CN114228579A

CN114228579A - Rotatable folding safety seat

Info

Publication number: CN114228579A
Application number: CN202111284446.8A
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: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-25
Anticipated expiration: 2041-11-01
Also published as: CN114228579B

Abstract

The invention discloses a safety seat capable of being rotatably folded, which comprises: the seat base is used for installing a seat cushion and comprises a base support; the seat backrest is used for installing a seat cushion and comprises a backrest bracket, the backrest bracket is hinged with the base bracket so that the backrest bracket can move to a first position and a second position relative to the base bracket, and when the backrest bracket is in the first position, the seat base and the seat backrest are in a relatively folded state; and the locking mechanism is arranged at the joint of the seat base and the seat backrest and used for locking and positioning the base support and the backrest support so as to enable the backrest support to be positioned at the second position. The invention can improve the convenience of the safety seat.

Description

Rotatable folding safety seat

Technical Field

The invention relates to the technical field of safety seats, in particular to a safety seat capable of being rotated and folded.

Background

The safety seat is specially designed for children, and gives consideration to various factors such as automobile impact experiments, children injury medical research, material mechanics, ergonomics, children psychology and the like so as to achieve the best use performance. In the event of a car crash or sudden deceleration, the child safety seat can reduce the impact force on the child, limiting the child's body movement, and thereby mitigating injury to them.

The backrest and the base of the safety seat in the prior art are relatively fixed, the backrest and the base cannot be adjusted, and the whole occupied space of the safety seat is large when the safety seat needs to be stored, so that the safety seat is inconvenient to use.

Disclosure of Invention

The invention provides a safety seat capable of being rotatably folded, which can improve the use convenience of the safety seat.

In order to solve the above technical problem, the present invention provides a safety seat that is rotatably foldable, including:

the seat base is used for installing a seat cushion and comprises a base support;

the seat backrest is used for installing a seat cushion and comprises a backrest bracket, the backrest bracket is hinged with the base bracket so that the backrest bracket can move to a first position and a second position relative to the base bracket, and when the backrest bracket is in the first position, the seat base and the seat backrest are in a relatively folded state;

and the locking mechanism is arranged at the joint of the seat base and the seat backrest and used for locking and positioning the base support and the backrest support so as to enable the backrest support to be positioned at the second position.

Preferably, as for the above technical solution, the locking mechanism includes a movable insertion tongue and a positioning member, the backrest support is provided with an accommodating opening, the movable insertion tongue is movably disposed in the accommodating opening, the positioning member is mounted on the seat base, the positioning member is provided with an insertion opening, and when the backrest support is in the second position, the accommodating opening and the insertion opening are aligned with each other so that the movable insertion tongue can enter the insertion opening.

Preferably, the safety seat further comprises a headrest, a headrest mounting bracket is movably arranged on the backrest bracket, and the headrest is arranged on the headrest mounting bracket.

As above-mentioned technical scheme's preferred, be provided with a plurality of bayonets on the headrest installing support along its direction of height, safety seat still includes the rotation driving subassembly, the rotation driving subassembly rotate set up in on the backrest support, the rotation driving subassembly is at least including stirring the part, stir the part with bayonet 1023 corresponds the setting so that the rotation driving subassembly can stretch into under the rotation state bayonet 1023, stir the part for deviating the rotation center pin setting of rotation driving subassembly.

Preferably, as to the above technical solution, the toggle part includes a first toggle part and a second toggle part, the first toggle part and the second toggle part are symmetrically disposed along a central axis of the rotation driving assembly, the plurality of bayonets are disposed at equal intervals, and an interval between the first toggle part and the second toggle part corresponds to an interval between every two adjacent bayonets 1023, so that the rotation driving assembly in a rotation state can simultaneously position the first toggle part and the second toggle part in the two adjacent bayonets 1023.

Preferably, the upper surface of the bayonet is provided with a limiting step, and the limiting step is used for contacting with the first toggle part and the second toggle part.

Preferably, side guard plates are arranged on two sides of the seat back, each side guard plate comprises a first guard plate and a second guard plate, the first guard plate is located on the inner side of the second guard plate, the second guard plate is connected with the back support in a relatively positioned mode, the first guard plate and the second guard plate are movably arranged relatively, so that the first guard plate can move upwards to a first set position relative to the second guard plate, the first guard plate can also move downwards to a second set position relative to the second guard plate, and when the first guard plate is located at the first set position, the upper portion of the first guard plate extends out of the upper end of the second guard plate.

Preferably, in the above aspect, the safety seat further includes an elastic operation mechanism that elastically applies force to the first cover.

Preferably, as the above technical scheme, the seat base further comprises a fixed support, a first sliding groove and a second sliding groove which are located on a vertical plane are arranged on the fixed support, the first sliding groove is arranged along an oblique direction, a set distance is arranged between the first sliding groove and the second sliding groove, a plurality of positioning bayonets are arranged in the second sliding groove along the length direction of the second sliding groove, a first sliding rod and a second sliding rod are fixedly arranged on the base support, the first sliding rod is movably arranged in the first sliding groove, the second sliding rod is movably arranged in the second sliding groove, and the second sliding rod can enter the positioning bayonets.

Preferably as above-mentioned technical scheme, be provided with guide structure and hasp on the seat base, safety seat still includes coiler and safety belt, the safety belt wears to locate guide structure and with the coiler is connected, be provided with the spring bolt on the safety belt, the spring bolt with the hasp cooperation.

The invention provides a rotary folding safety seat, which comprises a seat base, a seat back and a locking mechanism, wherein a soft seat cushion and a soft seat back cushion are respectively arranged on the seat base and the seat back, the seat base is provided with at least one base bracket, the seat back is provided with at least one back bracket, the base bracket and the back bracket are hinged, so that the back bracket can move between a first position and a second position relative to the base bracket, when the back bracket moves to the first position, the seat base and the seat back are folded, when the back bracket is at the second position, the seat base and the seat back are unfolded to be used for a child to sit, the locking mechanism is used for locking and positioning the seat base and the seat back, particularly, the locking mechanism locks and positions the back bracket at the second position, the rotatable folding safety seat can unfold the seat base and the seat back for use in the actual use process, and can fold the seat base and the seat back for storage when not in use, so that the rotatable folding safety seat has better use convenience.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

FIG. 1 is a schematic diagram illustrating an external view of a safety seat capable of being rotatably folded according to an embodiment of the present invention;

FIG. 2 is a schematic view showing the internal structure of a safety seat capable of being rotatably folded according to an embodiment of the present invention;

FIG. 3 shows a schematic view of the structure of a seat back in an embodiment of the invention;

FIG. 4 shows a schematic view of a seat back at another angle in an embodiment of the present invention;

FIG. 5 is a schematic view showing a connection structure of a back bracket and a base bracket according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a locking mechanism in a locked state in an embodiment of the present invention;

FIG. 7 shows an exploded perspective view of a locking mechanism in an embodiment of the invention;

