CN117774789B - Child safety seat locking warning method and child safety seat - Google Patents
Child safety seat locking warning method and child safety seat Download PDFInfo
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- CN117774789B CN117774789B CN202410217911.3A CN202410217911A CN117774789B CN 117774789 B CN117774789 B CN 117774789B CN 202410217911 A CN202410217911 A CN 202410217911A CN 117774789 B CN117774789 B CN 117774789B
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- 238000000034 method Methods 0.000 title abstract description 9
- 210000003205 muscle Anatomy 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 18
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 2
- 210000000056 organ Anatomy 0.000 description 6
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
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Abstract
The invention discloses a child safety seat locking warning method, which belongs to the technical field of safety seats, wherein an alarm circuit is arranged on the child safety seat, the alarm circuit comprises an alarm lamp and a buzzer, the alarm lamp and the buzzer are connected in series, two travel switches are also arranged in the alarm circuit, one travel switch is normally open, the other travel switch is normally closed, the two travel switches are respectively connected in the alarm circuit in series, a top drawstring component is arranged on the child safety seat, the top drawstring component is used for fixedly connecting the child safety seat with an automobile, the normally closed travel switch is arranged on the top drawstring component, and when a signal of a child in the child safety seat is received, the normally open travel switch is closed; the invention also discloses a safety seat using the warning method, which has the characteristics of high safety coefficient and simple operation.
Description
Technical Field
The invention relates to the technical field of child safety seats, in particular to a child safety seat locking warning method and a child safety seat.
Background
Child safety seats are installed in automobiles for improving child riding safety, and need to be fixed to motor vehicles when in use, and are provided with child safety protection systems, which are used for reducing the impact force on the child and limiting the body movement of the child under the condition that the automobile collides or suddenly decelerates, so as to effectively avoid injuries to the child.
When the child safety seat is used, children are limited in the child safety seat, the child safety seat is fixed in an automobile, and any part of the child safety seat is not protected in place, so that the safety performance of the child safety seat can be directly influenced.
Disclosure of Invention
Aiming at the technical problems, the invention adopts the following technical scheme: the utility model provides a child safety seat locking warning method, sets up alarm circuit on child safety seat, alarm circuit in including warning light and bee calling organ, warning light and bee calling organ series connection, alarm circuit in still be provided with two travel switches, one travel switch sets up to normally open, another travel switch sets up to normally close, two travel switches establish ties respectively in alarm circuit, child safety seat on be provided with top drawstring subassembly, top drawstring subassembly is used for anchoring child safety seat and car, normally closed travel switch sets up on top drawstring subassembly, when having the signal of children in the child safety seat, normally open travel switch closes, alarm circuit circular telegram, warning light and bee calling organ begin the warning, when top drawstring subassembly lock, the normally closed travel switch that is arranged in top drawstring subassembly opens, alarm circuit outage, the release warning.
The utility model provides a child safety seat, includes the back of the chair and movable base, the back of the chair on be provided with top stretching strap and wear to take the hole, top stretching strap subassembly includes the installation shell, the installation shell sets up the one side that is close to the user on the back of the chair, installation shell inside slidable mounting have the inserted sheet, inserted sheet and installation shell between be provided with reset spring, the back of the chair on fixed mounting have the metal pole, fixed mounting has the first end of first stretching strap on the metal pole, the second end of first stretching strap wear to take the hole from the top stretching strap after bypassing from the inserted sheet lower extreme and wear to take the hole and wear to go out, the second end of first stretching strap and the first end of second stretching strap pass through the buckle and be connected, the second end and the car fixed connection of second stretching strap, installation shell inside be provided with normally closed travel switch, inserted sheet and normally closed travel switch are at installation shell inside contact for disconnection normally closed travel switch.
Further, be provided with children's safety belt assembly on back of chair and the movable base, children's safety belt assembly is used for restricting children inside children's safety seat, children's safety belt assembly include two safety belts one and a safety belt two, first end fixed mounting of safety belt one on the back of the chair, second end fixed mounting of safety belt one is on the movable base, be provided with the buckle son on two safety belts one and detain, two first end fixed mounting of safety belt on the movable base, fixed mounting has buckle box on the second end of safety belt two, be provided with normally open travel switch in the buckle box, be provided with the picture peg on the buckle son and detain, when the picture peg inserts buckle box, drive normally open travel switch closes, alarm circuit circular telegram.
