CN110171331B - Child safety seat - Google Patents
Child safety seat Download PDFInfo
- Publication number
- CN110171331B CN110171331B CN201910412483.9A CN201910412483A CN110171331B CN 110171331 B CN110171331 B CN 110171331B CN 201910412483 A CN201910412483 A CN 201910412483A CN 110171331 B CN110171331 B CN 110171331B
- Authority
- CN
- China
- Prior art keywords
- seat
- belt
- safety belt
- piece
- control switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000009434 installation Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000005096 rolling process Methods 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
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2803—Adaptations for seat belts
-
- 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
- B60N2/2803—Adaptations for seat belts
- B60N2002/2815—Adaptations for seat belts with additional belt accessories, e.g. a belt tension detector
Landscapes
- 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)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a child safety seat, which comprises a seat body, a safety belt, a locker used for locking the safety belt on the seat body, a safety belt extending mechanism capable of driving the safety belt to extend outwards during operation, a power supply for providing working power for the safety belt extending mechanism, and a control switch for controlling the on-off of the power supply, wherein the control switch is arranged in linkage with the locker, when the locker is converted from a locking state to an unlocking state, the safety belt can slide along the length direction of the locker, and the control switch is linked to be converted from an off state to a closing state, so that the power supply is connected with the safety belt extending mechanism. When the safety belt is regulated, a user only needs to operate the locking device to unlock the safety belt, so that the safety belt extending mechanism can automatically and outwards spit the belt, and the whole operation process only needs to be operated by one hand, so that the safety belt regulating device is very convenient to use.
Description
Technical Field
The present invention relates to a child safety seat.
Background
In existing child safety seats, the harness assembly is typically rolled up by a rolling up device and locked by a locking device. When the safety belt assembly is used for restraining a child on the child safety seat, the safety belt can be pulled out by unlocking the locking device, so that an operator needs to press the locking device by one hand to unlock the locking device, and the other hand pulls out the safety belt until the safety belt is adjusted to a proper length, and then the locking device is loosened to enable the safety belt to be locked again, so that the safety belt is inconvenient to use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the child safety seat with more convenient seat belt adjusting operation.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a children's safety seat, includes the seat body, sets up safety belt on the seat body, and be used for with the safety belt locks the locker on the seat body, children's safety seat still includes can drive at the during operation the safety belt stretches out the mechanism, provides the power that the mechanism was stretched out to the safety belt stretches out the mechanism working power, and control the switch of power break-make, control switch with the locker sets up in linkage, when the locker is changed from locking state to the unblock state, the safety belt can follow self length direction with the locker slides, just control switch is linked and is changed to closed state by the off-state for switch-on between power and the mechanism is stretched out to the safety belt.
Preferably, the lock has at least a lock seat and an unlocking member provided on the lock seat, and when the unlocking member is pressed, the lock is switched from the locked state to the unlocked state, and the control switch is capable of being switched from the open state to the closed state in response to movement of the unlocking member.
Further, the control switch comprises a switch base and a contact switch piece rotatably arranged on the switch base, wherein the contact switch piece is provided with a contact capable of enabling the control switch to be switched to a closed state when being contacted with the switch base, and the contact moves towards the switch base when the unlocking piece is pressed.
Furthermore, the unlocking piece is provided with a switching end part and a pressing end part which are respectively arranged at two different ends in the length direction of the unlocking piece, the switching end part is rotationally connected to the locking seat, and the pressing end part is positioned above the contact switch piece.
Further, the unlocking piece is a pressing piece, one end portion of the pressing piece is rotationally connected to the locking seat, and the locking device further comprises an elastic piece used for driving the pressing piece to rotationally reset.
Preferably, the belt extending mechanism comprises a driving wheel and a driven wheel which are respectively arranged on the seat body in a rotatable manner around the axis of the belt extending mechanism, and a motor for driving the driving wheel to rotate, the belt is clamped between the driving wheel and the driven wheel, and the power supply is electrically connected with the motor.
Further, the interval between the driven wheel and the driving wheel is elastically and adjustably arranged.
Still further, the safety belt extending mechanism further comprises an installation seat fixedly installed on the seat body, the driving wheel, the driven wheel and the motor are all installed on the installation seat, wherein the wheel shaft of the driven wheel can be relatively and slidably arranged on the installation seat, and an elastic piece for driving the driven wheel to slide towards the driving wheel is further arranged on the installation seat.
Preferably, the safety belt comprises a left shoulder belt, a right shoulder belt and a crotch belt, the locking device is arranged on the crotch belt, and a group of safety belt extending mechanisms are respectively arranged on the left shoulder belt and the right shoulder belt.
