CN201769781U - Restraining and locking structure of safety belt of automobile seat - Google Patents

Restraining and locking structure of safety belt of automobile seat Download PDF

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Publication number
CN201769781U
CN201769781U CN201020274575XU CN201020274575U CN201769781U CN 201769781 U CN201769781 U CN 201769781U CN 201020274575X U CN201020274575X U CN 201020274575XU CN 201020274575 U CN201020274575 U CN 201020274575U CN 201769781 U CN201769781 U CN 201769781U
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CN
China
Prior art keywords
locking piece
snap close
safety strap
piece
baffle plate
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Expired - Fee Related
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CN201020274575XU
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Chinese (zh)
Inventor
况志勇
龙利云
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Priority to CN201020274575XU priority Critical patent/CN201769781U/en
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Publication of CN201769781U publication Critical patent/CN201769781U/en
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Abstract

The utility model discloses a restraining and locking structure of a safety belt of an automobile seat, which comprises a rolling shaft, a safety belt, a lock catch, a locking piece and an automatic locking mechanism, wherein the rolling shaft can be rotatably arranged on the automobile seat, the safety belt can be wound on the rolling shaft, the lock catch is arranged on the part of the safety belt unfolded from the rolling shaft, the locking piece is used for being buckled with or separated from the lock catch, and the automatic locking mechanism is used when the lock piece is buckled with the lock catch, the safety belt can be only wound on the rolling shaft but not unfolded, and after the lock piece is separated from the lock catch, the safety belt can be both wound and unfolded on the rolling shaft; the automatic locking mechanism is arranged so that the safety belt can be only wound on the rolling shaft but not unfolded by buckling the lock piece and the lock catch, the safety belt is wound on the rolling shaft until a child is tightened, and the safety belt can be fastened to tighten the child without extra operation, thus being convenient in operation, and eliminating the potential safety hazard; and after the lock piece and the lock catch are separated, the automatic locking mechanism is unlocked, the safety belt can be both wound and unfolded on the rolling shaft, therefore, the safety belt can be retracted freely.

Description

Restraining and locking structure of safety belt on vehicle seat
Technical field
The utility model relates to a kind of restraining and locking structure of safety belt on vehicle seat.
Background technology
On the automotive seats, seat belt winding is on wireline reel, realize the flexible of safety strap by the coiling of wireline reel, safety strap comprises the shoulder belt part of the left and right sides, waistband portion, the shoulder belt part of the same side, waistband portion can be to be wholely set, the shoulder belt part that is wholely set, snap close is set on the waistband portion, snap close has a pair of, pair of catches is separately positioned on the shoulder belt partial sum waistband portion of both sides, the locking piece that matches with pair of catches is arranged in the middle part at automotive seats seat, locking piece can serve as the crotch band, automotive seats in use, child is sitting in the automotive seats, pair of catches and locking piece are interlocked, safety strap is positioned child's shoulder like this, waist, locking piece is positioned child's crotch portion, in order to make safety strap tighten child stably, then behind snap close and locking piece fastening, safety strap can not stretch, can only shrink, and at snap close with after locking piece separates, safety strap should stretch, can shrink again, in the existing restraining and locking structure of safety belt, drawstring need be set additionally, after snap close and locking piece are interlocked, manually strain drawstring again, make safety strap not stretch, can only shrink, and after snap close and locking piece are separated, drawstring unclamps, make safety strap to stretch, can shrink again, after fastening snap close and locking piece, owing to need extra pulling drawstring, so complex operation, and, if forget the pulling drawstring, then safety strap can't the tighten child, and safety misadventure takes place easily.
Summary of the invention
The purpose of this utility model provides a kind of safety belt on vehicle seat and fetters automatic locking structure.
For achieving the above object, the technical solution adopted in the utility model is: restraining and locking structure of safety belt on vehicle seat, comprise the wireline reel that is arranged on rotationally on the described automotive seats, can be wound on the safety strap on the described wireline reel, be arranged on the snap close of described safety strap from the position that described wireline reel launches, be used for the locking piece that is interlocked or is separated with described snap close, it is characterized in that: described restraining and locking structure of safety belt comprises that also described safety strap when being used to described locking piece and described snap close are interlocked can not launch and be used to make described locking piece and described snap close to be separated automatic locking mechanism that the described safety strap in back can reel and can launch can only reeling on the described wireline reel on described wireline reel.
