CN117507966A

CN117507966A - Adjustment mechanism and child safety seat

Info

Publication number: CN117507966A
Application number: CN202210902786.0A
Authority: CN
Inventors: 李如意
Original assignee: CHINA BAMBINO PREZIOSO CO LTD
Current assignee: CHINA BAMBINO PREZIOSO CO LTD
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2024-02-06

Abstract

The application discloses adjustment mechanism and child safety seat, adjustment mechanism are arranged in child safety seat, connect between child safety seat's seat support and base for adjust the position of seat support for the base. The base is formed with a plurality of adjustment holes that are spaced apart along the first direction. The adjustment mechanism may include a base plate, a locking member, and an adjustment plate. The bottom plate is used for being installed on the chair seat. The locking member may include a locking portion and a driving portion, the driving portion is provided with a mounting hole extending in a second direction, and one end of the locking portion is provided in the mounting hole, wherein the second direction is parallel to a hole axis of the adjustment hole. The adjusting plate is movably connected with the bottom plate along a first direction, and the adjusting plate is connected with the driving part and used for driving the locking piece to move along a second direction when moving along the first direction relative to the bottom plate, so that the locking part can be inserted into different adjusting holes. The reliability of the adjusting angle of the child safety seat can be improved.

Description

Adjustment mechanism and child safety seat

Technical Field

The application relates to the technical field of child safety seats, in particular to an adjusting mechanism and a child safety seat.

Background

The automobile child safety seat is specially designed for children of different ages, is installed in an automobile, and can effectively improve riding safety of the children. In the event of a collision or sudden deceleration of the car, the injuries to the children are reduced by slowing down the impact force on the children and limiting the body movement of the children, so that the riding safety of the children is ensured.

To provide a more comfortable seating environment for children, child safety seats are typically provided with an angle adjustment device, but conventional seat angle adjustment devices are easily displaced and have poor reliability.

Disclosure of Invention

The embodiment of the application provides an adjustment mechanism and child safety seat, has solved adjustment mechanism and has shifted easily, the relatively poor problem of reliability.

In a first aspect, embodiments of the present application provide an adjustment mechanism for use in a child safety seat, connected between a seat and a base of the child safety seat, for adjusting a position of the seat relative to the base, the base being formed with a plurality of adjustment holes spaced apart along a first direction, the adjustment mechanism comprising:

the bottom plate is used for being mounted on the chair seat;

the locking piece comprises a locking part and a driving part, wherein the driving part is provided with a mounting hole extending along a second direction, one end of the locking part is arranged in the mounting hole, and the second direction is parallel to the hole axis of the adjusting hole;

the adjusting plate is movably connected with the bottom plate along the first direction, is connected with the driving part and is used for driving the locking piece to move along the second direction when moving along the first direction relative to the bottom plate, so that the locking part can be inserted into different adjusting holes.

The beneficial effects of the embodiment of the application are that: the locking piece is designed to comprise the locking part and the driving part, the extending direction of the mounting hole of the driving part is consistent with the extending direction of the hole axis of the adjusting hole, so that the direction of the locking part arranged in the mounting hole can be kept parallel to the hole axis of the adjusting hole, when the adjusting plate drives the locking piece to move, the locking part can be more smoothly inserted into different adjusting holes, the operation convenience of the adjusting mechanism is improved, and a user can more conveniently and laborsaving adjust the angle of the child safety seat; because regulating plate moves along first direction, the retaining member moves along the second direction, and first direction and second direction are the contained angle setting, consequently connect locking part and regulating plate through drive division, drive division motion earlier when making the regulating plate motion, drive division again and drive locking part motion, there is a motion conduction process, compare in the regulating plate direct drive locking part motion, avoided directly pulling locking part and lead to the locking part to damage easily, simultaneously, in the mounting hole of locating drive division is worn to locate to the locking part, the connecting area of contact with drive division is bigger, the steadiness of locking part has been strengthened, difficult rocking when making locking part insert to the regulation hole, adjustment mechanism's reliability has been greatly promoted.

