CN111251956A

CN111251956A - Automobile safety seat

Info

Publication number: CN111251956A
Application number: CN202010194718.4A
Authority: CN
Inventors: 林江娟; 夏环乐
Original assignee: Ningbo Welldon Baby Safety Technology Co ltd
Current assignee: Ningbo Welldon Baby Safety Technology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-06-09

Abstract

The invention discloses an automobile safety seat, which comprises a base, wherein a main beam for installing accessories is arranged in front of the base, the rear end of the main beam is movably connected with the base, and the automobile safety seat is characterized in that: the main beam is characterized in that a locking mechanism at least comprising a driven piece and a driving piece is arranged between the main beam and the base, a spring bolt is arranged on the driven piece and responds to the motion of the driven piece, so that the main beam is limited on the base or reset to the state that the limit between the base and the main beam is removed, a linkage piece is arranged between the driven piece and the driving piece, and the driving piece drives the driven piece through the linkage piece. The invention provides an automobile safety seat, which can realize convenient installation of accessories through the matching of a movable connecting structure and a locking mechanism, and the position of the accessories can be adjusted.

Description

Automobile safety seat

Technical Field

The invention relates to the technical field of safety seats, in particular to an automobile safety seat.

Background

The child car safety seat is designed for children with different weights (or ages) and is installed in a car, so that the riding safety of the children can be effectively improved. The definitions of the european mandatory enforcement standard are: a child safety system comprising a harness assembly or flexible member with an interface, an adjustment mechanism, an accessory, etc., capable of being secured to a motor vehicle. In the event of a car crash or sudden deceleration, the impact force on the child can be reduced and the child's body movement can be restricted to mitigate injury to them.

In the existing automobile safety seat, aiming at partial model products, a supporting accessory is arranged at the front end of the safety seat, and the front end of the safety seat is supported by the supporting accessory which is abutted against the bottom surface in the automobile. However, in the prior art, the supporting accessory is often fixed, so that the packaging, transportation and installation of the safety seat are inconvenient, and the base of the safety seat with the supporting accessory and the base of the safety seat without the supporting accessory cannot be universally used in production and assembly, so that the manufacturing of enterprises is inconvenient, and the universality is poor.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art: the utility model provides a car safety seat, it is through movable connection structure and locking mechanism's cooperation, can realize the easy to assemble of annex, and the position of annex is adjustable.

Therefore, one object of the present invention is to provide a car safety seat, which comprises a base, wherein a main beam for installing accessories is arranged in front of the base, and the rear end of the main beam is movably connected with the base, and the car safety seat is characterized in that: the main beam is characterized in that a locking mechanism at least comprising a driven piece and a driving piece is arranged between the main beam and the base, a spring bolt is arranged on the driven piece and responds to the motion of the driven piece, so that the main beam is limited on the base or reset to the state that the limit between the base and the main beam is removed, a linkage piece is arranged between the driven piece and the driving piece, and the driving piece drives the driven piece through the linkage piece. The main beam and the base are controlled to be limited or reset through linkage of the driving part and the driven part, so that the locking mechanism is simple in structure, the main beam can be well fixed after stretching, and finally the main beam used for mounting accessories on the safety seat is movable and can be locked after movement.

Preferably, a guide rail is arranged in the base, and the main beam is in sliding fit with the base through the guide rail.

Preferably, the driven piece is arranged on the main beam, the base is provided with a slot matched with a lock tongue on the driven piece, and the lock tongue responds to the motion of the driven piece and is inserted into the slot or separated from the slot. The limit between the main beam and the base adopts a lock tongue and a slot to realize fixed connection or reset disconnection, and the structure of the lock tongue and the slot is simple in structure, firm and reliable.

Preferably, the driven member is in rotating fit with the main beam, and the lock tongue is fixedly connected to the driven member and moves circumferentially around the rotation axis of the driven member along with the driven member.

Preferably, the linkage part is of a rod-shaped structure, one end of the linkage part is connected with the driven part, and the other end of the linkage part is connected with the driving part.

