CN108297746A - Children's seat and its safety belt controlling mechanism - Google Patents
Children's seat and its safety belt controlling mechanism Download PDFInfo
- Publication number
- CN108297746A CN108297746A CN201810199746.8A CN201810199746A CN108297746A CN 108297746 A CN108297746 A CN 108297746A CN 201810199746 A CN201810199746 A CN 201810199746A CN 108297746 A CN108297746 A CN 108297746A
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- safety belt
- seat
- rotary shaft
- handwheel
- rotation
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- 230000007246 mechanism Effects 0.000 title claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000004804 winding Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000000605 extraction Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 28
- 238000010586 diagram Methods 0.000 description 13
- 230000006872 improvement Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 5
- 239000002360 explosive Substances 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- B60N2/265—Adaptations for seat belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/18—Anchoring devices
- B60R22/26—Anchoring devices secured to the seat
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention relates to a kind of children's seat and its safety belt controlling mechanism, which includes：It is rotatably installed on the rotary shaft of chair framework, being fastened in the rotary shaft has safety belt；The corresponding end of the rotary shaft, is rotatably installed on the chair framework by at least recliner of an end portion in the both ends of the rotary shaft by the recliner；And it is drivingly connected the driving structure of the recliner, drive the recliner rotation to drive the rotary shaft to rotate by the driving structure, to realize the length adjustment of the safety belt.The present invention realizes the locking of safety belt using recliner, ensure that belt restraints function-stable is reliable.Safety belt is installed using rotary shaft, and driving structure can drive rotary shaft to rotate so that extraction can be facilitated in safety belt adjustment process, be also convenient for withdrawing, it is easy to operate.The present invention not only ensure that safety belt locking was stablized but also have adjusting easily advantage.
Description
Technical field
The present invention relates to child seat structure technical field, a kind of children's seat and its safety belt controlling mechanism are refered in particular to.
Background technology
With growing steadily for automobile retention, automobile has become the preferred manner of people's trip, in order to preferably protect
The safety of children's ride-on automobile is demonstrate,proved, child safety seat becomes the primary selection of people.
Seat belt mechanisms on children's seat are that children's seat plays its protection child passenger reduction collision accident injury work
Core component, therefore the reliability and stability of seat belt mechanisms are particularly significant for children's seat.Due to children's seat day
It needs frequently to adjust safety belt when being often used, it is easy to use to be also important design consideration.And existing children's seat
On seat belt mechanisms cannot to take into account locking stable and adjust convenient both sides requirement, the seat belt mechanisms of usual children's seat
To ensure that there is higher locking to stablize so that the adjusting of its safety belt is extremely cumbersome, to cause inconvenience for user.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of children's seat is provided and its safety belt adjusts machine
Structure solves the problems, such as that existing seat belt mechanisms cannot take into account locking stabilization and adjust convenient two aspect and requires.
Realizing the technical solution of above-mentioned purpose is：
The present invention provides a kind of safety belt controlling mechanisms of children's seat, including：
It is rotatably installed on the rotary shaft of chair framework, being fastened in the rotary shaft has safety belt；
At least recliner of an end portion in the both ends of the rotary shaft, by the recliner by the rotation
The corresponding end of axis is rotatably installed on the chair framework；And
It is drivingly connected the driving structure of the recliner, drives the recliner rotation to drive by the driving structure
The rotary shaft rotation, to realize the length adjustment of the safety belt.
The present invention realizes the locking of safety belt using recliner, ensure that belt restraints function-stable is reliable.Using
Rotary shaft installs safety belt, and driving structure can drive rotary shaft to rotate so that can facilitate pumping in safety belt adjustment process
Go out, be also convenient for withdrawing, realizes the length adjustment of safety belt, it is easy to operate.The present invention not only ensure that safety belt locking stablize but also
With the easily advantage of adjusting.
The safety belt controlling mechanism of children's seat of the present invention further improvement lies in that, the recliner include be fixedly mounted
In on the chair framework fixed part and the rotation section that is rotatably arranged on the fixed part, the rotation section and the rotation
The corresponding end of shaft is fixedly connected, and the rotation section is also connect with the driving structure.
The safety belt controlling mechanism of children's seat of the present invention further improvement lies in that, offered on the rotation section polygon
Shape hole；
The driving structure is connected with transmission shaft compatible with the polygonal hole, and the transmission shaft wears described polygon
Shape hole drives the transmission shaft to rotate, and then drives the rotation section to turn by the polygonal hole by the driving structure
It is dynamic.
The safety belt controlling mechanism of children's seat of the present invention further improvement lies in that, the both ends of the rotary shaft are all provided with
There is recliner；
The transmission shaft wears the polygonal hole in two recliners and is partially disposed in the rotary shaft, with synchronous drive
Two recliners are rotated.
