CN109795381B - Child safety seat and safety belt guide device thereof - Google Patents

Abstract

The invention discloses a safety belt guiding device and a child safety seat. The back rest part moves to enable the body to have at least two using positions; the safety belt guiding device comprises a blocking piece movably arranged on the base, a linkage structure which is arranged on the back part and is linked with the blocking piece, and a safety belt guiding channel which is arranged on the base and used for the safety belt of the automobile to pass through, wherein the safety belt guiding channel is provided with a notch for the safety belt to enter and exit; in the switching of the body between different using positions, the backrest part selectively drives the blocking piece to open or close the notch through the linkage structure, and the safety belt enters the safety belt guide channel from the opened notch to enable the independent body or the body assembled with the base to be fixed on the automobile seat, so that the child safety seat has the advantage of using diversity.

Description

Child safety seat and safety belt guide device thereof

Technical Field

The invention relates to the field of infant products, in particular to a child safety seat and a safety belt guiding device thereof.

Background

With the continuous development of economy and the continuous progress of scientific technology, extremely rich substance consumer products are provided for the life of people, and the child safety seat is one of the substance consumer products.

As is well known, the child safety seat is a baby product developed by enterprises specially aiming at infants, and by using the child safety seat, the damage to the infants caused by sudden braking or collision of automobiles and the like can be effectively prevented, so that the riding safety of the infants is ensured, the child safety seat is very popular with people, and the popularization strength of the child safety seat is further increased.

Currently, the existing child safety seats comprise a base and a body selectively assembled to or removed from the base, the body comprising a base, and a backrest portion and a seat portion movably disposed on the base, the seat portion and the backrest portion being pivotally connected to each other. When the child safety seat is mounted on the car seat, the base needs to be bound and fixed by means of a safety belt of the car seat, so that the child safety seat is reliably fixed on the car seat.

However, the body in the existing child safety seat cannot be detached from the base and separately fixed to the car seat, and can be fixed to the car seat only after being assembled with the base, because the existing child safety seat is fixed to the car seat by being bound by the seat belt of the car seat by virtue of the base, and the body is assembled on the base and cannot be bound and fixed by the seat belt, so that the use mode of the existing child safety seat is quite single.

Accordingly, there is a need for a child safety seat with multiple modes of use and a seat belt guide therefor that overcomes the above-described drawbacks.

Disclosure of Invention

An object of the present invention is to provide a webbing guide mechanism having various usage patterns.

It is another object of the present invention to provide a child safety seat with multiple modes of use.

In order to achieve the above purpose, the technical scheme of the invention is as follows: a seat belt guide is provided for a child safety seat. The child safety seat at least comprises a body, wherein the body comprises a base and a backrest part movably arranged on the base, and the backrest part is movable to enable the body to have at least two use positions. The safety belt guiding device comprises a blocking piece movably arranged on the base, a linkage structure which is arranged on the back rest part and is linked with the blocking piece, and a safety belt guiding channel which is arranged on the base and is used for the safety belt of the automobile to pass through; the safety belt guide channel is provided with a notch for the safety belt to enter and exit; in the process of switching the body between different using positions, the backrest part selectively drives the blocking piece to open or close the notch through the linkage structure.

Preferably, the body further comprises a seat part pivoted with the backrest part, and the seat part and the backrest part are pivoted with each other to switch the body between different using positions.

In order to achieve the above purpose, the technical scheme of the invention is as follows: a seat belt guide is provided for a child safety seat. The child safety seat at least comprises a body, wherein the body comprises a base, a backrest part and a seat part which are movably arranged on the base; the seat and the backrest are pivoted with each other, and the body has at least two use positions due to the mutual pivoting of the seat and the backrest. The safety belt guiding device comprises a blocking piece movably arranged on the base, a linkage structure which is arranged on the backrest part or the seat part and is linked with the blocking piece, and a safety belt guiding channel which is arranged on the base and used for the safety belt of the automobile to pass through, wherein the safety belt guiding channel is provided with a notch for the safety belt to pass in and out; in the process of switching the body between different using positions, the backrest part or the seat part selectively drives the blocking part to open or close the notch through the linkage structure.

