TW202246081A - Child safety seat, and supporting assembly thereof - Google Patents

Abstract

Disclosed are a child safety seat and a supporting assembly thereof. The supporting assembly is applicable to be mounted onto a base of a child safety seat, and includes at least one load leg bracket. The base is applicable to mount with a seat body of the child safety seat. The at least one load leg bracket is connected to the base and extends obliquely upward and forward with respect to a bottom surface of the base. The at least one load leg bracket is configured to mount a load leg. The at least one load leg bracket is provided with an abutting element configured to abut against a housing of the seat body.

Description

Child safety seats and their support components

The invention relates to the field of child safety seats, in particular to a child safety seat and a supporting component thereof.

The child safety seat is usually configured on the seat of the vehicle, and is used to protect the child seated in the child safety seat from impact or other sudden changes in motion (such as sudden deceleration).

According to different functions and applicable ages, child safety seats include infant car seats, child safety seats fixedly connected to the base, and child seats rotatably connected to the base. The child safety seat fixedly connected to the base is usually fixed on the vehicle seat in a forward-facing manner, which is more suitable for older children; while the child safety seat rotatably connected to the base can conveniently provide It is more suitable for younger children to ride. The child safety seat can be supported on the seat in the vehicle through the corresponding base, and the ISOFIX plug configured on the base can be plugged into the ISOFIX socket of the vehicle seat to fix the front, rear and left and right positions of the child safety seat. In addition, the rear end of the base is provided with a support bracket, which is used to abut against the backrest of the vehicle seat, so as to prevent the child safety seat from falling backwards. The front end of the base is usually equipped with a supporting leg, and the length of the supporting leg is usually adjustable for abutting against the floor in the vehicle, so as to prevent the child safety seat from tipping forward.

The purpose of the present invention is to provide a technical solution that can further improve the anti-overturning capability of the child safety seat, so as to provide better protection for children in the child safety seat.

In one aspect, the present invention provides a support assembly for mounting to a base of a child safety seat, the base for mounting a seat body of the child safety seat. The supporting assembly includes at least one supporting leg bracket, the supporting leg bracket is connected to the base and extends obliquely upward relative to a bottom surface of the base, the supporting leg bracket is used for installing a supporting leg, and the supporting leg bracket is provided with a An abutting element of a shell of the body.

Preferably, the abutting element is made of a buffer material capable of buffering; and/or, the abutting element has a contact surface for contacting with the housing, and a plurality of first protrusions are arranged on the contact surface and/or, the abutment element is installed on the upper end of the corresponding supporting leg bracket.

Preferably, each first protruding portion extends transversely, and these first protruding portions are arranged longitudinally along the contact surface in sequence.

Preferably, the cross-section of each first protruding portion is arc-shaped, trapezoidal, triangular or rectangular.

Preferably, the cross-sections of these first protruding parts are in a continuous first wave shape or a first tooth shape.

Preferably, the supporting leg bracket is arc-shaped; and/or, there are two supporting leg brackets, these supporting leg brackets are arranged approximately symmetrically with respect to a longitudinal center plane of the base, and each supporting leg bracket is provided with abutment element.

Preferably, each abutting element has a contact surface for contacting with the housing and is inclined relative to the longitudinal center plane; and/or, each abutting element is respectively located at the upper end of the corresponding supporting leg bracket.

Preferably, the support assembly further includes a support leg, the upper end of the support leg is pivotally connected to the upper end of the support leg bracket, and the pivot angle of the support leg is limited by an angle limiting device.

Preferably, the angle limiting device includes a webbing, the webbing can be tensioned and both ends are adapted to be connected to the base, and the middle part of the webbing is wound around the middle part of the supporting leg.

Preferably, both ends of the webbing are suitable for being hooked to the two hooks of the base respectively; and/or, a slot is provided in the middle of the supporting leg, and the slot is used for accommodating the webbing.

Preferably, the supporting legs include a leg and a crossbeam, the crossbeam is located at the upper end of the leg, and the two ends of the crossbeam are respectively connected to the upper ends of these supporting leg brackets through a connecting piece; wherein, the upper ends of each supporting leg bracket are respectively passed through A second pin is pivotally connected to the corresponding connecting piece, and the two ends of the beam are pivotally connected to the corresponding connecting piece through a first pin respectively, and the first pin and the second pin are parallel to each other.

