CN113859067A - Child safety seat - Google Patents

Child safety seat Download PDF

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Publication number
CN113859067A
CN113859067A CN202111188540.3A CN202111188540A CN113859067A CN 113859067 A CN113859067 A CN 113859067A CN 202111188540 A CN202111188540 A CN 202111188540A CN 113859067 A CN113859067 A CN 113859067A
Authority
CN
China
Prior art keywords
safety seat
child safety
base
seat according
use state
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.)
Pending
Application number
CN202111188540.3A
Other languages
Chinese (zh)
Inventor
崔宗旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wonderland Nurserygoods Co Ltd Hong Kong
Original Assignee
Wonderland Nurserygoods Co Ltd Hong Kong
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wonderland Nurserygoods Co Ltd Hong Kong filed Critical Wonderland Nurserygoods Co Ltd Hong Kong
Priority to CN202111188540.3A priority Critical patent/CN113859067A/en
Publication of CN113859067A publication Critical patent/CN113859067A/en
Pending legal-status Critical Current

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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
    • B60N2/2821—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2887—Fixation to a transversal anchorage bar, e.g. isofix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2821—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part
    • B60N2/2824—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part part of the base being supported by the vehicle frame
    • 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
    • B60N2/2857—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child
    • B60N2/286—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child forward facing
    • 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
    • B60N2/2857—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child
    • B60N2/2863—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle characterised by the peculiar orientation of the child backward facing
    • 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
    • B60N2/2869—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle rotatable about a vertical axis
    • 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
    • B60N2/2872—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with side rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2875—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle inclinable, as a whole or partially

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention discloses a child safety seat which is detachably arranged on an automobile seat and comprises a body and a base, wherein the front end of the base is provided with a mandril which extends downwards and is supported on the floor of the automobile. The body is arranged on the base and can rotate relative to the base to a forward use state or a backward use state, and the back of the body is propped against the backrest of the automobile seat in the forward use state. The push rod is supported on the automobile floor, and the body is abutted against the backrest of the automobile seat, so that stable support can be formed at the front end and the rear end of the child safety seat, the child safety seat is prevented from being overturned in a use state, and the safety is improved; meanwhile, an anti-rebound component is not required to be arranged, the structure is simpler, and the operation is more convenient.

Description

Child safety seat
Technical Field
The invention relates to the technical field of child safety seats, in particular to a child safety seat capable of preventing overturning.
Background
When a younger child is riding in a car, the child cannot sit directly on the car seat for safety reasons, but needs to mount a child safety seat on the car seat. Child safety seat has on car seat to preceding use and uses two kinds of mounting means to the back, and preceding children in the safety seat when using are towards car the place ahead, and the children in the safety seat when using after are towards car seat back. In a backward use state, if the automobile encounters accidents such as collision, the safety seat may overturn towards the automobile seat, so that children are injured. In order to prevent the safety seat from being overturned in a backward use state, european patent No. EP00751035B1 discloses a child safety seat having a rebound prevention member, wherein the rebound prevention member is disposed under the safety seat and supported against a backrest of the car seat, so as to support the safety seat and effectively prevent the safety seat from being overturned backward.
However, the safety seat in the forward use state does not require the rebound prevention member, and the rebound prevention member needs to be folded in the process of being adjusted from the backward use state to the forward use state, so that the operation is inconvenient.
Therefore, in order to improve safety and operational convenience, it is necessary to provide a child safety seat capable of preventing overturning without providing a rebound prevention member.
Disclosure of Invention
The invention aims to provide a child safety seat which can prevent overturning without a rebound prevention component.
In order to achieve the above object, the present invention provides a child safety seat detachably mounted on a car seat, comprising a body and a base, wherein a top rod extending downward and supported on a car floor is arranged at the front end of the base. The body sets up on the base and can rotate to one to the user state or the user state after one relatively the base, and the back that leans on in car seat to the back of body under the preceding user state, the body can be relative the base swing back and forth, children's safety seat still includes and is used for controlling the body is relative base swing back and forth's locking mechanical system.
