CN108128221B - Chair back pitching angle adjusting mechanism and child safety seat - Google Patents
Chair back pitching angle adjusting mechanism and child safety seat Download PDFInfo
- Publication number
- CN108128221B CN108128221B CN201810113637.XA CN201810113637A CN108128221B CN 108128221 B CN108128221 B CN 108128221B CN 201810113637 A CN201810113637 A CN 201810113637A CN 108128221 B CN108128221 B CN 108128221B
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- arc
- chair
- base
- chair body
- push plate
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 230000009471 action Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 10
- 210000002105 tongue Anatomy 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2821—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2851—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2875—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle inclinable, as a whole or partially
- B60N2/2878—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle inclinable, as a whole or partially the back-rest being inclinable
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a child safety seat and a chair back pitching angle adjusting mechanism, which comprises a base and a seat body, wherein the seat body comprises a seat and a chair back which are integrated, an arc-shaped track extending towards the direction of the chair back is arranged at the bottom of the seat, an arc-shaped fixing frame capable of sliding in the arc-shaped track is arranged in the arc-shaped track, a fixing shaft which is connected with the base in a shaft mode is arranged at the bottom of the arc-shaped fixing frame, and the pitching angle of the chair back is achieved by moving the position of the arc-shaped fixing frame in the arc-shaped track. The structure of the invention ensures that the structure between the base and the chair body is firm, and simultaneously the adjustment of the pitching angle of the chair back is convenient.
Description
Technical Field
The invention relates to a child safety seat, in particular to a chair back pitching angle adjusting mechanism and a child safety seat.
Background
Child safety seats are typically mounted on car seats, and the vehicle provides two ISOFIX interfaces that connect with ISOFIX components on the child safety seat.
The utility model provides a 360 degrees rotatory children's safety seat of angle regulation of pitching of degree that China authorized bulletin number CN105034873B discloses, includes seat body and base, and the base of seat body is the cambered surface, is equipped with the arc spout on the cable face, and the slip is equipped with the arc fixed plate in the arc spout, and the bottom fixed connection of arc fixed plate is on above the rotary disk, and the rotary disk is fixed with the base, this internal pitch angle adjustment mechanism that is used for adjusting between seat body and the base that is equipped with of seat, angle adjustment mechanism includes regulation baffle, regulation baffle includes pressing part, articulated part and bulge, articulated part and seat body are articulated.
The pitch angle adjusting process is as follows: when the adjusting baffle is in a static state, the protruding part of the adjusting baffle is embedded into the gear groove on the rotating disc to form a pitch angle for locking, when the pressing part on the adjusting baffle is pressed towards the lower part of the base body, the protruding part embedded into the gear groove of the rotating disc is lifted up by utilizing the lever principle, the adjusting baffle is separated from the rotating disc, and the angle of the base body is adjustable.
The pitch angle adjusting mechanism of the patent is insufficient in structural strength and insufficient in reliability.
In view of this, those skilled in the art seek to provide a novel chair back pitch angle adjustment mechanism for a child safety seat.
Disclosure of Invention
The invention aims to solve the technical problem of providing a chair back pitching angle adjusting mechanism and a child safety seat which are firmly connected and firmly locked, which not only can realize pitching angle adjustment between a base and a seat body, but also can ensure reliable connection and locking between the base and the seat body.
The technical scheme provided by the invention for solving the technical problems is as follows: the chair back pitching angle adjusting mechanism of the child safety chair comprises a base and a chair body, wherein the chair body comprises a chair seat and a chair back which are integrated, an arc-shaped track extending towards the direction of the chair back is arranged at the bottom of the chair seat, an arc-shaped fixing frame capable of sliding in the arc-shaped track is arranged in the arc-shaped track, a fixing shaft connected with the base in a shaft mode is arranged at the bottom of the arc-shaped fixing frame, and the pitching angle of the chair back is achieved by moving the position of the arc-shaped fixing frame in the arc-shaped track.
The invention further preferably comprises the following steps: the bottom of seat support is equipped with the arm-tie of taking the handle, the arm-tie on be equipped with the chute, the lateral part of arc mount be equipped with first arc wall, first arc wall on be equipped with a plurality of gear grooves that distribute along arc mount length direction, the control axle wears simultaneously in the chute of arm-tie and the first arc wall of arc mount, drives the control axle through the chute on the arm-tie and shifts out or move into the gear inslot, realize the concrete position of arc mount on the arc track through the adjustment control axle at different gear grooves.
