Automobile child safety seat
Technical Field
The invention relates to the field of children products, in particular to an automobile child safety seat.
Background
The automobile child safety seat can well protect the safety of riding children in driving, is a necessary device for carrying the children when riding and going out, and in order to effectively protect the children, various technologies such as a head rest with a protective wing, an ISOFIX fixed with an automobile and the like are often adopted in the automobile child safety seat.
When the automobile collides, if the automobile child safety seat shakes, the swing amplitude is too large, the protection effect on the child can be weakened, the risk of child injury is increased, and especially when front collision and sudden stop accidents occur, the backrest of the automobile child safety seat is extremely easy to bring potential safety hazards due to inertia two front dashes.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the automobile child safety seat, which can reduce the shaking amplitude of the automobile child safety seat when an automobile collides. The specific technical scheme of the invention is as follows:
the invention provides an automobile child safety seat, which comprises
A seat body including a backrest;
the base is positioned at the bottom of the seat body and is used for being connected with an automobile;
The fixing piece is pivotally connected with the base and used for fixing a safety belt, and has a storage state and an open state, and when the fixing piece is converted from the storage state to the open state, the fixing piece rotates towards the direction approaching to the backrest;
the automobile child safety seat further comprises
The cushion block is positioned at the bottom of the base, a first jack is arranged on the cushion block, and the cushion block is in a retraction state and an extension state relative to the bottom surface of the base;
The first unlocking piece is connected with the base through a first spring, and the first spring is used for enabling the first unlocking piece to tend to press the fixing piece, and when the fixing piece is in the storage state, the first unlocking piece is abutted against the fixing piece;
The first bolt is connected with the first unlocking piece, the first bolt is used for being matched with the first jack of the cushion block in a retracted state, and when the retaining piece is converted from the storage state to the opening state, the first unlocking piece enables the first bolt to move out of the first jack under the action of restoring force of the first spring.
When the cushion block is in an extending state and the automobile child safety seat is fixed with the automobile, if the automobile collides and suddenly stops, the cushion block can prop against a seat steel plate of the automobile seat to block the backrest of the automobile child safety seat from turning forwards, the first bolt is used for locking the cushion block in the retracting state, and the first unlocking piece can enable the cushion block to be converted into the extending state from the retracting state.
Further, the automobile child safety seat also comprises a second bolt, the second bolt is connected with the base through a second spring, a second jack is arranged on the cushion block, the second bolt is used for being matched with the second jack of the cushion block in an extending state,
When the cushion block is in the retraction state, the second bolt is propped against the cushion block;
When the cushion block is converted from the retracted state to the extended state, the second plug pin is inserted into the second jack under the action of the restoring force of the second spring, and the second plug pin is used for locking the cushion block in the extended state.
Further, the automobile child safety seat further comprises a second unlocking piece, the second unlocking piece is connected with the base through a second spring, the second plug pin is connected with the second unlocking piece, when the cushion block is converted from the extending state to the retracting state, the second unlocking piece slides relative to the base to enable the second plug pin to move out of the second jack, and the second unlocking piece can enable the cushion block to be converted from the extending state to the retracting state.
Further, one end portion of the pad is pivotally connected to the base through a first pivot, and the middle portion of the pad is connected to the base through a third spring for biasing the pad toward the extended state.
Further, a first sliding groove is formed at a first end of the first unlocking piece, a pin shaft fixedly connected with the base is arranged in the first sliding groove, the pin shaft slides relative to the first sliding groove, the first unlocking piece is arranged along the left-right direction of the base, an included angle is formed between the first sliding groove and the left-right direction, and the first sliding groove comprises
A first location, the first location being remote from the first end;
a second location, the second location being proximate the first end;
When the retainer is in the storage state, the second end of the first unlocking piece is abutted against the retainer, the length of the first spring is compressed, the pin shaft is located at the first position, and when the retainer is in the opening state, the length of the first spring is the original length, and the pin shaft is located at the second position.
Further, one end of the first bolt is fixedly connected with the first end portion of the first unlocking piece, the other end of the first bolt is matched with the first jack, and when the holding piece is converted from the storage state to the opening state, the first bolt moves backwards along the front-back direction of the base, so that the other end of the first bolt moves out of the first jack.
Further, the second sliding groove is formed in the bottom of the base, the second unlocking piece is clamped in the second sliding groove to slide, a part of the second unlocking piece is exposed to the lower surface of the base, and the second sliding groove is formed along the front-back direction of the base.