Preferably, the base includes a base frame and a support seat, the support seat is located in the middle of the base frame and has a center of rotation, the support seat is used to install the seat body, and the seat body can rotate around the center of rotation; wherein, the support seat There is a first locking structure, the first locking structure is used to limit a rotation position of the seat body, and the supporting leg bracket is connected to the base frame.

In the support assembly provided by the present invention, by arranging the abutment element on the support leg bracket, the support leg can directly or indirectly support the shell of the child safety seat through the abutment element, which can effectively improve the forward resistance of the child safety seat. The ability to tip over, thereby providing better protection for children in the child safety seat.

On the other hand, the present invention also provides a child safety seat, which includes a base and a seat body. The base is equipped with a supporting leg bracket, and the supporting leg bracket is equipped with a supporting leg; the seat body is rotatably installed on the base and has a shell, and the shell has at least one pressing portion, and the pressing portion is used to connect with the supporting leg bracket or the supporting leg An abutting element abuts against each other.

Preferably, the seat body is detachably mounted on the base.

Preferably, the seat body includes a backrest part, and the pressing part is located on the shell of the backrest part.

Preferably, the pressing portion extends longitudinally along the surface of the shell, and the shell forms a limiting recess above the pressing portion, and the limiting recess is used to engage with the abutting element to limit the forward tilting movement of the shell.

Preferably, the pressing portion smoothly transitions to the limiting recess.

Preferably, the pressing portion has a contact surface for contacting with the abutting element, and the contact surface is provided with a plurality of second protrusions.

Preferably, the pressing portion extends longitudinally along the surface of the casing, each second protrusion extends transversely respectively, and these second protrusions are sequentially arranged longitudinally along the contact surface.

Preferably, the cross-section of each second protruding portion is arc-shaped, trapezoidal, triangular or rectangular.

Preferably, the cross-sections of the second protrusions are in a continuous second wave shape or a second tooth shape.

Preferably, the seat body is rotatably mounted on the base, the seat body is provided with a second locking structure, and the second locking structure is used to lock a rotational position of the seat body.

Preferably, the second locking structure includes a button, an elastic element and a locking pin. The button has a locking position and an unlocking position on the moving path; the elastic element is used to keep the button at the locking position; the locking pin is operatively connected to the button to lock or unlock the seat body.

Preferably, the seat body includes a lock pin fixing seat, the lock pin fixing seat is provided with a sleeve, the axial direction of the sleeve is perpendicular to the moving direction of the button, the sleeve has a hole wall, and the hole wall is provided with a An extended first guide hole; wherein, the lock pin is slidably sleeved in the sleeve and has a first guide column protruding from the first guide hole; wherein, the button is provided with a second guide hole, the second The guide hole extends obliquely relative to the moving direction of the button, and the first guide post extends into the second guide hole and is slidably fitted with the second guide hole; wherein, when the button is switched between the locked position and the unlocked position, through When the first guide post cooperates with the first guide hole and the second guide hole, the lock pin can be extended to lock the seat body or retracted to unlock the seat body.

Preferably, the button has an accommodating recess for accommodating the sleeve, the elastic element is a spring and is installed between the side wall of the accommodating recess and the outer wall of the sleeve; and/or, the button is provided with a third As for the guide hole, the extension direction of the third guide hole is parallel to the moving direction of the button, and the locking pin fixing seat is provided with a protrusion extending into the third guide hole.

In the child safety seat provided by the present invention, by setting abutment elements on the supporting leg bracket or the supporting legs, and correspondingly setting abutting parts on the outer shell of the seat body, the supporting legs can be directly or indirectly abutted through the abutting elements. It leans against the pressing part, thereby providing auxiliary anti-tilt support for the shell of the seat body, which can effectively improve the anti-tipping ability of the child safety seat, and provide better safety for children in the child safety seat. Protect.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail together with the accompanying drawings.

1 to 4 show views of an embodiment of a child safety seat of the present invention, a child safety seat 100 includes a support assembly 1A according to an embodiment of the present invention and a child safety seat according to an embodiment of the present invention A seat body 2A of the chair 100 will be described together with the support assembly 1A and the seat body 2A.

Please refer to FIG. 2 , the child safety seat 100 includes a base 11 , and the support assembly 1A is suitable for the base 11 . The base 11 is used to be placed on a vehicle seat (not shown in the figure) and used to install the seat body 2A of the child safety seat 100 . In some embodiments, the base 11 can be fixedly connected with the seat body 2A. In some embodiments, the base 11 may be rotatably connected to the seat body 2A. In some embodiments, the base 11 is detachably connected to the seat body 2A.