The invention further preferably comprises the following steps: the arc track include about two leading truck subassemblies, the both sides of leading truck subassembly are equipped with arc guide way and lower arc guide way respectively, fixed being equipped with on the arc mount and going up guiding axle and lower guiding axle, last guiding axle be in last arc guide way in slide, lower guiding axle be in lower arc guide way in slide.
The invention further preferably comprises the following steps: the pull plate is provided with a guide hole, the chair seat is provided with a guide rib, and the guide rib penetrates into the guide hole.
The invention further preferably comprises the following steps: and a reset spring is arranged between the pull plate and the arc-shaped fixing frame.
The invention further preferably comprises the following steps: the chair body on be equipped with the sunken region that is used for installing the arc mount, the height of arc mount on the chair body does not exceed the rear surface of the chair body.
The invention further preferably comprises the following steps: the guide frame assembly comprises an upper guide frame and a lower guide frame, wherein the upper arc-shaped guide groove is formed in the upper guide frame, and the lower arc-shaped guide groove is formed in the lower guide frame.
The invention further preferably comprises the following steps: child safety seat, including base and the chair body, be equipped with the headrest on the chair body, the chair body is equipped with the arc track that extends to the back of the chair direction including integrative seat support and back of the chair, its characterized in that seat support's bottom, the arc track in be equipped with can be at the gliding arc mount in the arc track, the bottom of arc mount be equipped with the fixed axle of coupling in the base, realize the every single move angle of back of the chair through removing the position of arc mount in the arc track. The invention further preferably comprises the following steps: the bottom of seat support is equipped with the arm-tie of taking the handle, the arm-tie on be equipped with the chute, the lateral part of arc mount be equipped with first arc wall, first arc wall on be equipped with a plurality of gear grooves that distribute along arc mount length direction, the control axle wears simultaneously in the chute of arm-tie and the first arc wall of arc mount, drives the control axle through the chute on the arm-tie and shifts out or move into the gear inslot, realize the concrete position of arc mount on the arc track through the adjustment control axle at different gear grooves.
The invention further preferably comprises the following steps: the arc track include about two leading truck subassemblies, the both sides of leading truck subassembly are equipped with arc guide way and lower arc guide way respectively, fixed on the arc mount be equipped with upper guide axle and lower guide axle, upper guide axle be in upper arc guide way sliding, lower guide axle be in lower arc guide way sliding
Compared with the prior art, the chair has the advantages that the bottom of the arc-shaped fixing frame is provided with the fixing shaft which is connected with the base in a shaft way, the arc-shaped fixing frame is positioned in the arc-shaped track, and the pitching angle of the chair back is realized by moving the arc-shaped fixing frame in the arc-shaped track, namely by adjusting the position of the arc-shaped fixing frame on the chair back. The structure of the invention ensures that the structure between the base and the chair body is firm, and simultaneously the adjustment of the pitching angle of the chair back is convenient.