In some embodiments, the driving part comprises a driving section and a mounting section, the mounting section is provided with a mounting hole, the driving section is connected with the adjusting plate, the locking part comprises a first locking section, a matching section and a second locking section, the matching section is positioned in the mounting hole, the first locking section is connected with the matching section, the first locking section is close to one end of the driving section and is abutted to the surface, close to the surface of the driving section, of the mounting section, the second locking section is connected with the matching section, the second locking section is far away from one end of the driving section, and the second locking section is used for being inserted into different adjusting holes under the driving of the adjusting plate.

Based on the above embodiment, the locking part is designed to comprise the first locking section, the matching section and the second locking section, and the first locking section is abutted against the surface of the mounting section, which is close to the driving section, so that the connection between the locking part and the driving part is firmer, the locking part is not easy to fall off, and the firmness of the adjusting mechanism is improved.

In some of these embodiments, the mounting section comprises:

the mounting main body is connected with the driving section and provided with the mounting hole;

the elastic claw is positioned on one side of the installation main body, which is close to the driving section, one end of the elastic claw is connected with the installation main body, the other end of the elastic claw extends towards the direction away from the installation main body and close to the hole axis of the installation hole, and the first locking section is abutted against the surface of the elastic claw, which is close to the driving section.

Based on the above embodiment, through setting up the elasticity jack catch, and the other end of elasticity jack catch is the shrink form, first locking section passes the mounting hole earlier, then extrudees the shrink end deformation of elasticity jack catch and to can hold first locking section and pass, treat that first locking section wears to locate the elasticity jack catch completely when outward, the elasticity jack catch resumes the shrink state and holds the cooperation end, the surface butt first locking section that the elasticity jack catch is close to the drive section simultaneously to be fixed in the drive part with the locking part, the connection reliability between locking part and the drive part has been guaranteed in the design like this, the equipment of locking part and drive part of being convenient for simultaneously.

In some embodiments, the adjusting plate has a first guiding groove with an included angle between the extending direction and the first direction, and the second direction, and the driving part is provided with a guiding post located in the first guiding groove, so that when the adjusting plate moves along the first direction relative to the bottom plate, the guiding post moves along the second direction under the guiding of the first guiding groove, and the locking piece can be inserted into different adjusting holes.

Based on the above embodiment, when the adjusting mechanism is in the locked state, the guide post is located at one side of the first guide groove of the adjusting plate, which is close to the adjusting hole, and one end of the locking member is located in an adjusting hole; when the locking state of the adjusting mechanism is released, the adjusting plate moves along the first direction, the guide post moves in the direction away from the adjusting hole under the guide of the first guide groove, and meanwhile the driving part drives the locking piece to move in the direction away from the adjusting hole, so that the locking piece moves out of the adjusting hole, at the moment, the chair seat can be slid, the angle of the chair seat relative to the base can be adjusted, after the angle is adjusted to a required angle, the adjusting plate moves to an original position along the first direction, the guide post returns to one side, close to the adjusting hole, of the first guide groove, and one end of the locking piece is positioned in the adjusting hole corresponding to the required angle, so that the angle adjustment of the child safety seat is completed. The design makes the overall structure of the adjusting mechanism simple, the working principle simple and easy to operate, and is convenient for subsequent overhaul and maintenance.

In some embodiments, the bottom plate is provided with a second guide groove extending along the second direction, the groove wall surface of the second guide groove comprises a first wall surface and a second wall surface which extend along the second direction and are opposite, and the driving part is abutted between the first wall surface and the second wall surface; the inner wall surface of the second guide groove further comprises a third wall surface perpendicular to the second direction and facing the driving part, and when the locking part is positioned in the adjusting hole, the driving part abuts against the third wall surface.

Based on the above embodiment, by providing the second guide groove extending along the second direction, the driving portion located in the guide groove can only move along the second direction, that is, along the direction parallel to the hole axis of the adjusting hole, and at the same time, the locking portion connected with the driving portion can only move along the second direction, so that the driving portion is prevented from moving away from the second direction, and the locking portion cannot be smoothly inserted into or removed from the adjusting hole, thereby enhancing the operation reliability of the adjusting mechanism.

In some of these embodiments, the adjusting plate is provided with a third guide groove extending along the first direction, the base plate is provided with a mounting post located in the third guide groove, and the adjusting mechanism further includes:

and one end of the elastic piece is connected with the mounting column on the bottom plate, and the other end of the elastic piece is connected with the adjusting plate.

