CN111387755A

CN111387755A - Children dining chair

Info

Publication number: CN111387755A
Application number: CN202010388447.6A
Authority: CN
Inventors: 戎森立
Original assignee: Cixi Yiqin Baby Products Co ltd
Current assignee: Cixi Yiqin Baby Products Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-07-10

Abstract

The invention discloses a child dining chair, which comprises a dining table assembly (10), a seat assembly (20) and a dinner plate assembly (30), wherein the seat assembly (20) is detachably arranged on the dining table assembly (10), and the dinner plate assembly (30) is detachably arranged on the seat assembly (20); the dining table component (10) comprises a table top (101) and table legs (105) which are detachably fixed below the table top (101), and the positions, corresponding to the connection positions of the table legs (105), on the table top (101) are downwards concave to form grooves (1011); the seat assembly (20) comprises a seat frame (201) and a seat leg (203) detachably fixed below the seat frame (201), wherein the seat leg (203) is detachably inserted into the groove (1011); the center of a table top (101) of the dining table component (10) is provided with a hollow hole (1017), a circle of limiting groove (1012) is formed around the hollow hole (1017) in a downward concave mode so as to limit and fix a seat pocket, and the dining table component (10) further comprises a first cover plate (1014) covering the groove (1011) and a second cover plate (1015) covering the hollow hole (1017). The child dining chair can be used as a table and a chair for a child to have a dinner separately, can also be combined as a child high-position dining chair, or can be used as a child jumping chair independently, and the functions of the child dining chair are greatly expanded.

Description

Children dining chair

Technical Field

The invention relates to the technical field of child dining chairs, and particularly discloses a multifunctional child dining chair.

Background

With the improvement of living standard of people, the child dining chair is a necessary article for infants, and is mainly used for providing safe and comfortable conditions for the infants when eating. The existing child dining chair has various styles, and the newly developed multifunctional child dining chair is inadvisable.

For example, chinese patent application CN108552851A discloses a multifunctional child dining chair for children, which comprises a child seat and a first seat detachably connected to the child seat, wherein the child seat is provided with a seat connecting device for detachably connecting the first seat. The child dining chair comprises a child seat for children of 6-36 months old and a first seat for children of 30kg old, wherein the child seat can be provided for children of 6-36 months old, the first seat is detachably connected with the child seat, and when the children of the old want to sit down, the children seat can be sat on the first seat by detaching the child seat from the first seat, so that the child dining chair has the function of being used for the children of the old, and the use requirements of users are fully met. In addition, CN108420232A provides a multifunctional child dining chair, which comprises a dining chair frame, a seat disposed on the dining chair frame, and a plurality of roller assemblies disposed at the bottom of the dining chair frame, wherein the dining chair frame comprises two walking learning underframe respectively disposed at the left and right sides, and a support frame disposed above the walking learning underframe and used for holding an infant, the roller assemblies are disposed on the walking learning underframe, a walking learning space for the infant to stand is formed between the two walking learning underframe, and the support frame comprises a support rod extending along the left and right directions. When the multifunctional child dining chair provided by the invention is placed in a walking space, an infant holds the holding rod by hands, and the walking is moved, so that the child dining chair can be used as a walker.

On above-mentioned multi-functional basis, the function of children's dining chair has further been developed to this application, provides a detachable and has worked as infant with regard to dining table, chair, also can make up and work as children's high position dining chair, or does the multi-functional children's dining chair that children's jump chair used alone.

Disclosure of Invention

The invention aims to provide a multifunctional child dining chair which can be used as a dining table and a chair for a child separately, can be used as a high-position child dining chair for the child in combination, or can be used as a jumping chair for the child separately.

The invention is realized by the following technical scheme: a child dining chair comprises a dining table assembly, a seat assembly and a dinner plate assembly, wherein the seat assembly is detachably arranged on the dining table assembly, and the dinner plate assembly is detachably arranged on the seat assembly; the dining table component comprises a table top and table legs which are detachably fixed below the table top, and the positions, corresponding to the connection positions of the table legs, on the table top are downwards concave to form grooves; the seat component comprises a seat frame and seat legs which are detachably fixed below the seat frame, and the seat legs are detachably inserted in the grooves; the dining table component is characterized in that a hollow hole is formed in the center of a table top of the dining table component, a circle of limiting groove is formed around the hollow hole in a downward concave mode to limit and fix a seat pocket, and the dining table component further comprises a cover plate I covering the groove and a cover plate II covering the hollow hole.