Further, the movable base upper surface be provided with pressure sensor, pressure sensor be used for detecting whether children have on the children's safety seat, pressure sensor is connected with normally open travel switch electricity, when pressure sensor detects pressure variation, normally open travel switch closes, alarm circuit circular telegram.
Further, the chair back and the movable base on be provided with children's safety belt assembly, children's safety belt assembly is used for restricting children inside children's safety seat, children's safety belt assembly include two first safety belts and a second safety belt, first end fixed mounting of safety belt on the chair back, second end fixed mounting of safety belt is on the movable base, be provided with the buckle son knot on two safety belts, second first end fixed mounting of safety belt on the movable base, fixed mounting has the buckle box on the second end of safety belt, buckle son knot is provided with the picture peg, the picture peg inserts buckle box and is used for restricting children inside children's safety seat, the one side that the buckle box is close to children be provided with optical sensor, optical sensor be used for detecting whether children's safety seat on have children, optical sensor is connected with normally open travel switch electricity, when optical sensor detects children, normally open travel switch closes, alarm circuit circular telegram.
Further, the back of the chair below is provided with the trip, is provided with the opening on the trip, the movable base be close to the one end of back of the chair and be provided with the support, be provided with the installation axle between every two supports, the part processing that every installation axle is close to the support has two relative planes, the distance between two planes equals with trip upper shed's width, the back of the chair passes through the trip and rotates installs on the movable base.
Further, a bump is arranged below the clamping hook, a first limit rib and a second limit rib are arranged on the movable base at the position below the mounting shaft, the second limit rib is higher than the first limit rib, and the first limit rib and the second limit rib are matched with the bump to limit the rotation angle of the chair back; the first spacing muscle include first spacing muscle medial surface and first spacing muscle up side, the second spacing muscle include second spacing muscle lateral surface and second spacing muscle medial surface, the second spacing muscle lateral surface set up to the inclined plane, the lug include first spacing face and second spacing face, the height of second spacing face be less than the height of first spacing face.
Further, when installing the back of the chair on movable base, at first place the back of the chair with movable base parallel, the installation axle is aimed at to the opening structure on the lug, presses downwards, establishes the lug cover on the installation axle, and at this moment, the lug is located one side that is close to the spacing muscle of second, and with the back of the chair upwards standing, the lug rotates round the installation axle, and the spacing face of second on the lug contacts the spacing muscle lateral surface of second at first, takes place deformation along with the lug, and the lug passes through the spacing muscle of second and enters into between spacing muscle of first and the spacing muscle of second.
Further, when the first limiting surface is contacted with the inner side surface of the second limiting rib, the first limiting surface is used for limiting the maximum opening angle between the chair back and the movable base, and when the second limiting surface is contacted with the inner side surface of the first limiting rib, the second limiting surface is used for limiting the minimum opening angle between the chair back and the movable base.
Further, when the chair back is folded relative to the movable base, the second limiting surface is contacted with the inner side surface of the first limiting rib at first, the protruding block passes over the first limiting rib to one side close to the first limiting rib along with deformation of the protruding block, handrails are respectively arranged on two sides of the movable base, and when the chair back is folded above the movable base, the handrails are supported on the inner side of the chair back.
Further, child safety seat still include unable adjustment base, unable adjustment base fixed mounting on car seat, unable adjustment base inside be provided with slide and limiting plate, the slide on include slide top and slide side, the limiting plate on include limiting plate lower baffle face and limiting plate side baffle face, the movable base bottom be provided with the supporting seat, the supporting seat include supporting seat vertical portion and supporting seat horizontal part, supporting seat horizontal part sets up the below at supporting seat vertical portion perpendicularly, supporting seat vertical portion on include supporting seat medial surface and supporting seat bottom surface, supporting seat horizontal part on including supporting seat upper baffle face and supporting seat side baffle face, supporting seat medial surface and slide side contact, supporting seat side baffle face and limiting plate side baffle face contact for realize the spacing of movable base and unable adjustment base in the left and right directions, supporting seat bottom surface and slide top contact, supporting seat upper baffle face and limiting plate lower baffle face contact for realize the spacing of unable adjustment base and movable base in vertical direction.