In some embodiments, the adjusting plate is provided with a hook, and the elastic member includes:

a spring extending in the first direction and having one end connected to the mounting post on the base plate;

and the connecting ring is connected with one end of the spring far away from the mounting column and is hung on the hook.

Based on the above embodiment, the elastic piece is designed to comprise the spring and the connecting ring, and the connecting ring can be directly hung on the hook of the adjusting plate, so that the assembly of the elastic piece and the adjusting plate is simpler and more convenient, and the elastic piece is convenient to detach and replace when damaged.

In a second aspect, embodiments of the present application provide a child safety seat comprising an adjustment mechanism, the base and the seat as described above.

According to the child safety seat, the locking piece of the adjusting mechanism is designed to comprise the locking part and the driving part, so that the reliability of the adjusting mechanism is greatly improved, the adjusting stability of the child safety seat is further improved, and meanwhile, a user can adjust the angle of the child safety seat more conveniently and laborsaving.

In some of these embodiments, the base comprises:

a base body; and

The mounting bracket is connected with the base main body and is provided with a plurality of adjusting holes.

Based on the above embodiment, the base is designed to include the base main body and the mounting bracket, and the seat is mounted on the base through the connection between the adjusting mechanism and the mounting bracket, so that the base and the seat can be completely separated, the seat can be mounted on the base in the forward direction or the reverse direction, and a user can have more using modes to select.

In some of these embodiments, the mounting bracket has a first sliding slot extending in the first direction, and the adjustment mechanism further includes:

a side plate connected to the bottom plate and disposed opposite to the mounting bracket, the side plate having a second sliding groove extending in the first direction;

the first sliding rod extends along the second direction, one end of the first sliding rod is connected with the side plate, and the other end of the first sliding rod penetrates through the first sliding groove;

and the fixed rod extends along the second direction, is connected with the mounting bracket and penetrates through the second sliding groove.

Based on the above-mentioned embodiment, through setting up first slide bar and dead lever, curb plate is connected to the one end of first slide bar, and the first sliding tray of installing support is worn to locate by the other end, and the dead lever is connected the installing support and wears to locate the second sliding tray of curb plate, makes the connection of adjustment mechanism and base more firm to make the seat can be more firm be fixed in the base, promoted child safety seat's fail safe nature. Meanwhile, the first sliding rod slides to be abutted against the groove wall of the first sliding groove, which is close to the fixed rod, so that a user is reminded of being adjusted to the maximum angle, and blind adjustment of the user is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a child safety seat according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a portion of the child safety seat of FIG. 1 in a perspective view

FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2;

fig. 4 is a schematic perspective view of an adjusting mechanism of a child safety seat in a locked state according to an embodiment of the present application;

FIG. 5 is an enlarged schematic view of the structure at B in FIG. 4;

FIG. 6 is a schematic view of a latch of an adjustment mechanism of a child safety seat according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of a locking portion of an adjustment mechanism of a child safety seat according to an embodiment of the present disclosure;

fig. 8 is a schematic perspective view of an adjusting mechanism of a child safety seat in an unlocked state according to an embodiment of the present disclosure;

FIG. 9 is an enlarged schematic view of the structure at C in FIG. 8;

FIG. 10 is a schematic view of an elastic member of an adjusting mechanism of a child safety seat according to an embodiment of the present disclosure;

FIG. 11 is a schematic perspective view of a base of a child safety seat according to an embodiment of the present disclosure;

FIG. 12 is a schematic perspective view of a seat of a child safety seat according to an embodiment of the present disclosure;

FIG. 13 is a schematic perspective view of a child safety seat according to an embodiment of the present disclosure;

FIG. 14 is a schematic perspective view of a belt holder for a child safety seat according to an embodiment of the present disclosure;

fig. 15 is a schematic perspective view of a seat belt holder base of a child safety seat according to an embodiment of the present application.