Preferably, the barrier traverses or exits the belt guide channel to close or open the notch.

Preferably, the blocking member traverses the belt guide channel when the seat is ejected and the blocking member exits the belt guide channel when the seat is retracted.

Preferably, the blocking member leaves the belt guide channel when the body is switched to the most upright use position and crosses the belt guide channel when the body is switched to the remaining use position.

Preferably, the blocking member is provided with a pushed portion and an inclined transition portion inclined relative to the pushed portion, and the linkage structure drives the blocking member to open or close the notch in the sliding process between the inclined transition portion and the pushed portion.

Preferably, the belt guide of the present invention further comprises a first resilient member which has a constant tendency to urge the blocking member to open or close the notch.

Preferably, the seat belt guiding device of the present invention further comprises a fixing member disposed in the base, the seat belt guiding channel is disposed on the fixing member, and the first elastic member is connected to the blocking member and the fixing member, or the first elastic member is connected to the blocking member and the base.

Preferably, a first guiding component for guiding the mutual pivoting between the seat and the backrest is arranged between the seat and the base and/or between the seat and the backrest, and the linkage structure is formed on the first guiding component.

Preferably, the first guiding component comprises a first guiding groove on the side wall of the base and a first guiding piece on the side wall of the seat and/or the backrest and sliding along the first guiding groove, the linkage structure is positioned on the first guiding piece, and the side wall of the seat and/or the backrest faces the side wall of the base.

Preferably, the first guide member is a cylindrical structure.

Preferably, the safety belt guide channel is located on the side wall of the base, the notch of the safety belt guide channel is arranged upwards, the blocking piece is slidably arranged on the side wall of the base along the front-back direction of the base, and the first guide groove is arranged along the up-down direction of the base.

Preferably, a second elastic member is connected between the linking structure and the side wall of the base or between the first guiding member and the side wall of the base.

Preferably, a second guiding component for guiding the mutual pivoting between the seat and the backrest is arranged between the seat and/or between the seat and the backrest.

Preferably, the second guiding component comprises a second guiding groove on the side wall of the base and a second guiding piece on the side wall of the backrest part and/or the seat part, and the second guiding piece extends into the second guiding groove.

Preferably, a third guiding component for guiding the mutual pivoting between the seat and the backrest is arranged between the seat and/or between the seat and the backrest, and a gear adjusting identification structure which is linked with the third guiding component and is used for being in one-to-one correspondence with the using positions of the body is arranged on the side wall of the seat.

Preferably, the third guiding component comprises a third guiding groove on the side wall of the base and a third guiding piece on the side wall of the backrest part and/or the seat part, and the third guiding piece is linked with the gear adjusting mark structure.

To achieve the above object, the child safety seat of the present invention at least includes a body and the above-mentioned webbing guide mechanism. The body comprises a base and a backrest part movably arranged on the base, and the backrest part can move to enable the body to have at least two using positions.

To achieve the above object, the child safety seat of the present invention at least includes a body and the above-mentioned webbing guide mechanism. The body comprises a base, a backrest part and a seat part, wherein the backrest part and the seat part are movably arranged on the base, the seat part and the backrest part are mutually pivoted, and the seat part and the backrest part are mutually pivoted to enable the body to have at least two using positions.