By the technical scheme, the seat assembly can be used as a high-position dining chair for children under the condition that the seat assembly is arranged on the dining table assembly; the seat assembly can be detached from the dining table assembly to be used as a single dining table and a seat, and can also be used as a toy table or a learning table; the independent dining table component can be demolishd apron two, and the pocket is sat in the dress, uses as jumping chair for this child dining chair can realize a plurality of usage functions, is a multi-functional child dining chair of a section.

In one example of the invention, a hollow first connecting piece is fixed below the table top of the dining table component, a first through hole is arranged on the inner side of the first connecting piece, a first pressing column which can be retracted into the first table leg is arranged on the inner side of the upper end of the first table leg, when the first table leg is installed below the table top, the upper end of the first table leg is inserted into the first connecting piece, and the first pressing column is clamped into the first through hole.

Through above-mentioned technical scheme, press the post one and can be pressed in the indentation table foot, press and to be protruding to establish outside the table foot when not pressed, realized the demountable installation of table foot on connecting piece one like this.

In one example of the invention, the foot is a retractable foot.

In one example of the invention, the table leg comprises an upper support rod and a lower support rod movably sleeved at the lower end of the upper support rod, a hinge seat is fixed on the inner side of the upper part of the lower support rod, a lever pressing block is hinged on the hinge seat, an inserting column is convexly arranged at the lower end of the lever pressing block, which is opposite to the pressing end, in the lower support rod, an inserting hole is arranged at the corresponding position of the lower support rod, a plurality of second through holes are arranged at intervals on the upper support rod, and the inserting column penetrates through the inserting hole and is inserted into.

Through above-mentioned technical scheme, press the lever and press the end of pressing the piece, can leave the jack with inserting the post perk, just so can reciprocate lower branch, adjust to needs length, loosen and press the end, insert the post and reinsert in jack, perforation two, realize going up branch and lower branch fixed.

In one example of the invention, a fixed groove is concavely arranged on one side of the inner side of the desktop groove, which faces to the center of the desktop, a linkage pressing block is fixed in the lower end of the chair leg, the linkage pressing block comprises a second pressing column and a fixed column, which are arranged on the side surface of the chair leg in a protruding way, when the seat assembly is installed on the dining table assembly, the lower end of the chair leg is inserted in the groove, and the fixed column is clamped in the fixed groove.

Through above-mentioned technical scheme, the fixed column of linkage press block is used for the card to go into in the fixed slot and realizes the fixed of chair foot in the recess, presses the post second and exposes outside the recess to supply to press the use.

In one example of the present invention, a connecting seat having a plurality of hollow second connecting members is fixed below a seat frame of a seat assembly, a third through hole is formed in an inner side of the second connecting member, a third pressing post retractable into the seat leg is formed in an inner side of an upper end of the seat leg, and when the seat leg is installed below the seat frame, the upper end of the seat leg is inserted into the second connecting member and the third pressing post is engaged into the third through hole.

Through above-mentioned technical scheme, press the third cooperation of punching a hole three on post and the connecting piece and use for the chair foot can be dismantled.

In one example of the invention, the tray assembly includes an upper tray removably secured to the frame arms, a lower tray removably secured to the lower tray, and a tray crotch secured below the lower tray.

In one example of the invention, a horizontal sliding groove is arranged on the outer side of the chair frame handrail, a sliding block is arranged on the inner side of the chassis, and the sliding block is fixed on the sliding groove in a sliding manner.

In one example of the invention, the outer sides of the armrests on both sides of the chair frame are respectively provided with a horizontal sliding groove, the inner sides of both sides of the chassis are respectively provided with a sliding block, and the sliding blocks are fixed on the sliding grooves in a sliding manner.

In one example of the invention, a clamping groove is arranged below the horizontal sliding groove, the middle of the sliding block is hollow, the dinner plate assembly further comprises a clamping piece, the clamping piece is clamped in the middle of the sliding block, and the chassis is fixed on the chair frame handrail by simultaneously clamping the clamping groove and the sliding block through the clamping piece.

In one example of the invention, a track groove is arranged between the hollow hole and the limiting groove, the sitting pocket comprises an annular outer wall and an annular inner wall which are integrally connected at the upper part, a plurality of rollers are arranged between the annular outer wall and the annular inner wall, a plurality of hooks are arranged on one side of the annular inner wall facing the annular outer wall, when the sitting pocket annular outer wall is fixed on the limiting groove, the rollers roll and contact the track groove, and the hooks hook the table top.