Reference numerals: 100. an adjusting mechanism; 110. a bottom plate; 111. a second guide groove; 1111. a first wall surface; 1112. a second wall surface; 1113. a third wall surface; 112. a mounting column; 120. a locking member; 121. a locking part; 1211. a first locking section; 1212. a mating section; 1213. a second locking section; 122. a driving section; 1221. a drive section; 1222. a mounting section; 1222a, a mounting body; 1222b, resilient jaws; c. a mounting hole; 1223. a guide post; 130. an adjusting plate; 131. a first guide groove; 132. a third guide groove; 1321. a fourth wall surface; 1322. a fifth wall surface; 133. a hook; 140. an elastic member; 141. a spring; 142. a connecting ring; 150. a side plate; 151. a second sliding groove; 160. a first slide bar; 170. a fixed rod; a. a first direction; b. a second direction; 200. a child safety seat; 210. a seat; 220. a base; 221. an adjustment aperture; 222. a base body; 223. a mounting bracket; d. a first sliding groove; 230. a seat belt holder; 231. a base; 2311. a slip preventing protrusion; 232. and a clamping arm.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

To provide a more comfortable seating environment for children, child safety seats are typically provided with an angle adjustment device, but conventional seat angle adjustment devices are easily displaced and have poor reliability. The embodiment of the application provides an adjusting mechanism and a child safety seat, and aims to solve the technical problems.

Referring to fig. 1 to 3, an embodiment of the present application provides an adjusting mechanism 100 for use in a child safety seat 200, connected between a seat 210 and a base 220 of the child safety seat 200, for adjusting a position of the seat 210 relative to the base 220.

Referring to fig. 3, the base 220 is formed with a plurality of adjustment holes 221 distributed at intervals along the first direction a, the adjustment mechanism 100 can be mounted on the seat 210, and the adjustment mechanism 100 can be connected with different adjustment holes 221 on the base 220, so that when the adjustment mechanism 100 is connected with different adjustment holes 221, the relative position between the adjustment mechanism 100 and the base 220 is changed, and further the relative position between the seat 210 and the base 220 is changed. The first direction a may be a straight line direction or an arc direction, which is not limited in the embodiment of the present application. When the first direction a is a straight direction, the adjusting mechanism 100 may implement position adjustment of the seat 210 relative to the base 220 along the straight direction, for example, implement forward and backward movement adjustment, lifting movement adjustment, and the like of the seat 210; when the first direction a is an arc direction, the adjusting mechanism 100 may implement position adjustment of the seat 210 relative to the base 220 along the arc direction, for example, implement forward and backward movement adjustment, lifting movement adjustment, angle adjustment, and the like of the seat 210.

Referring to fig. 3 to 4, the adjusting mechanism 100 includes a base plate 110, a locking member 120, and an adjusting plate 130. The bottom plate 110 is used for being mounted on the seat 210, the locking member 120 and the adjusting plate 130 are mounted on the seat 210 through the bottom plate 110, and the seat 210 is mounted on the base 220 and detachably connected with the base 220 through the locking member 120 and the adjusting plate 130.

Referring to fig. 4 to 6, the locking member 120 includes a locking portion 121 and a driving portion 122, the driving portion 122 is provided with a mounting hole c extending along a second direction b, one end of the locking portion 121 is disposed in the mounting hole c, wherein the second direction b is parallel to a hole axis of the adjusting hole 221, and the second direction b is a straight line direction. The adjusting plate 130 is movably coupled with the base plate 110 along a first direction a. The adjusting plate 130 is connected to the driving portion 122, and is configured to drive the locking member 120 to move along the second direction b when moving along the first direction a relative to the base plate 110, so that the locking portion 121 can be inserted into different adjusting holes 221.