Compared with the prior art, the safety belt guiding device comprises the blocking piece movably arranged on the base, the linkage structure which is arranged on the backrest part or the seat part and is linked with the blocking piece, and the safety belt guiding channel which is arranged on the base and is used for the safety belt of the automobile to pass through, wherein the safety belt guiding channel is provided with a notch; in the process of switching the body between different using positions, the backrest part selectively drives the blocking piece to open or close the notch through the linkage structure, and the safety belt enters the safety belt guide channel from the opened notch, so that the independent body is fixed on the automobile seat or is fixed on the automobile seat together with the base after being assembled with the base, and the child safety seat has various using modes and flexibility; more importantly, the force of the blocking member to open or close the notch of the webbing guide passage comes from the adjustment of the backrest by the operator, i.e., the blocking member follows the backrest to open or close the notch of the webbing guide passage, thus simplifying the operation of the operator and the structure of the webbing guide apparatus of the present invention.

Drawings

Fig. 1 is a schematic perspective view of a body of the child safety seat of the present invention when the body is used with a base.

Fig. 2 is a schematic plan view of the body of the child safety seat of the present invention when used alone.

Fig. 3 is a schematic perspective view of the body shown in fig. 2.

Fig. 4 is a schematic view of another angle perspective of the body shown in fig. 3.

Fig. 5 is a schematic perspective view of a further angle of the body shown in fig. 3.

Fig. 6 is a schematic perspective view of a backrest adjusting operation member for adjusting the angle of the backrest in the body shown in fig. 5.

Fig. 7 is a right side plan view of the body of the child safety seat of the present invention when used alone and in a reclined position.

Fig. 8 is a right side plan view of the body of the child safety seat of the present invention when used alone and in an intermediate position.

Fig. 9 is a right side plan view of the body of the child safety seat of the present invention when used alone and in a most upright position.

Fig. 10 is a schematic view of the planar internal structure of the body in the state shown in fig. 7 when the part of the right side wall of the base is hidden.

Fig. 11 is a schematic view of the planar internal structure of the body in the state shown in fig. 8 when the part of the right side wall of the base is hidden.

Fig. 12 is a schematic view of the planar internal structure of the body in the state shown in fig. 9 when the part of the right side wall of the base is hidden.

Fig. 13 is a schematic view showing a three-dimensional internal structure of the body in the state shown in fig. 7 when a part of the right side wall of the base is hidden.

Fig. 14 is a schematic view showing a perspective internal structure of the body in the state shown in fig. 9 when a part of the right side wall of the base is hidden.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like reference numerals represent like elements throughout.