Preferably, described locking piece is arranged on the described automotive seats rotationally by turning cylinder.
As a kind of concrete embodiment, described automatic locking mechanism comprises the baffle plate that is arranged on rotationally on the described automotive seats, be fixedly installed on the ratchet on the described wireline reel, described baffle plate has first mode of operation and second mode of operation, when described baffle plate is in first mode of operation, described baffle plate is inserted in the teeth groove of described ratchet, stop described ratchet and described wireline reel to rotate towards the direction of launching described safety strap, perhaps described ratchet and described wireline reel rotate towards the direction that winds up described safety strap, and this moment, described baffle plate slipped over the back of tooth of described ratchet; When described baffle plate is in second mode of operation, described baffle plate and described ratchet are separated, and described automatic locking mechanism comprises that also being used for when described locking piece and described snap close are interlocked described baffle plate is in first mode of operation or is in the interlinked mechanism of second mode of operation at described locking piece and the described snap close described baffle plate in back that is separated.
Preferably, described interlinked mechanism comprises the fixed plate that is arranged on the described locking piece, first elastic component that is used to provide an elastic-restoring force of described baffle plate, when described locking piece and described snap close are interlocked, described fixed plate and described baffle plate are separated, described baffle plate is under the elastic-restoring force effect of described first elastic component, be inserted in the teeth groove of described ratchet, perhaps slip over the back of tooth of described ratchet; After described locking piece and described snap close were separated, described locking piece or described fixed plate rotated, and described fixed plate and described baffle plate are inconsistent, and described baffle plate overcomes the elastic-restoring force effect of described first elastic component, is separated with described ratchet.
Further preferably, described interlinked mechanism also comprises second elastic component that is used to provide a described locking piece or an elastic-restoring force of described fixed plate, after described locking piece and described snap close were separated, described locking piece or described fixed plate rotated by the elastic-restoring force of described second elastic component.
Further preferably, described fixed plate adopts shell fragment.
Preferably, has mounting hole on the described automotive seats, the end of described baffle plate is inserted in the described mounting hole rotationally, the non-circular setting of cross-sectional plane of described baffle plate end, the inwall of described mounting hole have be used for described baffle plate end inconsistent to forbid the position that stops of described baffle plate inordinate rotation.
As a kind of concrete embodiment, described automatic locking mechanism comprises the tumbler that is arranged on the described automotive seats, be arranged on the fixed block on the described automotive seats, has at least one ratchet piece on the described tumbler, described safety strap is through between the ratchet piece and described fixed block of described tumbler, described tumbler has first mode of operation and second mode of operation, when described tumbler is in first mode of operation, ratchet piece on the described tumbler pushes against described safety strap on described fixed block, stop described safety strap to launch from described wireline reel, perhaps described safety strap slips over the back of tooth of described ratchet piece, reels on described wireline reel; When described tumbler is in second mode of operation, ratchet piece and described safety strap on the described tumbler are separated, and described automatic locking mechanism comprises that also being used for when described locking piece and described snap close are interlocked described tumbler is in first mode of operation or is in the interlinked mechanism of second mode of operation at described locking piece and the described snap close described tumbler in back that is separated.
Preferably, described interlinked mechanism comprises being arranged on rotationally and is used to drive the cam that described tumbler rotates on the described automotive seats, one end is fixed on the traction piece on the described cam, be used to provide first elastic component of an elastic-restoring force of described tumbler, the other end of described traction piece is fixed on the described locking piece, the profile of described cam has first working position and second working position, when described locking piece and described snap close are interlocked, first working position of described camb contour contacts with described tumbler or is oppositely arranged, push against described safety strap on described fixed block by the ratchet piece on the described tumbler of the elastic-restoring force of described first elastic component, perhaps overcome the elastic-restoring force of described first elastic component, described safety strap slips over the back of tooth of described ratchet piece; After described locking piece and described snap close are separated, described locking piece and described cam rotate, second working position of the described camb contour described tumbler of conflicting overcomes the elastic-restoring force of described first elastic component, and described tumbler and described safety strap are separated.