The locking piece 120 is designed to comprise the locking part 121 and the driving part 122, the extending direction of the mounting hole c of the driving part 122 is consistent with the extending direction of the hole axis of the adjusting hole 221, so that the orientation of the locking part 121 arranged in the mounting hole c can be kept parallel to the hole axis of the adjusting hole 221, namely, the locking part 121 is completely parallel to the adjusting hole 221, when the adjusting plate 130 drives the locking piece 120 to move, the locking part 121 can be more smoothly inserted into different adjusting holes 221, when the locking part 121 and the adjusting hole 221 are arranged at an included angle, the locking part 121 can collide with the inner wall surface of the adjusting hole 221 when inserted into the adjusting hole 221, the operation convenience of the adjusting mechanism 100 is improved, and a user can more conveniently and conveniently adjust the angle of the child safety seat 200 in a labor-saving manner; because the adjusting plate 130 moves along the first direction a, the locking member 120 moves along the second direction b, and the first direction a and the second direction b are arranged at an included angle, the locking part 121 and the adjusting plate 130 are connected through the driving part 122, when the adjusting plate 130 moves, the driving part 122 is firstly driven to move, the driving part 122 is then driven to move, a motion conduction process exists, compared with the condition that the adjusting plate 130 directly drives the locking part 121 to move, the locking part 121 is prevented from being directly pulled, the locking part 121 is prevented from being damaged easily, meanwhile, the locking part 121 is arranged in the mounting hole c of the driving part 122 in a penetrating manner, the connection contact area between the locking part 121 and the driving part 122 is larger, the stability of the locking part 121 is enhanced, the locking part 121 is not easy to shake when being inserted into the adjusting hole 221, and the reliability of the adjusting mechanism 100 is greatly improved.

When the first direction a is an arc direction, the first direction a and the second direction b may be set to form an included angle, and the second direction b may intersect with a plane in which the first direction a is located.

Further, referring to fig. 5 to 7, the driving part 122 includes a driving section 1221 and a mounting section 1222. The mounting section 1222 is provided with a mounting hole c. The driving section 1221 is connected to the adjustment plate 130. The locking portion 121 includes a first locking section 1211, a mating section 1212, and a second locking section 1213, with the mating section 1212 being positioned within the mounting hole c. The first locking segment 1211 connects one end of the mating segment 1212 proximate to the drive segment 1221 and abuts a surface of the mounting segment 1222 proximate to the drive segment 1221. The second locking segment 1213 is connected to an end of the mating segment 1212 remote from the driving segment 1221, and the second locking segment 1213 is configured to be inserted into a different adjustment hole 221 under the driving of the adjustment plate 130. By abutting the first locking section 1211 against the surface of the mounting section 1222 that is close to the driving section 1221, the connection between the locking portion 121 and the driving portion 122 is made more secure, so that the locking portion 121 is not easy to fall off, and the reliability of the adjustment mechanism 100 is improved.

Still further, referring to fig. 5 to 7, the mounting section 1222 includes a mounting body 1222a and a resilient claw 1222b. The mounting body 1222a is connected to the driving section 1221 and is provided with a mounting hole c. The elastic claw 1222b is located at one side of the mounting body 1222a near the driving section 1221, one end of the elastic claw 1222b is connected with the mounting body 1222a, the other end of the elastic claw 1222b extends towards the direction far away from the mounting body 1222a and near the hole axis of the mounting hole c, so that the other end of the elastic claw 1222b is in a contracted shape, the first locking section 1211 passes through the mounting hole c first, then the contracted end of the elastic claw 1222b is pressed to be deformed to accommodate the first locking section 1211 to pass through, when the first locking section 1211 passes through the elastic claw 1222b completely, the elastic claw 1222b restores to a contracted state to clamp the matching section 1212, and meanwhile, the surface of the elastic claw 1222b near the driving section 1221 abuts against the first locking section 1211 to fix the locking part 121 to the driving part 122, so that the connection reliability between the locking part 121 and the driving part 122 is ensured, and meanwhile, the assembly of the locking part 121 and the driving part 122 is facilitated.

To provide a more secure insertion of the first locking segment 1211 within the adjustment aperture 221, referring to fig. 5-7, the first locking segment 1211 may have a larger diameter than the mating segment 1212. One end of the mating segment 1212 connected to the second locking segment 1213 may be contracted toward a direction approaching the hole axis of the mounting hole c to form a constricted portion, so that the constricted portion of the mating segment 1212 may be fitted to the inner surface of the elastic claw 1222b, and the contracted end of the elastic claw 1222b may be contracted less, thereby more firmly clamping the locking part 121. Preferably, the length of the mating segment 1212 is 16mm or more and 20mm or less, so that the first locking segment 1211 can completely pass through the adjustment hole 221, and is not easy to fall off, thereby improving the reliability of the adjustment mechanism 100. The material of the locking portion 121 and the driving portion 122 may be at least one of plastic or metal. The plastic material has low price and is convenient to process. The strength coefficient of the metal material is high. Preferably, the locking portion 121 may be made of a metal material, and the driving portion 122 may be made of a plastic material, so that the manufacturing cost is lower on the premise of ensuring the structural strength of the locking member 120.