The safety belt controlling mechanism of children's seat of the present invention further improvement lies in that, the driving structure be handwheel, packet
It includes and is drivingly connected the handwheel seat of the recliner, be sticked in the handwheel cover of the handwheel seat and be connected to the handwheel seat and institute
State the first wind spring of handwheel cover；The handwheel seat is equipped with telescopically adjustable sliding pin, and the handwheel cover is equipped with and the cunning
Sell compatible fore shaft；
The handwheel cover can be rotated relative to the handwheel seat, and the handwheel cover is rotated relative to the handwheel seat
When, the first wind spring production is at the retracting power opposite with rotation direction so that the handwheel cover resets；When the handwheel cover rotates
When to extreme position, the sliding pin on the handwheel seat is inserted into the fore shaft with handwheel seat described in locking and the handwheel cover.
The safety belt controlling mechanism of children's seat of the present invention further improvement lies in that, the driving structure be motor.
The safety belt controlling mechanism of children's seat of the present invention further improvement lies in that, further include rotationally being sheathed on institute
The safety belt shaft for winding safety belt in rotary shaft is stated, one end of the safety belt shaft is equipped with to be generated back after rotation
Turn the rotation resetting-mechanism of power, the rotation resetting-mechanism and the rotation axis connection, by rotating the rotary shaft so that
The rotation resetting-mechanism reaches capacity position to safety belt described in locking.
The safety belt controlling mechanism of children's seat of the present invention further improvement lies in that, the rotation resetting-mechanism includes solid
Wind spring lid set on safety belt shaft one end and the wind spring in the volume Huang lid, one end of the wind spring and the volume
Spring lid is fixedly connected, and the other end is fixedly connected with the rotary shaft.
The safety belt controlling mechanism of children's seat of the present invention further improvement lies in that, the chair framework include mutually interconnect
The backrest frames and cushion skeleton connect；
The rotary shaft is rotatably installed between the both side plate of the backrest frames or the rotary shaft is rotatable
Ground is installed between the both side plate of the cushion skeleton.
The present invention also provides a kind of children's seats, including：
Chair framework；And
It is installed on the chair framework, the youngster as claimed in any one of claims 1-9 wherein for adjusting belt length
The safety belt controlling mechanism of virgin seat.
Description of the drawings
Fig. 1 is that the safety belt controlling mechanism of children's seat of the present invention is installed on the structural schematic diagram of backrest frames.
Fig. 2 is the explosive decomposition structural schematic diagram of Fig. 1.
Fig. 3 is the front view of Fig. 1.
Fig. 4 be children's seat of the present invention safety belt controlling mechanism in recliner structural schematic diagram.
Fig. 5 is that the safety belt controlling mechanism of children's seat of the present invention is equipped with safety belt shaft and rotates the knot of resetting-mechanism
Structure schematic diagram.
Fig. 6 is the explosive decomposition structural schematic diagram of Fig. 5.
Fig. 7 is the close-up schematic view of safety belt shaft and rotation resetting-mechanism in Fig. 6.
Fig. 8 is the structural schematic diagram that child seat belt regulating mechanism of the present invention is installed on cushion skeleton.
Fig. 9 is the structural schematic diagram that driving structure in child seat belt regulating mechanism of the present invention is handwheel.
Figure 10 is the explosive decomposition structural schematic diagram of safety belt controlling mechanism in Fig. 9.
Figure 11 is the structural schematic diagram of handwheel and rotary shaft.
Figure 12 is the decomposition texture schematic diagram of handwheel.
Figure 13 is the structural schematic diagram of the handwheel cover in handwheel.
Figure 14 is the structural schematic diagram of the handwheel seat in handwheel.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments.
Refering to fig. 1, the present invention provides children's seat and its safety belt controlling mechanisms, for ensureing that safety belt locking can
It leans on, and safety belt adjusting is convenient.Present invention locking always in the adjustment process of safety belt using recliner, and be capable of providing
Huge locking power, has been effectively ensured the reliable and stable of belt restraints function.Additionally by driving structure driving rotary shaft rotation
Adjust the length of safety belt, it is easy to operate and intuitive.Children's seat of the present invention and its safety belt are adjusted below in conjunction with the accompanying drawings
Mechanism illustrates.
Refering to fig. 1, it is shown that the safety belt controlling mechanism of children's seat of the present invention is installed on the structural representation of backrest frames
Figure.Referring to Fig.2, showing the explosive decomposition structural schematic diagram of Fig. 1.With reference to Fig. 1 and Fig. 2, to children's seat of the present invention
Safety belt controlling mechanism illustrates.