FIG. 8 is a schematic perspective view of a movable tongue of an embodiment of the present invention;

FIG. 9 is a schematic view showing the mounting structure of the rotary drive assembly in the embodiment of the present invention;

FIG. 10 is a schematic view illustrating a connection structure of a headrest and a headrest mounting bracket according to an embodiment of the present invention;

FIG. 11 shows an enlarged schematic view at A in FIG. 10;

FIG. 12 illustrates a perspective view of a rotary drive assembly in an embodiment of the present invention;

FIG. 13 shows a perspective view of an intermediate shaft in an embodiment of the present invention;

FIG. 14 is a schematic view showing a connecting structure of a first shield and a second shield in the embodiment of the present invention;

FIG. 15 is a schematic perspective view of a spacing mechanism in an embodiment of the invention;

FIG. 16 is a perspective view of a guide mechanism in an embodiment of the invention;

FIG. 17 shows a schematic view of the seat base in an embodiment of the invention;

fig. 18 is a schematic view showing a coupling structure of a lower case of a base in an embodiment of the present invention;

FIG. 19 is a schematic view showing a coupling structure of the base bracket and the fixing bracket in the embodiment of the present invention;

fig. 20 is a schematic view showing a connection structure of the connection sleeve and the fixed bracket in the embodiment of the invention;

FIG. 21 is a schematic view showing a mounting structure of a link mechanism in the embodiment of the invention;

FIG. 22 is a schematic view showing the connection structure of the driving mechanism and the linkage mechanism in the embodiment of the present invention;

FIG. 23 is a perspective view of a base support in an embodiment of the invention;

FIG. 24 is a perspective view of a mounting bracket according to an embodiment of the invention;

in the figure: 10. a seat back; 20. a seat base; 30. a headrest; 40. a side guard plate; 50. an elastic action mechanism; 60. a guide structure; 70. a retractor; 80. a rotary drive assembly; 90. a seat belt; 100. a limiting mechanism; 110. a locking mechanism; 101. a backrest support; 102. a headrest mounting bracket; 103. a movable backrest; 1001. a first stopper; 1002. a second bump; 1003. a first bump; 1004. a second limiting block; 1005. pressing a plate; 1101. a movable insertion tongue; 1102. a positioning member; 1103. a guide member; 1104. positioning a rod; 1105. a guide groove; 1106. positioning blocks; 1107. an elastic member; 1108. mounting a fixing hole; 1109. a mounting member; 1110. an accommodation opening; 1111. a limiting hole; 1121. mounting a through hole; 1131. a hook portion; 1141. an arcuate surface; 1112. the hook is opened; 1122. inserting the opening; 1119. a guide opening; 1021. a convex strip; 1022. a tooth-shaped portion; 1023. a bayonet; 1024. a first arc surface; 1025. a second arc surface 1025; 1026. a limiting step; 401. a first guard plate; 402. a second guard plate; 501. a movable connecting member; 502. a second hinge shaft; 503. a first torsion spring; 504. a second torsion spring; 505. a first hinge shaft; 601. a guide bracket; 602. reinforcing ribs; 603. a guide limit plate; 604. an arcuate surface; 605. a guide bayonet; 800. a toggle component; 801. a knob; 802. a connecting shaft; 803. a first disc; 804. a second disc; 805. an intermediate shaft; 806. a first toggle member; 807. a second toggle part; 808. connecting blocks; 809. a flat head; 810. a flat opening; 201. mounting a bracket; 202. installing a shaft; 210. a base upper shell; 220. a lower base shell; 230. a backrest support; 240. mounting a bracket; 250. a base support; 260. connecting sleeves; 270. a first slide bar; 280. an adjustment member; 290. a third slide bar; 2100. a second slide bar; 2110. pulling the belt; 2120. a connecting buckle; 212. a linkage mechanism; 213. a drive mechanism; 214. locking and positioning the mechanism; 215. an elastic member; 2301. a first plate; 2302. a second plate; 2303. a bending part; 2304. a first plate body; 2305. a second plate body; 2401. a second opening; 2501. a vertical plate; 2502. a third chute; 2503. positioning the bayonet; 2504. a second chute; 2505. a first chute; 2506. a base plate; 2507. accommodating grooves; 2121. a first linkage rod; 2122. a linkage sliding column; 2123. a second linkage chute; 2124. a second linkage rod; 2125. a third linkage chute; 2126. a first linkage chute; 2131. a sliding post; 2132. a movable plate; 2141. a movable block; 2142. an oblique groove; 2143. a movable guide post; 2144. and a tongue insertion part.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, an embodiment of the present invention provides a safety seat that is rotatably foldable, including:

a seat base 20 for mounting a seat cushion, the seat base 20 including a base bracket 230;

a seat back 10 for mounting a seat cushion, wherein the seat back 10 comprises a back bracket 101, the back bracket 101 is hinged with a base bracket 230 so that the back bracket 101 can move to a first position and a second position relative to the base bracket 230, and when the back bracket 101 is in the first position, the seat base 20 and the seat back 10 are in a relatively folded state;

and the locking mechanism 110 is arranged at the joint of the seat base 20 and the seat back 10, and the locking mechanism 110 is used for locking and positioning the base bracket 230 and the back bracket 101 so as to enable the back bracket 101 to be positioned at the second position.

The present embodiment provides a safety seat capable of being rotatably folded, which comprises a seat base 20, a seat back 10 and a locking mechanism 110, wherein a soft seat cushion and a soft seat cushion are respectively mounted on the seat base 20 and the seat back 10, the seat base 20 has at least one base bracket 230, the seat back 10 has at least one back bracket 101, the base bracket 230 and the back bracket 101 are hinged, so that the back bracket 101 can move between a first position and a second position relative to the base bracket 230, when the back bracket 101 moves to the first position, the seat base 20 and the seat back 10 are folded, when the back bracket 101 is in the second position, the seat base 20 and the seat back 10 are unfolded to allow a child to sit, and the locking mechanism 110 is used for locking and positioning the seat base 20 and the seat back 10, specifically, the locking mechanism 110 locks the backrest bracket to be positioned at the second position, and the seat base 20 and the seat back 10 can be unfolded for use during actual use and folded for storage between the seat base 20 and the seat back 10 when not needed, so that the rotatable folding safety seat of the embodiment has better convenience in use.

Referring to fig. 5 to 8, in a further alternative embodiment of the present embodiment, the locking mechanism 110 includes a movable tongue 1101 and a positioning member 1102, the backrest frame 101 is provided with an accommodating opening 1110, the movable tongue 1101 is movably disposed in the accommodating opening 1110, the positioning member 1102 is mounted on the seat base 20, the positioning member 1102 is provided with an inserting opening 1122, and when the backrest frame 230 is in the second position, the accommodating opening 1110 and the inserting opening 1122 are aligned with each other so that the movable tongue 1101 can enter the inserting opening 1122.