Drawings
FIG. 1 is an overall construction view of a child safety seat of the present invention;
FIG. 2 is an exploded view of the headrest height adjustment structure of the present invention;
FIG. 3 is a block diagram of a handle assembly of the present invention;
FIG. 4 is a block diagram of the detent block of the present invention;
FIG. 5 is a block diagram of a compact of the present invention;
FIG. 6 is a partial construction view (one) of the headrest height adjustment mechanism of the present invention;
FIG. 7 is a partial construction view (II) of the headrest height adjustment mechanism according to the present invention;
FIG. 8 is a partial construction view (III) of the headrest height adjustment mechanism according to the present invention;
FIG. 9 is a cross-sectional view of the headrest height adjustment mechanism of the present invention;
FIG. 10 is an enlarged view of FIG. 9 at A;
FIG. 11 is a partial construction view (IV) of the headrest height adjustment structure of the present invention;
FIG. 12 is a schematic structural view of a headrest height adjustment mechanism of the present invention;
FIG. 13 is an exploded view of the chair back tilt angle adjustment mechanism of the present invention;
FIG. 14 is a perspective view of the chair back tilt angle adjustment mechanism of the present invention;
FIG. 15 is a block diagram of a pulling plate of the present invention;
FIG. 16 is a block diagram of an arcuate mount of the present invention;
FIG. 17 is an exploded view of the arcuate track of the present invention;
FIG. 18 is a schematic view of a recessed area of the present invention;
FIG. 19 is a block diagram of the arcuate track of the present invention on a chair body;
FIG. 20 is a block diagram of an arcuate mount of the present invention on an arcuate track;
FIG. 21 is a cross-sectional view of the chair back pitch angle adjustment structure of the present invention;
FIG. 22 is an exploded view of the swivel connection of the base to the chair according to the present invention;
FIG. 23 is a partial block diagram of a base of the present invention;
FIG. 24 is a cross-sectional view of a base and chair body swivel connection structure of the present invention;
FIG. 25 is a block diagram of a base of the present invention;
FIG. 26 is a block diagram of a base (II) of the present invention;
Fig. 27 is a structural view (iii) of the base of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1-12, the child safety seat comprises a base 1, a seat body 2 and a headrest 3, wherein the seat body 2 comprises a seat support 21 and a seat back 22, a headrest height adjusting mechanism is arranged between the seat back 22 and the headrest 3, a through groove 221 extending along the height direction of the seat back 22 is formed in the back surface of the seat back 22, a plurality of first gear grooves 222 extending along the height direction of the seat back are formed in the back surfaces of two sides of the through groove 221, an adjusting component comprises a handle component 4 fixed with the headrest 3, a clamping block 5 and a pressing block 6 positioned on the back surface of the seat back, a first protruding inclined surface 41 is arranged on the handle component 4, a second protruding inclined surface 51 and a protruding block 52 matched with the first gear grooves 222 are integrally arranged on the clamping block 5, and a concave cavity 61 for the clamping block 5 to move forwards and backwards is formed in the pressing block 6; the handle assembly 4 is lifted up, the second raised inclined surface 51 moves towards the rear of the concave cavity 61 under the action of the first raised inclined surface 41, the lug 52 leaves the first gear groove 222, and the handle assembly 4 can pull the headrest 3 to the proper height of the seat back 22.
As shown in fig. 2-12, a first return spring 62 that applies a pushing force to the clamping block 5 is disposed in the cavity 61, after the pull force of the pull handle assembly 4 is released, the first protruding inclined surface 41 and the second protruding inclined surface 51 are separated from each other, the clamping block 5 is pushed forward by the acting force of the first return spring 62, and the protruding block 52 on the clamping block 5 is embedded into the corresponding first gear groove 222 of the seat back 22, so that the position of the headrest 3 on the seat back 22 is fixed.
As shown in fig. 2 and 3, a second return spring 42 is provided between the handle assembly 4 and the headrest 3, and the second return spring 42 applies a downward force to the headrest 3, under which the first protruding inclined surface 41 of the handle assembly 4 is separated from the second protruding inclined surface 51 of the locking block 5. When the handle assembly 4 is not pulled, the force of the first return spring 62 pushes the latch block 5, so that the protrusion 52 on the latch block 5 is matched with the first gear groove 222, as shown in fig. 4, and the headrest 3 is fixed on a specific gear of the seatback 22.
As shown in fig. 5, the pressing block 6 is provided with a guide post 63 for ensuring the linear movement of the lock block 5. The clamping block can move forwards and backwards under the action of the spring or the inclined plane of the handle component.
As shown in fig. 2 and 8, a cover plate 64 is fixedly provided on the back surface of the seat back 22, and a guide chamber 65 for moving the pressing block 6 is provided on the front side of the cover plate 64 to extend in the height direction of the seat back 22. Since the pressing block 6 moves up and down along with the positioning block 4 on the back of the seat back 22, a fixed guide cavity 65 is required to ensure that the pressing block 6 moves up and down linearly on the back of the seat back 22.
As shown in fig. 4, the protrusions 52 are distributed on both sides of the second protrusion inclined surface 51, and the protrusions 52 correspond to the number and positional relationship of the first gear grooves 222. The second raised ramp 51 of the detent block 5 mates with the first raised ramp 41 of the pull handle assembly 4, while the tab of the detent block needs to mate 222 with the first gear slot on the seat back.
The headrest 3 and the handle component 4 are fixed through a screw component, and a handle part is arranged above the handle component. The handle assembly 4 can pull the headrest 3 to synchronously move up and down.