As depicted in figs. 1 and 2, the safety belt controlling mechanism 20 of children's seat of the invention includes rotary shaft 21, recliner
22 and driving structure 23, rotary shaft 21 be installed in rotation on chair framework, being fastened in rotary shaft 21 has safety belt 13,
The folding and unfolding of safety belt 13 is realized by the rotation of rotary shaft 21；Recliner 22 at least one, be arranged the two of rotary shaft 21
21 corresponding end of rotary shaft is installed in rotation on chair framework by least one end in end by recliner 22
On；Driving structure 23 is drivingly connected recliner 22, drives the rotation of recliner 22 to drive 21 turns of rotary shaft by driving structure 23
It is dynamic, to realize the length adjustment of safety belt 13.
Since recliner 22 itself has latch functions in adjustment process, so driving rotation using recliner 22 to connect
Shaft 21 is rotated, it can be achieved that having good latch functions always during the length adjustment of safety belt 13 so that peace
Full band can keep maximum constrained to child passenger, improve safe to use.
Chair framework includes the backrest frames 11 being connected with each other and cushion skeleton 12, and backrest frames 11 include being oppositely arranged
A pair of side plates 111, cushion skeleton 12 also include a pair of side plates being oppositely arranged, and rotary shaft 21 of the invention is rotatably installed on
Between the both side plate 111 of backrest frames 11 or rotary shaft 21 is rotatably installed between the both side plate of cushion skeleton 12.Such as
Shown in Fig. 1 and Fig. 2, when rotary shaft 21 is installed between the both side plate 111 of backrest frames 11, by recliner 22 by rotary shaft
21 corresponding ends are installed in rotation on 11 corresponding side plate 111 of backrest frames.It is supported at the top of backrest frames 11
It is fixed with strut 113, after safety belt 13 is wound in rotary shaft 21, one end bypasses strut 113 and the backrest from children's seat
Place is stretched out to form the safety belt for child restraint occupant being located at outside children's seat.Using the strut 113 of setting to safety
Band 13 plays guiding role, it is ensured that stability of the safety belt 13 in adjustment process.As shown in figure 8, when rotary shaft 21 is installed on
When between the both side plate of cushion skeleton 12,21 corresponding end of rotary shaft is installed in rotation on by cushion bone by recliner 22
On 12 corresponding side plate of frame.In the end that cushion skeleton 12 is connect with backrest frames 11, support is connected with reversing shaft 121, safety
After band 13 is wound in rotary shaft 21, one end bypasses the reversing shaft 121, further around the backrest from children's seat after strut 113 excessively
Place is stretched out to form the safety belt for child restraint occupant being located at outside children's seat.Reversing shaft 121 is set by safety belt 13
It is directed in backrest frames 11, which plays guiding role, ensure that stabilization of the safety belt in adjustment process
Property.Preferably, the reversing shaft 121 is arranged in parallel with strut 113, guiding role both is played to safety belt 13.
In one embodiment, recliner 22 is one, and the other end of rotary shaft 21 is installed by bearing or rotating wheel
On chair framework, when recliner 22 drives rotary shaft 21 to rotate, the other end of rotary shaft 21, which is followed by, to be rotated together.Work as rotation
When axis 21 is installed on backrest frames 11, the other end of the rotary shaft 21 is mounted on backrest frames 11 by bearing or rotating wheel
Another side plate 111 on；When rotary shaft 21 is installed in cushion skeleton 12, the other end of the rotary shaft 21 by bearing or
Person's rotating wheel is mounted on another side plate of cushion skeleton 12.In another embodiment, in conjunction with shown in Fig. 3, recliner 22
It it is two, the both ends of rotary shaft 21 are installed in rotation on by recliner 22 on chair framework, and two recliners 22 can lead to
Structure of overdriving 23 is synchronously carried out rotation, and two recliners 22 have stronger locking effect.When rotary shaft 21 is installed on
When on backrest frames 11, the both ends of the rotary shaft 21 are installed in rotation on two sides of backrest frames 11 by recliner 22
On plate 111；When rotary shaft 21 is installed in cushion skeleton 12, the both ends of the rotary shaft 21 by recliner 22 rotationally
On two side plates of cushion skeleton 12.
The present invention realizes the adjusting of belt length using the rotation of rotary shaft, and rotary shaft is controlled by recliner
Rotation, it is convenient on the one hand to enable to adjust, and on the other hand also has firm locking effect.