The movable tongue 1101 of the present embodiment is movably disposed, and can extend into and extend out of the movable receiving opening 1110, when the movable tongue 1101 moves upward and enters the receiving opening 1110, the locking mechanism 110 can release the locking state, and when the backrest support 101 rotates to the second position, the movable tongue 1101 extends out of the receiving opening 1110 and enters the inserting opening 1122, so that the movable tongue 1101 and the positioning member 1102 cannot move relative to each other.

Also, the base bracket 230 in this embodiment extends upward, the base bracket 230 is provided with a mounting shaft 202, and the back bracket 101 is rotatably mounted on the mounting shaft 202.

In a further implementation manner of the present embodiment, the movable insertion tongue 1101 is provided with a hook portion 1131, the positioning member 1102 is provided with a hook opening 1112, and the hook portion 1131 is hooked in the hook opening 1112 in a state where the movable insertion tongue 1101 is inserted into the insertion opening 1122.

The hook 1131 in this embodiment is hooked in the hook opening 1112 in the use state, so that the movable insertion tongue 1101 can be prevented from being separated from the insertion opening 1122 in the impact state, the strength of the safety seat can be improved, and the safety performance of the safety seat can be further improved.

Specifically, the positioning member 1102 in this embodiment is a rectangular sleeve structure, the insertion opening 1122 is an inner hole of the rectangular sleeve, and the hook opening 1112 is provided at a lower end of the rectangular sleeve.

In a further embodiment of this embodiment, the locking mechanism 110 further comprises an elastic member 1107, a first end of the elastic member 1107 is connected to the movable tongue 1101, and the other end of the elastic member 1107 is connected to the backrest frame 101.

The elastic member 1107 in this embodiment can elastically act on the movable tongue 1101, which can prevent the movable tongue 1101 from being disengaged from the insertion opening 1122, and which can also facilitate the movable tongue 1101 to protrude from the receiving opening 1110.

In a further embodiment of this embodiment, the locking mechanism 110 further comprises a guiding member 1103, the guiding member 1103 is disposed on the movable tongue 1101, a guiding groove 1105 is disposed on the backrest support 101 along the length direction thereof, and the guiding member 1103 is movably disposed in the guiding groove 1105.

The guiding member 1103 and the guiding groove 1105 in this embodiment cooperate to provide a guiding function, so that the movable tongue 1101 is more stable during the moving process.

In a further embodiment of this embodiment, the backrest support 101 is a square long tube, the receiving opening 1110 is an inner hole of the square long tube, and the movable tongue 1101 is disposed in the inner hole of the square long tube.

The backrest support 101 in this embodiment is a square long tube, which not only reduces the weight of the overall structure, but also makes the overall structure simpler.

In a further embodiment of this embodiment, the locking mechanism 110 further includes a positioning block 1106 and a positioning rod 1104, the positioning rod 1104 is fixed to the positioning block 1106, the positioning block 1106 is located in the receiving opening 1110, the positioning rod 1104 is fixed to the backrest support 101, and the elastic member 1107 is connected to the positioning block 1106.

In this embodiment, the positioning of the elastic member 1107 is realized by the positioning rod 1104 and the positioning block 1106, which not only makes the mounting structure of the elastic member 1107 simpler, but also makes the structure of the elastic member 1107 more stable.

Specifically, the elastic member 1107 in this embodiment is a spring, the back bracket 101 in this embodiment is provided with a mounting hole 1108, the mounting hole 1108 penetrates the back bracket 101, the stay 1104 is disposed in the mounting hole 1108, the stay 1104 is positioned above the elastic member 1107, and both ends of the stay 1104 are provided with caps, by which the stay 1104 is prevented from being detached from the mounting hole 1108.

The top of the movable tongue 1101 is provided with a limiting hole 1111, the lower end of the spring is located in the limiting hole 1111, the limiting hole 1111 can facilitate installation and connection of the spring, in addition, the limiting hole 1111 can also facilitate stress of the movable tongue 1101, and the moving stability of the movable tongue 1101 is improved.

In a further embodiment of this embodiment, the guide slot 1105 is a kidney-shaped through hole disposed along the length direction of the backrest support 101, and the guide member 1103 is a guide rod disposed in the kidney-shaped through hole.

Specifically, the movable tongue 1101 in the present embodiment is provided with an installation through hole 1121, the guide rod is inserted through the installation through hole 1121, and the guide rod is located in the kidney-shaped through hole.

The shape and structure of the guide member 1103 and the guide groove 1105 in this embodiment make the guide structure thereof simpler and the guide is more stable.

In a further implementation manner of this embodiment, the locking mechanism 110 further includes a mounting component 1109, the mounting component 1109 is provided with a mounting opening, and the positioning component 1102 is provided in the mounting opening.

The installation component 1109 in this embodiment is fixed on the safety seat base, the positioning component 1102 is provided with an installation opening, and the positioning component 1102 is fixedly arranged in the installation opening, and the installation convenience of the positioning component 1102 can be improved by the arrangement of the installation component 1109 in this embodiment, and in addition, compared with the traditional fixing modes such as welding, the installation component 1109 in this embodiment can improve the connection strength and improve the safety performance of the safety seat.

In a further embodiment of this embodiment, the top of the mounting member 1109 corresponds to the top of the positioning member 1102, the mounting member 1109 is provided with a guiding opening 1119, and the bottom of the guiding opening 1119 is a slope.

The guide opening 1119 in the present embodiment may be provided to facilitate the insertion of the movable insertion tongue 1101 into the insertion opening 1122.

Specifically, the top of the mounting member 1109 in this embodiment is aligned with the top of the positioning member 1102, and the guide opening 1119 is located on the other side from the hook opening 1112.

In a further alternative embodiment of this embodiment, the lower end of movable tongue 1101 is an arcuate surface 1141.

The arc surface 1141 at the lower end of the movable insertion tongue 1101 in this embodiment can be matched with the guide opening 1119, so that the movable insertion tongue 1101 can be conveniently inserted into the insertion opening 1122.

Referring to fig. 9 to 13, in a further embodiment of the present embodiment, the safety seat further includes a headrest 30, a headrest mounting bracket 102 is movably disposed on the backrest bracket 101, and the headrest 30 is disposed on the headrest mounting bracket 102.

The headrest mounting bracket 102 is movably arranged on the headrest mounting bracket 102 in the embodiment, so that the headrest mounting bracket 102 can move along the height direction, the headrest 30 in the embodiment can also move up and down relative to the backrest bracket 101, the headrest 30 can be adjusted as required, and the use convenience is improved.

In a further implementation manner of this embodiment, a plurality of bayonets 1023 are disposed on the headrest mounting bracket 102 along the height direction thereof, the safety seat further includes the rotation driving assembly 80, the rotation driving assembly 80 is rotatably disposed on the backrest bracket 101, the rotation driving assembly 80 at least includes a toggle part 800, the toggle part 800 and the bayonet 1023 are correspondingly disposed so that the rotation driving assembly 80 can extend into the bayonet 1023 in a rotation state, and the toggle part 800 is disposed to deviate from the rotation central axis of the rotation driving assembly 80.