As shown in fig. 13-21, the chair back pitching angle adjusting mechanism of the child safety chair comprises a base 1 and a chair body 2, wherein the chair body 2 comprises a chair seat 21 and a chair back 22 which are integrated, an arc-shaped track 7 extending towards the direction of the chair back 22 is arranged at the bottom of the chair seat 21, an arc-shaped fixing frame 8 capable of sliding in the arc-shaped track 7 is arranged in the arc-shaped track 7, a fixing shaft 81 which is axially connected with the base 1 is arranged at the bottom of the arc-shaped fixing frame 8, and the pitching angle of the chair back 22 is realized by moving the position of the arc-shaped fixing frame 8 in the arc-shaped track 7. The arc-shaped fixing frame 8 is shown in fig. 16.
Because the relative positions of the arc-shaped fixing frame 8 and the base 1 are fixed, when the arc-shaped fixing frame 8 moves on the arc-shaped track 7 of the seat back 22, the position between the base 1 and the seat back 22 also moves, so that the relation of the pitching angle of the seat back 22 is adjusted, and the base 1 is usually fixed on an automobile seat.
As shown in fig. 15, the bottom of the seat 21 is provided with a pull plate 9 with a handle, the pull plate 9 is provided with a chute 91, the side part of the arc-shaped fixing frame 8 is provided with a first arc-shaped groove 82, the first arc-shaped groove 82 is provided with a plurality of second gear grooves 83 distributed along the length direction of the arc-shaped fixing frame 8, the control shaft 10 simultaneously penetrates through the chute 91 of the pull plate 9 and the first arc-shaped groove 82 of the arc-shaped fixing frame 8, the control shaft 10 is driven to move out of or into the second gear grooves 83 through the chute 91 of the pull plate 9, and the specific position of the arc-shaped fixing frame 8 on the arc-shaped track 7 is realized through adjusting the control shaft 10 in different second gear grooves 83.
Pulling the pull plate 9, the control shaft moves in the chute 91 of the pull plate 9 and moves out of the second gear groove 83 of the arc-shaped fixing frame 8, the arc-shaped fixing frame 8 is released, the movement of the arc-shaped fixing frame 8 in the arc-shaped track 7 is operated by hands, when the arc-shaped fixing frame 8 is moved to a specific position of the arc-shaped track 7, the pull plate 9 is released, the control shaft moves in the chute, and meanwhile, the control shaft falls into the certain second gear groove 83 of the arc-shaped fixing frame 8, so that the position of the arc-shaped fixing frame 8 on the arc-shaped track 7 is fixed.
As shown in fig. 17, the arc track 7 includes left and right guide frame components 71, both sides of the guide frame components 71 are respectively provided with an upper arc guide groove 711 and a lower arc guide groove 712, the arc fixing frame 8 is fixedly provided with an upper guide shaft 84 and a lower guide shaft 85, the upper guide shaft 84 slides in the upper arc guide groove 711, and the lower guide shaft 85 slides in the lower arc guide groove 712. The guide frame assembly 71 ensures that the arc-shaped fixing frame 8 and the upper and lower guide shafts 84 and 85 ensure that the arc-shaped fixing frame 8 can move in the arc-shaped track 7.
As shown in fig. 15, the pull plate 9 is provided with a guide hole 92, the seat 21 is provided with a guide rib 211, and the guide rib 211 penetrates into the guide hole 92. The guide assembly is arranged to ensure that the pulling plate can be in a linear moving path.
A third reset spring is arranged between the pull plate 9 and the arc-shaped fixing frame 8. When the hand releases the pull plate 9, the pull plate is released to the original state.
The chair body 2 is provided with a concave area 23 for installing the arc-shaped fixing frame 8, and the height of the arc-shaped fixing frame 8 on the chair body 2 does not exceed the rear surface of the chair body 2. This is to ensure that the mounting of the arcuate mounting bracket 8 on the seat back 22 does not affect the mating relationship between the seat body 2 and the base 1.
As shown in fig. 17, the guide frame assembly 71 includes an upper guide frame 713 and a lower guide frame 714, the upper arc-shaped guide groove 711 is provided on the upper guide frame 713, and the lower arc-shaped guide groove 712 is provided on the lower guide frame 714. Because the guide frame has an arc structure, the guide frame assembly is divided into upper and lower guide frames 713 and 714, which can facilitate the processing of the guide frame and the installation of the guide frame on the seat back 22.