Preferably, an accessory is arranged on the main beam, the accessory is movably connected with the main beam, and the movement of the active part is related to the action of the accessory. The movement of the driving part is controlled through the movement of the accessories on the main beam, so that the control of the driving part can be simplified, and the operation process is simple and convenient for operators.

Preferably, the accessory is a supporting rod, the upper end of the supporting rod is hinged with the front end of the main beam, and the movement of the active part is related to the swinging of the supporting rod.

Preferably, the driving part is fixed on the support rod, so that the driving part swings along with the support rod.

Preferably, the driving part is provided with a sliding groove, the sliding groove comprises a first section of sliding groove and a second section of sliding groove, the vertical distance between the first section of sliding groove and the rotating axis of the supporting rod is smaller than the vertical distance between the second section of sliding groove and the rotating axis of the supporting rod, and the end part of the linkage part is inserted into the sliding groove and slides between the first section of sliding groove and the second section of sliding groove along with the swinging of the supporting rod. Through the design of the sliding groove, in the process that the driving part swings along with the main rod, the moving amplitude of the end part, connected with the driving part, of the linkage part in the vertical direction is small, even the linkage part stands still relatively, and the moving amplitude in the horizontal direction is large, so that the horizontal moving quantity of the linkage part is controllable when the driving part rotates by a unit angle, and the control precision can be improved.

Preferably, a guide inclined plane is arranged on one side, facing the front end of the main beam, of the lock tongue, when the lock tongue is inserted into the slot, the guide inclined plane corresponds to a notch of the slot in the horizontal direction, the main beam is provided with a reset torsion spring which drives the driven member and the lock tongue on the driven member to rotate towards the position of the slot, the second section of the sliding slot extends along the radial direction to form a reserved space for the linkage member to move in the radial direction, and the inner wall of the second section of the sliding slot is in smooth transition with the inner wall of the first section of. If only insert the spout of initiative piece with the tip of linkage piece and realize the connection of the two, if make the branch swing then can make the spring bolt stretch out and take place to touch with the slot on the base except that the slot when the removal of girder leads to the spring bolt and the slot on the base not yet can be fine counterpoint, cause the damage from this. And through the design of headspace and direction inclined plane, not only can be fine avoid the linkage piece when the reaction on the active piece with the spout inner wall collision cause the damage, the design on direction inclined plane can make the spring bolt not corresponding with the slot after stretching out in addition under, the in-process spring bolt that the girder pulling can receive the spacing of base and retract automatically, and the spring bolt breaks away from the restraint automatic insertion slot of base when removing to slot position.

Preferably, part or all of the linkage part is composed of a chain or a rope, one end of the linkage part is connected with the driven part, the other end of the linkage part is connected with the driving part, a return spring is arranged between the driven part and the main beam, and the return spring drives the driven part and the lock tongue on the driven part to rotate towards the position of the slot.

Preferably, the support rod is a telescopic rod with adjustable length. Not only can increase branch through the design of telescopic link to give the bigger selection space of strong applicability of strong, the length of reduction branch that telescopic branch can be very big moreover gives accomodating of branch and facilitates.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

The technical scheme has the following advantages or beneficial effects: firstly, through swing joint between girder and the base, can realize the nimble installation of annex on the base, it is stronger than current seat commonality that has fixed annex, secondly, realize spacing and the unblock that resets through the linkage of driving part and follower between girder and the base, this locking mechanism simple structure is reliable.

Drawings

Fig. 1 is a schematic view of the structure of a car safety seat of the present invention.

Fig. 2 is a schematic structural view of the invention of fig. 1 in another direction.

Figure 3 is a schematic half-section view of a car safety seat of the present invention.

Fig. 4 is a schematic view of the structure of the support member portion of the present invention.

Fig. 5 is an exploded view of fig. 4.

Fig. 6 is a partially enlarged view of the region "a" in fig. 5.

Fig. 7 is a schematic structural view of the present invention with the base removed.

Fig. 8 is a partially enlarged view of the region "B" in fig. 7.