Compared with the prior art, the invention has the beneficial effects that: (1) The child safety seat locking warning method disclosed by the invention can prompt a user of the locking state of the child safety seat, and effectively avoid the problem that the child safety seat is not protected in place due to negligence of the user; (2) The chair back and the movable base of the child safety chair disclosed by the invention are detachably connected, and meanwhile, the child safety chair has a certain angle adjusting range, is suitable for use requirements of different angles, and is simple in structure and convenient to use; (3) The child safety seat back disclosed by the invention can be folded, is convenient to store when not used, and saves space.
Drawings
FIG. 1 is a schematic view of a child safety seat back of the present invention.
FIG. 2 is a schematic view of the child safety seat back of the present invention taken along its central axis.
Fig. 3 is a partially enlarged schematic view of fig. 2 at F.
Fig. 4 is a schematic view of the structure of the fixed base and the movable base of the child safety seat according to the present invention (first view angle).
Fig. 5 is a schematic view of the structure of the fixed base and the movable base of the child safety seat according to the present invention (second view angle).
Fig. 6 is a sectional view taken along the direction A-A in fig. 5.
Fig. 7 is an enlarged partial schematic view at a in fig. 6.
Fig. 8 is a schematic view of the position of the chair back when mounted with the movable base.
Fig. 9 is a partially enlarged schematic view at B in fig. 8.
Fig. 10 is a schematic view of the position of the chair back and the movable base at a minimum opening angle.
Fig. 11 is a partially enlarged schematic view of fig. 10 at C.
Fig. 12 is a schematic view of the position of the chair back and the movable base at the maximum opening angle.
Fig. 13 is a partially enlarged schematic view of fig. 12 at D.
Figure 14 is a schematic view in cross-section of the chair back folded with the movable base.
Fig. 15 is a partially enlarged schematic view at E in fig. 14.
Fig. 16 is a schematic view of a child safety seat with a child safety belt assembly (buckled state) according to the present invention.
Fig. 17 is a partially enlarged schematic view of fig. 16 at G.
Fig. 18 is a schematic view of a child safety seat structure with a child safety belt assembly of the present invention (buckle-on condition).
Fig. 19 is a partially enlarged schematic view of H in fig. 18.
Fig. 20 is a schematic structural view of a snap button of the present invention.
Reference numerals: 101-a chair back; 102-a top drawstring threading hole; 103-clamping hooks; 104-mounting a housing; 105-inserting sheets; 106-a return spring; 107-a first drawstring; 108-a second drawstring; 109-bump; 1091-a first stop surface; 1092-a second stop surface; 110-a metal rod; 201-a fixed base; 202-a movable base; 203-armrests; 204-a support; 205-mounting a shaft; 206-a support stand upright; 2061-the inner side of the support base; 2062-a support base bottom surface; 207-a support base horizontal portion; 2071-a baffle surface on the supporting seat; 2072-a supporting seat side blocking surface; 208-slideway; 2081-on top of the slide; 2082-sides of the slide; 209-a limiting plate; 2091-a stop plate lower stop surface; 2092-stop plate side stop surface; 210-a first limit rib; 2101-the inner side surface of the first limiting rib; 2102-upper side of first stop bar; 211-second limit ribs; 2111-the outer side surface of the second limiting rib; 2112-the inner side surface of the second limiting rib; 301-a first seat belt; 302-a buckle sub-buckle; 303-a snap button; 304-plugboards; 305-second seat belt; 4-a pressure sensor; 5-optical sensor.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
Examples: the utility model provides a child safety seat locking warning method, set up alarm circuit on child safety seat, including warning light and bee calling organ in the alarm circuit, warning light and bee calling organ series connection still be provided with two travel switches in the alarm circuit, one travel switch sets up normally open, another travel switch sets up normally closed, two travel switches are established ties respectively in alarm circuit, child safety seat is last to be provided with top stretching strap subassembly, top stretching strap subassembly is used for with child safety seat and car fixed connection, normally closed travel switch sets up on top stretching strap subassembly, when having the signal of children in the received child safety seat, normally open travel switch is closed, alarm circuit circular telegram, warning light and bee calling organ begin the warning, when top stretching strap subassembly is buckled, normally closed travel switch that is arranged in top stretching strap subassembly opens, alarm circuit outage, release the warning.