Further preferably, described interlinked mechanism also comprises second elastic component and the 3rd elastic component that is used to provide a described cam and an elastic-restoring force of described locking piece, when described locking piece and described snap close were separated, described locking piece and described cam rotated under the elastic-restoring force effect of described second elastic component and the 3rd elastic component.
Preferably, described safety strap comprises shoulder belt part, the waistband portion that is positioned at the described automotive seats left and right sides, the described shoulder belt part of the same side is wholely set with described waistband portion, described snap close has a pair of, a pair of described snap close is separately positioned on the described shoulder belt part or waistband portion of both sides, described pair of catches matches with described locking piece, and described locking piece is positioned at the middle part at the seat of described automotive seats, and is positioned at the place ahead of described shoulder belt partial sum waistband portion.
Further preferably, described pair of catches is slidably disposed on respectively on the described shoulder belt part or waistband portion of both sides, has perforation on the described pair of catches respectively, and the described shoulder belt part that is wholely set is through in this perforation with waistband portion.
Preferably, described safety strap comprises the shoulder belt part that is positioned at the described automotive seats left and right sides, described snap close has a pair of, a pair of described snap close is separately positioned on the described shoulder belt part of both sides, described pair of catches matches with described locking piece, described locking piece is positioned at the middle part at the seat of described automotive seats, and is positioned at the place ahead of described shoulder belt part.
Because the utilization of technique scheme, the utility model compared with prior art has following advantage: by automatic locking mechanism is set, then as long as snap lock part and snap close, then safety strap can only be reeled on wireline reel and can not be launched, and safety strap is reeled on wireline reel, up to safety strap tighten child, because need not extra operation just can tighten up safety strap, the tighten child, easy to operate, eliminated potential safety hazard; After separating locking piece and snap close, then automatic locking mechanism meeting release, safety strap can be reeled on wireline reel and can be launched, and promptly safety strap can freely stretch.
Description of drawings
The schematic perspective view that accompanying drawing 1 is separated for snap close in first kind of specific embodiment of the utility model and locking piece;
The schematic perspective view that accompanying drawing 2 is interlocked for snap close in first kind of specific embodiment of the utility model and locking piece;
Accompanying drawing 3 is looked partial schematic sectional view for the master that snap close in first kind of specific embodiment of the utility model and locking piece are separated;
Accompanying drawing 4 is looked partial schematic sectional view for the master that snap close in first kind of specific embodiment of the utility model and locking piece are interlocked;
Accompanying drawing 5 is an A place enlarged drawing in the accompanying drawing 3;
Accompanying drawing 6 is a B place enlarged drawing in the accompanying drawing 4;
Accompanying drawing 7 is the local structure exploded drawings of automatic locking mechanism in first kind of specific embodiment of the utility model;
Accompanying drawing 8 is looked scheme drawing for the master that snap close in second kind of specific embodiment of the utility model and locking piece are separated;
Accompanying drawing 9 is write the master that locking piece is interlocked for snap close in second kind of specific embodiment of the utility model and is looked scheme drawing;
Accompanying drawing 10 is a C place enlarged drawing in the accompanying drawing 8;
Accompanying drawing 11 is a D place enlarged drawing in the accompanying drawing 9;
Accompanying drawing 12 is the local structure exploded drawings of automatic locking mechanism in second kind of specific embodiment of the utility model;
Accompanying drawing 13 is an E place enlarged drawing in the accompanying drawing 7.
The specific embodiment
Further set forth structure of the present utility model below in conjunction with accompanying drawing.