Fig. 9-1 to 9-4 are schematic structural views of different working states between the driving member and the linkage member, respectively.

Fig. 10 is a schematic view of a vehicle safety seat of another construction in accordance with the present invention.

The device comprises a base 1, a base 2, a main beam 3, a driven part 4, a driving part 5, a linkage part 6, a bolt 6.1, a guide inclined plane 7, a guide rail 8, a support rod 9, a sliding chute 9.1, a first section of sliding chute 9.2 and a second section of sliding chute;

L₁the vertical distance between the first section of the sliding chute and the rotating axis of the support rod is defined;

L₂the vertical distance between the second section of the sliding groove and the rotating axis of the support rod is indicated.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

A car safety seat according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

The first embodiment is as follows:

in order to enable the car safety seat to be adapted to both situations with and without external accessories, and can make the structure of the safe seat have firm and reliable performance requirements while having external attachment, the invention provides a car safe seat, it includes the base 1 as shown in fig. 1, there is girder 2 used for installing the attachment in front of the base 1, the rear end of the main beam 2 is movably connected with the base 1, a locking mechanism at least consisting of a driven part 3 and a driving part 4 is arranged between the main beam 2 and the base 1, a lock tongue 6 is arranged on the driven part 3, the lock tongue 6 responds to the movement of the driven part 3, so that the main beam 2 is limited on the base 1 or reset to remove the limit between the base 1 and the main beam 2, a linkage piece 5 is arranged between the driven piece 3 and the driving piece 4, and the driving piece 4 drives the driven piece 3 through the linkage piece 5. The main beam 2 can be well positioned after extending out of the base 1 through the locking mechanism, so that the main beam 2 can be used as an installation base of the accessory, the installation of the accessory on the base 1 is completed, and meanwhile, the installation position of the accessory can be far away from the base, which brings additional effect.

When the accessory is a fixed rod-shaped structure such as a support rod, the accessory can support the main beam 2 so as to provide extra support force for the base 1, and the main beam 2 can be telescopic, so that the position of a support point is far away from the base 1, and the support effect is better and stable; simultaneously telescopic girder 2 can make this girder 2 restore to the throne and contract, even hide in base 1 completely for this safety seat can hide girder 2 completely, thereby uses as the safety seat that does not have the annex. Preferably, a groove or a cavity for accommodating accessories can be additionally arranged on the base 1, so that the main beam 2 can be hidden and the accessories can be folded, and the purposes of accommodating and hiding are achieved.

When the accessory is a rope structure such as a binding belt, the accessory can connect the main beam 2 with the vehicle so as to provide extra tension for the base 1, and the main beam 2 can be telescopic, so that the position of a supporting point is far away from the base 1, and the supporting effect is better and more stable; simultaneously telescopic girder 2 can make this girder 2 restore to the throne and contract, even hide in base 1 completely for this safety seat can hide girder 2 completely, thereby uses as the safety seat that does not have the annex. The base 1 can be additionally provided with a groove or a cavity for accommodating accessories, so that the main beam 2 can be hidden and the accessories can be wound or folded, thereby achieving the purposes of accommodating and hiding.

Example two:

the basic structure is the same as the first embodiment, except that: be equipped with guide rail 7 in the base 1, girder 2 passes through guide rail 7 and base 1 sliding fit.

Preferably, the base is provided with a jack for inserting the rear end of the main beam 2, the guide rail is arranged in the jack, and the rear end of the main beam 2 is inserted into the jack and is in sliding fit with the guide rail 7 in the jack.

Preferably, the base 1 includes a frame and a housing, and the guide rail 7 is connected to the frame, thereby improving the strength of the guide rail 7.

The function of the above-mentioned guide rail 2 is to enable the main beam 2 to move on the base 1 in only one dimension, that is, in the same linear direction, so this guide rail 2 in this embodiment should not be limited to be understood as a track mechanism in the prior art, but should be understood as a general term of a mechanism capable of constraining the main beam 2 to move, so that the main beam 2 only moves in one dimension.