Referring to fig. 1, the child safety seat 100 of the present invention includes a base 10 and a body 20 and a belt guide 30 selectively assembled to or removed from the base 10, such that the body 20 is assembled to the base 10 according to the use requirement, and is used with the base 10 or is removed from the base 10 to be used alone, as shown in fig. 2 and 3. The body 20 includes a base 20a, a backrest 20b movably disposed on the base 20a, and a seat 20c, so that the body 20 is more suitable for children, as shown in fig. 4, the backrest 20b is further provided with a headrest 20e with adjustable stage and a headrest adjusting operation member 20f disposed on the headrest 20e for adjusting the headrest 20e, but is not limited thereto. The seat portion 20c and the backrest portion 20b are pivoted to each other, and the body 20 has three usage positions due to the mutual pivoting of the seat portion 20c and the backrest portion 20b, however, in other embodiments, the body 20 has two, four or five usage positions due to the mutual pivoting of the seat portion 20c and the backrest portion 20b, which is not limited thereto. For convenience of description, the three use positions of the body 20 are referred to as a lying-most position, a middle position and an upright-most position, respectively, corresponding to the states shown in fig. 7 to 9 or fig. 10 to 12, respectively. In order to maintain the state when the backrest 20b and the seat 20c are switched to the lying-most position, the middle position or the standing-most position, as shown in fig. 5 and 10 to 14, the left and right side walls 26 of the backrest 20b are each slidably provided with a locking pin 20i, and the left and right side walls 21 of the base 20a are each correspondingly provided with three spaced-apart locking holes 211, so that the body 20 is located in the corresponding lying-most position, middle position or standing-most position when the locking pin 20i is selectively locked with the different locking holes 211; in order to release the lock of the latch 20i, as shown in fig. 4, a back adjustment operation member 20g is further provided at the rear of the back portion 20b, and the schematic perspective view is shown in fig. 6. The end of the contact leg 27 of the backrest adjustment operating member 20g is connected to the locking pin 20i, and the user operates the backrest adjustment operating member 20g to disengage the locking pin 20i from the engagement hole 211, thereby releasing the lock of the body 20 in the lying position, the intermediate position or the upright position, and allowing the body 20 to be switched between the lying position, the intermediate position and the upright position. In order to make the pivoting operation of the seat 20c and the backrest 20b smoother and more reliable, as shown in fig. 10 to 14, a first guide member 23 and a second guide member 24 for guiding the mutual pivoting between the seat 20c and the backrest 20b are provided between the base 20a and the backrest 20b, a third guide member 25 for guiding the mutual pivoting between the seat 20c and the backrest 20b is provided between the base 20a and the seat 20c, a linking structure 32 described below is formed on the first guide member 23, specifically, in this embodiment, the first guide member 23 includes a first guide groove 23b located on the side wall 21 of the base 20a, a first guide member 23a located on the side wall 26 of the backrest 20b and extending into the first guide groove 23b and being slidable along the first guide groove 23b, the second guide member 24 includes a second guide groove 24b located on the side wall 21 of the base 20a and a second guide member 24a located on the side wall 26 of the backrest 20b, and the second guide member 24a located on the third guide groove 25b located on the side wall 25a of the base 20 b; the side wall 26 of the backrest 20b faces the side wall 21 of the base 20a, and the side wall 22 of the seat 20c faces the side wall 21 of the base 20 a; the linking structure 32 is formed on the first guide 23a, which can be understood that the linking structure 32 is a part of the first guide 23a, but is not limited thereto; the side wall 21 of the base 20a may be further provided with a gear adjusting identification structure 50 linked with the third guide member 25a and used for corresponding to the using positions of the body 20 one by one; as shown in fig. 10 to 12, in the process of switching the body 20 from the lying position to the standing position by mutually pivoting the seat portion 20c and the backrest portion 20b, the second guide 24a is slid from the right end to the left end of the second guide groove 24b, the third guide 25a is slid from the right end to the left end of the third guide groove 25b, and the first guide 23a is slid from the upper end to the lower end of the first guide groove 23b, so that the linking structure 32 is driven by the slid first guide 23 a. It should be noted that the first guide member 23, the second guide member 24 and the third guide member 25 need not be disposed between the base 20a and the seat 20c and between the base 20a and the backrest 20b at the same time, and may be disposed at either position; in other embodiments, the second guide member 24 and the third guide member 25 are deleted, or only the second guide member 24 is deleted, or only the third guide member 25 is deleted. For the specific structure and relationship of the second guide assembly 24, the third guide assembly 25, the base 20a and the seat 20c, the specific structure and relationship of the backrest adjustment operating member 20g, the bayonet 20i and the engagement hole 211, and the specific structure and relationship of the seat 20c and the backrest 20b, reference should be made to the patent application of chinese patent No. 201510757603.0, and therefore, the detailed description thereof will not be given here.