As the better embodiment of the present invention, as shown in Figure 2 and Figure 4, recliner 22 includes being fixedly mounted on seat
Fixed part 221 on skeleton and the rotation section 222 being rotatably arranged on fixed part, rotation section 222 are corresponding with rotary shaft 21
End is fixedly connected, which connect with driving structure 23.Rotation section 222 is driven to rotate by driving structure 23, in turn
It drives rotary shaft 21 to be rotated, realizes the retractable operation of safety belt 13.Preferably, right on the side plate 111 of backrest frames 11
Answer recliner 22 install position be equipped with mounting hole, by the fixed part 221 of recliner 22 from the mounting hole pass through and and side plate
111 are fixedly connected.In connection, may be selected fixed part 221 being weldingly fixed on side plate 111.The fixed part 221 of recliner 22
It when rotary shaft 21 is installed on backrest frames 11, is fixedly connected with the side plate 111 of backrest frames 11, is installed in rotary shaft 21
When in cushion skeleton 12, it is fixedly connected with the side plate for renting shop skeleton 12.
Another better embodiment as the present invention offers polygon on rotation section 222 as shown in Figure 2 and Figure 4
Hole 223；Driving structure 23 is connected with transmission shaft 24 compatible with polygonal hole 223, which wears polygonal hole
223, drive transmission shaft 24 to rotate by driving structure 23, and then drive rotation section 222 to rotate by polygonal hole 223.Transmission
The cross sectional shape of axis 24 is adapted with the shape of polygonal hole 223.The polygonal hole 223 can be square hole, it is tri-angle-holed or
Person's hexagonal hole etc., and transmission shaft 24 can be correspondingly square shaft, Axis Tripod or six-edged axis etc., transmission shaft 24 and polygonal hole
The effect of transmission is realized by the cooperation of corresponding sides between 223.Transmission shaft is adapted to preferably, also being offered in driving structure 23
24 mounting hole installs fixed conveyor axis 24 using mounting hole.
Further, it is two that the both ends of rotary shaft 21, which are equipped with recliner 22 namely recliner 22,.Transmission shaft 24 is worn
If polygonal hole in two recliners 22 is simultaneously partially disposed in rotary shaft 21, with 22 turns of the recliner of synchronous drive two
It is dynamic.One end of the transmission shaft 24 passes through the polygonal hole 223 in a recliner 22, passes through rotary shaft 21, is then passed through another
Polygonal hole 223 in recliner 22, is fixedly connected then at driving structure 23.The other end of transmission shaft 24 is resisted against backrest frames
At 11 side plate 111.
Further, one end far from driving structure 23 on transmission shaft 24 is formed with consolidating positioned at corresponding recliner 22
Determine the positive stop lug boss 241 at side of the portion 221 far from rotation section 222.Recliner 22 is mounted on the side plate 111 of backrest frames 11
On, the fixed part 221 of recliner 22 is located at the outside of side plate 111, and rotation section 222 is located at the inside of side plate 111, positive stop lug boss
241 are located at the outside of fixed part 221, the through-hole passed through for transmission shaft 24 are offered on fixed part 221, the positive stop lug boss 241
Size be more than through-hole size, transmission shaft 24 is limited by positive stop lug boss 241 so that transmission shaft 24 can not from drive
The side extraction that dynamic structure 23 connects.Recliner 22 is mounted on the side plate of cushion skeleton 12, the fixed part of recliner 22 221
In the outside of the side plate of cushion skeleton 12, rotation section 222 is located at the inside of the side plate of cushion skeleton 12, and positive stop lug boss 241 is located at
The outside of fixed part 221 offers the through-hole passed through for transmission shaft 24 on fixed part 221, and the size of the positive stop lug boss 241 is big
In the size of through-hole, transmission shaft 24 is limited by positive stop lug boss 241 so that transmission shaft 24 can not from driving structure 23
It extracts out the side of connection.
As the another better embodiment of the present invention, one far from fixed part 221 on the rotation section of recliner 22 222
Side is installed with connecting plate 25, and fixed rotary shaft 21 is installed by connecting plate 25.Connecting plate 25 is equipped with for connecting rotary shaft 21
Connecting seat, the end of rotary shaft 21 is inserted in connecting seat and is fixedly connected with connecting seat.The connecting seat is to protrude out connection
The tubular structure on 25 surface of plate, inside are formed with space compatible with rotary shaft 21, to which the rotary shaft 21 can be plugged into cylinder
The inside of shape structure is simultaneously fixedly connected with tubular structure.Preferably, rotary shaft 21 and connecting plate 25 can be welded and fixed.Connecting plate
25 can also be weldingly fixed on the rotation section 222 of recliner 22.By the way of being fixedly connected so that safety belt 13 is being adjusted
After, the drag force of of safety belt 13 itself is acted on by rotary shaft 21 and connecting plate 25 in recliner 22, and recliner 22
Further transmit the force to chair framework, the latch functions of recliner 22 so that rotary shaft 21 will not be because of the pulling of safety belt 13
Power and rotate, reached locking effect.