As can be understood, referring to fig. 8 to 9, the adjusting plate 130 has a first guiding groove 131 disposed with an included angle between an extending direction and both of a first direction a and a second direction b, wherein the extending direction of the first guiding groove 131 is a straight line direction, and when the first direction a is an arc direction, an intersection of the extending direction of the first guiding groove 131 and the first direction a may be that an extending direction of the first guiding groove 131 and a plane in which the first direction a is located intersect.

The driving part 122 is provided with a guide column 1223 positioned in the first guide groove 131, so that when the adjusting plate 130 moves in the first direction a relative to the base plate 110, the guide column 1223 moves in the second direction b under the guide of the first guide groove 131, so that the locking member 120 can be inserted into different adjusting holes 221.

Specifically, referring to fig. 3 and 5, when the adjusting mechanism 100 is in the locked state, the guide post 1223 is located at a side of the first guide slot 131 of the adjusting plate 130, which is close to the adjusting hole 221, and one end of the locking member 120 is located in an adjusting hole 221; referring to fig. 3 and 9, when the adjusting mechanism 100 is in the unlocked state, the guide post 1223 is located at a side of the first guide groove 131 of the adjusting plate 130 away from the adjusting hole 221, and one end of the locking member 120 is moved out of the adjusting hole 221.

More specifically, when the adjusting plate 130 moves in the positive direction of the first direction a, the guide column 1223 moves away from the adjusting hole 221 under the guide of the first guide groove 131, and the driving part 122 drives the locking member 120 to move away from the adjusting hole 221, so that the locking member 120 moves out of the adjusting hole 221, at this time, the seat 210 may be slid, the angle of the seat 210 relative to the base 220 may be adjusted, and the like, and after the adjusting plate 130 is adjusted to the desired angle, the adjusting plate 130 moves in the negative direction of the first direction a until the guide column 1223 returns to the side of the first guide groove 131 close to the adjusting hole 221, and one end of the locking member 120 is located in the adjusting hole 221 corresponding to the desired angle, thereby completing the angle adjustment of the child safety seat 200. The design makes the whole structure of the adjusting mechanism 100 simple, the working principle simple and easy to operate, and the subsequent overhaul and maintenance are convenient.

Referring to fig. 9, the bottom plate 110 is provided with a second guiding groove 111 extending along a second direction b, a groove wall surface of the second guiding groove 111 includes a first wall surface 1111 and a second wall surface 1112 extending along the second direction b and facing away from each other, and the driving portion 122 is abutted between the first wall surface 1111 and the second wall surface 1112. The inner wall surface of the second guide groove 111 further includes a third wall surface 1113 perpendicular to the second direction b and facing the driving portion 122, and referring to fig. 3 and 5, when the locking portion 121 is located in the adjusting hole 221, the driving portion 122 abuts against the third wall surface 1113. By providing the second guide groove 111 extending in the second direction b, the driving portion 122 located in the guide groove can only move in the second direction b, that is, in a direction parallel to the hole axis of the adjusting hole 221, and at the same time, the locking portion 121 connected to the driving portion 122 can only move in the second direction b, so that the driving portion 122 is prevented from moving away from the second direction b, and the locking portion 121 cannot be smoothly inserted into or removed from the adjusting hole 221, thereby enhancing the operation reliability of the adjusting mechanism 100.

As can be appreciated, referring to fig. 9, the adjusting plate 130 is provided with a third guide groove 132 extending in the first direction a, and the base plate 110 is provided with a mounting post 112 positioned in the third guide groove 132. The inner wall surface of the third guide groove 132 includes a fourth wall surface 1321 and a fifth wall surface 1322 that are disposed opposite to each other in the first direction a. The adjusting mechanism 100 further includes an elastic member 140 extending along the first direction a, one end of the elastic member 140 is connected to the mounting post 112 on the base plate 110, and the other end is connected to the adjusting plate 130.