As shown in fig. 1 to 3 and fig. 7 to 14, the webbing guide mechanism 30 is provided on the child safety seat 100, the webbing guide mechanism 30 includes a blocking member 31 movably provided on the base 20a, a linking structure 32 provided on the backrest 20b and linked with the blocking member 31, and a webbing guide passage 35 provided on the base 20a for passing through a webbing of an automobile, the webbing guide passage 35 having a notch 35a for facilitating entry and exit of the webbing of the automobile into and from the webbing guide passage 35; specifically, in the present embodiment, the webbing guide passage 35 is located on the side wall 21 of the base 20a, and the notch 35a of the webbing guide passage 35 is arranged upward so as to facilitate the operation of the operator, but is not limited thereto; the blocking member 31 is slidably disposed on the base 20a, preferably on the left and right side walls 21 of the base 20a, and the backrest 20b drives the blocking member 31 to traverse or leave the seat belt guiding channel 35 to close or open the notch 35a, however, in other embodiments, the blocking member 31 may be pivotally assembled on the base 20a, and the backrest 20b drives the blocking member 31 to pivot to open or close the notch 35a, which is not limited thereto. When the body 20 is switched from the lying position or the middle position to the standing position, the backrest 20b drives the blocking member 31 to open the notch 35a through the linkage structure 32, as shown in fig. 12 or 14, and at this time, the seat belt of the vehicle enters the seat belt guiding channel 35 through the opened notch 35a, so that the body 20 can be fixed on the vehicle seat by the seat belt of the vehicle. For example, as shown in fig. 9, 12 and 14, in the present embodiment, the blocking member 31 is retracted into the base 20a and separated from the webbing guide passage 35 when the body 20 is switched to the most straight position; as shown in fig. 7, 8, 10, 11 and 13, in the present embodiment, the blocking member 31 ejects the base 20a when the body 20 is switched to the lie-most position or the intermediate position, traversing the webbing guide passage 35. It is understood that the linking structure 32 is disposed on the seat 20c, and the blocking member 31 can be selectively driven to open or close the notch 35a by the linking structure 32 during the switching process of the body 20 among the lying position, the middle position and the straight position, which is not limited thereto.

As shown in fig. 10 to 14, since the linking structure 32 is formed on the first guiding component 23, specifically on the first guiding piece 23a of the first guiding component 23, the linking structure 32 is integrated with the first guiding piece 23a, so that the first guiding component 23 drives the blocking piece 31 to move, thereby simplifying the structure and operation process. Specifically, in the present embodiment, the belt guide 30 further includes a first elastic member 33 and a fixing member 34 disposed in the base 20a, and the first elastic member 33 has a constant tendency to drive the blocking member 31 to open the notch 35a, so as to facilitate the operation of threading the seat belt; the seat belt guide channel 35 is located on the fixing member 34, and the first elastic member 33 is connected to the fixing member 34 and the blocking member 31; of course, in other embodiments, the first elastic member 33 has a constant tendency to drive the blocking member 31 to close the notch 35a, and the first elastic member 33 is connected to the blocking member 31 and the base 20, but is not limited thereto; for example, in the present embodiment, the first elastic member 33 is a compression spring, but is not limited to this example. In order to make the linking structure 32 more reliably link the blocking member 31 to open or close the gap 35a, the blocking member 31 has a pushed portion 311 and an inclined transition portion 312 inclined relative to the pushed portion 311, and the linking structure 32 drives the blocking member 31 to close the gap 35a in the process of sliding from the inclined transition portion 312 to the pushed portion 311, however, in other embodiments, the linking structure 32 drives the blocking member 31 to open the gap 35a in the process of sliding from the inclined transition portion 312 to the pushed portion 311, i.e. the linking structure 32 drives the blocking member 31 to open or close the gap 35a in the process of sliding between the inclined transition portion 312 and the pushed portion 311, so that the present invention is not limited thereto; in order to make the linkage between the linkage structure 32 and the blocking member 31 smoother, the linkage structure 32 may be a cylindrical structure, and the second elastic member 40 is connected between the first guiding member 23a and the side wall 21 of the base 20a, however, in other embodiments, the second elastic member 40 may be connected between the linkage structure 32 and the side wall 21 of the base 20a, so that the invention is not limited thereto; for example, the second elastic member 40 is an extension spring, but is not limited thereto. It should be noted that in other embodiments, at least one of the first elastic member 33 and the fixing member 34 in the webbing guide mechanism 30 may be eliminated.

As shown in fig. 10 to 14, the child safety seat 100 of the present invention may further include a gear adjustment indicating structure, and the gear adjustment indicating structure 50 includes a first pivot swinging member 51 and a second pivot swinging member 52. The first pivot swinging member 51 and the second pivot swinging member 52 are pivoted on the side wall 21 of the base 20a, preferably, the middle parts of the first pivot swinging member 51 and the second pivot swinging member 52 are pivoted with the side wall 21 of the base 20a, so that the pivot point of the first pivot swinging member 51 is located between two ends of the first pivot swinging member 51, and the pivot point of the second pivot swinging member 52 is located between two ends of the second pivot swinging member 52, one end of the first pivot swinging member 51 is connected with the third guide member 25a, the other end of the first pivot swinging member 51 is linked with one end of the second pivot swinging member 52, the second pivot swinging member 52 is provided with a gear adjusting mark 521 corresponding to the use position of the body 20 one by one, and the side wall 21 of the base 20a is provided with a window 212 opposite to one of the gear adjusting marks 521; therefore, as shown in fig. 10 to 12, in the process of mutually pivoting the seat 20c and the backrest 20b to switch the body 20 from the lying position to the standing position, the third guide member 25a slides from the right end to the left end of the third guide slot 25b, so as to drive the first pivot member 51 to pivot, and then the first pivot member 51 drives the second pivot member 52 to pivot, so that one of the gear adjusting marks 521 on the second pivot member 52 faces the window 212; for example, as shown in fig. 7, when the body 20 is in the most lying position, the window 212 is opposite to one gear of the gear adjusting mark 521; as shown in fig. 8, when the main body 20 is at the middle position, the window 212 is opposite to the second gear in the gear adjusting mark 521; as shown in fig. 9, when the body 20 is in the most upright position, the window 212 is aligned with the third gear in the gear adjustment mark 521.

The switching of the body between the lying-most position, the intermediate position and the upright-most position in the child safety seat according to the present invention will be described with reference to the accompanying drawings: when the body 20 in the most lying position shown in fig. 7, 10 or 13 is to be switched to the body 20 in the middle position shown in fig. 8 or 11, the user operates the backrest adjustment operation member 20g, and the backrest adjustment operation member 20g drives the bayonet 20i to disengage from the engagement hole 211 on the rightmost side of the base 20a, so as to allow the backrest 20b and the base 20a to pivot relative to each other; when the backrest 20b and the base 20a are pivoted to the intermediate position shown in fig. 8 or 11, the user releases the operation of the backrest adjustment operation member 20g, and the latch 20i is engaged with the engagement hole 211 in the middle of the base 20a, as shown in fig. 8 or 11; when the main body 20 is continuously switched to the state shown in fig. 9, 12 or 14, the user operates the backrest adjustment operating member 20g again, and the backrest adjustment operating member 20g drives the locking pin 20i to disengage from the locking hole 211 in the middle of the base 20a, so as to allow the backrest 20b and the base 20a to mutually pivot; when the back rest 20b and the base 20a are pivoted to the most upright position of the body 20 as shown in fig. 9, 12 or 14, the user releases the operation of the back rest adjustment operation member 20g, and the latch 20i is engaged with the leftmost engaging hole 211 of the base 20a, as shown in fig. 12 or 14. When the body 20 is in the lie-down position, as shown in fig. 10, the third guide member 25a is located at the right end of the third guide slot 25b, so that the first gear of the gear adjusting mark 521 is opposite to the window 212, as shown in fig. 7; at the same time, the first guide member 23a is located at the upper end of the first guide groove 23b, so that the linking structure 32 pushes the blocking member 31 across the seat belt guiding channel 35 to close the notch 35a, and the first elastic member 33 is in a compressed state. When the main body 20 is at the middle position, as shown in fig. 11, the third guide member 25b slides to the middle of the third guide groove 25a, so that the second gear in the gear adjusting mark 521 is opposite to the window 212, and the state is shown in fig. 8; at the same time, the first guide member 23a slides to the middle of the first guide groove 23b, and the linkage structure 32 on the first guide member 23a still abuts against the pushed portion 311 of the blocking member 31, so that the blocking member 31 maintains a state of traversing the belt guiding channel 35, and the first elastic member 33 is still in a compressed state. When the body 20 is at the most upright position, as shown in fig. 12, the third guide member 25a slides to the left end of the third guide groove 25b, so that the third gear in the gear adjusting mark 521 is opposite to the window 212, and the state is shown in fig. 9; at the same time, the first guide member 23a slides to the lower end of the first guide groove 23b, and the first elastic member 33 at this time is released so that the interlocking structure 32 abuts against the inclined transition portion 312 of the blocking member 31, thereby keeping the blocking member 31 in a state of being separated from the webbing guide passage 35, as shown in fig. 9.

Compared with the prior art, the safety belt guiding device 30 of the invention comprises the blocking piece 31 movably arranged on the base 20a, the linkage structure 32 which is arranged on the backrest part 20b or the seat part 20c and is linked with the blocking piece 31, and the safety belt guiding channel 35 which is arranged on the base 20a and is used for the safety belt of the automobile to be put through, wherein the safety belt guiding channel 35 is provided with a notch 35a; in the process of switching the body 20 between different using positions, the backrest 20b or the seat 20c selectively drives the blocking member 31 to open or close the notch 35a through the linkage structure 32, and the safety belt enters the safety belt guide channel 35 from the opened notch 35a, so that the independent body 20 is fixed on the automobile seat, or is fixed on the automobile seat together with the base 10 after being assembled with the base 10, thus the child safety seat 100 of the invention has various using modes and flexibility; more importantly, the force of the blocking member 31 to open or close the notch 35a of the webbing guide passage 35 comes from the operator's mutual pivotal adjustment between the backrest portion 20b and the seat portion 20c, i.e., the blocking member 31 follows the mutual pivotal adjustment between the backrest portion 20b and the seat portion 20c to open or close the notch 35a of the webbing guide passage 35, thus simplifying the operation of the operator and the structure of the webbing guide mechanism 30 of the present invention.

It should be noted that in other embodiments, the child safety seat 100 only includes the body 20 and the seat belt guide 30; also, in other embodiments, the body 20 may be designed to include only the base 20a and the backrest 20b movably disposed on the base 20a, and accordingly, the three usage positions of the body 20 are obtained by the movement of the backrest 20b relative to the base 20 a; since the body 20 is not provided with the seat 20c, the body 20 in other embodiments only retains the first guide member 23 and the second guide member 24 correspondingly, and thus is not limited to the above example.

The foregoing description of the preferred embodiments of the present invention is not intended to limit the scope of the claims, which follow, as defined in the claims.

Claims (20)

1. The safety belt guiding device is arranged on the child safety seat and at least comprises a body, wherein the body comprises a base and a backrest part movably arranged on the base, and the backrest part is movable to enable the body to have at least two use positions; in the process of switching the body between different using positions, the backrest part selectively drives the blocking piece to open or close the notch through the linkage structure.

2. The seat belt guide of claim 1, wherein the body further comprises a seat portion pivotally connected to the backrest portion, the seat portion and the backrest portion being pivoted to each other to switch the body between different use positions.

3. The seat belt guiding device is arranged on the child safety seat and at least comprises a body, wherein the body comprises a base, a backrest part and a seat part, the backrest part and the seat part are movably arranged on the base, the seat part and the backrest part are mutually pivoted, and the seat part and the backrest part are mutually pivoted to enable the body to have at least two using positions, and the seat belt guiding device is characterized by comprising a blocking piece, a linkage structure and a seat belt guiding channel, wherein the blocking piece is movably arranged on the base, the linkage structure is arranged on the backrest part or the seat part and is in linkage with the blocking piece, the seat belt guiding channel is arranged on the base and is used for allowing a seat belt of an automobile to pass through, and the seat belt guiding channel is provided with a notch for allowing the seat belt to pass in and out; in the process of switching the body between different using positions, the backrest part or the seat part selectively drives the blocking piece to open or close the notch through the linkage structure.

4. A seat belt guide as claimed in claim 3, wherein the barrier traverses or exits the seat belt guide channel to close or open the aperture.

5. The seat belt guide of claim 4, wherein the blocking member traverses the seat belt guide channel upon ejection of the seat, and the blocking member exits the seat belt guide channel upon retraction into the seat.

6. A seat belt guide as claimed in claim 3, wherein the blocking member leaves the seat belt guide channel when the body is switched to the most upright use position, the blocking member traversing the seat belt guide channel when the body is switched to the remaining use position.

7. A belt guide as claimed in claim 3, wherein the blocking member has a pushed portion and an inclined transition portion inclined relative to the pushed portion, and the linking structure drives the blocking member to open or close the notch during sliding between the inclined transition portion and the pushed portion.

8. The seat belt guide of claim 3 further comprising a first resilient member having a constant tendency to urge the blocking member to open or close the notch.

9. The belt guide of claim 8, further comprising a fastener disposed within the base, the belt guide channel being located on the fastener, the first resilient member being connected to the barrier and the fastener, or the first resilient member being connected to the barrier and the base.

10. A seat belt guide as claimed in claim 3, wherein a first guide assembly for guiding the mutual pivoting between the seat and the backrest is provided between the seat and/or between the seat and the backrest, the interlock being formed on the first guide assembly.

11. The seat belt guide of claim 10, wherein the first guide assembly comprises a first guide slot on a side wall of the base and a first guide member on and sliding along a side wall of the seat and/or backrest, the interlock structure being located on the first guide member with the side wall of the seat and/or backrest facing the side wall of the base.

12. The seat belt guide of claim 11, wherein the first guide is a cylindrical structure.

13. The webbing guide mechanism of claim 11, wherein the webbing guide passage is located on a side wall of the base, and the notch of the webbing guide passage is disposed upward, the blocking member is slidably disposed on the side wall of the base in a front-rear direction of the base, and the first guide groove is disposed in a top-bottom direction of the base.

14. The webbing guide mechanism of claim 11, wherein a second elastic member is connected between the interlocking structure and a side wall of the base or between the first guide member and a side wall of the base.

15. A seat belt guide as claimed in claim 3, wherein a second guide assembly is provided between the base and the seat portion and/or between the base and the backrest portion for guiding the mutual pivoting between the seat portion and the backrest portion.

16. The seat belt guide of claim 15, wherein the second guide assembly includes a second guide slot in a side wall of the base and a second guide on a side wall of the backrest and/or seat, the second guide extending into the second guide slot.

17. A seat belt guide as claimed in claim 3, wherein a third guide assembly for guiding the mutual pivoting between the seat and the backrest is provided between the seat and the base and/or between the seat and the backrest, and a gear adjustment identification structure linked with the third guide assembly and used for one-to-one correspondence with the use position of the body is provided on the side wall of the base.

18. The seat belt guide of claim 17, wherein the third guide assembly comprises a third guide slot on a side wall of the base and a third guide on a side wall of the backrest and/or seat, the third guide being in communication with the gear adjustment identification structure.

19. Child safety seat comprising at least a body comprising a base and a back portion movably arranged on the base, the back portion being movable to provide the body with at least two positions of use, characterized in that the child safety seat further comprises a belt guide according to any one of claims 1 to 2.

20. Child safety seat comprising at least a body comprising a base and a backrest and a seat movably arranged on the base, the seat and the backrest being mutually pivoted so that the body has at least two positions of use, characterized in that the child safety seat further comprises a belt guide according to any one of claims 3 to 18.