Example three:

the basic structure of this embodiment is the same as that of the first embodiment, except that: as shown in fig. 10, the rear end of the main beam 2 is movably connected with the base 1, that is, the rear end of the main beam 2 is rotatably connected with the base 1, so that the main beam 2 can rotate in the horizontal direction, the function of this embodiment is to enable the front end of the main beam 2 to approach the base 1 or depart from the base along with the rotation of the main beam 2, and the front end of the main beam can be provided with an accessory to provide extra support for the base when departing from the base 1 to the farthest end; and the front end to girder 2 rotates to make base 2 and girder 2 reduce along length direction's superimposed size when drawing close with base 1, not only is favorable to packing transportation, and girder 2 that is in this state not only is difficult for causing the interference of using moreover, does not need extra setting to hold the chamber in addition on base 1 and accomodate girder 2, and this is necessary for improving the intensity of base 1 and reducing the processing cost of base 1.

Example four:

the basic structure of this embodiment is the same as that of the embodiment, and the difference is that: the driven part 3 is arranged on the main beam 2, the base 1 is provided with a slot matched with a bolt 6 on the driven part 3, and the bolt 6 responds to the motion of the driven part 3 and is inserted into the slot or separated from the slot. The locking limit and the reset release between the main beam 2 and the base 1 are realized by inserting and separating the slot and the bolt 6, so that the structure is simple, and the structure is firm and reliable.

Specifically, be equipped with the hinge hole on the follower 3, also be equipped with the assorted hinge hole on the girder 2, the hinge hole of this follower 3 aligns with the hinge hole on the girder 2 to link to each other through a pivot, make follower 3 and girder 2 normal running fit from this, spring bolt 6 is fixed in on the follower 3 just spring bolt 6 sets up with the axis interval at pivot place, consequently when follower 3 rotates around the axis of self pivot spring bolt 6 is along circumferential direction.

Preferably, the latch tongue 6 is a separate component, and the separate latch tongue 6 and the driven member 3 are fixedly connected, for example, by welding, bonding, riveting, clamping, or other conventional connection methods. Or detachable connection, for example threaded connection, between solitary spring bolt 6 and follower 3, detachable spring bolt 6 design is favorable to the regulation of spring bolt 6 position, can be better in the assembly process through the position control of spring bolt 6 with the slot cooperation on base 1, detachable spring bolt 6 also is favorable to the change when spring bolt 6 damages simultaneously.

Example five:

in this embodiment, as shown in fig. 5, the linkage member 5 is a rod-shaped structure, two ends of the linkage member 5 are bent to form bent portions, the driven member 3 and the driving member 4 are both provided with connecting holes, and the bent portions at two ends of the linkage member 5 are respectively inserted into the connecting holes of the driven member 3 and the driving member 4, so that the linkage member 5 is connected with the driven member 3 and the driving member 4. The driven member 3 and the driving member 4 are linked by the link member 5.

Example six:

the linkage member 5 in this embodiment is composed of a whole chain or rope, two ends of the linkage member 5 are respectively fixed to the driven member 3 and the driving member 4, a return spring is arranged between the driven member 3 and the main beam 2, and the return spring drives the driven member 3 and the lock tongue 6 on the driven member 3 to rotate towards the position of the slot.

Preferably, the linkage member 5 in this embodiment is composed of a partial chain or rope and two connectors, the two connectors are respectively fixed to the driven member 3 and the driving member 4, the two connectors are connected through the chain or rope, a return spring is arranged between the driven member 3 and the main beam 2, and the return spring drives the driven member 3 and the lock tongue 6 on the driven member 3 to rotate towards the position of the slot.

The reset spring in this embodiment may be a torsion spring installed on the rotating shaft of the driven member 3 itself or a tension spring connected between the driven member 3 and the main beam 2, and two ends of the tension spring are respectively connected with the driven member 3 and the main beam 2, so that the driven member 3 is pulled to rotate towards the direction in which the bolt 6 and the slot are driven to be inserted under the elastic force action of the tension spring.