Shown in Fig. 1-13, automotive seats comprises base 1, be arranged on seat 2 and backrest 3 on the base 1, restraining and locking structure of safety belt on vehicle seat, comprise the wireline reel that is arranged on rotationally on the automotive seats, one end is fixed on the safety strap 4 that also can be wound on the wireline reel on the wireline reel, be arranged on the snap close 5 of safety strap 4 from the position that wireline reel launches, be used for the locking piece 6 that is interlocked or is separated with snap close 5, safety strap 4 can not launch and be used to make locking piece 6 and snap close 5 to be separated automatic locking mechanism 7 that back safety strap 4 can reel on wireline reel and can launch can only reeling on the wireline reel when being used to make locking piece 6 and snap close 5 to be interlocked, wireline reel does not illustrate in the accompanying drawings, and the prior art that the winding mechanism of mounting strap 4 on wireline reel can adopt those skilled in the art to know realizes.Snap close 5 on the safety strap 4 is realized with the prior art that also can adopt those skilled in the art to know that cooperates of locking piece 6.By automatic locking mechanism 7, then as long as snap lock part 6 and snap close 5, then safety strap 4 can only be reeled on wireline reel and can not be launched, safety strap 4 tightens up under the winding mechanism effect, up to safety strap 4 tighten children, since need not just energy tighten child of extra operation, easy to operate, eliminated potential safety hazard; After separating locking piece 6 and snap close 5, then automatic locking mechanism 7 meeting releases, safety strap 4 can be reeled on wireline reel and can be launched, and promptly safety strap 4 can freely stretch.
The be provided with form of safety strap 4 on automotive seats has multiple, as five-point type, bikini etc., the five-point type safety strap has been shown among Fig. 1 and Fig. 2, this safety strap 4 comprises the shoulder belt part 8 that is positioned at the automotive seats left and right sides, waistband portion 9, the shoulder belt part 8 and the waistband portion 9 of the same side are wholely set, snap close 5 has a pair of, pair of catches 5 is separately positioned on the shoulder belt part 8 or waistband portion 9 of both sides, regulate the length of shoulder belt part 8 or waistband portion 9 for convenience, has perforation on the pair of catches 5 respectively, the shoulder belt part 8 and the waistband portion 9 that are wholely set are through in this perforation, snap close 5 can slide on shoulder belt part 8 and waistband portion 9 like this, pair of catches 5 matches with locking piece 6, the prior art that the mode that cooperates can adopt those skilled in the art to know realizes, locking piece 6 is positioned at the middle part at the seat 2 of automotive seats, and is positioned at the place ahead of shoulder belt part 8 and waistband portion.Locking piece 6 plays the crotch band, location child's shank.
Safety strap also can adopt bikini, this safety strap accompanying drawing of no use is represented, but the structure of body-restraining seat belt is simpler than five-point type, safety strap comprises the shoulder belt part that is positioned at the automotive seats left and right sides, and snap close has a pair of, and pair of catches is separately positioned on the shoulder belt end partly of both sides, pair of catches matches with locking piece, locking piece is positioned at the middle part at the seat of automotive seats, and is positioned at the place ahead of shoulder belt part, and locking piece plays the crotch band.
In Fig. 1 and Fig. 2, locking piece 6 is arranged on the automotive seats by turning cylinder rotationally, twist-lock spare makes progress, make locking piece 6 and snap close 5 fasten, after separating locking piece 6 and snap close 5, locking piece 6 rotates, and utilizes locking piece 6 and snap close 5 to fasten or separates the rotation of generation and realize the automatic locking and the release of safety strap constraint by automatic locking mechanism 7.Certainly, automatic locking and the release of controlling the safety strap constraint by the rotation of locking piece 6 are a kind of specific embodiment, also can adopt other modes, for example, locking piece and snap close fasten or separate the stretching that can drive hauling rope or unclamp, and utilize the stretching of hauling rope or unclamp and can realize equally by automatic locking mechanism the automatic locking and the release of safety strap constraint.