Referring to fig. 1-3, a child safety seat comprises a seat back 101 and a movable base 202, wherein the seat back 101 is connected with the movable base 202, a top drawstring threading hole 102 is formed in the seat back 101, the top drawstring assembly comprises a mounting shell 104, the mounting shell 104 is arranged on one surface of the seat back 101, which is close to a user, an inserting sheet 105 is slidably mounted in the mounting shell 104, a return spring 106 is arranged between the inserting sheet 105 and the mounting shell 104, a metal rod 110 is fixedly mounted on the seat back 101, a first end of a first drawstring 107 is fixedly mounted on the metal rod 110, a second end of the first drawstring 107 passes through the lower end of the inserting sheet 105 and then passes through the top drawstring threading hole 102, the second end of the first drawstring 107 is connected with a first end of a second drawstring 108 through a buckle, the second end of the second drawstring 108 is fixedly connected with an automobile, a normally-closed travel switch is arranged in the mounting shell 104, and the inserting sheet 105 and the normally-closed travel switch are in contact with the mounting shell 104 for switching off the normally-closed travel switch.
Referring to fig. 1,2,3, 17, 18, a first way to trigger a normally open travel switch is: be provided with children's safety belt assembly on back 101 and the movable base 202, children's safety belt assembly is used for restricting children inside children's safety seat, children's safety belt assembly includes two safety belts 301 and a safety belt second 305, the first end fixed mounting of safety belt 301 is on back 101, the second end fixed mounting of safety belt 301 is on movable base 202, be provided with buckle son knot 302 on two safety belts 301, the first end fixed mounting of safety belt second 305 is on movable base 202, fixed mounting has buckle box 303 on the second end of safety belt second 305, be provided with normally open travel switch in the buckle box 303, be provided with picture peg 304 on the buckle son knot 302, when picture peg 304 inserts buckle box 303, the drive normally open travel switch is closed, alarm circuit circular telegram.
Referring to fig. 19, a second way to trigger a normally open travel switch is: the upper surface of the movable base 202 is provided with a pressure sensor 4, the pressure sensor 4 is used for detecting whether a child exists on the child safety seat, the pressure sensor 4 is electrically connected with a normally open travel switch, and when the pressure sensor 4 detects pressure change, the normally open travel switch is closed, and an alarm circuit is electrified.
Referring to fig. 20, a third way to trigger a normally open travel switch is: the one side that buckle box 303 is close to children is provided with optical sensor 5, and optical sensor 5 is used for detecting whether there is children on the children's safety seat, and optical sensor 5 is connected with normally open travel switch electricity, and when optical sensor 5 detected children, normally open travel switch closed, and alarm circuit circular telegram.
Referring to fig. 8-16, a hook 103 is provided below the chair back 101, an opening is provided on the hook 103, a support 204 is provided at one end of the movable base 202 close to the chair back 101, a mounting shaft 205 is provided between each two supports 204, two opposite planes are machined at a portion of each mounting shaft 205 close to the support 204, the distance between the two planes is equal to the width of the opening on the hook 103, and the chair back 101 is rotatably mounted on the movable base 202 through the hook 103.