In a further implementation manner of this embodiment, the toggle member 800 includes a first toggle member 806 and a second toggle member 807, the first toggle member 806 and the second toggle member 807 are symmetrically disposed along a central axis of the rotation driving assembly 80, the plurality of bayonets 1023 are disposed at equal intervals, an interval between the first toggle member 806 and the second toggle member 807 corresponds to an interval between every two adjacent bayonets 1023, so that the first toggle member 806 and the second toggle member 807 can be simultaneously located in two adjacent bayonets 1023 in a rotation state of the rotation driving assembly 80.

When the safety seat headrest 30 is driven to move upwards, the second toggle part 807 can enter into another bayonet 1023 adjacent to the first toggle part 806 when the first toggle part 806 is not disengaged from the bayonet 1023, so that the whole working process of the whole rotation driving safety seat headrest 30 is more stable, and in addition, the whole rotation driving safety seat headrest 30 can be effectively prevented from falling downwards due to gravity in the process of driving the safety seat headrest 30 to move upwards.

In this embodiment, the bayonet 1023 is parallel to the central axis of the rotation driving assembly 80, and the first toggle member 806 and the second toggle member 807 are parallel to the central axis of the rotation driving assembly 80.

In a further possible implementation of this embodiment the upper surface of the bayonet 1023 is provided with a limiting step 1026, the limiting step 1026 being adapted to be in contact with the first toggle member 806 and the second toggle member 807.

First toggle part 806 and second toggle part 807 in this embodiment cooperate with the spacing step that sets up in two adjacent bayonets 1023, can prevent that safe headrest 30 from leading to its downstream when receiving decurrent effort, specifically speaking, it realizes the auto-lock of activity downwards through spacing step 1026, only can drive headrest installing support 102 to remove under the circumstances that first toggle part 806 and second toggle part 807 rotated, moreover, adopt spacing step and first toggle part 806 and second toggle part 807 to cooperate the realization location in this embodiment, its spacing structure is simple, and it need not extra operation through the auto-lock is spacing, can promote the convenience of use.

In a further implementation manner of the present embodiment, the rotation driving assembly 80 includes a knob 801 and a rotating shaft assembly, the toggle member 800 is disposed on the rotating shaft assembly, and an end of the rotating shaft assembly is detachably connected with the knob 801.

The rotary driving assembly 80 in the embodiment comprises a knob 801, the rotary shaft assembly is driven to rotate through the knob 801, the adjustment is more labor-saving, in addition, the end part of the rotary shaft assembly is detachably connected with the knob 801, the installation and the disassembly can be convenient, and the replacement can be convenient in the use process.

In a further alternative embodiment of this embodiment, the shaft assembly includes an intermediate shaft 805 and a connecting shaft 802, the connecting shaft 802 being removably connected to the intermediate shaft 805.

The connecting shaft 802 and the intermediate shaft 805 in this embodiment are detachably connected, so that the rotating shaft assembly can be conveniently mounted and dismounted, and can be conveniently replaced and maintained in the using process.

In a further implementation manner of this embodiment, a first disk 803 and a second disk 804 are respectively disposed at two ends of an intermediate shaft 805, the first disk 803 is connected to the intermediate shaft 805, the second disk 804 is disposed in parallel with the first disk 803, two ends of a first toggle member 806 and a second toggle member 807 are respectively connected to the first disk 803 and the second disk 804, and a connecting shaft 802 is detachably connected to the second disk 804.

The first disc 803 and the second disc 804 in this embodiment can facilitate the arrangement of the first toggle member 806 and the second toggle member 807, the first disc 803 and the second disc 804 are coaxially arranged with the rotation center axis of the rotation driving assembly 80, the first toggle member 806 and the second toggle member 807 are symmetrically arranged with the rotation center axis and deviate from the rotation center axis, and this structure enables the first toggle member 806 and the second toggle member 807 to have a gap, which can prevent interference in the rotation process, so that the working process thereof can be smoother.

In a further implementation manner of this embodiment, the first toggle member 806 and the second toggle member 807 are cylindrical, the bottom of the bayonets 1023 is provided with a first arc surface 1024, a tooth-shaped portion 1022 is arranged between every two adjacent bayonets 1023, and the top of the tooth-shaped portion 1022 is provided with a second arc surface 1025.

First toggle component 806 and second toggle component 807 in this embodiment are cylindrical in shape to the setting of first arc 1024 and second arc 1025 can be convenient for first toggle component 806 and second toggle component 807 to stretch into bayonet 1023, and be convenient for first toggle component 806 and second toggle component 807 to toggle the removal that drives headrest installing support 102.

Moreover, the tooth 1022 in this embodiment may extend into the gap between the first toggle member 806 and the second toggle member 807, which may make the force applied to the headrest mounting bracket 102 more stable during the process of driving the headrest mounting bracket to move, thereby improving the stability of adjustment.

In a further implementation manner of this embodiment, the headrest mounting bracket 102 is provided with a protruding strip 1021 along the height direction, and the plurality of bayonets 1023 are disposed on the protruding strip 1021 at equal intervals.

In addition, the width of the protruding strip 1021 corresponds to the distance between the first disk 803 and the second disk 804, and when the device is installed, the protruding strip 1021 is positioned between the first disk 803 and the second disk 804, so that the structural stability can be improved.

In a further implementation manner of the present embodiment, a connection block 808 is disposed on the second disk 804, a flat opening 810 is disposed on the connection block 808, a flat head 809 is disposed at an end of the connection shaft 802, and the flat head 809 is inserted into the flat opening 810.

The flat head 809 in this embodiment is inserted into the flat opening 810, which can facilitate the installation and setting of the connecting shaft 802, and in addition, it can facilitate the connecting shaft 802 to drive the intermediate shaft 805 to rotate.

Referring to fig. 1 and 14, in a further alternative embodiment of the present embodiment, side guards 40 are provided on two sides of the seat back 10, each side guard 40 includes a first guard 401 and a second guard 402, the first guard 401 is located inside the second guard 402, the second guard 402 is connected to the back bracket 101 in a relative positioning manner, the first guard 401 and the second guard 402 are movably disposed relative to each other so that the first guard 401 can move upward to a first setting position relative to the second guard 402, the first guard 401 can also move downward to a second setting position relative to the second guard 402, and when the first guard 401 is in the first setting position, an upper portion of the first guard 401 protrudes from an upper end of the second guard 402.