Fig. 1-7 and Figure 13 show first kind of specific embodiment of automatic locking mechanism 7, and Fig. 8-12 shows second kind of specific embodiment of automatic locking mechanism 7.To specifically set forth below:
In Fig. 1-7 and Figure 13, automatic locking mechanism 7 comprises the baffle plate 10 that is arranged on rotationally on the automotive seats, be fixedly installed on the ratchet 11 on the wireline reel, has permanent seat 12 on the automotive seats, locking piece 6, baffle plate 10 and wireline reel all are to be arranged on rotationally on the permanent seat 12, baffle plate 10 has first mode of operation and second mode of operation, when baffle plate 10 is in first mode of operation, baffle plate 10 is inserted in the teeth groove of ratchet 11, stop ratchet 11 and wireline reel to rotate towards the direction of launching safety strap 4, perhaps baffle plate 10 slips over the back of tooth of ratchet 11, and ratchet 11 and wireline reel rotate towards the direction that winds up safety strap 4; When baffle plate 10 is in second mode of operation, baffle plate 10 is separated with ratchet 11, and automatic locking mechanism 7 comprises that also being used for when locking piece 6 and snap close 5 are interlocked baffle plate 10 is in first mode of operation or is in the interlinked mechanism 13 of second mode of operation at locking piece 6 and snap close 5 back shield 10 that is separated.The effect of this interlinked mechanism 13 is: control in the teeth groove that baffle plate 10 is inserted in ratchet 11 by the rotation of locking piece 6, perhaps slip over the back of tooth of ratchet 11, perhaps be separated with ratchet 11, thereby guaranteeing in safety strap constraint back that safety strap is only reeled does not launch.
In Fig. 5 and Fig. 6 and Fig. 7 and Figure 13, interlinked mechanism 13 comprises the fixed plate 14 that is arranged on the locking piece 6, be used to provide first elastic component 15 of 10 1 elastic-restoring forces of baffle plate, when locking piece 6 and snap close 5 are interlocked, fixed plate 14 is separated with baffle plate 10, baffle plate 10 is under the elastic-restoring force effect of first elastic component 15, be inserted in the teeth groove of ratchet 11, can stop the rotation of wireline reel like this, thereby stop safety strap 4 to launch from wireline reel, perhaps baffle plate 10 slips over the back of tooth of ratchet 11, safety strap 4 can be reeled on wireline reel like this, realizes safety strap 4 tighten children; After locking piece 6 and snap close 5 were separated, locking piece 6 or fixed plate 14 rotated, and fixed plate 14 is inconsistent with baffle plate 10, baffle plate 10 overcomes the elastic-restoring force effect of first elastic component 15, be separated with ratchet 11, then wireline reel can freely rotate, and promptly safety strap can freely stretch.
The rotation of locking piece 6 or fixed plate 14 for convenience, interlinked mechanism 13 also comprises second elastic component 16 that is used to provide locking piece 6 or 14 1 elastic-restoring forces of fixed plate, after locking piece 6 and snap close 5 are separated, locking piece 6 or fixed plate 14 rotate by the elastic-restoring force of second elastic component 16, when wanting snap lock part 6 with snap close 5, the elastic-restoring force that need overcome second elastic component 16 comes twist-lock spare 6.
Rotation amplitude for defining baffle 10, has mounting hole 17 on the permanent seat 12 of automotive seats, the end of baffle plate 10 is inserted in the mounting hole 17 rotationally, the non-circular setting of cross-sectional plane of baffle plate 10 ends, mounting hole 17 also is non-circular setting, the inwall of mounting hole 17 have be used for baffle plate 10 ends inconsistent forbidding the position that stops of baffle plate 10 inordinate rotation, the interference that can avoid baffle plate 10 inordinate rotation to cause like this, this moment, fixed plate 14 can adopt shell fragment.
In Fig. 1-4,2 bottoms, seat have cavity on the automotive seats, permanent seat 12, wireline reel is arranged in the cavity, has the opening that is connected with cavity on the seat, the bottom of locking piece 6 is stretched in the cavity by the opening on the seat, the bottom of locking piece 6 is rotated and is arranged on the permanent seat 12, be wound with two safety strap 4 that part is stitched together on the wireline reel, backrest 3 offers perforation in the left and right sides, after two safety strap 4 launch from wireline reel, pass the perforation on the backrest 3, come the front at backrest 3 and seat 2, two safety strap 4 are separately fixed at the both sides at 2 rear portions, seat, have formed shoulder belt partial sum waistband portion.
In Fig. 8-12, automatic locking mechanism 7 comprises the tumbler 18 that is arranged on the automotive seats, be arranged on the fixed block 19 on the automotive seats, has mount pad 20 on the automotive seats, tumbler 18 is arranged on the mount pad 20 rotationally, fixed block 19 is arranged on the mount pad 20, has at least one ratchet piece 21 on the tumbler 18, in Figure 10-11, ratchet piece 21 has polylith, continuous distribution is on the edge of tumbler 18, safety strap 4 is through between the ratchet piece 21 and fixed block 19 of tumbler 18, and tumbler 18 has first mode of operation and second mode of operation, when tumbler 18 is in first mode of operation, ratchet piece 21 on the tumbler 18 pushes against safety strap 4 on fixed block 19, stop safety strap 4 to launch from wireline reel, perhaps safety strap 4 slips over the back of tooth of ratchet piece 21, reels on wireline reel; When tumbler 18 is in second mode of operation, ratchet piece 21 on the tumbler 18 is separated with safety strap 4, and automatic locking mechanism 7 comprises that also being used for when locking piece 6 and snap close 5 are interlocked tumbler 18 is in first mode of operation or is in the interlinked mechanism 22 of second mode of operation at locking piece 6 and the snap close 5 back tumbler 18 that is separated.The effect of interlinked mechanism 22 is: the ratchet piece of controlling on the tumbler 18 by the rotation of locking piece 6 21 pushes against safety strap 4 on fixed block 19, perhaps make safety strap 4 can slip over the back of tooth of ratchet piece 21, perhaps the ratchet piece on the tumbler 18 21 is separated with safety strap 4, thereby the assurance safety strap is only reeled and is not launched after the safety strap constraint, after the safety belt lock catch release, safety strap is not only reeled but also launch.
In Fig. 8-11, interlinked mechanism 22 comprises being arranged on rotationally and is used to drive the cam 23 that tumbler 18 rotates on the automotive seats, one end is fixed on the other end on the cam 23 and is fixed on traction piece 24 on the locking piece 6, be used to provide first elastic component 25 of 18 1 elastic-restoring forces of tumbler, cam 23 is arranged on the mount pad 20 rotationally, traction piece 24 can adopt hauling rope, the profile of cam 23 has first working position and second working position, when locking piece 6 and snap close 5 are interlocked, first working position of cam 23 profiles contacts with tumbler 18 or is oppositely arranged, push against safety strap 4 on fixed block 19 by the ratchet piece 21 on the elastic-restoring force tumbler 18 of first elastic component 25, if pulling this moment safety strap 4, making ratchet piece 21 push against the application force of safety strap 4 on fixed block 19 by the friction force between safety strap 4 and the ratchet piece 21 can strengthen, safety strap 4 can not be pulled expansion, as shown in figure 10, perhaps overcome the elastic-restoring force of first elastic component 25, safety strap 4 slips over the back of tooth of ratchet piece 21, and then safety strap 4 can be drawn in; After locking piece 6 and snap close 5 are separated, locking piece 6 and cam 23 rotate, and the second working position conflict tumbler 18 of cam 23 profiles overcomes the elastic-restoring force of first elastic component 25, tumbler 18 is separated with safety strap 4, and this moment, safety strap can freely stretch.
In order to guarantee the smooth rotation of locking piece 6 and cam 23, interlinked mechanism 22 also comprises second elastic component 26 and the 3rd elastic component that is used to provide cam 23 and 6 one elastic-restoring forces of locking piece, when locking piece 6 and snap close 5 are separated, locking piece 6 and cam 5 rotate under the elastic-restoring force effect of second elastic component 26 and the 3rd elastic component, make second working position of the cam 23 profiles tumbler 18 of can conflicting, when locking piece 6 and snap close 5 are interlocked, the elastic-restoring force that overcomes the 3rd elastic component comes twist-lock spare 6, locking piece 6 drives the elastic-restoring force that cam 23 overcomes second elastic component 26 by traction piece 24 and rotates, and makes first working position of cam 23 profiles contact with tumbler 18 or is oppositely arranged.
In Fig. 8 and Fig. 9, wireline reel is arranged on the top at automotive seats backrest 3 back sides, two safety strap 4 that partly are stitched together are wound on the wireline reel, the back side of automotive seats backrest 3 is provided with mount pad 20 in the bottom of wireline reel, tumbler 18 is arranged on the mount pad 20, fixed block 19, cam 23, the safety strap that launches passes between the ratchet piece 21 and fixed block 19 of tumbler 18, offer perforation on the left and right sides of backrest 3, two safety strap 4 pass the perforation on the backrest 3 respectively, come the front of backrest 3, two safety strap 4 are separately fixed at the both sides at the rear portion at seat 2, have formed shoulder belt partial sum waistband portion.