Example seven:

in this embodiment, the main beam 2 is provided with an external accessory, the accessory is movably connected with the position of the main beam 2 departing from the base 1, and the motion of the active part 4 is related to the motion of the accessory. The movement of the driving part 4 is controlled by the movement of the accessories, and then the insertion or the separation of the bolt 6 on the driven part 3 and the slot on the base 1 is controlled by the linkage between the driving part 4 and the driven part 3. Thus enabling the movement of the attachment to control the positive locking or unlocking between the main beam 2 and the base 1.

Preferably, when the accessory is a supporting rod 8, the upper end of the supporting rod 8 is hinged with the front end of the main beam 2, the movement of the active part 4 is related to the swinging of the supporting rod 8, and the active part 4 is moved by the swinging of the supporting rod 8.

Preferably, when the accessory is a telescopic pull rod, the upper end of the pull rod is a fixed end, the fixed end is fixedly connected with the front end of the main beam 2, the lower end of the pull rod is a free end, the free end can be stretched along the axis direction of the pull rod, a pull rope is arranged in the pull rod, the lower end of the pull rope is fixedly connected with the free end, only a cavity in the pull rod is connected with the active part 4 at the upper end of the pull rope, and the active part 4 moves relative to the main beam 2 by pulling of the pull rope, for example, the active part 4 slides relative to the main beam 2, or the active part 4 rotates relative to.

Example eight:

the basic structure is the same as that of the seventh embodiment, and the difference is that: the accessory is a supporting rod 8, the upper end of the supporting rod 8 is hinged with the front end of the main beam 2, and the driving piece 4 is fixed on the supporting rod 8, so that the driving piece 4 is linked with the supporting rod 8.

Example nine:

the basic structure is the same as that of the eighth embodiment, and the difference is that: in order to enable the driving part 4 to swing along with the main rod 8, the moving amplitude of the end part, connected with the driving part 4, of the linkage part 5 in the vertical direction is small, even the end part is relatively static, and the moving amplitude in the horizontal direction is large, so that the horizontal moving quantity of the linkage part 4 is controllable when the driving part 4 rotates by a unit angle, therefore, for the purpose of improving the control precision, the driving part 4 is provided with a sliding groove 9, the sliding groove 9 comprises a first section sliding groove 9.1 and a second section sliding groove 9.2, and the vertical distance L between the first section sliding groove 9.1 and the rotating axis of the supporting rod 8 is the vertical distance L₁Is less than the vertical distance L between the second section of the sliding chute 9.2 and the rotating axis of the supporting rod 8₂The end of the link 5 is inserted into the sliding slot 9 and slides between the first section of sliding slot 9.1 and the second section of sliding slot 9.2 along with the swing of the strut 8. In this embodiment, the linking member 5 is under the action of the pre-tightening tension of the return spring on the driven member 3, so that the linking member 5 overcomes the sliding friction force between the linking member 5 and the sliding groove 9, and the connecting points at the two ends of the linking member 5 and the central point of the rotation axis of the driving member 4 are on the same straight line, and therefore, as the driving member 4 rotates, the position of the contact point between the linking member 5 and the sliding groove is continuously changed, so that as the contact point between the linking member 5 and the sliding groove 9 slides from the position of the second section of sliding groove 9.2 to the position of the first section of sliding groove 9.1, the vertical distance L between the first section of sliding groove 9.1 and the rotation axis of₁Is less than the vertical distance L between the second section of the sliding chute 9.2 and the rotating axis of the supporting rod 8₂Thus the linkage rod 5 is alongThe length direction of the self-body is drawn close to the position of the driving part 4; otherwise, the linkage rod 5 moves towards the position of the driven part 3 along the length direction thereof under the action of the return spring. Finally, linkage is formed between the swinging of the driving part 4 and the rotation of the driven part.