The specific working principle of the adjusting mechanism 100 is as follows: first, referring to fig. 4, the adjusting plate 130 moves in the positive direction of the first direction a (e.g., the direction from the fifth wall 1322 to the fourth wall 1321), the third guiding groove 132 is switched from the fourth wall 1321 abutting against the mounting post 112 to the fifth wall 1322 abutting against the mounting post 112 (see fig. 9), the elastic member 140 is switched from the restoring state to the stretching state (see fig. 8), the locking member 120 moves out of the adjusting hole 221 along the first direction a, and the connection between the adjusting mechanism 100 and the base 220 is released. Then, the adjusting plate 130 continues to move along the positive direction of the first direction a, and the mounting post 112 is driven by the fifth wall 1322 to make the base 220 move along the positive direction of the first direction a along the adjusting plate 130 until the seat 210 moves to a proper position along the adjusting mechanism 100; finally, the adjusting plate 130 is released, the elastic member 140 drives the adjusting plate 130 to move in the opposite direction of the first direction a relative to the bottom plate 110 under the action of its own elastic restoring force, and at the same time, in the process that the adjusting plate 130 moves in the opposite direction of the first direction a relative to the bottom plate 110, the adjusting plate 130 drives the locking member 120 to move in the second direction b so as to be inserted into the other adjusting hole 221 of the base 220, at this time, the mounting post 112 is restored to abut against the fourth wall 1321 of the third guiding groove 132, so as to complete one adjusting process.

Further, referring to fig. 8 and 10, a hook 133 is disposed on the adjusting plate 130. The elastic member 140 includes a spring 141 and a connection ring 142, the spring 141 extends in the first direction a and has one end connected to the mounting post 112 on the base plate 110. The connecting ring 142 is connected with one end of the spring 141 away from the mounting post 112 and is hung on the hook 133. The arrangement makes the connecting ring 142 be directly hung on the hook 133 of the adjusting plate 130, the assembly of the elastic piece 140 and the adjusting plate 130 is simpler and more convenient, and the elastic piece 140 is also convenient to detach and replace when the elastic piece 140 is damaged.

In a second aspect, referring to fig. 1 to 3, a child safety seat 200 is provided, and includes an adjusting mechanism 100, a base 220, and a seat 210 as described above. According to the child safety seat 200, the locking piece 120 of the adjusting mechanism 100 is designed to comprise the locking part 121 and the driving part 122, so that the reliability of the adjusting mechanism 100 is greatly improved, the adjusting stability of the child safety seat 200 is further improved, and meanwhile, a user can adjust the angle of the child safety seat 200 more conveniently and laborsaving.

As can be appreciated, referring to fig. 11, the base 220 includes a base body 222 and a mounting bracket 223. The mounting bracket 223 is coupled to the base body 222, and the mounting bracket 223 has a plurality of adjustment holes 221. The base 220 is designed to comprise a base main body 222 and a mounting bracket 223, and the seat 210 is mounted on the base 220 through the connection between the adjusting mechanism 100 and the mounting bracket 223, so that the base 220 and the seat 210 can be completely separated, the seat 210 can be mounted on the base 220 in the forward direction or the reverse direction, and a user can select more using modes. Preferably, the number of the mounting brackets 223 may be two, and the mounting brackets 223 are symmetrically connected to the base body 222 at intervals along the second direction b, and meanwhile, the adjusting plate 130 has two first guiding grooves 131 symmetrically arranged along the second direction b, and the number of the locking members 120 is also two, and the two locking portions 121 are respectively inserted into the adjusting holes 221 of the two mounting brackets 223. Preferably, referring to fig. 12, one end of the adjusting plate 130 extends out of the bottom plate 110 to be positioned at the bottom of the seat 210, so that the user can conveniently pull the adjusting plate.

Further, referring to fig. 3 and 11, the mounting bracket 223 has a first sliding groove d extending along the first direction a, and the adjusting mechanism 100 further includes a side plate 150, a first sliding bar 160, and a fixing bar 170. The side plate 150 is connected to the bottom plate 110 and disposed opposite the mounting bracket 223, and the side plate 150 has a second sliding groove 151 extending in the first direction a. The first sliding rod 160 extends along the second direction b, one end of the first sliding rod 160 is connected to the side plate 150, and the other end of the first sliding rod 160 penetrates through the first sliding groove d. The fixing rod 170 extends along the second direction b, is connected to the mounting bracket 223, and penetrates the second sliding groove 151. Through setting up first slide bar 160 and dead lever 170, curb plate 150 is connected to the one end of first slide bar 160, and the first sliding tray d of installing support 223 is worn to locate to the other end, and the dead lever 170 is connected installing support 223 and is worn to locate the second sliding tray 151 of curb plate 150, makes the connection of adjustment mechanism 100 and base 220 more firm to make the seat be fixed in base 220 that can be more firm, promoted child safety seat 200's fail safe nature. Meanwhile, the first sliding rod 160 slides to abut against the groove wall of the first sliding groove d near the fixing rod 170, so as to remind the user that the angle is adjusted to the maximum angle, which is more practical and more careful.