Further, the seat body comprises a seat body and a head support arranged at the top of the seat body, a left shoulder strap perforation and a right shoulder strap perforation are formed in the head support, the left shoulder strap can be relatively slidably arranged in the left shoulder strap perforation in a penetrating manner, the right shoulder strap can be relatively slidably arranged in the right shoulder strap perforation in a penetrating manner, and the safety belt extending mechanism is arranged on the rear side part of the head support.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the child safety seat of the invention is provided with the seat belt extending mechanism, so that the seat belt extending mechanism can drive the seat belt to automatically extend outwards when in operation, and meanwhile, the control switch and the locking device are arranged in a linkage manner, so that the control switch is switched into a closed state when the locking device is operated to unlock the locking device, and the seat belt extending mechanism is connected with a power supply to operate. Thus, when the seat belt is adjusted, the user can cause the seat belt extending mechanism to automatically discharge the belt outward by simply operating the lock to unlock the lock, and after the length of the seat belt is adjusted to a proper length, the lock is released and the lock is locked again, so that the seat belt is locked in the adjusted length. Only one hand is needed to operate in the whole operation process, so that the operation is very convenient.
Drawings
FIG. 1 and FIG. 2 are perspective views of a child safety seat of the present invention;
FIG. 3 is an exploded view of the child safety seat of the present invention;
FIG. 4 is a schematic diagram of the circuit connection between the power supply, motor and control switch in the present invention;
FIG. 5 is a schematic view of the installation of the lock and the control switch on the seat body, wherein the control switch is in an off state;
FIG. 6 is a schematic view of the installation of the lock and the control switch on the seat body, wherein the control switch is in a closed state;
Wherein: 1. a base; 11. a crotch strap perforation; 2. a head rest; 21. a left shoulder strap hole; 22. a right shoulder strap hole; 3. a safety belt; 31. a left shoulder strap; 32. a right shoulder strap; 33. a crotch strap;
4. a lock; 41. a locking seat; 42. unlocking piece (tabletting); 42a, a transfer end; 42b, pressing the end; 43. a rotating shaft; 44. an elastic member (torsion spring);
5. A seat belt extending mechanism; 51. a driving wheel; 52. driven wheel; 521. wheel axle of the driven wheel; 53. a motor; 54. a mounting base; 541. a guide hole; 55. an elastic member (spring);
6. A control switch; 61. a switch base; 62. a contact switch member; 7. and a power supply.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Referring to fig. 1 to 6, a child safety seat includes a seat body, a seat belt 3 provided on the seat body, and a locker 4 for locking the seat belt 3 to the seat body. The child safety seat further comprises a seat belt extending mechanism 5 which can drive the seat belt 3 to extend outwards in operation, a power supply 7 which provides working power for the seat belt extending mechanism 5, and a control switch 6 which controls the on-off of the power supply 7, wherein the control switch 6 is arranged in linkage with the locking device 4.
The locker 4 has a locking state and an unlocking state, when the locker 4 is converted from the locking state to the unlocking state, the seat belt 3 can slide along the length direction of the locker 4, and the control switch 6 is linked to be converted from the opening state to the closing state, so that the power supply 7 is connected with the seat belt extending mechanism 5, and the seat belt extending mechanism 5 works to drive the seat belt 3 to automatically extend outwards. Thus, in operation, the user simply operates the lock 4 to unlock it, enabling the seat belt 3 to be extended outwardly automatically without having to manually pull the seat belt 3.
When the lock 4 is changed from the unlocked state to the locked state, the control switch 6 is returned to the disconnected state, so that the power supply 7 is disconnected from the seat belt extending mechanism 5, the belt 3 stops being fed out, and the belt 3 is locked again relative to the seat body under the action of the lock 4.
As shown in fig. 3,5 and 6, the lock 4 includes at least a lock seat 41 and an unlocking member 42 provided on the lock seat 41, and when the unlocking member 42 is pressed, the lock 4 is switched from the locked state to the unlocked state, and the control switch 6 is switched from the open state to the closed state in response to movement of the unlocking member 42.
Specifically, the control switch 6 includes a switch base 61 and a contact switch piece 62 rotatably provided on the switch base 61, the contact switch piece 62 having thereon a contact (not shown in the drawing) capable of causing the control switch 6 to switch to a closed state when in contact with the switch base 61, and when the unlocking member 42 is pressed, the contact switch piece 62 is correspondingly pressed to move relative to the switch base 61 so that the contact moves toward the switch base 61 to contact the switch base 61, causing the control switch 6 to switch to the closed state, thereby causing the webbing-extending mechanism 5 to be turned on with the power source 7.
In the present embodiment, in the lock 4, the unlocking member 42 is specifically a pressing piece, and the pressing piece 42 has a switching end portion 42a and a pressing end portion 42b respectively provided at two different ends in the longitudinal direction thereof, the switching end portion 42a is rotatably connected to the locking seat 41 through the rotation shaft 43, and the pressing end portion 42b is located above the contact switch member 62. The lock 4 further includes an elastic member 44 for driving the unlocking member 42 to rotate and reset, where the elastic member 44 is a torsion spring sleeved on the rotating shaft 43, so that the unlocking member 42 rotates and resets after being released from being pressed, and the control switch 6 correspondingly resets and is converted into an off state.