Example ten:

although the linkage between the driving part 4 and the driven part 3 can be well realized when the structure of the ninth embodiment is adopted to realize the linkage between the driving part 4 and the driven part 3, when the movement of the main beam 2 causes the bolt 6 and the slot on the base 1 to be not well aligned, if the support rod 8 swings, the bolt 6 can be contacted with the portion of the base 1 extending out of the slot, so that damage is caused, and the following improvements are made on the basis of the ninth embodiment based on the embodiment: as shown in fig. 6, a guide inclined surface 6.1 is formed by internally cutting one side of the lock tongue 6 facing the front end of the main beam 2, when the lock tongue 6 is inserted into the slot, the guide inclined surface 6.1 corresponds to the notch of the slot in the horizontal direction, a return spring for driving the driven member 3 and the lock tongue 6 on the driven member 3 to rotate towards the position of the slot is arranged on the main beam 2, the second section of the sliding slot 9.2 extends in the radial direction to form a reserved space for the linkage member 5 to move in the radial direction, and the inner wall of the second section of the sliding slot 9.2 is in smooth transition with the inner wall of the first section of the sliding. When the guide inclined plane 6.1 retracts under the action of the base 1, the driven part 3 drives the linkage part 5 to move towards the position of the driving part 4, and the end part of the linkage part 5 connected with the driving part 4 is positioned in the second section of sliding chute 9.2, so that the linkage part 5 and the inner side wall of the second section of sliding chute 9.2 close to the rotation axis are extruded and collided, and in the embodiment, a reserved space is arranged in the second section of sliding chute 9.2, so that the linkage part 5 can move in the second section of sliding chute 9.2 along the radial direction of the driving part 4 without being limited by the inner wall of the second section of sliding chute 9.2.

Preferably, the second section of the sliding slot 9.2 on the driving member 4 extends to the position of the axis of the rotation of the supporting rod 8 along the radial direction, the vertical distance between the inner side wall of the second section of the sliding slot 9.2 close to the axis of the rotation and the axis of the rotation is less than or equal to the vertical distance between the inner side wall of the first section of the sliding slot 9.1 close to the axis of the rotation and the axis of the rotation, and in another aspect, the width dimension of the second section of the sliding slot 9.2 along the radial direction of the sliding slot 9 is greater than the width dimension of the first section of the.

Example eleven:

the structure is basically the same as that of the eighth embodiment, except that: the annex is branch 8, just branch 8 with for self length adjustable's telescopic link, the upper end of branch 8 is as the stiff end, and this stiff end is articulated with the front end of girder 2, on initiative piece 4 was fixed in the fixed end of branch 8, the lower extreme of branch 8 was the end that freely stretches out and draws back, and the axial stretch of branch 8 can be followed to this end that freely stretches out and draws back.

The invention provides a car safety seat with the base, which comprises a bearing frame arranged on the base 1, wherein the rear end of the base is provided with a connecting piece used for being detachably assembled with a fixed seat on a vehicle, so that the base 1 of the child car safety seat can be well fixed on a seat on the rear row of the vehicle. The front end of the base 1 is provided with a movable main beam 2, one end of the main beam 2 is fixedly connected with the base 1, the main beam 2 can be used for installing accessories, the external accessories can be connected with a safety lock catch in a vehicle or abut against the surface in the vehicle, no matter which accessory is, the purpose of the accessory is to provide extra safety support for the front end of the base 1, and the base 1 of the automobile safety seat disclosed by the invention is more favorable for obtaining the tensile force support of a connecting piece at the rear end of the base 1 and the support of the accessories on the main beam 2 when the vehicle collides, so that the safety performance of the automobile safety seat is improved compared with the existing safety seat which is installed only through the lock catch of the connecting piece. Especially for safety seats which are partly pivotable to enable the carrier to be oriented adjustably, the support of the main beam 2 to the base 1 is more important than the tightening of the connecting members to the base 1, when the safety seat is arranged in a position in which it is adapted to a young child, with the centre of gravity of the carrier directed rearwards, because the centre of gravity of the carrier is closer to the front end of the base 1.