As another better embodiment of the present invention, driving structure 23 of the invention is mounted on seat by installation bolt
On skeleton, which can be motor, or handwheel.By rotating forward for motor or handwheel, realize to
Outer releasing safety belt 13 so that be located at children's seat outside safety belt 13 length, length adjustment in place after, stop motor
Or the rotation of handwheel.By rotating backward for motor or handwheel, realizes and inwardly withdraw safety belt 13, safety belt 13 is twined
It is wound in rotary shaft 21 so that the length of the safety belt 13 outside children's seat shortens, and after adjusting in place, stops motor or hand
The rotation of wheel.Preferably, the recliner 22 that the present invention uses only passes through driving structure 23 for planetary gear type recliner
Driving and rotate, remaining situation is in lockup state.When rotary shaft 21 is mounted on backrest frames 11, the driving structure
23 are mounted on the side plate 111 of backrest frames 11；When rotary shaft 21 is mounted in cushion skeleton 12, the driving structure 23 peace
On the side plate of cushion skeleton 12.
As the better embodiment another again of the present invention, as shown in figure 5, the safety belt controlling mechanism 20 of the present invention also wraps
The safety belt shaft 26 for winding safety belt being rotationally sheathed in rotary shaft 21 is included, is wound using safety belt shaft 26
One end of safety belt is fixed in safety belt shaft 26 by safety belt, and then safety belt is wrapped in safety belt shaft 26, knot
It closes shown in Fig. 1, then the other end of safety belt is pierced by from backrest frames 11 in turn from strut 113.In safety belt shaft
26 one end is equipped with the rotation resetting-mechanism 26 that turning power is generated after rotation, and safety belt is realized using rotation resetting-mechanism 26
It is automatically retracted in the case where not stressing.By being freely rotated for safety belt shaft 26, realizing safety belt can be by outside
It pulls and is stretched out directly from backrest frames 11, and adjust the length of safety belt so that the length adjustment of safety belt is more convenient.
After releasing is applied to the pulling force on external security band, the turning power of rotation resetting-mechanism 26 can retract the belt into so that safety
Band can be tightly child restraint occupant.Specifically, when adjusting belt length, operator pulls peace outside children's seat
Full band applies pulling force so that safety belt shaft 26 is rotated relative to rotary shaft 21, and then will be in safety belt shaft 26 to safety belt
The safety belt of winding is released, and the elongated adjusting of belt length is realized, and the rotation of safety belt shaft 26 can drive rotation to reset
Mechanism 26 rotates together, which will produce turning power opposite to the direction of rotation；Safety belt is fixed again
After releasing the pulling force that applies to safety belt, rotates resetting-mechanism 26 and reversely rotate that (reverse rotation is under the action of turning power
It is opposite to refer to the direction that the when of being released with safety belt rotates), drive safety belt shaft 26 also to reversely rotate safety belt releasing in turn
Surplus is withdrawn so that safety belt tightly child restraint occupant realizes the effect of the automatic tightening of safety belt.
Further, which connect with rotary shaft 21, by rotating rotary shaft 21 so that rotation is multiple
Position mechanism 27 reaches capacity position to locking safety belt.Rotating resetting-mechanism 27 has certain rotation adjustable range, at it
It rotates in adjustable range, by overcoming the turning power of rotation resetting-mechanism 27 that can freely extract safety belt out, such locking
Effect cannot meet constraint requirements, so after the surplus for releasing safety belt in rotation resetting-mechanism 27 automatically retracts, pass through drive
Dynamic structure 23 drives rotary shaft 21 to rotate, the reverse rotation direction phase of the rotation direction and rotation resetting-mechanism 27 of the rotary shaft 21
Together, namely using the rotation of rotary shaft 21 the rotation adjustable range for rotating resetting-mechanism 27 is adjusted to extreme position, that is, rotated
Resetting-mechanism 27 can not carry out rotation adjusting again, to just fix safety belt shaft 26, realize the locking of safety belt.