As shown in fig. 1 to 6, the webbing extending mechanism 5 includes a drive pulley 51 and a driven pulley 52, which are respectively rotatably provided on the seat body about their own axis, and a motor 53 that drives the rotation of the drive pulley 51, and is electrically connected between the power source 7 and the motor 53. The seat belt 3 is sandwiched between the driving pulley 51 and the driven pulley 52, so that the driving pulley 51 rotates when the motor 53 is operated, and then rotates in cooperation with the driven pulley 52 to send out the seat belt 3 by friction.
In this embodiment, the distance between the driven pulley 52 and the driving pulley 51 is elastically adjustable, so that the belt 3 is always clamped between the driving pulley 51 and the driven pulley 52. Here, the seat belt extending mechanism 5 further includes a mounting seat 54 fixedly mounted on the seat body, and the driving wheel 51, the driven wheel 52 and the motor 53 are all mounted on the mounting seat 54, wherein, an axle 521 of the driven wheel 52 is relatively slidably disposed on the mounting seat 54, specifically, a linearly extending guiding hole 541 is formed on the mounting seat 54, the axle 521 of the driven wheel 52 is relatively slidably disposed in the guiding hole 541, and an elastic member 55 for driving the driven wheel 52 to slide toward the driving wheel 51 is further disposed on the mounting seat 54, so that the driven wheel 52 and the driving wheel 51 keep matching to clamp the seat belt 3.
Referring to the drawings, in the present embodiment, the seat body includes a seat body 1 and a head rest 2 provided on top of the seat body 1, and the webbing 3 includes a left shoulder strap 31, a right shoulder strap 32, and a crotch strap 33, and buckle members are provided on the ends of the left shoulder strap 31, the right shoulder strap 32, and the crotch strap 33 to enable a five-point webbing system to be formed on the seat body.
The head rest 2 is provided with a left shoulder strap hole 21 and a right shoulder strap hole 22, a left shoulder strap 31 is arranged in the left shoulder strap hole 21 in a penetrating manner in a relatively sliding manner, and a right shoulder strap 32 is arranged in the right shoulder strap hole 22 in a penetrating manner in a relatively sliding manner; the seat body 1 is provided at the bottom front with a crotch strap through hole 11, a crotch strap 33 is relatively slidably inserted through the crotch strap through hole 11, and a locker 4 is provided on the crotch strap 33 to lock the crotch strap 33 with respect to the seat body. The left shoulder belt 31 and the right shoulder belt 32 are respectively provided with a group of safety belt extending mechanisms 5, and the motors 53 of the two groups of safety belt extending mechanisms 5 are respectively connected with the power supply 7 through power wires. Here, the mounting seats 54 of the two sets of webbing extending mechanisms 5 are integrally provided to be fixedly provided on the rear side portion of the head rest 2, so that the left shoulder strap hole 21 and the right shoulder strap hole 22 are fed forward in operation.
In summary, the child safety seat of the present invention, in which the webbing 3 is automatically driven to extend outward when operated by providing the webbing extending mechanism 5, and the control switch 6 is provided in conjunction with the lock 4, so that the control switch 6 is switched to the closed state when the lock 4 is unlocked by operating the lock 4, thereby making the webbing extending mechanism 5 to operate by being connected to the power source 7. Thus, when adjusting the webbing 3, the user can cause the webbing extension mechanism 5 to automatically discharge the webbing outward by merely operating the lock 4 to unlock the webbing 3 until the webbing 3 is adjusted to a proper length, and then release the lock 4, and the lock 4 is locked again, so that the webbing 3 is locked in the adjusted length. Only one hand is needed to operate in the whole operation process, so that the operation is very convenient.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (9)
1. A child safety seat comprising a seat body, a seat belt disposed on the seat body, and a lock for locking the seat belt on the seat body, characterized in that: the child safety seat further comprises a safety belt extending mechanism, a power supply and a control switch, wherein the safety belt extending mechanism can drive the safety belt to extend out of the seat body when in operation, the power supply can provide working power for the safety belt extending mechanism, the control switch controls on-off of the power supply, the control switch is arranged in linkage with the locker, the safety belt extending mechanism comprises a driving wheel and a driven wheel which are respectively arranged on the seat body in a rotatable mode around self axis lines, and a motor for driving the driving wheel to rotate, the safety belt is clamped between the driving wheel and the driven wheel, the power supply is electrically connected with the motor, when the locker is converted into an unlocking state from a locking state, the safety belt can slide along the length direction of the locker, and the control switch is linked and converted into a closing state from an opening state, so that the power supply is connected with the safety belt extending mechanism.