As shown in fig. 22-27, the rotating connection structure of the base and the chair body of the child safety seat comprises a base 1 and a chair body 2, a fixed shaft 81 and locking rods 86 positioned at two sides of the fixed shaft 81 are fixedly arranged at the bottom of the chair body 2, the two locking rods 86 and the fixed shaft 81 are positioned on the same straight line, a linkage lock 15 is arranged on the base 1, the linkage lock 15 comprises four locking parts 151 which are symmetrically and uniformly distributed along a circumference and can be linked, the base 1 is axially connected with the chair body 2 through the fixed shaft 81 to enable the chair body 2 to rotate relative to the base 1, and a pair of locking parts 151 on the circumference diameter of the linkage lock 15 respectively lock the corresponding locking rods 86, so that the position between the base 1 and the chair body 2 is fixed.
As shown in fig. 23-26, four locking parts 151 are arranged in four directions of the base 1, and the chair body and the base can rotate by 360 degrees, but the invention can rotate the chair body to four directions, and lock the chair body by the locking parts, and each position of the chair body is locked by two locking parts, so that the connection between the chair body and the base is firm.
The fixing shaft 81 and the locking lever 86 are distributed in the height direction of the chair body 2. Meanwhile, the arrangement mode of the fixed shaft and the locking rod can better realize the adjustment of the pitching angle of the chair back.
As shown in fig. 23 to 26, the base 1 is provided with a circular groove 11 in which the lock lever 86 is rotated, and the tip of the lock lever 86 protrudes into the circular groove 11. Since the locking lever 86 moves circumferentially along the inner side of the base 1 when the seat 2 rotates relative to the base 1, the circular groove 11 provides a moving path for the locking lever 86. Of course, the distance from the two locking bars 86 to the fixed shaft 81 is the same, and both locking bars 86 are matched with the circular groove 11.
The locking rod 86 has a U-shaped structure, the locking part 151 is a lock tongue, and the lock tongue 151 can extend into or withdraw from the U-shaped inner hole of the locking rod 86 in the circular groove 11. The lock tongue is a rod lock tongue, and can also be other lock tongues, and at least one part of the lock tongue stretches into the U-shaped inner hole of the locking 86 rod, so that the position relation between the chair body and the base is fixed.
As shown in fig. 25-26, the linkage lock 15 includes a push plate 152 including a handle, a first pair of locking bolts 1511 directly connected to the push plate 152, and a first pair of locking bolts having rod-shaped locking bolts, wherein a moving direction of the locking bolts 1511 is identical to a moving direction of the push plate 152. The two sides of the push plate 152 are provided with inclined holes 1521, the connecting columns 1512 of the second pair of bolts 1513 are positioned in the inclined holes 1521, the moving direction of the push plate 152 is 90 degrees with the moving direction of the second pair of bolts 1513, and the second pair of bolts can be bolts with U-shaped forks.
The linkage lock 15 is further provided with a fourth return spring 153, the fourth return spring 153 is connected between the push plate 152 and the base 1, and the stretching direction of the fourth return spring 153 is consistent with the movement direction of the push plate 152. When the linkage lock is pulled out by the hand, the linkage lock releases the locking of the locking rod, and after the hand is released, the linkage lock 15 locks the locking rod under the action of the fourth reset spring.