The support assembly 1A includes at least one support leg bracket 111 . Each supporting leg bracket 111 is connected to the base 11 and is disposed near the front end of the base 11 , for example. The support assembly 1A may further include a support leg 16 for being mounted to the support leg bracket 111 , and the lower end of the support leg 16 is for abutting against the floor of the vehicle interior. The base 11 may include a backrest bracket 112 disposed at the rear, and the abutment bracket 112 is inclined upward and rearward relative to the bottom surface of the base 11 for abutting against the backrest of the vehicle seat. An ISOFIX plug 118 can also be mounted on the rear end of the base 11 to be engaged with the ISOFIX socket of the vehicle seat.

It should be noted that, unless otherwise specified, orientation terms such as "front", "rear", "left", "right", "upper" and "lower" in this embodiment are the same as the "front" of the vehicle. , "Back", "Left", "Right", "Up", "Down" correspond to directions, these orientation terms are only used to make the description of the embodiment of the present invention clearer, and are not used to inappropriately affect the scope of protection of the present invention. limited.

In the embodiment in which the base 11 is rotatably connected to the seat body 2A, the seat body 2A can be mounted forwardly or reversely on the base 11, and FIG. 1 shows that the seat body 2A is reversely installed on the base 11 From the perspective view above, it can be understood that the face of the child sitting on the seat body 2A installed in reverse is facing backward.

Please refer to FIG. 1, FIG. 6 to FIG. 8 together. In some embodiments, the base 11 may include a base frame 11a and a support seat 11b. The base frame 11a may be mainly made of metal pipes and plates, but the present invention does not It is not limited thereto, and other materials such as plastic, plastic steel or alloy are also within the protection scope of the present invention. The supporting seat 11b can be made of hard plastic, for example. The abutment bracket 112 and the support leg bracket 111 may be connected to the bottom frame 11a. The supporting base 11b is disposed in the middle of the base frame 11a, and is used to be relatively rotatably connected with the seat body 2A. That is, the support base 11b functions as a turntable and has a rotation center R-R around which the seat body 2A is rotatable. In addition, the support seat 11b may have a first locking structure 110 (refer to FIG. 8 ) for limiting the rotational position of the seat body 2A, and a locking structure 110 (refer to FIG. 8 ) for limiting the rotational position of the seat body 2A may be provided on the seat body 2A. A second locking structure 23 (refer to FIG. 11 ), through engaging or disengaging the first locking structure 110 and the second locking structure 23 , can lock or unlock the rotational position of the seat body 2A. The first locking structure 110 and the second locking structure 23 can cooperate to form a locking device for locking the rotational position of the seat body 2A, examples of which will be described in detail below.

Please refer to FIG. 2 to FIG. 4, FIG. 6 and FIG. 7. In some embodiments, the supporting leg bracket 111 extends obliquely upward relative to the bottom surface of the base 11, and the supporting leg bracket 111 can be provided with a seat for abutting against the seat body. An abutment element 12 of the housing 21 of 2A. The supporting leg bracket 111 may extend forward and upward relative to the bottom surface of the base 11 so as to come into abutting contact with the shell 21 of the seat body 2A and engage with the supporting leg 16 . In some embodiments, the supporting leg bracket 111 is, for example, arc-shaped or other suitable shapes. It can be known from related technologies that the seat body 2A usually has a relatively hard outer shell 21, the inner cavity of the outer shell 21 is provided with elastic fillers, and the surface of the fillers used to contact with the child's body is usually covered with fabric. Please refer to Fig. 3, when the vehicle brakes suddenly due to an accident, the seat body 2A will tip forward along the direction of the arrow F under the action of inertial force, and the movement of the supporting leg bracket 111 is restricted by the supporting leg 16, so The abutting element 12 can abut against the housing 21 closely. At this time, the supporting legs 16 indirectly support the shell 21 of the seat body 2A through the supporting leg bracket 111 and the abutment element 12, which can effectively prevent the forward tilting movement of the seat body 2A, thereby better protecting the seat body 2A. of children.