It should be noted that, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Various alterations and modifications will no doubt become apparent to those skilled in the art after having read the above description. Therefore, the appended claims should be construed to cover all such variations and modifications as fall within the true spirit and scope of the invention. Any and all equivalent ranges and contents within the scope of the claims should be considered to be within the intent and scope of the present invention.

Claims

1. The utility model provides an automobile safety seat, it includes base (1), its characterized in that: the place ahead of base (1) is equipped with girder (2) that are used for installing the annex, the rear end and base (1) swing joint of girder (2), be equipped with the locking mechanism who comprises follower (3) and driving part (4) at least between girder (2) and base (1), be equipped with spring bolt (6) on follower (3), the motion of spring bolt (6) response follower (3) to make girder (2) spacing on base (1) or reset to removing the spacing between base (1) and girder (2), be equipped with linkage (5) between follower (3) and driving part (4), driving part (4) are through linkage (5) drive follower (3).

2. The car safety seat according to claim 1, wherein: be equipped with guide rail (7) in base (1), girder (2) pass through guide rail (7) and base (1) sliding fit.

3. The car safety seat according to claim 1 or 2, characterized in that: the driven member (3) is arranged on the main beam (2), a slot matched with a lock tongue (6) on the driven member (3) is formed in the base (1), and the lock tongue (6) responds to the movement of the driven member (3) and is inserted into the slot or is separated from the slot.

4. The car safety seat according to claim 3, wherein: the driven piece (3) is in rotating fit with the main beam (2), and the lock tongue (6) is fixed on the driven piece (3).

5. The car safety seat according to any one of claims 4, wherein: the linkage piece (5) is of a rod-shaped structure, and two ends of the linkage piece (5) are respectively connected with the driven piece (3) and the driving piece (4).

6. The car safety seat according to any one of claims 5, wherein: the attachment on the main beam (2) is movably connected with the main beam (2), and the movement of the active part (4) is related to the action of the attachment.

7. The car safety seat according to claim 6, wherein: the accessory is a supporting rod (8), the upper end of the supporting rod (8) is hinged with the front end of the main beam (2), and the motion of the driving piece (4) is related to the swing of the supporting rod (8).

8. The car safety seat according to claim 7, wherein: the driving piece (4) is fixed on the support rod (8) so that the driving piece (4) is linked with the support rod (8).

9. The car safety seat according to claim 8, wherein: be equipped with spout (9) on drive piece (4), spout (9) are including first section spout (9.1) and second section spout (9.2), vertical distance L between first section spout (9.1) and branch (8) pivoted axis₁Is less than the vertical distance L between the second section of the sliding chute (9.2) and the rotating axis of the supporting rod (8)₂The end part of the linkage piece (5) is inserted into the sliding groove (9) and slides between the first section of sliding groove (9.1) and the second section of sliding groove (9.2) along with the swinging of the support rod (8).

10. The car safety seat according to claim 9, wherein: the main beam is characterized in that a guide inclined plane (6.1) is arranged on one side, facing the front end of the main beam (2), of the lock tongue (6), when the lock tongue (6) is inserted into the slot, the guide inclined plane (6.1) corresponds to a notch of the slot in the horizontal direction, a reset torsion spring for driving the driven piece (3) and the lock tongue (6) on the driven piece (3) to rotate towards the position of the slot is arranged on the main beam (2), a reserved space for radial movement of the linkage piece (5) is formed by radial extension of the second section of sliding groove (9.2), and the inner wall of the second section of sliding groove (9.2) is in smooth transition with the inner wall of the first section of sliding groove (9..

11. The car safety seat according to claim 4, wherein: the part or the whole of the linkage piece (5) is composed of a chain or a rope, two ends of the linkage piece (5) are respectively connected with the driven piece (3) and the driving piece (4), a reset spring is arranged between the driven piece (3) and the main beam (2), and the reset spring drives the driven piece (3) and the lock tongue (6) on the driven piece (3) to rotate towards the position of the slot.

12. The car safety seat according to any one of claims 6 to 10, wherein: the support rod (8) is a telescopic rod with adjustable length.