Referring to fig. 8-16, a protruding block 109 is arranged below the hook 103, a first limit rib 210 and a second limit rib 211 are arranged on the movable base 202 at a position below the mounting shaft 205, the second limit rib 211 is higher than the first limit rib 210, and the first limit rib 210 and the second limit rib 211 are matched with the protruding block 109 to limit the rotation angle of the chair back 101; the first spacing rib 210 includes a first spacing rib inner side 2101 and a first spacing rib upper side 2102, the second spacing rib 211 includes a second spacing rib outer side 2111 and a second spacing rib inner side 2112, the second spacing rib outer side 2111 is configured as an inclined plane, the bump 109 includes a first spacing surface 1091 and a second spacing surface 1092, and the height of the second spacing surface 1092 is less than the height of the first spacing surface 1091.
Referring to fig. 8 to 16, when the chair back 101 is mounted on the movable base 202, the chair back 101 is first placed parallel to the movable base 202, the opening structure on the protruding block 109 is aligned with the mounting shaft 205, the protruding block 109 is pressed downwards to sleeve the protruding block 109 on the mounting shaft 205, at this time, the protruding block 109 is located at one side close to the second limiting rib 211, the chair back 101 is lifted upwards, the protruding block 109 rotates around the mounting shaft 205, the second limiting surface 1092 on the protruding block 109 contacts the outer side surface 2111 of the second limiting rib first, along with deformation of the protruding block 109, the protruding block 109 passes over the second limiting rib 211 and enters between the first limiting rib 210 and the second limiting rib 211, and the protruding block 109 is made of PP.
Referring to fig. 8-16, when the first limiting surface 1091 contacts the second limiting rib inner side surface 2112, the first limiting surface 1091 is used to limit the maximum opening angle between the seat back 101 and the movable base 202, and when the second limiting surface 1092 contacts the first limiting rib inner side surface 2101, the second limiting surface 1092 is used to limit the minimum opening angle between the seat back 101 and the movable base 202, in this embodiment: the opening angle between the chair back 101 and the movable base 202 is: 90-105 deg..
Referring to fig. 8 to 16, when the seat back 101 is folded relative to the movable base 202, the second limiting surface 1092 is first contacted with the inner side surface 2101 of the first limiting rib, and as the protrusion 109 is deformed, the protrusion 109 passes over the first limiting rib 210 to get close to one side of the first limiting rib 210, two sides of the movable base 202 are respectively provided with the armrest 203, and when the seat back 101 is folded above the movable base 202, the armrest 203 is supported on the inner side of the seat back 101.
Referring to fig. 4-7, the child safety seat further includes a fixed base 201, the fixed base 201 is fixedly mounted on the automobile seat, a slide way 208 and a limiting plate 209 are disposed inside the fixed base 201, the slide way 208 includes a slide way upper surface 2081 and a slide way side surface 2082, the limiting plate 209 includes a limiting plate lower blocking surface 2091 and a limiting plate side blocking surface 2092, a support base is disposed at the bottom of the movable base 202, the support base includes a support base vertical portion 206 and a support base horizontal portion 207, the support base horizontal portion 207 is vertically disposed below the support base vertical portion 206, the support base vertical portion 206 includes a support base inner surface 2061 and a support base bottom surface 2062, the support base horizontal portion 207 includes a support base upper blocking surface 2071 and a support base side blocking surface 2072, the support base inner surface 2061 is in contact with the slide way side surface 2082, the support base side blocking surface 2072 is in contact with the limiting plate side blocking surface 2092 for realizing the limiting of the movable base 202 and the fixed base 201 in the left-right direction, and the support base bottom surface 2062 is in contact with the slide way upper surface 2081, and the support base upper blocking surface 2061 is in contact with the limiting plate lower surface 202 for realizing the fixed base 201 in the vertical direction.
The application method of the child safety seat disclosed by the invention comprises the following steps: during installation, the chair back 101 and the movable base 202 are placed in parallel, the opening structure on the protruding block 109 is aligned with the installation shaft 205, the protruding block 109 is pressed downwards, the protruding block 109 is sleeved on the installation shaft 205, the chair back 101 is lifted upwards after being pressed in place, the protruding block 109 rotates around the installation shaft 205, the protruding block 109 passes through the second limiting rib 211 and enters between the first limiting rib 210 and the second limiting rib 211, the angle between the chair back 101 and the movable base 202 is adjusted until the chair back 101 abuts against an automobile seat, the first pull belt 107 and the second pull belt 108 are connected through a buckle, the chair back 101 is fixed, the length of the second pull belt 108 is adjustable, at the moment, the first pull belt 107 extrudes the inserting sheet 105, and the inserting sheet 105 drives the normally closed travel switch to be opened.
After the child safety seat is fixed, placing the child inside the child safety seat, if the first mode of triggering the normally open travel switch is used, when the plugboard 304 is inserted into the buckle female buckle 303, the normally open travel switch is driven to be closed, and then the alarm circuit is electrified; if a second mode of triggering the normally open travel switch is used, when the pressure sensor 4 senses pressure change, the normally open travel switch in the alarm circuit is closed, and the alarm circuit is electrified; if a second mode of triggering the normally open travel switch is used, when the pressure sensor 4 senses pressure change, the normally open travel switch in the alarm circuit is closed, and the alarm circuit is electrified; if a third mode of triggering the normally open travel switch is used, when the optical sensor 5 senses that a child exists in the child safety seat, the normally open travel switch in the alarm circuit is closed, and the alarm circuit is electrified; if the first pull belt 107 is not fixed with the second pull belt 108, namely the chair back 101 is not fixed, a buzzer and a warning lamp in the warning circuit send out an alarm at the moment to prompt a user to fix the chair back 101, and if the first pull belt 107 is fixed with the second pull belt 108, namely the chair back 101 is fixed, the warning circuit is in an open circuit state and does not send out an alarm at the moment; the support seat slides between the slide way 208 and the limiting plate 209 to realize the adjustment and the limiting of the relative positions of the fixed base 201 and the movable base 202.
Claims (8)
1. A child safety seat, characterized in that: the automobile seat comprises a seat back (101) and a movable base (202), wherein the seat back (101) is connected with the movable base (202), a top pull belt penetrating hole (102) is formed in the seat back (101), the top pull belt assembly comprises a mounting shell (104), the mounting shell (104) is arranged on one surface, close to a user, of the seat back (101), an inserting sheet (105) is slidably arranged in the mounting shell (104), a reset spring (106) is arranged between the inserting sheet (105) and the mounting shell (104), a metal rod (110) is fixedly arranged on the seat back (101), a first end of a first pull belt (107) is fixedly arranged on the metal rod (110), a second end of the first pull belt (107) penetrates out from the top pull belt penetrating hole (102) after bypassing the lower end of the inserting sheet (105), the second end of the first pull belt (107) is connected with the first end of a second pull belt fastener (108) through a connection, the second end of the second pull belt (108) is fixedly connected with the mounting shell (104), and the normally closed inserting sheet (104) is arranged in the normally closed type travel switch (104) and is used for being disconnected with the normally closed travel switch (104);
The chair comprises a chair back (101), wherein a clamping hook (103) is arranged below the chair back (101), an opening is formed in the clamping hook (103), a support (204) is arranged at one end, close to the chair back (101), of a movable base (202), a mounting shaft (205) is arranged between every two supports (204), two opposite planes are machined on the part, close to the supports (204), of each mounting shaft (205), the distance between the two planes is equal to the width of the opening in the clamping hook (103), and the chair back (101) is rotatably arranged on the movable base (202) through the clamping hook (103);
The lower part of the clamping hook (103) is provided with a bump (109), a first limit rib (210) and a second limit rib (211) are arranged on the movable base (202) at the position below the mounting shaft (205), the second limit rib (211) is higher than the first limit rib (210), and the first limit rib (210) and the second limit rib (211) are matched with the bump (109) to limit the rotation angle of the chair back (101); the first spacing muscle (210) include first spacing muscle medial surface (2101) and first spacing muscle up side (2102), second spacing muscle (211) include second spacing muscle lateral surface (2111) and second spacing muscle medial surface (2112), second spacing muscle lateral surface (2111) set up to the inclined plane, lug (109) include first spacing face (1091) and second spacing face (1092), the height of second spacing face (1092) be less than the height of first spacing face (1091).