In a better embodiment, as shown in Figure 6 and Figure 7, rotation resetting-mechanism 27 includes being installed in safety belt shaft
The wind spring lid 271 of 26 one end and the wind spring 272 in wind spring lid 271, one end of wind spring 272 are fixedly connected with wind spring lid 271,
The other end is fixedly connected with rotary shaft 21.It is installed with end plate 261 at the both ends of safety belt shaft 26, it can be to twining by end plate 261
The safety belt being wound in safety belt shaft 26 plays the role of limit；Wind spring lid 271 is fixedly connected on an end plate 261, should
Wind spring lid 271 can be rotated together with safety belt shaft 26.272 setting in spiral shape of wind spring has internally positioned inner end
2722 and positioned at external outer end 2721, it is provided with fixed column 2711 in wind spring lid 271, the outer end 2721 of wind spring 272 is consolidated
Surely it is connected in fixed column 2711, to which in extraction safety belt outward, the rotation of safety belt shaft 26 drives wind spring lid 271 1
Rotation is played, and the outer end of wind spring 272 can be in the interior rotation of wind spring lid 271, and then enable the rest part of wind spring 272 tighten and generate and roll up
The opposite turning power of 271 rotation direction of spring lid.To which when pulling force releases, which can drive wind spring lid 271 to rotate backward,
It drives safety belt shaft 26 also to rotate backward, recycles safety belt to realize.Freely stretching for safety belt is realized at this time
It adjusts, and safety belt can automatically retract.The inner end 2722 of wind spring 272 is fixed in rotary shaft 21, and wind spring 272 is wound in rotation
In shaft 21, after safety belt regulates, rotary shaft 21 is driven to rotate using driving structure 23, the rotation direction and wind spring lid
271 counter-rotational directions are identical so that the inner end portion of wind spring 272 is tightly wound in rotary shaft 21, and wind spring 272 is tightened
To extreme position, i.e., wind spring lid 271 and safety belt shaft 26 are fixed by wind spring 272, thus by safety belt locking.
The safety belt shaft 26 and rotation resetting-mechanism 27 of the present invention can be arranged one, can also be arranged two.Setting
When one safety belt shaft 26 and rotation resetting-mechanism 27, safety belt is wrapped in safety belt shaft 26, then in exit
Place carries out bifurcated and forms two exposed divisions being located at outside children's seat.Two safety belt shafts 26 of setting and rotation resetting-mechanism
When 27, a safety belt is wound in each safety belt shaft 26.
Further, as shown in figs. 5 and 9, driving structure 23 can be motor, or handwheel.Above-mentioned
After safety belt shaft 26 completes the adjusting of safety belt, using motor or handwheel driving transmission shaft 24 and then rotary shaft 21 is driven to revolve
Then realize additional tightening, by safety belt locking.
In conjunction with shown in Figure 10 and Figure 11, the side of handwheel is equipped with square column 2311, which has square hole 2312,
The square hole 2312 is adapted with transmission shaft 24, and transmission shaft 24 is inserted in square hole 2312, to be passed through by rotation hand wheel
Square hole 2312 drives transmission shaft 24 to be rotated.To improve the connectivity robustness of transmission shaft 24 and square column 2311, square column 2311
Perforation 2313 is offered on side wall, which is connected with square hole 2312, and pawl 242 is provided on transmission shaft 24, should
The setting corresponding with perforation 2313 of pawl 242, when transmission shaft 24 is inserted in square hole 2312, pawl 242 snaps onto corresponding
In perforation 2313, extracted out of square column 2311 to limit transmission shaft 24.
As shown in figure 12, handwheel includes handwheel seat 231, handwheel cover 232, sliding pin 233, spring 234 and the first wind spring
235, handwheel cover 232 is mutually clamped with handwheel seat 231 and connect, in the fixed connection square column 2311 in the outside of handwheel seat 231, with transmission
Axis 24 connects, and handwheel cover 232 is buckled on handwheel seat 231, and rotation handwheel can be realized in rotation hand wheel lid 232.
In conjunction with shown in Figure 13, it is installed with latch 2321 in handwheel cover 232, latch 2321 preferably is provided with multiple, and is located at
On same circumference, the inside at 2321 top of latch is formed with slanting double wedge.In conjunction with shown in Figure 14, set is equipped in handwheel seat 231
Cylinder 2314 offers card slot 2315 compatible with latch 2321 on the peripheral wall of the sleeve 2314, then handwheel cover 232 be located in
When on handwheel seat 231, the latch 2321 in handwheel cover 232 is arranged in the card slot 2315 on handwheel seat 231 so that handwheel cover
232 and handwheel seat be connected together.