In one example of the invention, the chair leg is rectangular in cross section, the groove is a rectangular groove, and the first cover plate is a rectangular cover plate.

In one example of the present invention, the hollow hole is a circular hole, and the second cover plate is a circular cover plate.

In one example of the present invention, four table legs are provided below the table top, and four chair legs are provided below the chair frame.

Compared with the prior art, the invention has the following beneficial effects: the child dining chair has multiple functions, can be used as a table and a chair for a child to eat separately, can also be combined as a child high-position dining chair, or can be used as a child jumping chair independently, and the functions of the child dining chair are greatly expanded.

Drawings

FIG. 1 is a view of a child seat of the present invention as a high chair;

FIG. 2 is a view of the child seat of the present invention in use as a stand-alone table and chair;

FIG. 3 is a view showing the usage of the children's dining chair as a jumping chair;

FIG. 4 is an exploded view of the seating and tray assemblies of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is an exploded view of the dining table assembly of the present invention;

fig. 7 is an exploded view of the seat bag and the table top according to the present invention.

In the figure, 10, the table component; 101. a desktop; 1011. a groove; 1012. a limiting groove; 1013. a track groove; 1014. a first cover plate; 1015. a second cover plate; 1016. fixing grooves; 1017. a hollow bore; 102. a first connecting piece; 1021. punching a first hole; 103. an upper support rod; 1031. pressing the first column; 1032. punching a second hole; 104. a lower support rod; 1041. a hinged seat; 1042. a lever pressing block; 1043. inserting a column; 1044. a pressing end; 1045. a low-order end; 105. a table leg; 20. a seat assembly; 201. a chair frame; 2011. a handrail; 2012. a horizontal chute; 2013. a clamping groove; 202. a connecting seat; 2021. a second connecting piece; 2022. punching a hole III; 203. chair legs; 2031. pressing the third column; 2032. pressing the second column; 2033. fixing a column; 30. a tray assembly; 301. hanging the plate; 302. a chassis; 303. the dinner plate protects the crotch; 304. a sliding member; 3041. sliding edges; 3042. a convex column; 305. a clamping piece; 3051. a clamping tooth; 3052. punching a hole; 3053. pulling a plate; 3054. a rib; 40. a bag is seated; 401. an annular inner wall; 402. an annular outer wall; 403. hooking; 404. and a roller.

Detailed Description

Referring to fig. 1, a child dining chair comprises a table assembly 10, a seat assembly 20 and a tray assembly 30, wherein the seat assembly 20 is detachably mounted on the table assembly 10, and the tray assembly 30 is detachably mounted on the seat assembly 20. Specifically, the dining table assembly 10 comprises a table top 101 and table legs 105 detachably fixed below the table top 101, and the positions, corresponding to the connection positions of the table legs 105, on the table top 101 are concave downwards to form grooves 1011; the seat assembly 20 comprises a seat frame 201 and a seat leg 203 detachably fixed below the seat frame 201, wherein the seat leg 203 is detachably inserted into the groove 1011; the center of the table top 101 of the table component 10 is provided with a hollow hole 1017, a circle of limiting groove 1012 is formed around the hollow hole 1017 in a downward concave mode so as to limit and fix the seat pocket 40, and the table component 10 further comprises a first cover plate 1014 covering the groove 1011 and a second cover plate 1015 covering the hollow hole 1017. Fig. 1 shows the child dining chair of the present invention in use as a high chair, wherein the first cover plate 1014 of the dining table assembly 10 is removed and the legs 203 of the seat assembly 20 are inserted into the recesses 1011 of the table top 101. As shown in fig. 2, the seat assembly 20 can be removed from the table assembly 10 for use as a separate table and seat, wherein the center opening of the table assembly 10 is covered by the second cover 1015 and the recess 1011 is covered by the first cover 1014. For ease of use, the tray assembly 30 can now be removed from the seat assembly 20. Referring to fig. 3, the table assembly 10 is taken out independently, the second cover 1015 is removed, and the seat pocket 40 is fixed on the limiting groove 1012, so that the jump chair is assembled and can be used by children independently.