2. A child safety seat according to claim 1, wherein: be provided with children's safety belt subassembly on back of the chair (101) and the movable base (202), children's safety belt subassembly is used for restricting children inside children's safety seat, children's safety belt subassembly include two safety belts (301) and a safety belt two (305), the first end fixed mounting of safety belt one (301) on back of the chair (101), the second end fixed mounting of safety belt one (301) is on movable base (202), be provided with buckle sub-knot (302) on two safety belts one (301), first end fixed mounting of safety belt two (305) on movable base (202), fixed mounting has buckle box (303) on the second end of safety belt two (305), be provided with normally open travel switch in buckle box (303), be provided with picture peg (304) on buckle sub-knot (302), when picture peg (304) inserts buckle box (303), drive normally open travel switch and close, alarm circuit is circular telegram.
3. A child safety seat according to claim 1, wherein: the movable base (202) upper surface be provided with pressure sensor (4), pressure sensor (4) be used for detecting whether children have on the children's safety seat, pressure sensor (4) are connected with normally open travel switch electricity, when pressure sensor (4) detects pressure variation, normally open travel switch closes, alarm circuit circular telegram.
4. A child safety seat according to claim 1, wherein: the child safety seat comprises a seat back (101) and a movable base (202), wherein a child safety belt assembly is arranged on the seat back (101) and the movable base (202), the child safety belt assembly is used for limiting a child inside the child safety seat, the child safety belt assembly comprises two first safety belts (301) and two safety belts (305), a first end of each first safety belt (301) is fixedly arranged on the seat back (101), a second end of each first safety belt (301) is fixedly arranged on the movable base (202), a buckle sub-buckle (302) is arranged on each first safety belt (301), a buckle female buckle (303) is fixedly arranged at a second end of each second safety belt (305), a buckle female buckle (304) is arranged on each buckle sub-buckle (302), each buckle female buckle (303) is inserted into the child safety seat, one face, close to the child, of each buckle female buckle (303) is provided with an optical sensor (5), the optical sensor (5) is used for detecting whether the child safety seat is provided with an optical sensor, and the optical sensor is connected with a normally-open travel switch (5) when the optical sensor is powered on, and an alarm circuit is normally-off.
5. A child safety seat according to claim 1, wherein: when the chair back (101) is installed on the movable base (202), firstly, the chair back (101) and the movable base (202) are placed in parallel, an opening structure on the protruding block (109) is aligned with the installation shaft (205), the protruding block (109) is pressed downwards, the protruding block (109) is sleeved on the installation shaft (205), at the moment, the protruding block (109) is located on one side close to the second limiting rib (211), the chair back (101) is lifted upwards, the protruding block (109) rotates around the installation shaft (205), the second limiting surface (1092) on the protruding block (109) is firstly contacted with the outer side surface (2111) of the second limiting rib, and along with the deformation of the protruding block (109), the protruding block (109) passes through the second limiting rib (211) and enters between the first limiting rib (210) and the second limiting rib (211).
6. A child safety seat according to claim 1, wherein: when the first limiting surface (1091) is in contact with the inner side surface (2112) of the second limiting rib, the limiting device is used for limiting the maximum opening angle between the chair back (101) and the movable base (202), and when the second limiting surface (1092) is in contact with the inner side surface (2101) of the first limiting rib, the limiting device is used for limiting the minimum opening angle between the chair back (101) and the movable base (202).
7. A child safety seat according to claim 1, wherein: when the chair back (101) is folded relative to the movable base (202), the second limiting surface (1092) is firstly contacted with the inner side surface (2101) of the first limiting rib, the protruding block (109) passes over the first limiting rib (210) to come to one side close to the first limiting rib (210) along with the deformation of the protruding block (109), the two sides of the movable base (202) are respectively provided with the armrests (203), and when the chair back (101) is folded above the movable base (202), the armrests (203) are supported on the inner side of the chair back (101).