Further, newel 2322 is additionally provided in handwheel cover 232, the newel 2322 be equipped with notch, first
The interior end side of wind spring 235 is fastened in the notch of newel 2322, and the rest part of the first wind spring 235 is around newel 2322
Winding setting；The outer end side of corresponding first wind spring 235 offers opening 2316 on the sleeve 2314 of handwheel seat 231, the first volume
The outer end side of spring 235 is fastened in the opening 2316.The length of the card slot 2315 opened up on sleeve 2314 is more than the length of latch 2321
Degree so that handwheel cover 232 can rotate in the length range of card slot 2315 relative to handwheel seat 231.The retracting of first wind spring 235
Power is the counter clockwise direction under state shown in Figure 14, when handwheel shown in Figure 14 rotationally clockwise when, rotatory force is more than
When the retracting power of the first wind spring 235, handwheel cover 232 can turn to an end of card slot 2315 relative to handwheel seat 231, at this time
First wind spring 235 produces anticlockwise retracting power, and when rotatory force contacts, the retracting power of first wind spring 235 drives
The rotation of handwheel cover 232 restores to another end of card slot 2315, and two ends of the card slot 2315 form two limit
Position.Sliding pin 233 and spring 234 are provided in handwheel seat 231, spring 234 is fixedly arranged in handwheel seat 231, the axis pin of sliding pin 233
It is inserted into spring 234, block and the top of spring 234 at the top of axis pin lean, and spring 234 applies the block of sliding pin 233
To the active force in 232 direction of handwheel cover.Corresponded in handwheel cover 232 sliding pin 233 be equipped with lock 2323, when handwheel cover 232 relative to
When handwheel seat 231 rotates, the first wind spring 235 generates retracting power, and when turning to extreme position, spring 234 is applied to sliding pin 233
Elastic force makes sliding pin 233 extend into lock 2323, to locking handwheel cover 232 and handwheel seat 231 so that the two can not phase
To rotation.Locking is released, only need to be by sliding pin 233 to pressing inside handwheel, the retracting power of the first wind spring 235 can enable handwheel cover
232 rotate to another extreme position.
The handwheel of the present invention provides the mode adjusted manually for safety belt adjusting, is resetted in safety belt shaft 26 and rotation
After mechanism 27 is adjusted, the locking of safety belt is realized by rotating handwheel.In the situation of figure 9, it rotates clockwise
Handwheel can normally store safety belt, and when the rotary force of handwheel cover is less than the retracting power of the first wind spring, handwheel seat is total with handwheel cover
With rotation, after safety belt is tightened, the rotary force of rotation hand wheel lid increases to be more than retracting power so that handwheel cover is relative to handwheel
Seat rotation, rotates to (latch reaches the extreme position of card slot) when extreme position, sliding pin receives the thrust of spring and is inserted into
Locking handwheel cover and handwheel seat in fore shaft furl power to ensure safety belt tightening in place so having reached by control.It is needing
When unlocking, only handwheel cover need to can be made to be automatically reset by the retracting power of the first wind spring by lower slide pin.
As the better embodiment another again of the present invention, safety belt controlling mechanism 20 further includes being connect with driving structure
Alarm.Alarm is used to carry out alarm to lockup state.In one embodiment, 23 row of driving structure is provided with Hall
Sensor detects whether safety belt is tightened in place by Hall sensor, and the testing principle of Hall sensor is by electric current electricity
It presses to judge, resistance increases to which electric current also will increase when safety belt is tightened.In another embodiment, it is arranged at safety belt
Force snesor detects safety belt tightening force, judges whether safety belt is tightened in place using the safety belt tightening force of detection.Pacifying
When full band tightens not in place, Hall sensor or force snesor control alarm operation carry out alarm.Alarm can lead to
It crosses the forms such as sound, light, electricity or vibration and carries out alarm, the mode that can also send information carries out alarm.
Children's seat provided by the invention is illustrated below.
The present invention also provides a kind of children's seats, as shown in Figure 1, the children's seat includes that chair framework and installation are present
For the safety belt controlling mechanism 20 of adjusting belt length on chair skeleton.
Chair framework includes the backrest frames 11 being connected with each other and cushion skeleton 12, connects and sits in the bottom of backrest frames 11
Skeleton 12 is padded, which includes two side plates 111 being oppositely arranged, and the top of two side plates 111 is connected with top plate
112, strut 113 is additionally provided between two side plates 111, which is set to the lower section of top plate 112.By strut 113 come
The exit of winding safety belt 13 plays the role of guiding to safety belt.Cushion skeleton 12 also includes the offside being oppositely arranged
Plate.
The safety belt controlling mechanism 20 is installed in rotation between two side plates 111 of backrest frames 11, or can be turned
It is mounted between two side plates of cushion skeleton 12 dynamicly, and the rotation process of safety belt controlling mechanism 20 passes through the tune of setting
Angle device 22 realizes stable latch functions.Safety belt controlling mechanism 20 is used to adjust the length of safety belt 13, and can ensure
The stabilization of the locking of safety belt 13, it is convenient to adjust.The concrete structure of safety belt controlling mechanism 20 in children's seat of the present invention with
The structure of the safety belt controlling mechanism of above-mentioned children's seat is identical, and for details, reference can be made to the statements of above structure, and details are not described herein.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (10)
1. a kind of safety belt controlling mechanism of children's seat, which is characterized in that including：
It is rotatably installed on the rotary shaft of chair framework, being fastened in the rotary shaft has safety belt；
At least recliner of an end portion in the both ends of the rotary shaft, by the recliner by the rotary shaft pair
The end answered is rotatably installed on the chair framework；And
It is drivingly connected the driving structure of the recliner, drives the recliner rotation described to drive by the driving structure
Rotary shaft rotates, to realize the length adjustment of the safety belt.