The side guard plate 40 of the present embodiment is disposed on both sides of the seat back 10, the side guard plate 40 extends forward for protecting children, the side guard plate 40 includes a first guard plate 401 and a second guard plate 402, the first guard plate 401 is located inside the second guard plate 402, and the second guard plate 402 is connected to the back support 101 in a relative positioning manner, so that the second guard plate 402 cannot move relative to the back support 101, and the first guard plate 401 is movably disposed relative to the second guard plate 402, so that the first guard plate 401 can move upward to a first setting position relative to the second guard plate 402, and the first guard plate 401 can also move downward to a second setting position relative to the second guard plate 402, in a state that the first guard plate 401 is at the first setting position, an upper portion of the first guard plate 401 protrudes from an upper end of the second guard plate 402, the first guard plate 401 of the present embodiment can be adjusted between the first setting position and the second setting position, when needs adjust (like under the higher condition of children's height), make first backplate 401 move upwards for second backplate 402 and make the length of whole side-guard plate 40 increase in order to satisfy the demand when children's height is higher, make the length of whole side-guard plate 40 reduce in order to satisfy the demand of the lower children of height when first backplate 401 moves down, in addition, when first backplate 401 moves up, the distance between two second backplate 402 is bigger for the distance between two first backplate 401, it can also adjust the space that is used for holding children, consequently, the safety seat of this embodiment can satisfy the side direction protection demand of different height size children.

In a further embodiment of the present embodiment, the safety seat further includes an elastic action mechanism 50, and the elastic action mechanism 50 elastically acts on the first guard plate 401.

The first protection board 401 in this embodiment is connected to the elastic action mechanism 50, and the elastic action mechanism 50 can provide an outward elastic force to the first protection board 401, so that in the process of the upward movement of the first protection board 401 in this embodiment, especially after the upper portion of the first protection board 401 extends out of the second protection board 402, the first protection board 401 is unfolded outward under the elastic force of the elastic action mechanism 50, so as to improve the whole accommodating space, specifically, the whole body size of the child is relatively large when the child is relatively long, and the space occupied by the upper portion of the human body is generally larger than that occupied by the lower portion, therefore, the first protection board 401 in this embodiment can be more fitted with the human body under the action of the elastic action mechanism 50, so as to improve the comfort and convenience of use, and further, in the process of the downward movement of the first protection board 401, due to the second protection board 402 arranged outside thereof, the second shield 402 acts on the first shield 401 so that it is maintained in the original shape.

Specifically, the elastic operation mechanism 50 in the present embodiment is connected to the upper portion of the first protector plate 401.

In a further embodiment of the present embodiment, the elastic action mechanism 50 includes a first hinge shaft 505 and a first torsion spring 503, the first guard plate 401 is hinged with respect to the backrest support 101 through the first hinge shaft 505, the first torsion spring 503 is disposed on the first hinge shaft 505, and the first torsion spring 503 elastically acts on the first guard plate 401.

The elastic action mechanism 50 in this embodiment is not only simple in structure, but also the first guard plate 401 is hinged, so that the force required for the outward opening of the first guard plate 401 is smaller, which is more beneficial to the outward opening of the first guard plate 401, and the deformation amount of the elastic deformation of the first guard plate 401 can be reduced, thereby further prolonging the service life of the first guard plate 401.

In a further implementation manner of the embodiment, the safety seat further includes a movable backrest 103, the movable backrest 103 is movably connected to the backrest support 101, the elastic action mechanism 50 further includes a movable connection member 501, a second hinge shaft 502 and a second torsion spring 504, the first shield 401 is hinged to the movable connection member 501 through the first hinge shaft 505, a first end of the first torsion spring 503 is elastically acted on the movable connection member 501, and the other end is elastically acted on the first shield 401, the movable connection member 501 is hinged to the movable backrest 103 through the second hinge shaft 502, the second torsion spring 504 is installed on the second hinge shaft 502, a first end of the second torsion spring 504 is elastically acted on the movable backrest 103, and the other end is elastically acted on the movable connection member 501.

In this embodiment, the arrangement of the second hinge shaft 502 and the second torsion spring 504 not only can enlarge the whole extension space of the first fender 401, but also the movement of the first fender 401 is more free, so that the deformation amount of the elastic deformation of the first fender 401 can be further reduced, and in addition, the movable connecting member 501 is hinged to the movable backrest 103 through the second hinge shaft 502, so that the whole elastic action mechanism 50 can move together with the first fender 401 and the movable backrest 103.

In a further embodiment of the present embodiment, the headrest 30 is connected to the first cover 401 in a relative positioning manner, so that the first cover 401 can move up or down along with the headrest 30.

The first guard plate 401 in this embodiment can move following the headrest 30, and thus the adjustment of the side guard plate 40 is completed while the headrest 30 is adjusted, which makes the adjustment more convenient.

In a further implementation manner of the embodiment, the safety seat further includes a limiting mechanism 100, and the limiting mechanism 100 is configured to limit the first guard plate 401 to the second setting position.

The limiting mechanism 100 in this embodiment can play a limiting role, and mainly, the limiting mechanism 100 can limit the first protection plate 401 to a lower position, so as to prevent it from moving downward under the action of gravity. .

In a further implementation manner of this embodiment, the limiting mechanism 100 includes a first limiting block 1001 and a second limiting block 1004, the first limiting block 1001 is disposed on the backrest support 101, the second limiting block 1004 is disposed in a positioning manner with respect to the first guard plate 401, and when the first guard plate 401 is located at the second set position, the first limiting block 1001 and the second limiting block 1004 cooperate to limit the first guard plate 401 at the second position.

The limiting mechanism 100 in this embodiment is not only simple in structure, but also stable in limiting structure.

In a further implementation manner of this embodiment, a first bump 1003 extending outward is disposed on the first limiting block 1001, a second bump 1002 extending inward is disposed on the second limiting block 1004, a first inclined surface is disposed on the first bump 1003, a second inclined surface is disposed on the second bump 1002, and the first inclined surface is matched with the second inclined surface.

In this embodiment, the first inclined surface and the second inclined surface cooperate to prevent the first bump 1003 and the second bump 1002 from colliding during contact, and the first bump 1003 and the second bump 1002 can play a role of contact buffering.

In a further implementation manner of this embodiment, the headrest mounting bracket 102 is movably disposed on the backrest bracket 101, a pressing plate 1005 is disposed on the second limiting block 1004, and the pressing plate 1005 is pressed on the headrest mounting bracket 102.

The pressure plate 1005 of this embodiment is pressed against the headrest mounting bracket 102, which may make the headrest mounting bracket 102 more stable during movement.

Specifically, in the present embodiment, the headrest mounting bracket 102 is fixedly connected to the movable backrest 103, so that the headrest mounting bracket 102, the movable backrest 103 and the first protection plate 401 move integrally during the movement process in the present embodiment.

Referring to fig. 17 to 24, in a further embodiment of the present embodiment, the seat base 20 includes a fixing bracket 250, a first sliding slot 2505 and a second sliding slot 2504 are disposed on the fixing bracket 250, the first sliding slot 2505 is disposed along an oblique direction, a set distance is provided between the first sliding slot 2505 and the second sliding slot 2504, a plurality of positioning bayonets 2503 are disposed in the second sliding slot 2504 along a length direction thereof, a first sliding rod 270 and a second sliding rod 2100 are fixedly disposed on the base bracket 230, the first sliding rod 270 is movably disposed in the first sliding slot 2505, the second sliding rod 2100 is movably disposed in the second sliding slot 2504, and the second sliding rod 2100 can enter the positioning bayonets 2503.

The seat base 20 of the present embodiment includes a base bracket 230, a fixed bracket 250, a first sliding rod 270, a second sliding rod 2100, and an adjusting member 280, wherein the base bracket 230 is used for mounting a backrest of a safety seat, the base upper shell 210 is fixedly connected to the base bracket 230, the fixed bracket 250 is provided with a first sliding slot 2505 and a second sliding slot 2504 located on a vertical plane, the first sliding slot 2505 is disposed along an oblique direction, a set distance is provided between the first sliding slot 2505 and the second sliding slot 2504, the second sliding slot 2504 is provided with a plurality of positioning bayonets 2503 along a length direction thereof, the first sliding rod 270 is fixedly connected to the base bracket 230, the first sliding rod 270 is movably disposed in the first sliding slot 2505, the second sliding rod 2100 is movably disposed in the second sliding slot 2504, the adjusting member 280 is fixedly connected to the first sliding rod 270 and the second sliding rod 2100, and when adjusting, by acting force on the adjusting member 280, the first sliding rod 270 and the second sliding rod 2100 are driven to move along the first sliding slot 2505 and the second sliding slot 2504 respectively, after the adjustment to the set position, the second sliding rod 2100 is clamped into the positioning bayonet 2503 corresponding to the set position, the second sliding rod 2100 is positioned by the cooperation of the second sliding rod 2100 and the positioning bayonet 2503, because the first sliding rod 270 and the second sliding rod 2100 are both fixedly connected with the adjusting component 280, the first sliding rod 270 is positioned, the base bracket 230 is also in the positioning state in the state that the first sliding rod 270 is positioned, because the first sliding slot 2505 is obliquely arranged, the first sliding rod 270 is obliquely movable in the sliding process in the first sliding slot 2505, the base bracket 230 can be angularly adjusted, therefore, the seat back 10 can be angularly adjusted, the back of the safety seat can be adjusted based on the actual use condition, and the convenience of the use of the safety seat can be improved, further it can improve the comfort of the safety seat.

Specifically, the base upper shell 210 in this embodiment is fixedly installed on the fixing bracket 250, the backrest of the safety seat is also fixedly installed on the fixing bracket 250, and a set angle is formed between the base upper shell 210 and the backrest of the safety seat, while the base upper shell 210 in this embodiment is used for installing a seat cushion, the fixing bracket 250 is fixedly installed on the base lower shell 220, during the adjustment process, the base upper shell 210 and the base lower shell 220 can move relatively, in addition, the adjusting member 280 in this embodiment is extended outward, specifically, it can extend out of the space between the base upper shell 210 and the base lower shell 220, the adjusting member 280 enters the second slide bar 2100 into the positioning bayonet 2503 by the lever principle, which moves the first slide bar 270 and the second slide bar by pulling the adjusting member 280, and further, the positioning bayonet 2503 in this embodiment is installed on the upper portion of the second slide slot 2504, and a plurality of positioning bayonets 2503 may be disposed at equal intervals, and the first and second sliding

slots

2505 and 2504 are kidney-shaped slots.

In a further implementation manner of this embodiment, a third sliding slot 2502 located on a vertical plane is disposed on the fixed bracket 250, a third sliding rod 290 is fixedly disposed on the base bracket 230, and the third sliding rod 290 is movably disposed in the third sliding slot 2502.

In this embodiment, the fixing bracket 250 is further provided with a third sliding slot 2502, the third sliding rod 290 is fixedly connected with the base bracket 230, when the first sliding rod 270 moves along the first sliding slot 2505, the third sliding rod 290 moves in the third sliding slot 2502 at the same time, the arrangement of the third sliding rod 290 and the third sliding slot 2502 can improve stability, and in addition, the third sliding rod 290 is located in the third sliding slot 2502 and can also play a role in limiting.

In a further implementation manner of the present embodiment, the second sliding slot 2504 is located below the first sliding slot 2505, the second sliding slot 2504 is disposed in an oblique direction, and an inclination angle of the first sliding slot 2505 is greater than an inclination angle of the second sliding slot 2504.

In this embodiment, both the first sliding slot 2505 and the second sliding slot 2504 are obliquely disposed, and the inclination angle of the first sliding slot 2505 is greater than that of the second sliding slot 2504, so that the first sliding rod 270 and the second sliding rod 2100 can be more stable and smoother in the moving process.

In a further implementation manner of the present embodiment, the third sliding slot 2502 is located behind the first sliding slot 2505, and the first sliding slot 2505 is disposed straight.

In this embodiment, the third sliding slot 2502 is located behind the first sliding slot 2505, and the third sliding slot 2502 is a straight slot, so that the third sliding rod 290 moves straightly in the third sliding slot 2502, the whole structure is more reasonable, and the stability of the base bracket 230 in the moving process is improved.

In a further alternative embodiment of this embodiment, the fixing bracket 250 includes a bottom plate 2506 and a vertical plate 2501, the vertical plate 2501 is connected to the bottom plate 2506 and extends vertically upward, and the first sliding slot 2505, the second sliding slot 2504 and the third sliding slot 2502 are disposed on the vertical plate 2501.

The structure of the fixing bracket 250 in this embodiment makes the whole structure of the fixing bracket 250 simple, and ensures the strength of the seat base 20, and meanwhile, the fixing bracket 250 in this embodiment can also facilitate installation, specifically, the fixing bracket 250 is fixedly connected with the base lower shell 220, and can also facilitate the arrangement of the first sliding slot 2505, the second sliding slot 2504 and the third sliding slot 2502.

In a further implementation manner of this embodiment, the base bracket 230 includes a first plate 2301 and a second plate 2302, the first plate 2301 corresponds to the second plate 2302 in shape, the first plate 2301 is overlapped with the second plate 2302, and both sides of the first plate 2301 extend toward the second plate 2302 and wrap both side edges of the second plate 2302.

In addition, bending portions 2303 are arranged on two sides of the first flat plate 2301 in this embodiment, the bending portions 2303 extend towards the second flat plate 2302 and cover edges of two sides of the second flat plate 2302, the bending portions 2303 can enable the first flat plate 2301 and the second flat plate 2302 to be positioned oppositely, and in addition, the bending portions 2303 can also realize edge covering on two sides of the second flat plate 2302 to achieve a protection effect.

In a further implementation manner of this embodiment, the base bracket 230 is a plate structure, the plate structure includes a first plate 2304 and a second plate 2305, and the first plate 2304 and the second plate 2305 are bent relatively.

The first plate 2304 in this embodiment is used for mounting a backrest of the safety seat, and the second plate 2305 is used for mounting the base upper shell 210, the first plate 2304 and the second plate 2305 are in a relatively bent state, so that the backrest of the safety seat and the base upper shell 210 have a set angle, which not only enables the safety seat to have higher connection strength, but also facilitates mounting, specifically, the first plate 2304 in this embodiment extends vertically and upwardly, the second plate 2305 extends vertically and horizontally, the first plate 2304 and the second plate 2305 in this embodiment may be in a mutually perpendicular state, and in addition, they may be integrally formed.

In a further embodiment of this embodiment, the side of the fixed bracket 250 is further provided with a mounting bracket 240 and a connecting sleeve 260, the mounting bracket 240 is used for mounting the connecting buckle 2120, the mounting bracket 240 is movably inserted into the connecting sleeve 260 so that the mounting bracket 240 can move relative to the connecting sleeve 260, the mounting bracket 240 is positioned opposite to the fixed bracket 250, the seat base 20 further includes a locking and positioning mechanism 214, and the connecting sleeve 260 is positioned opposite to the mounting bracket 240 when the locking and positioning mechanism 214 is in a locking state.

The connecting buckle 2120 in this embodiment is an isofix buckle, which is used for connecting with a safety seat interface of an automobile, the connecting buckle 2120 in this embodiment is disposed on the mounting bracket 240, since the mounting bracket 240 is movably inserted in the connecting sleeve 260, it can adjust the relative position of the mounting bracket 240 through the movement of the mounting bracket 240 in the mounting bracket 240, when the mounting bracket 240 is adjusted to a suitable position, the locking positioning mechanism 214 is locked, and the locking positioning mechanism 214 acts on the mounting bracket 240 and the connecting sleeve 260 to enable the mounting bracket 240 and the connecting sleeve 260 to be in a locking state and to be relatively positioned, so the position between the isofix buckle and the base in this embodiment can be adjusted, and can be adjusted according to practical situations, and convenience in use is improved.

In a further implementation manner of this embodiment, the connection sleeve 260 has a first bayonet (not shown in the figure), the mounting bracket 240 has a plurality of second openings 2401 along a length direction thereof, the first opening is aligned with any one of the second openings 2401 when the mounting bracket 240 is in the set position, the locking and positioning mechanism 214 includes a movable block 2141, the movable block 2141 has a tongue insertion portion 2144, the movable block 2141 is movably disposed relative to the connection sleeve 260 so that the movable block 2141 can be at least located at a first position and a second position relative to the connection sleeve 260, the tongue insertion portion 2144 extends into the first opening and the second opening 2401 when the movable block 2141 is in the first position, and the tongue insertion portion 2144 is located outside the first opening and the second opening 2401 when the movable block 2141 is in the second position.

In this embodiment, the tongue portions 2144 extend into the first opening and any one of the second openings 2401 to lock and position the connecting sleeve 260 and the mounting bracket 240, the whole locking process is simple and convenient, the operation is more convenient, and in the locked state, the locking and positioning between the connecting sleeve 260 and the mounting bracket 240 are firm.

In a further implementation manner of the present embodiment, the locking and positioning mechanism 214 further includes an elastic element 215, the elastic element 215 is connected to the movable block 2141, the seat base 20 further includes a driving mechanism 213, and the driving mechanism 213 is connected to the movable block 2141 for driving the movable block 2141 to move.

The elastic member 215 in this embodiment elastically acts on the movable block 2141, and it can perform a restoring function, specifically, the elastic member 215 in this embodiment can be a spring, one end of which is connected to the movable block 2141, and the other end of which is connected to the vertical plate 2501 of the fixed bracket 250.

Specifically, in the embodiment, the movable block 2141 is provided with an inclined groove 2142, the inclined groove 2142 is movably provided with a movable guide pillar 2143, the movable guide pillar 2143 can drive the movable block 2141 to move forward and backward along the inclined direction of the inclined groove 2142 in the process of moving back and forth along the length direction of the mounting bracket 240, the tongue portion 2144 extends into the first opening and the second opening 2401 in the process of moving the movable block 2141 close to the mounting bracket 240, and the tongue portion 2144 extends out of the first opening and the second opening 2401 in the process of moving the movable block 2141 away from the mounting bracket 240.

In addition, the driving mechanism 213 in this embodiment includes a movable plate 2132, a movable guide post 2143 is disposed at a first end of the movable plate 2132, a receiving slot 2507 is disposed on the bottom plate 2506 in this embodiment, the movable plate 2132 is movably disposed in the receiving slot 2507, and the movable plate 2132 can move along a length direction of the bottom plate 2506.

The number of the base brackets 230 and the number of the fixing brackets 250 in this embodiment are two, and the number of the connecting buckles 2120 and the number of the mounting brackets 240 in this embodiment are two, and the two connecting buckles are respectively disposed on one side of the fixing brackets 250, and each mounting bracket 240 corresponds to the connecting sleeve 260, and a locking and positioning mechanism 214 and a driving mechanism 213 are disposed corresponding to each mounting bracket 240, so that the number of the movable plates 2132 in this embodiment is two.

In order to drive the two movable plates 2132 simultaneously in this embodiment, the seat base 20 further includes a linkage mechanism 212, and the linkage mechanism 212 is connected to the two movable plates 2132 for driving the two movable plates 2132 to move simultaneously.

The linkage mechanism 212 in this embodiment includes a first linkage rod 2121 and a second linkage rod 2124, a first linkage sliding slot 2126 is disposed at a first end of the first linkage rod 2121, a linkage sliding column 2122 is disposed at a second end of the first linkage rod 2121, a second linkage sliding slot 2123 and a third linkage sliding slot 2125 are disposed at two ends of the second linkage rod 2124, a sliding column 2131 is disposed at a second end of the movable plate 2132, the linkage sliding column 2122 is movably disposed in the second linkage sliding slot 2123, and the first linkage sliding slot 2126 and the third linkage sliding slot 2125 are movably engaged with the sliding columns 2131 on the two movable plates 2132, respectively. In addition, the second linkage rod 2124 of the present embodiment is provided with the pull strap 2110, and particularly, when the second linkage rod 2124 works, the pull strap 2110 is pulled to drive the linkage mechanism 212 to further drive the movable plate 2132 to move.

Referring to fig. 2, 3 and 16, in a further embodiment of the present embodiment, a guide structure 60 and a buckle are disposed on the seat base 20, the safety seat further includes a retractor 70 and a safety belt 90, the safety belt 90 is disposed through the guide structure 60 and connected to the retractor 70, and a locking tongue is disposed on the safety belt 90 and is engaged with the buckle.

The buckle in this embodiment may be installed at any position of the safety seat, and particularly, it may be preferably installed on the seat base 20, and the lock tongue and the buckle in this embodiment are plug-in locking structures, which may specifically adopt a buckle structure on a car safety belt.

Because the angle of the seat back 10 in this embodiment can be adjusted, the safety belt on the safety seat in the prior art is generally set in a five-point positioning manner, and the positioning point of the safety belt set in the five-point positioning manner is determined, so the stress angle between the safety belt and the human body cannot be adjusted, after the angle of the seat back 10 is changed, the safety belt set on the safety belt cannot be well bound to the human body, or excessively oppressed the human body, which causes discomfort to people, in this embodiment, the retractor 70 and the guide structure 60 are adopted to set the safety belt, and the stress angle of the safety belt cannot be changed due to the angle change of the seat back 10, thereby preventing the inconvenience in use of the safety belt caused by the angle change of the seat back 10.

In a further possible embodiment of the present embodiment, a retractor 70 is provided on the seat back 10.

Mounting the retractor 70 on the seat back 10 in this embodiment may facilitate the installation of the seat belt 90, may also facilitate the mounting of the retractor 70, and may also save space.

The safety belt 90 in this embodiment is located at the rear of the headrest 30.

The positioning of the safety belt 90 at the rear of the headrest 30 in this embodiment may facilitate the positioning of the safety belt 90, and it may prevent the safety belt 90 from affecting the head of the child.

In this embodiment, the guide structure 60 is disposed adjacent to the seat base 20.

The guiding structure 60 in this embodiment is disposed at a position close to the seat base 20, so that it can increase the binding force of the safety belt 90 to the human body, and it can bind the safety belt at the waist position of the child, thereby not only improving the comfort of the safety belt in the bound state, but also improving the safety performance of the safety belt.

In a further embodiment of the present embodiment, a mounting bracket 201 is provided on the seat back 10, both sides of the retractor 70 are respectively fixedly connected to the mounting bracket 201, and the mounting bracket 201 in the present embodiment is fixedly mounted on the base bracket 230.

The mounting bracket 201 in this embodiment can facilitate the mounting of the retractor 70 and can also improve the connection strength of the retractor 70.

Specifically, the mounting bracket 201 in the present embodiment is a mounting plate.

The positioning of the guide structure 60 under the side guard 40 in this embodiment may facilitate guiding of the safety belt 90 and may also facilitate restraining of the safety belt 90 to the human body.

In a further embodiment of this embodiment, the guide structure 60 comprises a guide bayonet 605, and the guide bayonet 605 is used for clamping the safety belt 90.

The guide structure 60 in this embodiment includes a guide notch 605 which directly captures the harness 90 in the guide notch 605 when in use, which facilitates the deployment of the harness 90.

In a further implementation manner of this embodiment, the guiding structure 60 includes a guiding bracket 601, a guiding limiting plate 603 is disposed on the guiding bracket 601, a guiding bayonet 605 is disposed between the guiding limiting plate 603 and the guiding bracket 601, and the guiding bayonet 605 is a bayonet with one side opened.

The guide bayonet 605 in this embodiment is a bayonet that is open on one side, so that the harness 90 can enter the bayonet through the open on one side, which further facilitates the deployment of the harness 90.

In addition, the guide bracket 601 of the present embodiment is provided with the rib 602, the rib 602 can enhance the overall strength of the guide structure 60, and in the present embodiment, the surface of the guide bracket 601 near the guide limit plate 603 is an arc surface 604, the arc surface 604 extends toward the guide bayonet 605, and the arc surface 604 narrows the opening of the guide bayonet 605 at one side, so that the safety belt 90 can be prevented from being disengaged from the guide bayonet 605.

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. 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.

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 at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A rotatable folding safety seat, comprising:

2. The safety seat with rotatable folding function as claimed in claim 1, wherein the locking mechanism comprises a movable tongue and a positioning member, the backrest support is provided with an accommodating opening, the movable tongue is movably arranged in the accommodating opening, the positioning member is mounted on the seat base, the positioning member is provided with an inserting opening, and when the backrest support is in the second position, the accommodating opening and the inserting opening are aligned with each other so that the movable tongue can enter the inserting opening.

3. The safety seat capable of being rotatably folded according to claim 1, further comprising a headrest, wherein a headrest mounting bracket is movably arranged on the backrest bracket, and the headrest is arranged on the headrest mounting bracket.

4. The safety seat with rotatable folding function according to claim 3, characterized in that a plurality of bayonets are arranged on the headrest mounting bracket along the height direction of the headrest mounting bracket, the safety seat further comprises a rotary driving assembly, the rotary driving assembly is rotatably arranged on the backrest bracket, the rotary driving assembly at least comprises a poking part, the poking part is correspondingly arranged with the bayonets so that the rotary driving assembly can extend into the bayonets in a rotating state, and the poking part is arranged by deviating the rotating central shaft of the rotary driving assembly.

5. The safety seat according to claim 4, wherein the toggle parts comprise a first toggle part and a second toggle part, the first toggle part and the second toggle part are symmetrically arranged along the central axis of the rotary driving assembly, the plurality of bayonets are arranged at equal intervals, and the interval between the first toggle part and the second toggle part corresponds to the interval between every two adjacent bayonets so that the first toggle part and the second toggle part can be simultaneously positioned in the two adjacent bayonets when the rotary driving assembly is in a rotating state.

6. A safety seat according to claim 5, wherein the upper surface of the bayonet is provided with a limiting step for contacting the first and second toggle parts.

7. The safety seat capable of being rotatably folded according to claim 1, wherein side guard plates are arranged on two sides of the seat back, the side guard plates comprise a first guard plate and a second guard plate, the first guard plate is located on the inner side of the second guard plate, the second guard plate is connected with the back support in a relative positioning mode, the first guard plate and the second guard plate are movably arranged relative to each other so that the first guard plate can move upwards to a first set position relative to the second guard plate, the first guard plate can also move downwards to a second set position relative to the second guard plate, and in a state that the first guard plate is located at the first set position, the upper portion of the first guard plate extends out of the upper end of the second guard plate.

8. The rotatably foldable safety seat according to claim 7, further comprising an elastic action mechanism that elastically acts on the first shield.

9. The safety seat capable of being rotated and folded according to claim 1, wherein the seat base further comprises a fixing support, a first sliding groove and a second sliding groove are arranged on the fixing support, the first sliding groove is arranged along an oblique direction, a set distance is arranged between the first sliding groove and the second sliding groove, a plurality of positioning bayonets are arranged in the second sliding groove along the length direction of the second sliding groove, a first sliding rod and a second sliding rod are fixedly arranged on the base support, the first sliding rod is movably arranged in the first sliding groove, the second sliding rod is movably arranged in the second sliding groove, and the second sliding rod can enter the positioning bayonets.

10. The rotatably foldable safety seat according to claim 9, wherein a guiding structure and a buckle are arranged on the seat base, the safety seat further comprises a retractor and a safety belt, the safety belt is arranged through the guiding structure and connected with the retractor, a locking tongue is arranged on the safety belt, and the locking tongue is matched with the buckle.