Compared with the prior art, the ejector rod is arranged at the front end of the base of the child safety seat, the ejector rod is supported on the floor of the automobile, and meanwhile, the body of the child safety seat keeps the collision with the backrest of the automobile seat in a forward use state or a backward use state, so that the front end and the rear end of the child safety seat can be respectively supported, the child safety seat is more stable in use, the overturning condition of the child safety seat when an accident occurs in the automobile is effectively avoided, the safety of the child safety seat is improved, in addition, the body can swing forwards and backwards relative to the base, and the child safety seat is further provided with a locking mechanism for controlling the body to swing forwards and backwards relative to the base, so that the child safety seat is more comfortable. Meanwhile, the child safety seat does not need to be provided with an anti-rebound component, so that the structure is simpler, and the operation is more convenient.
Preferably, the base is wedge-shaped and the thickness of the rear end is greater than the thickness of the front end.
Preferably, the included angle between the upper surface and the lower surface of the base is 15 degrees.
Preferably, under the backward user mode, the front edge of body with car seat leans against, makes children's safety seat more stable when backward use, effectively avoids children's safety seat the circumstances that turns over when the car accident appears, has improved children's safety seat's security.
Specifically, in the rearward use condition, the front edge of the body is substantially flush with the rear end of the base in the vertical direction.
Preferably, the front edge of the body comprises two downwardly curved arches, which are connected to each other.
Preferably, in a backward use state, an acute angle is formed between an extension line of the back surface of the body and the upper surface of the automobile seat, the size of the acute angle can be changed by swinging the body back and forth relative to the base, and the motion track of the front edge of the body in the swinging process is arc-shaped.
Specifically, the acute angle is in the range of 36-42 degrees.
Specifically, the front end and the rear end of base are provided with preceding spout and back spout respectively, and preceding spout all is the arc of both ends perk with the back spout, and the bottom of body is provided with preceding connecting rod and back connecting rod, and the body bears on the base, and preceding connecting rod sets up in preceding spout and back spout with sliding respectively with the back connecting rod.
More specifically, two upright front vertical plates are respectively arranged on two sides of the front end of the base, front sliding grooves are respectively formed in the two upright front vertical plates, two upright rear vertical plates are respectively arranged on two sides of the rear end of the base, rear sliding grooves are respectively formed in the two rear vertical plates, two ends of a front connecting rod are respectively located in the two front sliding grooves, and two ends of a rear connecting rod are respectively located in the two rear sliding grooves.
Furthermore, the locking mechanism is arranged at the bottom of the body and positioned between the two front vertical plates.
Furthermore, the locking mechanism comprises an operating part, a clamping part and a follower, wherein the operating part can slide relative to the body, the follower is fixed with the body, the tail end of the front connecting rod penetrates through the follower and then extends into the front sliding groove, a plurality of clamping holes are formed in the front vertical plate side by side, the operating part pushes the clamping part to penetrate through the follower and be clamped into the clamping holes when sliding towards the body, and the operating part pushes the clamping part to be separated from the clamping holes when sliding towards the body.
Preferably, the distance between the front edge of the body and the upper surface of the car seat in the forward use state is H1, the distance between the front edge of the body and the upper surface of the car seat in the backward use state is H2, and the ratio of H1 to H2 is in the range of 0.4-0.6.
Specifically, the size of H1 was 148 mm.
Specifically, H2 is greater than or equal to 265 mm.
Preferably, the distance between the front edge of the body and the upper surface of the car seat in the backward use state is H2, the distance between the armrest of the body and the upper surface of the car seat is H3, and the ratio of H2 to H3 is in the range of 0.6-0.8.
Specifically, the sizes of H2 and H3 are 265mm and 375mm, respectively.
Drawings
FIG. 1 is a perspective view of a child safety seat of the present invention.
Fig. 2 is a perspective view of the child safety seat of the present invention in a forward use state when mounted to a car seat.
FIG. 3 is a side view of the child safety seat of the present invention shown in a forward use position when mounted to a vehicle seat.
Fig. 4 is a perspective view showing a rear use state of the child safety seat according to the present invention when the child safety seat is mounted on a car seat.