In Fig. 8-12, the rotation of locking piece 6, drive the rotation of cam 23 by traction piece 24, thereby the ratchet piece 21 on the control tumbler 18 pushes against safety strap 4 on fixed block 19, perhaps make safety strap 4 can slip over the back of tooth of ratchet piece 21, perhaps the ratchet piece on the tumbler 18 21 is separated with safety strap 4, then in other embodiment, locking piece 6 can not rotate setting, as long as locking piece 6 fastens after drawing or unclamped hauling rope with snap close 5, then can utilize the stretching of hauling rope or unclamp automatic locking and the release that realizes the safety strap constraint by automatic locking mechanism.

Claims (13)

1. restraining and locking structure of safety belt on vehicle seat, comprise the wireline reel that is arranged on rotationally on the described automotive seats, can be wound on the safety strap on the described wireline reel, be arranged on the snap close of described safety strap from the position that described wireline reel launches, be used for the locking piece that is interlocked or is separated with described snap close, it is characterized in that: described restraining and locking structure of safety belt comprises that also described safety strap when being used to described locking piece and described snap close are interlocked can not launch and be used to make described locking piece and described snap close to be separated automatic locking mechanism that the described safety strap in back can reel and can launch can only reeling on the described wireline reel on described wireline reel.
2. locking structure according to claim 1 is characterized in that: described locking piece is arranged on the described automotive seats rotationally by turning cylinder.
3. locking structure according to claim 2, it is characterized in that: described automatic locking mechanism comprises the baffle plate that is arranged on rotationally on the described automotive seats, be fixedly installed on the ratchet on the described wireline reel, described baffle plate has first mode of operation and second mode of operation, when described baffle plate is in first mode of operation, described baffle plate is inserted in the teeth groove of described ratchet, stop described ratchet and described wireline reel to rotate towards the direction of launching described safety strap, perhaps described ratchet and described wireline reel rotate towards the direction that winds up described safety strap, and this moment, described baffle plate slipped over the back of tooth of described ratchet; When described baffle plate is in second mode of operation, described baffle plate and described ratchet are separated, and described automatic locking mechanism comprises that also being used for when described locking piece and described snap close are interlocked described baffle plate is in first mode of operation or is in the interlinked mechanism of second mode of operation at described locking piece and the described snap close described baffle plate in back that is separated.
4. locking structure according to claim 3, it is characterized in that: described interlinked mechanism comprises the fixed plate that is arranged on the described locking piece, first elastic component that is used to provide an elastic-restoring force of described baffle plate, when described locking piece and described snap close are interlocked, described fixed plate and described baffle plate are separated, described baffle plate is under the elastic-restoring force effect of described first elastic component, be inserted in the teeth groove of described ratchet, perhaps slip over the back of tooth of described ratchet; After described locking piece and described snap close were separated, described locking piece or described fixed plate rotated, and described fixed plate and described baffle plate are inconsistent, and described baffle plate overcomes the elastic-restoring force effect of described first elastic component, is separated with described ratchet.
5. locking structure according to claim 4, it is characterized in that: described interlinked mechanism also comprises second elastic component that is used to provide a described locking piece or an elastic-restoring force of described fixed plate, after described locking piece and described snap close were separated, described locking piece or described fixed plate rotated by the elastic-restoring force of described second elastic component.
6. locking structure according to claim 4 is characterized in that: described fixed plate adopts shell fragment.
7. locking structure according to claim 3, it is characterized in that: have mounting hole on the described automotive seats, the end of described baffle plate is inserted in the described mounting hole rotationally, the non-circular setting of cross-sectional plane of described baffle plate end, the inwall of described mounting hole have be used for described baffle plate end inconsistent to forbid the position that stops of described baffle plate inordinate rotation.