2. The child safety seat according to claim 1, wherein: the lock is provided with at least a locking seat and an unlocking piece arranged on the locking seat, when the unlocking piece is pressed, the lock is switched from the locking state to the unlocking state, and the control switch can be switched from the opening state to the closing state along with the movement of the unlocking piece.
3. The child safety seat according to claim 2, wherein: the control switch comprises a switch base and a contact switch piece rotatably arranged on the switch base, wherein the contact switch piece is provided with a contact capable of enabling the control switch to be switched into a closed state when being contacted with the switch base, and the contact moves towards the switch base when the unlocking piece is pressed.
4. A child safety seat according to claim 3, wherein: the unlocking piece is provided with a switching end part and a pressing end part which are respectively arranged at two different ends in the length direction of the unlocking piece, the switching end part is rotationally connected to the locking seat, and the pressing end part is positioned above the contact switch piece.
5. The child safety seat according to claim 2, wherein: the unlocking piece is a pressing piece, one end portion of the pressing piece is rotationally connected to the locking seat, and the locking device further comprises an elastic piece used for driving the pressing piece to rotationally reset.
6. The child safety seat according to claim 1, wherein: the driven wheel is elastically and adjustably arranged relative to the interval between the driving wheels.
7. The child safety seat according to claim 6, wherein: the seat belt extending mechanism further comprises an installation seat fixedly installed on the seat body, the driving wheel, the driven wheel and the motor are installed on the installation seat, the wheel shaft of the driven wheel can be arranged on the installation seat in a relatively sliding mode, and an elastic piece used for driving the driven wheel to slide towards the driving wheel is further arranged on the installation seat.
8. The child safety seat according to any one of claims 1-7, wherein: the safety belt comprises a left shoulder belt, a right shoulder belt and a crotch belt, wherein the locking device is arranged on the crotch belt, and a group of safety belt extending mechanisms are respectively arranged on the left shoulder belt and the right shoulder belt.
9. The child safety seat according to claim 8, wherein: the seat body comprises a seat body and a head support arranged at the top of the seat body, a left shoulder strap perforation and a right shoulder strap perforation are formed in the head support, the left shoulder strap can be relatively slidably arranged in the left shoulder strap perforation in a penetrating manner, the right shoulder strap can be relatively slidably arranged in the right shoulder strap perforation in a penetrating manner, and the safety belt extending mechanism is arranged on the rear side part of the head support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412483.9A CN110171331B (en) | 2019-05-17 | 2019-05-17 | Child safety seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412483.9A CN110171331B (en) | 2019-05-17 | 2019-05-17 | Child safety seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110171331A CN110171331A (en) | 2019-08-27 |
| CN110171331B true CN110171331B (en) | 2024-08-27 |
Family
ID=67691460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910412483.9A Active CN110171331B (en) | 2019-05-17 | 2019-05-17 | Child safety seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110171331B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758194A (en) * | 2019-12-11 | 2020-02-07 | 苏州纪宝儿童用品有限公司 | Child seat belt retractor system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5529381A (en) * | 1992-11-25 | 1996-06-25 | Alliedsignal Inc. | Cable-actuated linear retractor for a child seat |
| KR20110007742A (en) * | 2009-07-17 | 2011-01-25 | 곽도훈 | Tension adjusting device for car safety belt |
| CN210416318U (en) * | 2019-05-17 | 2020-04-28 | 好孩子儿童用品有限公司 | Child safety seat |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100203486B1 (en) * | 1996-10-29 | 1999-06-15 | 양재신 | Apparatus for pulling seat belt in a car |
| US6257363B1 (en) * | 1997-12-16 | 2001-07-10 | Nsk Ltd. | Automotive passenger restraint and protection apparatus |
| JP2007001534A (en) * | 2005-06-27 | 2007-01-11 | Takata Corp | Seat belt retractor, seat belt device and vehicle with seat belt device |
| JP2013018340A (en) * | 2011-07-11 | 2013-01-31 | Takata Service Corp | Seat belt lock system |
| US10688960B2 (en) * | 2017-04-21 | 2020-06-23 | Setina Manufacturing Co., Inc. | Seat belt system for vehicle with electrically-actuated mode-changing retractor |
-
2019
- 2019-05-17 CN CN201910412483.9A patent/CN110171331B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5529381A (en) * | 1992-11-25 | 1996-06-25 | Alliedsignal Inc. | Cable-actuated linear retractor for a child seat |
| KR20110007742A (en) * | 2009-07-17 | 2011-01-25 | 곽도훈 | Tension adjusting device for car safety belt |
| CN210416318U (en) * | 2019-05-17 | 2020-04-28 | 好孩子儿童用品有限公司 | Child safety seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110171331A (en) | 2019-08-27 |
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