Please refer to FIG. 6 to FIG. 9 , in some embodiments, the connecting position of the supporting leg 16 and the supporting leg bracket 111 is adjacent to the abutting element 12, which is beneficial to transfer the supporting force of the supporting leg 16 to the abutting element 12 at a close distance. , providing a good auxiliary support effect for the shell 21 . For example, the supporting leg 16 can be connected to the upper end of the supporting leg bracket 111 , and the abutting element 12 can be disposed on the upper end of the supporting leg bracket 111 .

1, FIG. 2, FIG. 6 and FIG. 7, in some embodiments, the base 11 of the support assembly 1A can be configured with two support leg brackets 111, and these support leg brackets 111 are relative to a longitudinal center plane of the base 11. S is arranged approximately symmetrically, and these supporting leg brackets 111 are respectively mounted with abutment elements 12 . For example, the abutment elements 12 are respectively mounted on the upper ends of the corresponding support leg brackets 111 . In some embodiments, in order to further improve the structure, the supporting leg 16 may include a leg 161 and a beam 162 located at the upper end of the leg 161 , and the upper end of the leg 161 is connected to the middle of the beam 162 . Both ends of the beam 162 can be pivotally connected to the upper ends of the two supporting leg brackets 111 . The legs 161 and the beam 162 are welded together or integrally formed, for example, and the legs 161 are, for example, telescopic legs. Thereby, by adjusting the length and pivoting angle of the supporting legs 16, the supporting legs 16 can be in a normal use state, thereby effectively preventing the child safety seat from tilting forward. Certainly, in some other embodiments, the legs 161 may also be fixed-length legs.

In some embodiments, the abutting element 12 can be made of a buffer material capable of buffering, so that the abutting element 12 also has a shock-absorbing effect. For example, the abutment element 12 may be made of hytrel, thermoplastic elastomer (TPE) or any other suitable material. In some embodiments, the contact surface of the abutment element 12 for contacting the shell 21 of the seat body 2A may be provided with a plurality of first protrusions 121, and the first protrusions 121 are used to increase the contact surface between the abutment element 12 and the shell 21. the friction between them. In some embodiments, the shape of the contact surface of the abutment element 12 is adapted to the surface shape of the housing 21 .

2 and 3 again, in some embodiments, the seat body 2A is rotatably mounted on the base 11, and the shell 21 of the seat body 2A has at least one pressing portion 22, and each pressing portion 22 is used for and The abutment element 12 on the support leg bracket 111 abuts against each other. It can be understood that when the vehicle brakes suddenly, the part of the housing 21 that is used to abut against the abutting element 12 will be subjected to relatively large pressure. In this way, the pressing portion 22 can be a structure specially arranged on the housing 21 and corresponding to the abutting element 12, so as to locally enhance the structural strength of the housing 21 and prevent the housing 21 from suddenly increasing pressure from the abutting element 12. burst.

It can be understood that the seat body 2A is fixed to the vehicle seat in a forward-facing or reverse-facing manner in a normal use state. Therefore, in some unshown embodiments, a pressing portion may be provided on the shell 21 of the seat portion 21a of the seat body 2A, so as to adapt the seat body 2A to be fixed on the vehicle seat in a forward-facing manner. situation above. Referring to FIG. 2 , in some embodiments, at least one pressing portion 22 may be provided on the shell 21 of the backrest portion 21b of the seat body 2A, the pressing portion 22 is provided in a one-to-one correspondence with the abutting element 12, for example, to Adapt to the situation where the child safety seat is fixed on the vehicle seat in the way of reverse installation.

In some embodiments, a plurality of second protrusions 221 are provided on the contact surface of the pressing portion 22 for contacting the abutting element 12 , and these second protrusions 221 are used to increase the contact between the pressing portion 22 and the abutting element 12 . the friction between them. In some embodiments, the first protruding portion 121 and the second protruding portion 221 can be engaged in a concave-convex manner, for example, so as to better limit the forward tilting movement of the seat body 2A when the vehicle suddenly brakes.

Exemplary implementations of the pressing portion 22 , the first protruding portion 121 and the second protruding portion 221 are shown in this embodiment. Referring to FIGS. 5 and 8 together, each first protrusion 121 extends transversely on the corresponding abutment element 12 respectively, and these first protrusions 121 are longitudinally along the contact surface of the abutment element 12 (see FIG. 3 ). The direction indicated by the arrow H) is arranged in sequence. The cross section of each first protruding portion 121 may be arc-shaped, trapezoidal, triangular or rectangular. Referring to FIG. 2 and FIG. 5 together, each pressing portion 22 generally extends longitudinally along the surface of the housing 21, and each second protrusion 221 extends transversely on the corresponding pressing portion 22 respectively, and these second protrusions 221 are sequentially arranged longitudinally along the contact surface of the pressing portion 22 . In some embodiments, the cross section of each second protruding portion 221 may be arc-shaped, trapezoidal, triangular or rectangular.

Referring to FIG. 5 , in some embodiments, the cross-section of the first protrusions 121 can be in a continuous first wave shape or a first tooth shape or other suitable shapes, while the cross-section of the second protrusions 221 can be in a continuous A second wave shape or a second tooth shape or other suitable shape. Thereby, the plurality of first protrusions 121 and the plurality of second protrusions 221 can be engaged with each other in a fitted manner, and when the vehicle suddenly brakes, the plurality of first protrusions 121 and the plurality of second protrusions 221 will rub against each other. , can play the role of buffering and limiting the forward tilt of the shell 21.

Referring again to FIG. 2 and FIG. 3 , in some embodiments, the pressing portion 22 is located at the shell 21 of the backrest portion 21b, and the shell 21 of the backrest portion 21b may form a limiting recess 210 above the pressing portion 22 . For example, when the sudden braking of the vehicle causes the outer shell 21 to tilt forward to a certain position along the direction of the arrow F, the further forward tilting movement of the outer shell 21 can be effectively restricted through the engagement of the limiting concave portion 210 and the abutment element 12, thereby ensuring that the seat Children inside the main body 2A are safe to ride. In some embodiments, the pressing portion 22 smoothly transitions to the limiting concave portion 210 .

Referring to FIG. 1 and FIG. 8 together, in some embodiments, the contact surfaces of the abutment elements 12 on the two support leg brackets 111 for abutting contact with the abutting portion 22 of the housing 21 are all relative to the longitudinal center plane S tilt. Thereby, when the two abutting elements 12 abut against the abutting portion 22 of the shell 21, since the first protruding portions 121 and the second protruding portions 221 extend laterally, the seat body 2A is subjected to torque When the force is applied, it can still move left and right, so that the user can still conveniently adjust the installation direction of the seat body 2A according to needs.

Referring to Fig. 6, in some embodiments, an angle limiting device for limiting the pivoting angle of the supporting leg 16 is provided between the base 11 and the supporting leg 16, and the angle limiting device can effectively prevent the supporting leg 16 from malfunctioning when in use. The desired pivoting results in a failure of the support of the supporting legs 16 . There are many implementations of the angle limiting device. For example, in some embodiments, the angle limiting device may include a webbing 131 that can be tensioned. In the middle part of the leg 16, the ribbon 131 can be tensioned by adjusting the length of the ribbon 131 itself. In some embodiments, to facilitate the installation of the webbing 131 , two hook bodies 103 may be provided on the base 11 , and two ends of the webbing 131 may be hooked on the hooks 103 respectively. In some embodiments, the middle part of the leg 161 of the support leg 16 can be provided with a slot 160 for accommodating the webbing 131 , so as to prevent the webbing 131 from undesirably sliding along the leg 161 of the support leg 16 and affect the webbing 131 tension effect.

Referring to FIG. 6 , FIG. 7 and FIG. 9 , in some embodiments, both ends of the beam 162 at the upper end of the supporting leg 16 are connected to the upper ends of the two supporting leg brackets 111 through a connecting piece 14 respectively. Wherein, the upper end of each supporting leg bracket 111 is pivotally connected to the corresponding connector 14 through a second pin shaft 142, and the two ends of the beam 162 are respectively pivotally connected to the connector 14 through a first pin shaft 141, and the first pin The shaft 141 and the second pin shaft 142 are parallel to each other. Thereby, in the non-use state, the supporting legs 16 can be folded toward the base 11 to reduce the volume and facilitate transportation.

Referring to FIG. 8 , FIG. 11 and FIG. 12 together, exemplary embodiments of the first locking structure 110 and the second locking structure 23 are shown in the figures. The first locking structure 110 is, for example, a locking hole formed on the support base 11b. It can be understood that the second locking structure 23 correspondingly includes a retractable locking pin 233, and the locking pin 233 is extended by operating the locking pin 233. Inserting into the locking hole, the rotatable seat body 2A can be locked, for example, in the state of being mounted on the vehicle seat forwardly or in the state of being installed in the reverse direction on the vehicle seat. When the locking pin 233 withdraws from the locking hole, the seat body 2A can rotate around the rotation center R-R to change its position.

Referring to FIG. 11 and FIG. 12 again, in some embodiments, the second locking structure 23 may include a button 231 , an elastic element 232 and the aforementioned locking pin 233 . The button 231 can be pressed so as to have a locked position and an unlocked position on its moving path; the elastic element 232 is used to keep the button 231 in the locked position; the locking pin 233 is operably connected with the button 231 to be able to lock Lock or unlock the seat body 2A. For example, when the button 231 is pressed, the button 231 moves from the locked position to the unlocked position, and the driving lock pin 233 is withdrawn from the locking hole to unlock the seat body 2A; The button 231 automatically moves from the unlocked position to the locked position under the action of the elastic element 232, and at the same time can drive the locking pin 233 to extend into the locking hole to lock the seat body 2A.

Referring to FIG. 11 and FIG. 12 , in some embodiments, the seat body 2A may include a lock pin fixing base 24 , and the lock pin fixing base 24 is fixedly connected to the seat body 2A, for example. The locking pin fixing seat 24 can be provided with a sleeve 241 , the axial direction of the sleeve 241 is substantially perpendicular to the moving direction M of the button 231 , and the hole wall of the sleeve 241 is provided with a first guide hole 2410 extending axially. The locking pin 233 is slidably sleeved in the sleeve 241 , and the locking pin 233 has a first guiding post 2331 protruding from the first guiding hole 2410 . The button 231 may be provided with a second guide hole 2312 , the second guide hole 2312 extends obliquely relative to the moving direction M of the button 231 , and the inclination angle of the second guide hole 2312 is related to the stroke of the button 231 . The first guide post 2331 of the locking pin 233 extends into the second guide hole 2312 and is slidably engaged with the second guide hole 2312 . When the button 231 is switched between the locked position and the unlocked position, through the cooperation of the first guide post 2331 with the first guide hole 2410 and the second guide hole 2312, the lock pin 233 can slide out along the sleeve 241 Or retract to lock the seat body 2A or unlock the seat body 2A.

In some embodiments, the button 231 may have a receiving recess 2310 for receiving the sleeve 241 , the elastic element 232 may be a spring and installed between the side wall 2311 of the receiving recess 2310 and the outer wall of the sleeve 241 . For example, the outer wall of the sleeve 241 can be provided with a boss 243 for being sleeved in the first end of the spring, and the side wall 2311 can be provided with a boss for being sleeved in the second end of the spring (Fig. not shown), these two bosses can be used to locate the position of the spring.

In some embodiments, the button 231 can also be provided with a third guide hole 2313, the extension direction of the third guide hole 2313 is parallel to the moving direction M of the button 231, and the lock pin fixing seat 24 is provided with a hole extending into the third guide hole 2313. There is a protrusion 242 in it, and the protrusion 242 is slidingly matched with the third guide hole 2313 for guiding the movement of the button 231 .

It should be noted that although the abutment element 12 in the above-mentioned embodiment is described as being set on the support leg bracket 111 as an example, in some unshown embodiments, the abutment element 12 can also be set on the support leg 16 . For example, the support leg bracket 111 may not be inclined upwards, but the middle part of the support leg 16 is connected with the support leg bracket 111, for example, through the beam 162, so that the upper end of the support leg 16 is close to the pressing portion 22 of the housing 21, and the abutment element 12 is arranged The upper end of the supporting leg 16 is used to abut against the pressing portion 22 of the housing 21 , so that the supporting leg 16 can directly support the pressing portion 22 of the housing 21 through the abutting element 12 . If there is no conflict, the features of the abutting element 12 and the pressing portion 22 can refer to the examples in the above embodiments, for example, the abutting element 12 can be made of a buffer material that can play a buffering role. Exemplarily, the middle part of the support leg 16 is pivotally connected with the support leg bracket 111, and the upper end of the support leg 16 can be stretched and retracted relative to the extension direction of the support leg 16, so that the extended state or retraction of the upper end of the support leg 16 can be freely selected. state, so that the abutting element 12 can assist in supporting the housing 21 or not assist in supporting the housing 21 .

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be noted that for those skilled in the technical field of the present invention, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the patent for the present invention should be subject to the scope of the appended patent application.

100: Child Safety Seat 1A: Support assembly 111: supporting leg bracket 11: base 103: hook body 112: against the bracket 118: ISOFIX plug 11a: Base frame 11b: Support seat 110: the first locking structure 12: Against the component 121: first protrusion 131: Ribbon 14:Connector 141: the first pin shaft 142: the second pin shaft 16: Supporting legs 160: card slot 161: legs 162: Beam 2A: Seat body 21: shell 210: limiting recess 21a: Seat part 21b: Backrest part 22: Resisting part 221: second protrusion 23: The second locking structure 231: button 2310: accommodating recess 2311: side wall 2312: Second guide hole 2313: The third guide hole 232: elastic element 233: lock pin 2331: The first guide column 24: Lock pin fixing seat 241: Sleeve 2410: the first guide hole 242: Bump 243: convex column B: area C-C: Profile F: arrow H: Arrow M: direction of movement R-R: center of rotation S: Longitudinal center plane

FIG. 1 is a front perspective schematic view of an embodiment of the installation structure of the child safety seat of the present invention. Fig. 2 is a rear perspective schematic view of an embodiment of the installation structure of the child safety seat of the present invention. Fig. 3 is a schematic side view of an embodiment of the installation structure of the child safety seat of the present invention. FIG. 4 is a schematic sectional view C-C of the installation structure of the child safety seat shown in FIG. 2 . FIG. 5 is an enlarged schematic view of area B in FIG. 4 . FIG. 6 is a schematic perspective view of an embodiment of the support assembly of the present invention in use. 7 is a perspective view of a base frame and supporting legs of an embodiment of the supporting assembly of the present invention. FIG. 8 is a schematic top perspective view of an embodiment of the support assembly of the present invention in use. FIG. 9 is a three-dimensional schematic view of the support assembly shown in FIG. 6 and FIG. 8 in a transport state. Fig. 10 is a rear perspective schematic view of an embodiment of the child safety seat of the present invention. Fig. 11 is a schematic perspective view of a second locking structure of an embodiment of the child safety seat of the present invention. FIG. 12 is a schematic perspective view of some components of the second locking structure of an embodiment of the child safety seat of the present invention.

100:Safety seat

1A: Support assembly

111: supporting leg bracket

11: Base

118: ISOFIX plug

12: Against the component

131: Ribbon

16: Supporting legs

160: card slot

161: legs

162: Beam

2A: Seat body

21: Shell

210: limiting recess

21a: Seat part

21b: Backrest part

22: Resisting part

221: second protrusion

231: button

C-C: Profile

Claims (25)