The foregoing has outlined the more detailed description of the child safety seat of the present invention and has therefore been provided for the purpose of illustrating the principles and embodiments of the present invention and for the purpose of providing a better understanding of the present invention and its core concepts. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (10)
1. The utility model provides a children's safety seat's back of chair every single move angle adjustment mechanism, includes base and the chair body, and the chair body includes integrative seat support and back of the chair, its characterized in that: the bottom of the chair seat is provided with an arc-shaped track extending towards the direction of the chair back, an arc-shaped fixing frame capable of sliding in the arc-shaped track is arranged in the arc-shaped track, the bottom of the arc-shaped fixing frame is provided with a fixed shaft which is connected with the base in a shaft way, and the pitching angle of the chair back is realized by moving the position of the arc-shaped fixing frame in the arc-shaped track;
The bottom of the chair body is fixedly provided with a fixed shaft and locking rods positioned at two sides of the fixed shaft, the two locking rods and the fixed shaft are approximately positioned on the same straight line, the base is provided with a linkage lock, the linkage lock comprises four locking parts which are symmetrically and uniformly distributed along a circumference and can be linked, the base is axially connected with the chair body through the fixed shaft to enable the chair body to rotate relative to the base, and the pair of locking parts on the circumference diameter of the linkage lock are respectively locked with the corresponding locking rods, so that the position between the base and the chair body is fixed;
The linkage lockset comprises a push plate comprising a handle, wherein a first pair of lock bolts are directly connected with the push plate, the movement direction of the lock bolts is consistent with that of the push plate, oblique holes are formed in two sides of the push plate, connecting columns of a second pair of lock bolts are positioned in the oblique holes, and the movement direction of the push plate is 90 degrees with that of the second pair of lock bolts;
the linkage lockset is also provided with a reset spring, the reset spring is connected between the push plate and the base, and the stretching direction of the reset spring is consistent with the movement direction of the push plate; when the linkage lockset is pulled by the hand, the linkage lockset releases the locking of the locking rod, and after the hand is released, the linkage lockset locks the locking rod under the action of the reset spring.
2. The child safety seat back pitch angle adjustment mechanism according to claim 1, wherein: the bottom of seat support is equipped with the arm-tie of taking the handle, the arm-tie on be equipped with the chute, the lateral part of arc mount be equipped with first arc wall, first arc wall on be equipped with a plurality of gear grooves that distribute along arc mount length direction, the control axle wears simultaneously in the chute of arm-tie and the first arc wall of arc mount, drives the control axle through the chute on the arm-tie and shifts out or move into the gear inslot, realize the concrete position of arc mount on the arc track through the adjustment control axle at different gear grooves.
3. The child safety seat back pitch angle adjustment mechanism according to claim 2, wherein: the arc track include about two leading truck subassemblies, the both sides of leading truck subassembly are equipped with arc guide way and lower arc guide way respectively, fixed being equipped with on the arc mount and going up guiding axle and lower guiding axle, last guiding axle be in last arc guide way in slide, lower guiding axle be in lower arc guide way in slide.
4. A child safety seat back pitch angle adjustment mechanism according to claim 3, wherein: the pull plate is provided with a guide hole, the chair seat is provided with a guide rib, and the guide rib penetrates into the guide hole.
5. The child safety seat back pitch angle adjustment mechanism according to claim 2, wherein: and a reset spring is arranged between the pull plate and the arc-shaped fixing frame.
6. The child safety seat back pitch angle adjustment mechanism according to claim 1, wherein: the chair body on be equipped with the sunken region that is used for installing the arc mount, the height of arc mount on the chair body does not exceed the rear surface of the chair body.
7. A child safety seat back pitch angle adjustment mechanism according to claim 3, wherein: the guide frame assembly comprises an upper guide frame and a lower guide frame, wherein the upper arc-shaped guide groove is formed in the upper guide frame, and the lower arc-shaped guide groove is formed in the lower guide frame.
8. Child safety seat, including base and the chair body, be equipped with the headrest on the chair body, the chair body includes integrative seat support and back of the chair, its characterized in that: the bottom of the chair seat is provided with an arc-shaped track extending towards the direction of the chair back, an arc-shaped fixing frame capable of sliding in the arc-shaped track is arranged in the arc-shaped track, the bottom of the arc-shaped fixing frame is provided with a fixed shaft which is connected with the base in a shaft way, and the pitching angle of the chair back is realized by moving the position of the arc-shaped fixing frame in the arc-shaped track;
The bottom of the chair body is fixedly provided with a fixed shaft and locking rods positioned at two sides of the fixed shaft, the two locking rods and the fixed shaft are approximately positioned on the same straight line, the base is provided with a linkage lock, the linkage lock comprises four locking parts which are symmetrically and uniformly distributed along a circumference and can be linked, the base is axially connected with the chair body through the fixed shaft to enable the chair body to rotate relative to the base, and the pair of locking parts on the circumference diameter of the linkage lock are respectively locked with the corresponding locking rods, so that the position between the base and the chair body is fixed;
The linkage lockset comprises a push plate comprising a handle, wherein a first pair of lock bolts are directly connected with the push plate, the movement direction of the lock bolts is consistent with that of the push plate, oblique holes are formed in two sides of the push plate, connecting columns of a second pair of lock bolts are positioned in the oblique holes, and the movement direction of the push plate is 90 degrees with that of the second pair of lock bolts;
the linkage lockset is also provided with a reset spring, the reset spring is connected between the push plate and the base, and the stretching direction of the reset spring is consistent with the movement direction of the push plate; when the linkage lockset is pulled by the hand, the linkage lockset releases the locking of the locking rod, and after the hand is released, the linkage lockset locks the locking rod under the action of the reset spring.
9. The child safety seat according to claim 8, wherein: the bottom of seat support is equipped with the arm-tie of taking the handle, the arm-tie on be equipped with the chute, the lateral part of arc mount be equipped with first arc wall, first arc wall on be equipped with a plurality of gear grooves that distribute along arc mount length direction, the control axle wears simultaneously in the chute of arm-tie and the first arc wall of arc mount, drives the control axle through the chute on the arm-tie and shifts out or move into the gear inslot, realize the concrete position of arc mount on the arc track through the adjustment control axle at different gear grooves.
10. The child safety seat back pitch angle adjustment mechanism according to claim 9, wherein: the arc track include about two leading truck subassemblies, the both sides of leading truck subassembly are equipped with arc guide way and lower arc guide way respectively, fixed being equipped with on the arc mount and going up guiding axle and lower guiding axle, last guiding axle be in last arc guide way in slide, lower guiding axle be in lower arc guide way in slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810113637.XA CN108128221B (en) | 2018-02-05 | 2018-02-05 | Chair back pitching angle adjusting mechanism and child safety seat |
Applications Claiming Priority (1)
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| CN108128221B true CN108128221B (en) | 2024-04-19 |
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| CN111337266B (en) * | 2020-01-22 | 2021-05-11 | 东风汽车集团有限公司 | Device and method for verifying man-machine comfort of third row of seats of vehicle |
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| CN202186304U (en) * | 2011-07-26 | 2012-04-11 | 宁波贝倍安儿童用品有限公司 | Chair back angle adjusting device for child safety chair |
| CN105034873A (en) * | 2015-08-27 | 2015-11-11 | 江苏百佳斯特汽车制品有限公司 | 360-degree rotating and pitching angle adjusting child safety seat |
| CN205010036U (en) * | 2015-08-26 | 2016-02-03 | 常州安宝宝儿童座椅有限公司 | Angle -adjustable safety chair for children |
| CN105539216A (en) * | 2016-02-02 | 2016-05-04 | 宁波永驰婴童用品有限公司 | Backrest angle adjusting mechanism of child safety seat |
| CN106945576A (en) * | 2017-03-21 | 2017-07-14 | 苏州天萌儿童用品有限公司 | Child safety seat |
| CN207809124U (en) * | 2018-02-05 | 2018-09-04 | 安徽永驰婴童安全科技有限公司 | Chair back pitch angle regulating mechanism and child safety seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105667355B (en) * | 2014-11-20 | 2018-11-30 | 宝钜儿童用品香港股份有限公司 | Elevating mechanism and child safety seat with the mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202186304U (en) * | 2011-07-26 | 2012-04-11 | 宁波贝倍安儿童用品有限公司 | Chair back angle adjusting device for child safety chair |
| CN205010036U (en) * | 2015-08-26 | 2016-02-03 | 常州安宝宝儿童座椅有限公司 | Angle -adjustable safety chair for children |
| CN105034873A (en) * | 2015-08-27 | 2015-11-11 | 江苏百佳斯特汽车制品有限公司 | 360-degree rotating and pitching angle adjusting child safety seat |
| CN105539216A (en) * | 2016-02-02 | 2016-05-04 | 宁波永驰婴童用品有限公司 | Backrest angle adjusting mechanism of child safety seat |
| CN106945576A (en) * | 2017-03-21 | 2017-07-14 | 苏州天萌儿童用品有限公司 | Child safety seat |
| CN207809124U (en) * | 2018-02-05 | 2018-09-04 | 安徽永驰婴童安全科技有限公司 | Chair back pitch angle regulating mechanism and child safety seat |
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| CN108128221A (en) | 2018-06-08 |
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