Further, a second jack is arranged on the cushion block, the first jack and the second jack are arranged on the rear end face of the cushion block, and the first rotating shaft is positioned at the front end part of the cushion block and arranged along the left-right direction of the base.
Further, the first insertion hole is closer to the lower portion of the pad than the second insertion hole.
Further, the number of the cushion block, the first unlocking piece, the first bolt and the second bolt is two, so that the cushion block is more stable to use.
The technical scheme provided by the invention has the following beneficial effects:
1) When the automobile collides and suddenly stops, the shaking amplitude of the automobile child safety seat is reduced, and the safety of the child in the automobile is effectively ensured;
2) The spring of the cushion block is linked with the action of the fixing piece, so that the cushion block cannot be opened due to negligence;
3) The operation is simple, and the use is convenient for users.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an example of a child car seat cushion in an extended position;
FIG. 2 is a side view of an automotive child safety seat provided in an embodiment of the present invention with a cushion in a retracted state;
FIG. 3 is a partial schematic view of an automotive child safety seat provided by an embodiment of the present invention;
FIG. 4 is a side view of an automotive child safety seat provided in an embodiment of the present invention with a cushion in an extended state;
FIG. 5 is a first cross-sectional view of an automotive child safety seat provided by an embodiment of the present invention;
FIG. 6 is a second cross-sectional view of an automotive child safety seat provided by an embodiment of the present invention;
FIG. 7 is a schematic view of a portion of a child safety seat for an automobile according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a pad provided by an embodiment of the present invention;
FIG. 9 is a third cross-sectional view of an automotive child safety seat provided by an embodiment of the present invention;
FIG. 10 is a schematic view of an automotive child safety seat provided by an embodiment of the present invention with a cushion in a retracted state;
fig. 11 is a schematic view of an automobile child safety seat provided in an embodiment of the invention when a cushion is in an extended state.
The reference numerals comprise a 1-seat body, a 2-base, a 3-fixing piece, a 4-cushion block, a 41-third spring, a 42-first rotating shaft, a 43-first jack, a 44-second jack, a 5-first unlocking piece, a 51-first spring, a 52-pin shaft, a 6-first bolt, a 7-second sliding groove, an 8-second unlocking piece, a 81-second spring and a 9-second bolt.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
In an embodiment of the present invention, there is provided an automobile child safety seat, as shown in fig. 1, 3, 4 and 6, comprising
A seat body 1 including a backrest;
The base 2 is positioned at the bottom of the seat body 1, and the base 2 is used for connecting an automobile;
A holder 3, the holder 3 being pivotally connected to the base 2, the holder 3 being for fixing a seat belt, the holder 3 having a stored state and an open state, the holder 3 being rotated in a direction approaching the backrest when the holder 3 is shifted from the stored state to the open state;
the automobile child safety seat further comprises
The cushion block 4 is positioned at the bottom of the base 2, a first jack 43 is arranged on the cushion block 4, and the cushion block 4 has a retracted state and an extended state relative to the bottom surface of the base 2;
A first unlocking piece 5, the first unlocking piece 5 is connected with the base 2 through a first spring 51, the first spring 51 is used for enabling the first unlocking piece 5 to tend to press the fixing piece 3, and when the fixing piece 3 is in the storage state, the first unlocking piece 5 is abutted against the fixing piece 3, and when the fixing piece 3 is in the open state, the first unlocking piece 5 is separated from the fixing piece 3;
The first latch 6 is connected to the first unlocking member 5, the first latch 6 is configured to cooperate with the first jack 43 of the cushion block in the retracted state, and when the retainer 3 is shifted from the storage state to the open state, the first unlocking member 5 moves out of the first jack 43 under the restoring force of the first spring 51.
When the cushion block 4 is in an extending state and the automobile child safety seat is fixed with the automobile, if the automobile collides and suddenly stops, the cushion block can prop against a seat steel plate of the automobile seat to block the backrest of the automobile child safety seat from turning forwards, the first plug pin 6 is used for locking the cushion block 4 in the retracting state, and the first unlocking piece 5 can enable the cushion block 4 to be converted into the extending state from the retracting state.
As shown in fig. 2, the child car seat may further include a second latch 9, where the second latch 9 is connected to the base 2 through a second spring 81, the cushion 4 is provided with a second jack 44, and the second latch 9 is configured to mate with the second jack 44 of the cushion in the extended state,
When the cushion block 4 is in the retracted state, the second bolt 9 abuts against the cushion block 4;
when the cushion block 4 is changed from the retracted state to the extended state, the second plug 9 is inserted into the second insertion hole 44 by the restoring force of the second spring 81, and the second plug 9 is used for locking the cushion block 4 in the extended state.
As shown in fig. 5, 7, 10 and 11, the child car seat may further include a second unlocking member 8 connected to the base 2 by a second spring 81, the second latch 9 is connected to the second unlocking member 8, when the pad 4 is shifted from the extended state to the retracted state, the second unlocking member 8 slides relative to the base 2 so that the second latch 9 moves out of the second receptacle 44, and the second unlocking member 8 may shift the pad 4 from the extended state to the retracted state.
As a specific embodiment of the present invention, an end portion of the pad 4 is pivotally connected to the base2 through a first pivot shaft 42, a middle portion of the pad 4 is connected to the base2 through a third spring 41, and the third spring 41 is used to make the pad 4 trend toward the extended state, and the pad may be configured in other manners, such as a closed pneumatic cavity instead of the third spring.
As a specific embodiment of the present invention, a first sliding groove is formed at a first end of the first unlocking member 5, as shown in fig. 3, a pin 52 fixedly connected to the base is disposed in the first sliding groove, the pin slides relative to the first sliding groove, the first unlocking member is disposed along a left-right direction of the base, an included angle is formed between the first sliding groove and the left-right direction, and the first sliding groove includes
A first location, the first location being remote from the first end;
a second location, the second location being proximate the first end;
When the holding member is in the storage state, the second end of the first unlocking member 5 abuts against the holding member 3, the length of the first spring 51 is compressed, the pin 52 is located at the first position, when the holding member 3 is in the open state, the length of the first spring is the original length, the pin is located at the second position, and it should be noted that the first spring is a preferable case, and the purpose of this embodiment can be achieved if the first spring is not the original length.
The first sliding groove has a guiding function and guides the sliding direction of the first unlocking piece, so that the moving direction of the first plug pin 6 is controlled, and the first plug pin can be smoothly inserted into or removed from the first jack.
One end of the first bolt is fixedly connected with the first end of the first unlocking piece, the other end of the first bolt is matched with the first jack, and when the retainer is changed from the storage state to the opening state, the first bolt moves backwards along the front-back direction of the base, so that the other end of the first bolt moves out of the first jack.
As one of the embodiments of the present invention, the bottom surface of the base 2 is provided with a second sliding groove 7, the second unlocking member 8 is locked in the second sliding groove 7 to slide, a part of the second unlocking member 8 is exposed to the bottom surface of the base 2, and the second sliding groove 7 is opened along the front-back direction of the base.
The cushion block is provided with a second jack 44, the first jack 43 and the second jack 44 are arranged on the rear end face of the cushion block 4, and the first rotating shaft 42 is positioned at the front end part of the cushion block 4 and is arranged along the left-right direction of the base 2.
In one embodiment of the present invention, the first insertion hole 43 is closer to the lower portion of the pad 2 than the second insertion hole 44, as shown in fig. 8 and 9.
In a specific embodiment of the present invention, the number of the cushion block, the first unlocking member, the first latch and the second latch is two, so that the cushion block is more stable.
The automobile child safety seat provided by the invention can be operated according to the following method:
When the automobile child safety seat is mounted on the automobile seat and a child sits on the automobile child safety seat, the retainer is pulled to enable the retainer to be changed into an open state from a storage state by using the five-point type safety belt, the first unlocking piece is not blocked by the retainer and slides under the action of restoring force of the first spring, the sliding direction of the first unlocking piece is guided by the first sliding groove to drive the first plug pin to move out of the first jack, the cushion block is ejected out under the action of restoring force of the third spring, the second plug pin is inserted into the second jack under the action of restoring force of the second spring when the cushion block is ejected out to an extending state, and the cushion block is locked in the extending state to protect the child safety;
When the automobile child safety seat is not needed to be used, the automobile child safety seat is taken down from the automobile seat, the second unlocking piece is pressed to enable the second unlocking piece to slide along the second sliding groove, so that the second spring is compressed to enable the second plug pin to move out of the second insertion hole, the cushion block is manually pushed inwards, the retaining piece is pulled down to enable the retaining piece to be converted into a storage state, the retaining piece is extruded to enable the first unlocking piece to be extruded, the first unlocking piece slides under the guide of the first sliding groove to enable the first plug pin to be inserted into the first insertion hole, and the cushion block is locked in the storage state.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.