2. the safety belt controlling mechanism of children's seat as described in claim 1, which is characterized in that the recliner includes fixing
The fixed part being installed on the chair framework and the rotation section being rotatably arranged on the fixed part, the rotation section and institute
It states the corresponding end of rotary shaft to be fixedly connected, the rotation section is also connect with the driving structure.
3. the safety belt controlling mechanism of children's seat as claimed in claim 2, which is characterized in that offered on the rotation section
Polygonal hole；
The driving structure is connected with transmission shaft compatible with the polygonal hole, and the transmission shaft wears the polygon
Hole drives the transmission shaft to rotate, and then drives the rotation section to rotate by the polygonal hole by the driving structure.
4. the safety belt controlling mechanism of children's seat as claimed in claim 3, which is characterized in that the both ends of the rotary shaft
It is equipped with recliner；
The transmission shaft wears the polygonal hole in two recliners and is partially disposed in the rotary shaft, with synchronous drive two
Recliner is rotated.
5. the safety belt controlling mechanism of children's seat as described in claim 1, which is characterized in that the driving structure is hand
Wheel, including be drivingly connected the handwheel seat of the recliner, be sticked in the handwheel cover of the handwheel seat and be connected to the handwheel
First wind spring of seat and the handwheel cover；The handwheel seat is equipped with telescopically adjustable sliding pin, the handwheel cover be equipped with
The compatible fore shaft of the sliding pin；
The handwheel cover can be rotated relative to the handwheel seat, when the handwheel cover is rotated relative to the handwheel seat, institute
The production of the first wind spring is stated into the retracting power opposite with rotation direction so that the handwheel cover resets；When the handwheel cover turns to the limit
When position, the sliding pin on the handwheel seat is inserted into the fore shaft with handwheel seat described in locking and the handwheel cover.
6. the safety belt controlling mechanism of children's seat as described in claim 1, which is characterized in that the driving structure is electricity
Machine.
7. the safety belt controlling mechanism of children's seat as described in claim 1, which is characterized in that further include rotationally being arranged
In the safety belt shaft for winding safety belt in the rotary shaft, one end of the safety belt shaft is equipped with produces after rotation
The rotation resetting-mechanism of raw turning power, the rotation resetting-mechanism and the rotation axis connection, by the rotation rotary shaft with
So that the rotation resetting-mechanism reaches capacity, position is to safety belt described in locking.
8. the safety belt controlling mechanism of children's seat as claimed in claim 7, which is characterized in that the rotation resetting-mechanism packet
Include the wind spring lid for being fixedly arranged on safety belt shaft one end and the wind spring in the volume Huang lid, one end of the wind spring and institute
It states wind spring lid to be fixedly connected, the other end is fixedly connected with the rotary shaft.
9. the safety belt controlling mechanism of children's seat as described in claim 1, which is characterized in that the chair framework includes phase
The backrest frames and cushion skeleton to connect；
The rotary shaft is rotatably installed between the both side plate of the backrest frames or the rotary shaft is rotationally pacified
Between both side plate loaded on the cushion skeleton.
10. a kind of children's seat, which is characterized in that including：
Chair framework；And
It is installed on the chair framework, the child seat as claimed in any one of claims 1-9 wherein for adjusting belt length
The safety belt controlling mechanism of chair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810199746.8A CN108297746B (en) | 2018-03-09 | 2018-03-09 | Child seat and safety belt adjusting mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810199746.8A CN108297746B (en) | 2018-03-09 | 2018-03-09 | Child seat and safety belt adjusting mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108297746A true CN108297746A (en) | 2018-07-20 |
| CN108297746B CN108297746B (en) | 2024-04-05 |
Family
ID=62849523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810199746.8A Active CN108297746B (en) | 2018-03-09 | 2018-03-09 | Child seat and safety belt adjusting mechanism thereof |
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| Country | Link |
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| CN (1) | CN108297746B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723039A (en) * | 2019-09-30 | 2020-01-24 | 江苏大学 | Force limiting type child safety seat |
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| CN1310111A (en) * | 2000-02-21 | 2001-08-29 | 株式会社东海理化电机制作所 | Belt coiler |
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| CN110723039A (en) * | 2019-09-30 | 2020-01-24 | 江苏大学 | Force limiting type child safety seat |
| CN110723039B (en) * | 2019-09-30 | 2021-05-25 | 江苏大学 | Force limiting type child safety seat |
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| Publication number | Publication date |
|---|---|
| CN108297746B (en) | 2024-04-05 |
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