As can be appreciated, referring to fig. 13, the child safety seat 200 may further include a seat belt holder 230 coupled to a side of the seat 210 for sandwiching a seat belt of the vehicle, so that the child safety seat 200 can be more firmly fixed in the vehicle.

Further, referring to fig. 14, the seat belt holder 230 includes a base 231 and a clip arm 232, the base 231 is connected to a side surface of the seat 210, and the clip arm 232 is rotatably connected to the base 231. Further, referring to fig. 15, the base 231 includes a bottom plate and a peripheral plate connected to the bottom plate, the bottom plate 110 is connected to a side surface of the seat 210, and a plurality of spaced anti-slip protrusions 2311 are provided on the peripheral plate. By providing the anti-slip protrusions 2311, the clamping effect and the anti-slip effect of the seat belt frame 230 can be improved, further enhancing the stability of the child safety seat 200. Preferably, the number of cleats 2311 is greater than or equal to four, and the height at which cleats 2311 extend toward clip arm 232 is greater than or equal to 3mm and less than or equal to 4mm.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, this is for convenience of description and simplification of the description, but does not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely used for illustration and are not to be construed as limitations of the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. An adjustment mechanism for use in a child safety seat, connected between a seat and a base of the child safety seat, for adjusting a position of the seat relative to the base, the base being formed with a plurality of adjustment apertures spaced apart along a first direction, the adjustment mechanism comprising:

the bottom plate is used for being mounted on the chair seat;

2. The adjusting mechanism as set forth in claim 1, wherein the driving portion includes a driving section and a mounting section, the mounting section is provided with a mounting hole, the driving section is connected with the adjusting plate, the locking portion includes a first locking section, a mating section and a second locking section, the mating section is located in the mounting hole, the first locking section is connected with one end of the mating section close to the driving section and abuts against the surface of the mounting section close to the driving section, the second locking section is connected with one end of the mating section far away from the driving section, and the second locking section is used for being inserted into different adjusting holes under the driving of the adjusting plate.

3. The adjustment mechanism of claim 2, wherein the mounting section comprises:

4. The adjusting mechanism as set forth in claim 1, wherein the adjusting plate has a first guiding groove disposed at an angle to the first direction and the second direction, and the driving portion is provided with a guiding post disposed in the first guiding groove, so that when the adjusting plate moves along the first direction relative to the bottom plate, the guiding post moves along the second direction under the guidance of the first guiding groove, so that the locking member can be inserted into different adjusting holes.

5. The adjusting mechanism according to claim 1, wherein the bottom plate is provided with a second guide groove extending along the second direction, a groove wall surface of the second guide groove comprises a first wall surface and a second wall surface which extend along the second direction and are opposite, and the driving part is abutted between the first wall surface and the second wall surface; the inner wall surface of the second guide groove further comprises a third wall surface perpendicular to the second direction and facing the driving part, and when the locking part is positioned in the adjusting hole, the driving part abuts against the third wall surface.

6. The adjustment mechanism of claim 1, wherein the adjustment plate is provided with a third guide slot extending in the first direction, and the base plate is provided with a mounting post positioned in the third guide slot, the adjustment mechanism further comprising:

7. The adjustment mechanism of claim 6, wherein the adjustment plate is provided with a hook, and wherein the resilient member comprises:

8. A child safety seat comprising the adjustment mechanism of claims 1-7, the base, and the seat.

9. The child safety seat of claim 8, wherein the base comprises:

a base body; and

10. The child safety seat of claim 9, wherein the mounting bracket has a first sliding slot extending in the first direction, the adjustment mechanism further comprising: