone frame 69; be welded with a locating dowel pin 65 on the vertical component effect of described seat face supporting plate 62; and the limited position of its rear side baffle plate 621; when causing the seat angle adjustor locking to lose efficacy at the front part of vehicle bump; back of seat is positioned at its front position; at this moment; described locating dowel pin 65 props up described backrest skeleton 61; and the rear side of described recliner connecting panel 64 props up the rear end of described position-limited trough 691; backrest skeleton 61 can not continue to rotate forward like this; make the suffered power major part of back of seat by described backrest skeleton 61; seat face supporting plate 62; recliner connecting panel 64 and seat facial bone frame 69 bear, and have improved the ability that seat bears pulling force so greatly.
Figure 14 has shown the different operating state with Figure 13 same structure; When causing the seat angle adjustor locking to lose efficacy at the vehicle rear bump, back of seat is positioned at its rearmost position, at this moment, described backrest skeleton 61 props up the postive stop baffle 621 of described seat face supporting plate 62, and the front side of described recliner connecting panel 64 props up the front end of described position-limited trough 691, backrest skeleton 61 can not continue to rotate backward like this, the suffered power major part of back of seat is born by described backrest skeleton 61, seat face supporting plate 62, recliner connecting panel 64 and seat facial bone frame 69, improved the ability that seat bears pressure so greatly.
Above-mentioned inhibiting device also can only rely on wherein recliner connecting panel 64 to cooperate spacing or locating dowel pin 65 and baffle plate 621 on the face of the seat supporting plate 62 to reach with position-limited trough 691 to cooperate spacing purpose, and the intensity that needs only their associated components is enough big.
Embodiment 7, referring to Figure 15-18:
Referring to Figure 15-16; safety protection latch mechanism of vehicle backrest; comprise backrest skeleton 71; gas spring is (as recliner; do not show); sit facial bone frame 79; seat face supporting plate 72 and bolt connection piece 76; described backrest skeleton 71 has a recliner connecting panel 74; described seat facial bone frame 79 has a position-limited trough 791; described recliner connecting panel 74 is slidably located in the described position-limited trough 791; one side of described gas spring and described recliner connecting panel 74 are connected by pin; its opposite side also is connected by pin with described seat facial bone frame 79; the side of described seat face supporting plate 72 is affixed by welding or bolt and described seat facial bone frame 79; have a hex hole 721 on the vertical component effect of described seat face supporting plate 72; have a block arc 761 and a hexagon shaft shoulder 762 on the described bolt connection piece 76; has an arc latch 711 in the connection pipe of described backrest skeleton 71; the radian size and their relative position of described block arc 761 and described arc latch 711 are decided according to the adjusting angle of backrest; described backrest skeleton 71 is hinged with described seat face supporting plate 72 by described bolt connection piece 76; described like this backrest skeleton 71 can rotate with respect to described seat facial bone frame 79; the hexagon shaft shoulder 762 of described bolt connection piece 76 and 721 engagements of the hex hole on the described seat face supporting plate 72; described bolt connection piece 76 can not be turned round with respect to described seat face supporting plate 72; when causing the seat angle adjustor locking to lose efficacy at the front part of vehicle bump; back of seat is positioned at its front position; at this moment; the downside of described latch 711 props up the downside of described block 761; and the rear side of described recliner connecting panel 74 props up the rear end of described position-limited trough 791; backrest skeleton 71 can not continue to rotate forward like this; make the suffered power major part of back of seat by described backrest skeleton 71; seat face supporting plate 72; recliner connecting panel 74 and seat facial bone frame 79 bear, and have improved the ability that seat bears pulling force so greatly.
The above-mentioned hexagon shaft shoulder 762 and hex hole 721 also can be other polygon (for example triangle, quadrangle, the pentagon etc.) shaft shoulder and the polygonal hole that is used with it.
Figure 17-18 has shown the different operating state with Figure 15-16 same structure: when causing the seat angle adjustor locking to lose efficacy at the vehicle rear bump, back of seat is positioned at its rearmost position, at this moment, the upper side of described latch 711 props up the upper side of described block 761, and the front side of described recliner connecting panel 74 props up the front end of described position-limited trough 791, backrest skeleton 71 can not continue to rotate backward like this, make the suffered power major part of back of seat by described backrest skeleton 71, seat face supporting plate 72, recliner connecting panel 74 and described seat facial bone frame 79 bear, and have improved the ability that seat bears pressure so greatly.
Above-mentioned inhibiting device also can only rely on wherein recliner connecting panel 74 to cooperate spacing with position-limited trough 791 or latch 711 cooperates the purpose that reaches spacing with block 761, as long as the intensity of their associated components is enough big.
The utility model both can be used for any side of backrest, also can be used for the both sides of backrest simultaneously.
Claims (10)
1. safety protection latch mechanism of vehicle backrest; include the backrest skeleton, sit facial bone frame and recliner; one side of recliner is connected with the backrest skeleton; opposite side is connected with seat facial bone frame, it is characterized in that: correspondence is provided with inhibiting device on backrest skeleton when ending extreme position before and after the backrest skeleton is positioned at and the seat facial bone frame.
2. safety protection latch mechanism of vehicle backrest according to claim 1; it is characterized in that: described inhibiting device is: back bracket plate upper end is affixed with the backrest skeleton; the lower surface of seat face supporting plate is affixed with seat facial bone frame; be provided with position-limited trough or position-limited trough and confined planes in the bottom of back bracket plate; back bracket plate reach or after when only moving to extreme position, the vertical component effect of sitting the face supporting plate is provided with position-limited trough or position-limited trough and confined planes and cooperates spacing limiting stopper or limiting stopper and confined planes.
3. safety protection latch mechanism of vehicle backrest according to claim 2 is characterized in that: described position-limited trough is respectively to have an opening in the front side of back bracket plate bottom and rear side, has an arc opening at its downside.
4. safety protection latch mechanism of vehicle backrest according to claim 2; it is characterized in that: described limiting stopper be back bracket plate reach or after when only moving to extreme position; on the vertical component effect of sitting the face supporting plate, the corresponding position of the opening of the front side of back bracket plate and rear side respectively is provided with a limiting stopper, on the vertical component effect of the face of seat supporting plate, the forward and backward extreme position place of ending of the arc opening of back bracket plate downside respectively is provided with a limiting stopper or a limiting stopper only is set.
5. according to claim 2 or 3 or 4 described safety protection latch mechanism of vehicle backrest; it is characterized in that: the confined planes of described back bracket plate bottom is arranged on the front and back side of back bracket plate lower surface; cooresponding with it back bracket plate reach or after when only moving to extreme position; sitting the face supporting plate is provided with and cooperates spacing confined planes with confined planes; when on back bracket plate and the face of the seat supporting plate confined planes being set; the downside of back bracket plate is not provided with arc opening, sit on the face supporting plate with the back bracket plate on arc opening corresponding go out not to be provided with limiting stopper.
6. according to claim 2 or 4 described safety protection latch mechanism of vehicle backrest, it is characterized in that: described limiting stopper is cylinder or trigone.
7. safety protection latch mechanism of vehicle backrest according to claim 1; it is characterized in that: described inhibiting device is: the side of sitting the face supporting plate is affixed with seat facial bone frame; the backrest skeleton is hinged with the face of seat supporting plate; the upper end of recliner connecting panel and backrest skeleton are affixed; sit the facial bone frame and be provided with position-limited trough, the recliner connecting panel is slidably located in the position-limited trough and cooperates spacing with position-limited trough.
8. according to claim 1 or 7 described safety protection latch mechanism of vehicle backrest; it is characterized in that: described inhibiting device is: the upper end of back bracket piece and backrest skeleton are affixed, the front and back side of lower surface is provided with confined planes; when before and after the backrest skeleton is positioned at, ending extreme position, sit the face supporting plate be provided with the back bracket piece on confined planes cooperate spacing confined planes.
9. according to claim 1 or 7 described safety protection latch mechanism of vehicle backrest; it is characterized in that: described inhibiting device is: when ending extreme position before and after the backrest skeleton is positioned at, corresponding being provided with cooperates spacing locating dowel pin and the postive stop baffle of backrest skeleton on the vertical component effect of the face of seat supporting plate.
10. according to claim 1 or 7 described safety protection latch mechanism of vehicle backrest; it is characterized in that: described inhibiting device is: be positioned with block arc on the vertical component effect of seat face supporting plate; in backrest skeleton and the articulated pipe of seat facial bone frame pivotally attached, be provided with the arc latch, in the block arc insertion arc latch extreme position ended in the front and back of backrest skeleton and carry out spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201886940U CN201484230U (en) | 2009-08-19 | 2009-08-19 | Safety protection locking mechanism for vehicle seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201886940U CN201484230U (en) | 2009-08-19 | 2009-08-19 | Safety protection locking mechanism for vehicle seat backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201484230U true CN201484230U (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201886940U Expired - Lifetime CN201484230U (en) | 2009-08-19 | 2009-08-19 | Safety protection locking mechanism for vehicle seat backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201484230U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633332B (en) * | 2009-08-19 | 2014-07-30 | 浙江天成自控股份有限公司 | Safety protection latch mechanism of vehicle backrest |
| CN109228988A (en) * | 2018-09-30 | 2019-01-18 | 浙江天成自控股份有限公司 | A kind of integrated manipulation case overturning regulating mechanism of vehicle seat |
-
2009
- 2009-08-19 CN CN2009201886940U patent/CN201484230U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633332B (en) * | 2009-08-19 | 2014-07-30 | 浙江天成自控股份有限公司 | Safety protection latch mechanism of vehicle backrest |
| CN109228988A (en) * | 2018-09-30 | 2019-01-18 | 浙江天成自控股份有限公司 | A kind of integrated manipulation case overturning regulating mechanism of vehicle seat |
| CN109228988B (en) * | 2018-09-30 | 2024-04-16 | 浙江天成自控股份有限公司 | Integrated control box overturning and adjusting mechanism of vehicle seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG TIANCHENG AUTO CONTROL CO., LTD. Free format text: FORMER NAME: ZHEJIANG TIANCHENG CHAIR CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 317200 Zhejiang Tiancheng automatic control Limited by Share Ltd, Tiantai County, West Industrial Zone, Zhejiang Province Patentee after: ZHEJIANG TIANCHENG AUTOMATIC CONTROL CO., LTD. Address before: 317200 Tiantai Tiancheng Industrial Park, Zhejiang Tiancheng chair Co., Ltd., Zhejiang Province Patentee before: Zhejiang Tiancheng Seat Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090819 |
|
| RGAV | Abandon patent right to avoid regrant |