Fig. 5 is a side view of the child safety seat of the present invention in a backward use state when the child safety seat is mounted to a car seat.
Fig. 6 is a side view of the child safety seat body in a backward use state in which the supplementary tilt angle of the child safety seat body is 42 degrees.
Fig. 7 is a side view of the child safety seat body in a rearward use state in which the supplementary tilt angle of the child safety seat body is 40 degrees.
Fig. 8 is a side view of the child safety seat body in a rearward use state in which the supplementary tilt angle of the child safety seat body is 38 degrees.
Fig. 9 is a side view of the child safety seat body in a backward use state in which the supplementary tilt angle of the child safety seat body is 36 degrees.
FIG. 10 is a schematic view of the front and rear links secured to the bottom of the body.
Fig. 11 is a schematic view of the front and rear chutes provided on the base.
Fig. 12 is a schematic view showing a position where the lock mechanism is disposed on the base.
Fig. 13 is an exploded view of the locking mechanism.
Detailed Description
The preferred embodiments of the present invention will now be described with reference to the accompanying drawings, which are given by way of illustration.
Referring to fig. 1 to 5, the present invention provides a child safety seat 1 detachably mounted to a car seat 2 for seating a child and providing safety protection to the child. The child safety seat 1 includes a base 11 and a body 12 rotatably disposed on the base 11, and a child is seated in the body 12. When installed in the car seat 2, the body 12 can be rotated relative to the base 11 to a forward use position shown in fig. 2 or a backward use position shown in fig. 4. The child in the body 12 faces forward of the vehicle in the forward use state, and the child in the body 12 faces the backrest 21 of the vehicle seat 2 in the rearward use state.
The base 11 is a wedge-shaped structure, the thickness of the rear end is greater than that of the front end, the lower surface of the base 11 is a plane approximately parallel to the horizontal direction, an included angle α is formed between the upper surface and the lower surface of the base 11, and the included angle α is 15 degrees in the embodiment. The front end of the base 11 is provided with a mandril 13 which extends downwards and is supported on the floor of the automobile, and the mandril 13 can be arranged into a telescopic structure, so that the mandril can be adjusted according to the height of the automobile seat 2 and can keep propping against the bottom plate of the automobile. The rear end of the base 11 is provided with two rearwardly extending docking arms 14, the docking arms 14 being inserted into an ISOFIX interface (not shown) provided on the car seat 2 to lock the child safety seat 1 in place on the car seat 2.
The body 12 includes a back plate 121 for a child to lean against, and two side plates 122 fixed to two sides of the back plate 121, wherein the upper edges of the side plates 122 are handrails 123 for the child to lean against. The front edge 124 of the body 12 is located between the two side plates 122, and the front edge 124 includes two downwardly curved arches 124a, the two arches 124a being connected to each other. The legs of the child can be placed at the arches 124a in the forward use position.
As shown in fig. 3, in the forward use state, the body 12 faces forward, the back surface 121 of the body 12 abuts against the backrest 21 of the car seat 2, and the distance between the front edge 124 of the body 12 and the upper surface of the car seat 2 is H1.
As shown in fig. 5, the body 12 faces rearward in the rearward use condition, with the front edge 124 being substantially flush with the rear end of the base 11 in the vertical direction. The distance between the front edge 124 and the upper surface of the car seat 2 is H2, and the distance between the armrest 123 and the upper surface of the car seat 2 is H3. Because the base 11 is wedge-shaped with an angle α of 15 degrees between the upper and lower surfaces, the front edge 124 of the body 12 gradually rises during rotation from the forward use condition to the rearward use condition, such that H2 is greater than H1. And under the user state backward, the front edge 124 offsets with backing 21 of car seat 2, can form the stable stay at the front and back end of children's safety seat 1, makes children's safety seat 1 more stable when using backward, effectively avoids the circumstances that turns over appears to children's safety seat 1 under the user state backward, has improved children's safety seat 1's security. Since the front edge 124 is formed by connecting two arch structures 124a, the contact area of the front edge 124 with the backrest 21 is large, and there is a large friction force between the two. The front edge 124 is configured to have two arched structures 124a connected to each other, which is opposite to the straight front edge 124, and is beneficial to increase the stability of the body 12 abutting against the backrest 21.
In order to ensure that the body 12 can be abutted against the backrest 21 in forward and backward use states and ensure the safety and comfort of children in the body 12, the ratio of H1 to H2 is set within the range of 0.4-0.6, and the ratio of H2 to H3 is set within the range of 0.6-0.8. Specifically, H2 is greater than or equal to 265mm, and only if H2 meets this value, it is ensured that the front edge 124 has a sufficient height to interfere with the backrest 21. In this embodiment, the sizes of H1, H2 and H3 are 148mm, 265mm and 375mm, respectively.
Referring to fig. 6 to 9, the body 12 can swing back and forth with respect to the base 11 to change the tilt angle. In the backward use state, an acute angle is formed between an extension line of the back plate 121 of the body 12 and the upper surface of the car seat 2, and the acute angle is defined as a supplementary tilt angle β, and a smaller value of the supplementary tilt angle β indicates a greater degree of tilt of the body 12 with respect to the base 11. The size of the supplementary tilt angle beta is limited within the range of 36-42 degrees, ensuring that the body 12 does not swing to a large tilt degree, thereby reducing the risk of the child safety seat 1 overturning without providing an anti-rebound member. The magnitudes of the supplementary tilt angles β shown in fig. 6 to 9 are 42 degrees, 40 degrees, 38 degrees, and 36 degrees, respectively.
In the backward use state, the movement locus of the front edge 124 of the body 12 during the swinging process is arc-shaped, so that the front edge 124 always keeps a similar contact distance with the backrest 21 during the movement process. Ensuring that the leading edge 124 can function as an anti-rebound member.
As shown in fig. 10 to 12, the base 11 is provided with an arc seat 111 extending in the front-rear direction of the child safety seat 1 and having two ends tilted, and the body 12 is carried on the arc seat 111. Two upright front vertical plates 112 are respectively arranged on two sides of the front end of the arc-shaped seat 111, and two upright rear vertical plates 113 are respectively arranged on two sides of the rear end of the arc-shaped seat 111. The two front vertical plates 112 are respectively provided with a front sliding chute 112a, the two rear vertical plates 113 are respectively provided with a rear sliding chute 113a, and the front sliding chute 112a and the rear sliding chute 113a are both in an arc shape with two tilted ends. The bottom of the body 12 is provided with a front connecting rod 125 and a rear connecting rod 126, two ends of the front connecting rod 125 are respectively slidingly accommodated in the two front sliding chutes 112a, and two ends of the rear connecting rod 126 are respectively slidingly accommodated in the two rear sliding chutes 113 a. The sliding of the body 12 on the base 11 can be realized by accommodating the connecting rod at the bottom of the body 12 in the sliding slot on the base 11, and the moving track of the front edge 124 is arc-shaped in the process of swinging the body 12 relative to the base 11.
Referring to fig. 10 to 13, the child safety seat 1 further includes a locking mechanism 15, the locking mechanism 15 is disposed between the body 12 and the base 11 and can lock the body 12 on the base 11 so that the body 12 cannot slide relative to the base 11, and the body 12 can slide freely after the locking mechanism 15 is unlocked. In this embodiment, the locking mechanism 15 is disposed at the bottom of the body 12 and between the two front vertical plates 112. The two front vertical plates 112 are respectively provided with a plurality of engaging holes 112b in parallel for the locking mechanism 15 to lock, and the plurality of engaging holes 112b in parallel are located below the front chute 112 a. The locking mechanism 15 includes a follower 151, an operating member 152, two driving members 153, and two engaging members 154 having a U-shaped structure.
The follower 151 is fixed at the bottom of the body 12 and slides between the two front vertical plates 112 along with the body 12, and the follower 151 includes two side portions 151a, each side portion 151a has an upper through hole 151b and two lower through holes 151c located below the upper through hole 151 b. Both ends of the front link 125 respectively extend into the two front sliding slots 112a after passing through the upper through holes 151b on the two side portions 151 a. The follower 151 is further provided with two catching slide grooves 151d between the both side portions 151a and a protruding guide post 151e between the two catching slide grooves 151 d. The engagement slide groove 151d extends in the right and left direction of the child safety seat 1. The two driving members 153 are slidably disposed in the two engaging sliding slots 151d, a protruding driving column 153a is disposed at one end of the driving member 153 away from the corresponding side 151a, and a positioning slot 153b is disposed at one end of the driving member 153 close to the corresponding side 151 a. The middle part of the engaging member 154 is received in the positioning groove 153b of the corresponding driving member 153, and the two arms of the engaging member 154 can pass through the two lower through holes 151c of the corresponding side part 151a and be engaged in the two engaging holes 112b of the front vertical plate 112. After the engaging piece 154 is engaged with the engaging hole 112b, the follower 151 is locked to the base 11, and therefore the main body 12 cannot slide relative to the base 11.
The operating member 152 is slidably disposed at the bottom of the body 12, and the sliding direction is the front-back direction of the child safety seat 1, the operating member 152 is a pull handle, and the rear end of the operating member 152 is provided with a guide groove 152a and two driving inclined grooves 152b located at two sides of the guide groove 152 a. The guide post 151e is located in the guide groove 152a to define a sliding direction of the operating member 152 with respect to the body 12. The two driving chutes 152b are respectively located above the two driving members 153, and the driving posts 153a inside the two driving members 153 respectively extend into the two driving chutes 152 b. When the operating member 152 slides into the body 12, the two driving members 153 are driven to slide outwards by the matching of the driving chute 152b and the driving column 153a, and then the two engaging members 154 are driven to respectively pass through the side portion 151a and be engaged in the engaging holes 112b, so as to realize locking; when the operating member 152 slides outward from the body 12, the two driving members 153 are driven to slide inward, so as to drive the engaging member 154 to retract inward and disengage from the engaging hole 112b, thereby unlocking. After unlocking, the body 12 slides together with the lock mechanism 15 with respect to the base 11, and after sliding a certain angle, the engaging piece 154 is positioned to face the other engaging hole 112b and to perform the engagement locking again when the operating piece 152 slides inward.
The locking mechanism 15 further includes a first return spring 155 and two second return springs 156. The operating member 152 is provided with a protruding positioning post 152c, the first return spring 155 is a tension spring, two ends of the first return spring 155 are hooked on the guiding post 151e and the positioning post 152c, respectively, and the first return spring 155 pulls the operating member 152 inward, so that the locking mechanism 15 is maintained in a locked state. The two second return springs 156 are respectively disposed between the two driving members 153 and the follower 151, and the second return springs 156 push the driving members 153 outwards to keep the engaging members 154 engaged in the engaging holes 112 b.
Compared with the prior art, the front end of the base 11 of the child safety seat 1 is provided with the ejector rod 13, the ejector rod 13 is supported on the floor of an automobile, and meanwhile, the body 12 of the child safety seat 1 keeps abutting against the backrest 21 of the automobile seat 2 in both a forward use state and a backward use state, so that the front end and the rear end of the child safety seat 1 can be respectively supported, the child safety seat 1 is more stable in use, the situation that the child safety seat 1 is overturned in the automobile driving process is effectively avoided, the safety of the child safety seat 1 is improved, in addition, the body 12 can swing back and forth relative to the base 11, and the child safety seat 1 is also provided with the locking mechanism 15 for controlling the body 12 to swing back and forth relative to the base 11, so that the child safety seat is more comfortable. Meanwhile, the child safety seat 1 does not need to be provided with an anti-rebound component, so that the structure is simpler and the operation is more convenient.
The above disclosure is only a preferred embodiment of the present invention, which is convenient for those skilled in the art to understand and implement, and certainly not to limit the scope of the present invention, therefore, the present invention is not limited by the claims and their equivalents.