A support assembly for mounting to a base of a child safety seat, the base for mounting a seat body of the child safety seat, the support assembly includes at least one support leg bracket, the at least one support leg bracket is connected to On the base and extending obliquely upward relative to a bottom surface of the base, the at least one supporting leg bracket is used to install a supporting leg, and the at least one supporting leg bracket is provided with a shell for leaning against the seat body of an abutting element. The support assembly of claim 1, wherein: The abutting element is made of a buffer material capable of buffering; And/or, the abutting element has a contact surface, the contact surface is used to contact the housing, and the contact surface is provided with a plurality of first protrusions; And/or, the abutting element is installed on the corresponding upper end of the at least one supporting leg bracket. The support assembly as claimed in claim 2, wherein each of the first protrusions extends transversely, and the plurality of first protrusions are arranged longitudinally along the contact surface in sequence. The support assembly according to claim 3, wherein the cross-section of each of the first protrusions is arc-shaped, trapezoidal, triangular or rectangular. The support assembly as claimed in claim 3, wherein the cross-sections of the plurality of first protrusions are continuous first waves or teeth. The support assembly of claim 1, wherein: The at least one supporting leg bracket is arc-shaped; And/or, there are two at least one supporting leg bracket, the two supporting leg brackets are arranged approximately symmetrically with respect to a longitudinal center plane of the base, and each of the supporting leg brackets is provided with the abutting element. The support assembly as claimed in item 6, wherein each of the abutting elements has a contact surface, each of which is used to contact the housing and is inclined relative to the longitudinal center plane; And/or, each of the abutting elements is respectively located at the upper end of the corresponding support leg bracket. The supporting assembly according to claim 6, further comprising the supporting leg, the upper end of the supporting leg is pivotally connected to the upper ends of the two supporting leg brackets, and the pivoting angle of the supporting leg is limited by an angle limiting device. The support assembly as claimed in claim 8, wherein the angle limiting device comprises a webbing, the webbing can be tensioned and both ends of the webbing are adapted to be connected to the base, and the middle part of the webbing is wound around the middle part of the supporting leg. The support assembly as claimed in item 9, wherein the two ends of the ribbon are adapted to be respectively hooked to the two hooks of the base; And/or, a card slot is provided in the middle of the supporting leg, and the card slot is used to accommodate the ribbon. The support assembly as claimed in item 8, wherein the support leg includes a leg and a crossbeam, the crossbeam is located at the upper end of the leg, and the two ends of the crossbeam and the upper ends of the two support leg brackets respectively pass through a connecting piece connect; Wherein, the upper end of each supporting leg bracket is respectively pivotally connected to the corresponding connecting piece through a second pin shaft, and the two ends of the beam are respectively pivotally connected to the corresponding connecting piece through a first pin shaft, and the first The pin axis and the second pin axis are parallel to each other. The supporting assembly according to any one of claims 1-11, wherein the base includes a base frame and a support base, the support base is located in the middle of the base frame and has a center of rotation, and the support base is used to install the a seat body, and the seat body can rotate around the rotation center; Wherein, the supporting seat has a first locking structure, the first locking structure is used to limit a rotational position of the seat body, and the at least one supporting leg bracket is connected to the base frame. A child safety seat, comprising: a base mounted with a support leg bracket mounted with a support leg; and A seat body, which is rotatably mounted on the base and has a shell, and the shell has at least one pressing portion, and the at least one pressing portion is used to interact with the supporting leg bracket or an abutting element on the supporting leg against. The child safety seat as claimed in claim 13, wherein the seat body is detachably mounted on the base. The child safety seat as claimed in claim 13, wherein the seat body includes a back portion, and the pressing portion is located on the shell of the back portion. The child safety seat according to any one of claims 13-15, wherein the at least one pressing portion extends longitudinally along the surface of the shell, and the shell forms a limiting recess above the pressing portion, And the limiting recess is used to engage with the abutting element to limit the forward tilting movement of the housing. The child safety seat according to claim 16, wherein the pressing portion smoothly transitions to the limiting recess. The child safety seat as claimed in any one of claims 13-15, wherein the at least one pressing portion has a contact surface for contacting the abutting element, and the contact surface is provided with a plurality of second protrusion. The child safety seat as claimed in claim 18, wherein the at least one pressing portion extends longitudinally along the surface of the shell, each of the second protrusions extends transversely, and the plurality of second protrusions are on the longitudinally arranged sequentially along the contact surface. The child safety seat according to claim 18, wherein the cross-section of each of the second protrusions is arc-shaped, trapezoidal, triangular or rectangular. The child safety seat as claimed in claim 18, wherein the cross-sections of the plurality of second protrusions are in a continuous second wave shape or a second tooth shape. The child safety seat according to any one of claims 13-15, wherein the seat body is rotatably mounted on the base, the seat body is provided with a second locking structure, and the second locking structure It is used to lock a rotational position of the seat body. The child safety seat as claimed in claim 22, wherein the second locking structure comprises: A button has a locked position and an unlocked position on its moving path; a resilient element for maintaining the button in the locked position; and A lock pin is operatively connected to the button to lock or unlock the seat body. The child safety seat as claimed in item 23, wherein the seat body includes a locking pin fixing seat, and the locking pin fixing seat is provided with a sleeve, the axial direction of the sleeve is perpendicular to the moving direction of the button, and the sleeve The barrel has a hole wall, and the hole wall is provided with a first guide hole extending along the axial direction; Wherein, the lock pin is slidably sleeved in the sleeve and has a first guide column protruding from the first guide hole; Wherein, the button is provided with a second guide hole, and the second guide hole extends obliquely relative to the moving direction of the button, and the first guide column extends into the second guide hole and is slidably fitted with the second guide hole ; Wherein, when the button is switched between the locked position and the unlocked position, through the cooperation of the first guide column with the first guide hole and the second guide hole, the lock pin can be stretched out to lock the The seat body is retracted to unlock the seat body. The child safety seat as claimed in item 24, wherein the button has an accommodating recess for accommodating the sleeve, the elastic element is a spring and is installed on the side wall of the accommodating recess and the sleeve between the outer walls of the cylinder; And/or, the button is provided with a third guide hole, the extension direction of the third guide hole is parallel to the moving direction of the button, and the locking pin fixing seat is provided with a protrusion extending into the third guide hole .

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