8. A child safety seat according to claim 1, wherein: the child safety seat also comprises a fixed base (201), the fixed base (201) is fixedly arranged on the automobile seat, a slide way (208) and a limiting plate (209) are arranged in the fixed base (201), the slide way (208) comprises a slide way upper surface (2081) and a slide way side surface (2082), the limiting plate (209) comprises a limiting plate lower blocking surface (2091) and a limiting plate side blocking surface (2092), a supporting seat is arranged at the bottom of the movable base (202), the supporting seat comprises a supporting seat vertical part (206) and a supporting seat horizontal part (207), the supporting seat horizontal part (207) is vertically arranged below the supporting seat vertical part (206), the supporting seat vertical part (206) comprises a supporting seat inner side surface (2061) and a supporting seat bottom surface (2062), the supporting seat horizontal part (207) comprises a supporting seat upper blocking surface (2071) and a supporting seat side blocking surface (2072), the supporting seat inner side surface (2061) is in contact with the side surface (2082), the supporting seat inner side surface (2081) is in contact with the supporting seat side surface (2082), the supporting seat side surface (2082) is in contact with the supporting seat bottom surface (2081) and is in contact with the supporting seat bottom surface (2082) to realize limiting direction of the supporting seat upper surface (2081) and the supporting seat bottom surface (2062), is used for realizing the limit of the fixed base (201) and the movable base (202) in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410217911.3A CN117774789B (en) | 2024-02-28 | 2024-02-28 | Child safety seat locking warning method and child safety seat |
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| CN202410217911.3A CN117774789B (en) | 2024-02-28 | 2024-02-28 | Child safety seat locking warning method and child safety seat |
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| CN117774789B true CN117774789B (en) | 2024-05-17 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0751034A2 (en) * | 1995-06-30 | 1997-01-02 | Schräder, Margarete | Children's seat for vehicles |
| JP2004122906A (en) * | 2002-10-01 | 2004-04-22 | Tokai Rika Co Ltd | Child seat |
| FR2926755A1 (en) * | 2008-01-30 | 2009-07-31 | Am Concept Sa | Automobile seat for e.g. toddler, has fixing member and housing arranged for cooperating member and housing in orientation relative to backrest and base, where passage between orientations is formed by rotation of base and backrest |
| CN108973798A (en) * | 2018-08-10 | 2018-12-11 | 宁波市博林日用品制造有限公司 | A kind of child safety seat |
| CN216684172U (en) * | 2022-01-14 | 2022-06-07 | 宁波源元汽车用品有限公司 | Child safety seat |
| CN218316363U (en) * | 2022-08-26 | 2023-01-17 | 扬州莱特斯婴童用品有限公司 | Safety warning device of upper pull belt |
| CN218661468U (en) * | 2022-08-26 | 2023-03-21 | 扬州莱特斯婴童用品有限公司 | Safety warning device of upper drawstring connected with belt buckle |
-
2024
- 2024-02-28 CN CN202410217911.3A patent/CN117774789B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0751034A2 (en) * | 1995-06-30 | 1997-01-02 | Schräder, Margarete | Children's seat for vehicles |
| JP2004122906A (en) * | 2002-10-01 | 2004-04-22 | Tokai Rika Co Ltd | Child seat |
| FR2926755A1 (en) * | 2008-01-30 | 2009-07-31 | Am Concept Sa | Automobile seat for e.g. toddler, has fixing member and housing arranged for cooperating member and housing in orientation relative to backrest and base, where passage between orientations is formed by rotation of base and backrest |
| CN108973798A (en) * | 2018-08-10 | 2018-12-11 | 宁波市博林日用品制造有限公司 | A kind of child safety seat |
| CN216684172U (en) * | 2022-01-14 | 2022-06-07 | 宁波源元汽车用品有限公司 | Child safety seat |
| CN218316363U (en) * | 2022-08-26 | 2023-01-17 | 扬州莱特斯婴童用品有限公司 | Safety warning device of upper pull belt |
| CN218661468U (en) * | 2022-08-26 | 2023-03-21 | 扬州莱特斯婴童用品有限公司 | Safety warning device of upper drawstring connected with belt buckle |
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| Publication number | Publication date |
|---|---|
| CN117774789A (en) | 2024-03-29 |
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