8. locking structure according to claim 2, it is characterized in that: described automatic locking mechanism comprises the tumbler that is arranged on the described automotive seats, be arranged on the fixed block on the described automotive seats, has at least one ratchet piece on the described tumbler, described safety strap is through between the ratchet piece and described fixed block of described tumbler, described tumbler has first mode of operation and second mode of operation, when described tumbler is in first mode of operation, ratchet piece on the described tumbler pushes against described safety strap on described fixed block, stop described safety strap to launch from described wireline reel, perhaps described safety strap slips over the back of tooth of described ratchet piece, reels on described wireline reel; When described tumbler is in second mode of operation, ratchet piece and described safety strap on the described tumbler are separated, and described automatic locking mechanism comprises that also being used for when described locking piece and described snap close are interlocked described tumbler is in first mode of operation or is in the interlinked mechanism of second mode of operation at described locking piece and the described snap close described tumbler in back that is separated.
9. locking structure according to claim 8, it is characterized in that: described interlinked mechanism comprises being arranged on rotationally and is used to drive the cam that described tumbler rotates on the described automotive seats, one end is fixed on the traction piece on the described cam, be used to provide first elastic component of an elastic-restoring force of described tumbler, the other end of described traction piece is fixed on the described locking piece, the profile of described cam has first working position and second working position, when described locking piece and described snap close are interlocked, first working position of described camb contour contacts with described tumbler or is oppositely arranged, push against described safety strap on described fixed block by the ratchet piece on the described tumbler of the elastic-restoring force of described first elastic component, perhaps overcome the elastic-restoring force of described first elastic component, described safety strap slips over the back of tooth of described ratchet piece; After described locking piece and described snap close are separated, described locking piece and described cam rotate, second working position of the described camb contour described tumbler of conflicting overcomes the elastic-restoring force of described first elastic component, and described tumbler and described safety strap are separated.
10. locking structure according to claim 9, it is characterized in that: described interlinked mechanism also comprises second elastic component and the 3rd elastic component that is used to provide a described cam and an elastic-restoring force of described locking piece, when described locking piece and described snap close were separated, described locking piece and described cam rotated under the elastic-restoring force effect of described second elastic component and the 3rd elastic component.
11. locking structure according to claim 1 and 2, it is characterized in that: described safety strap comprises shoulder belt part, the waistband portion that is positioned at the described automotive seats left and right sides, the described shoulder belt part of the same side is wholely set with described waistband portion, described snap close has a pair of, a pair of described snap close is separately positioned on the described shoulder belt part or waistband portion of both sides, described pair of catches matches with described locking piece, described locking piece is positioned at the middle part at the seat of described automotive seats, and is positioned at the place ahead of described shoulder belt partial sum waistband portion.
12. locking structure according to claim 11, it is characterized in that: described pair of catches is slidably disposed on respectively on the described shoulder belt part or waistband portion of both sides, have perforation on the described pair of catches respectively, the described shoulder belt part that is wholely set is through in this perforation with waistband portion.
13. locking structure according to claim 1 and 2, it is characterized in that: described safety strap comprises the shoulder belt part that is positioned at the described automotive seats left and right sides, described snap close has a pair of, a pair of described snap close is separately positioned on the described shoulder belt part of both sides, described pair of catches matches with described locking piece, described locking piece is positioned at the middle part at the seat of described automotive seats, and is positioned at the place ahead of described shoulder belt part.
CN201020274575XU 2010-07-29 2010-07-29 Restraining and locking structure of safety belt of automobile seat Expired - Fee Related CN201769781U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101890931A (en) * 2010-07-29 2010-11-24 好孩子儿童用品有限公司 Restraining and locking structure of safety belt on vehicle seat
CN102848941A (en) * 2011-07-01 2013-01-02 明门香港股份有限公司 Child seat
CN110254304A (en) * 2019-06-24 2019-09-20 好孩子儿童用品有限公司 Child safety seat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101890931A (en) * 2010-07-29 2010-11-24 好孩子儿童用品有限公司 Restraining and locking structure of safety belt on vehicle seat
CN101890931B (en) * 2010-07-29 2012-06-13 好孩子儿童用品有限公司 Restraining and locking structure of safety belt on vehicle seat
CN102848941A (en) * 2011-07-01 2013-01-02 明门香港股份有限公司 Child seat
CN110254304A (en) * 2019-06-24 2019-09-20 好孩子儿童用品有限公司 Child safety seat

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