Claims (17)

1. The utility model provides a children's safety seat, detachably installs on car seat which characterized in that: comprises a body and a base, wherein the front end of the base is provided with a mandril which extends downwards and is supported on the floor of the automobile,
the body is arranged on the base and can rotate relative to the base to a forward use state or a backward use state, the back surface of the body is propped against the backrest of the automobile seat in the forward use state,
the body can be relative the base is the swing back and forth, children's safety seat still includes and is used for controlling the body is relative the base is swing back and forth's locking mechanical system.
2. The child safety seat according to claim 1, wherein: the base is wedge-shaped, and the thickness of rear end is greater than the thickness of front end.
3. The child safety seat according to claim 1, wherein: the size of the included angle between the upper surface and the lower surface of the base is 15 degrees.
4. The child safety seat according to claim 1, wherein: and in the backward use state, the front edge of the body is propped against the backrest of the automobile seat.
5. The child safety seat according to any one of claims 1-4, wherein: in the rearward use position, a front edge of the body is substantially flush with a rear end of the base in a vertical direction.
6. The child safety seat according to claim 1, wherein: the front edge of the body comprises two downwardly curved arches which are connected to each other.
7. The child safety seat according to claim 1, wherein: under the backward use state, an acute angle is formed between the extension line of the back of the body and the upper surface of the automobile seat, the body is opposite to the base and swings forwards and backwards to change the size of the acute angle, and the motion track of the front edge of the body is arc-shaped in the swinging process.
8. The child safety seat according to claim 7, wherein: the acute angle is in the range of 36-42 degrees.
9. The child safety seat according to claim 1, wherein: the front end and the rear end of base are provided with preceding spout and back spout respectively, preceding spout all is the arc of both ends perk with the back spout, the bottom of body is provided with preceding connecting rod and back connecting rod, the body bear in on the base, preceding connecting rod with back connecting rod set up with sliding respectively in preceding spout and the back spout.
10. The child safety seat according to claim 9, wherein: two upright front vertical plates are arranged on two sides of the front end of the base respectively, the front sliding grooves are formed in the two upright front vertical plates respectively, two upright rear vertical plates are arranged on two sides of the rear end of the base respectively, the rear sliding grooves are formed in the two rear vertical plates respectively, two ends of the front connecting rod are located in the two front sliding grooves respectively, and two ends of the rear connecting rod are located in the two rear sliding grooves respectively.
11. The child safety seat according to claim 10, wherein: the locking mechanism is arranged at the bottom of the body and positioned between the two front vertical plates.
12. The child safety seat according to claim 11, wherein: the locking mechanism comprises an operating part, a clamping part and a follower, wherein the operating part can slide relative to the body, the follower is fixed to the body, the tail end of the front connecting rod penetrates through the follower and then extends into the front sliding groove, a plurality of clamping holes are formed in the front vertical plate side by side, the operating part pushes the clamping part to penetrate through the follower and be clamped into the clamping holes when sliding in the body, and the operating part pushes the clamping part to be separated from the clamping holes when sliding outside the body.
13. The child safety seat according to claim 1, wherein: the distance between the front edge of the body and the upper surface of the car seat in the forward use state is H1, the distance between the front edge of the body and the upper surface of the car seat in the backward use state is H2, and the ratio of H1 to H2 is in the range of 0.4-0.6.
14. The child safety seat according to claim 13, wherein: the size of the H1 was 148 mm.
15. The child safety seat according to claim 13, wherein: the H2 is greater than or equal to 265 mm.
16. The child safety seat according to claim 1, wherein: the distance between the front edge of the body and the upper surface of the car seat in the backward use state is H2, the distance between the armrest of the body and the upper surface of the car seat is H3, and the ratio of H2 to H3 is in the range of 0.6-0.8.
17. The child safety seat according to claim 16, wherein: the sizes of H2 and H3 are 265mm and 375mm, respectively.
CN202111188540.3A 2016-03-08 2016-03-08 Child safety seat Pending CN113859067A (en)

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CN202111184670.XA Active CN113859066B (en) 2016-03-08 2016-03-08 child safety seat
CN202111188556.4A Active CN113859068B (en) 2016-03-08 2016-03-08 child safety seat
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DE102017203726A1 (en) 2017-09-14
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