Referring to fig. 6, in one embodiment of the present invention, the table legs 105 of the table assembly 10 are detachable from the table top 101 by: a plurality of hollow first connecting pieces 102 are fixed below the desktop 101, through holes 1021 are formed in the inner sides of the first connecting pieces 102, first pressing columns 1031 capable of retracting into the first table legs 105 are arranged on the inner sides of the upper ends of the first table legs 105, the upper ends of the first table legs 105 with the first pressing columns 1031 can be inserted into the first connecting pieces 102, and when the first table legs 105 are installed below the desktop 101, the upper ends of the first table legs 105 are inserted into the first connecting pieces 102 and the first pressing columns 1031 are clamped into the through holes 1021. When the pressing post 1031 is pressed to retract the pressing post into the table leg 105, the table leg 105 can be detached from the table top 101. The upper end of the first connecting member 102 is larger than the lower end, and the hollow inner part of the upper end just accommodates the concave groove 1011 on the table top 101.

Referring to fig. 6, preferably, the feet 105 are retractable feet 105. In an embodiment of the invention, the table foot 105 includes an upper supporting rod 103 and a lower supporting rod 104 movably sleeved on a lower end of the upper supporting rod 103, a hinge seat 1041 is fixed on an inner side of an upper portion of the lower supporting rod 104, a lever pressing block 1042 is hinged on the hinge seat 1041, a lower end 1045 of the lever pressing block 1042, which is opposite to the pressing end 1044, is provided with an insertion column 1043 protruding inwards the lower supporting rod 104, a corresponding position of the lower supporting rod 104 is provided with an insertion hole, the upper supporting rod 103 is provided with a plurality of through holes two 1032 at intervals, and the insertion column 1043 is inserted into the through holes two 1032 through the insertion. The inserting column 1043 can be tilted away from the inserting hole by pressing the pressing end 1044 of the pressing block 1042 of the lever, so that the lower support rod 104 can be moved up and down to adjust to a required length, the pressing end 1044 is loosened, and the inserting column 1043 is reinserted into the inserting hole and the second through hole 1032, thereby fixing the upper support rod 103 and the lower support rod 104.

Referring to fig. 4, in one embodiment of the present invention, the seat assembly 20 is removably mounted to the table and chair assembly in the following manner: the inner side of the groove 1011 of the desktop 101 towards the center of the desktop 101 is concavely provided with a fixing groove 1016, the lower end of the chair leg 203 is internally fixed with a linkage pressing block, the linkage pressing block comprises a pressing column II 2032 and a fixing column 2033 which protrude out of the side surface of the chair leg 203, when the seat assembly 20 is installed on the dining table assembly 10, the lower end of the chair leg 203 is inserted into the groove 1011, and the fixing column 2033 is clamped into the fixing groove 1016. The fixing post 2033 of the linkage pressing block is used for being clamped into the fixing groove 1016 to fix the chair leg 203 in the groove 1011, and the second pressing post 2032 is exposed out of the groove 1011 for pressing.

Referring to fig. 4, in an embodiment of the invention, a connection seat 202 having a plurality of hollow connectors 2021 is fixed below a seat frame 201 of a seat assembly 20, a third through hole 2022 is formed inside the second connector 2021, a third pressing column 2031 retractable into the seat leg 203 is formed inside an upper end of the seat leg 203, and when the seat leg 203 is installed below the seat frame 201, the upper end of the seat leg 203 is inserted into the second connector 2021, and the third pressing column 2031 is inserted into the third through hole 2022. The pressing column three 2031 is matched with the perforation three 2022 on the connecting piece for use, so that the chair foot 203 can be detached.

Referring to fig. 4, in one embodiment of the present invention, the tray assembly 30 comprises an upper tray 301, a bottom tray 302 and a tray seat 303, wherein the bottom tray 302 is detachably fixed on the arm 2011 of the chair frame 201, the upper tray 301 is detachably fixed on the bottom tray 302, and the tray seat 303 is fixed below the bottom tray 302. Specifically, both sides of the upper plate 301 are fixed to both sides of the lower plate 302 by screws.

Referring to fig. 5, in one embodiment of the present invention, the dining plate assembly 30 is detachable from the seat assembly 20 by: the outside of chair frame 201 handrail 2011 sets up horizontal spout 2012, and chassis 302 inboard sets up the sliding block, and the sliding block slides and fixes on the spout. Preferably, the outside of the armrests 2011 on both sides of the chair frame 201 are both provided with horizontal sliding grooves 2012, the inside of both sides of the chassis 302 are both provided with sliding blocks, and the sliding blocks are fixed on the sliding grooves in a sliding manner.

Furthermore, a clamping groove 2013 is formed below the horizontal sliding groove 2012, the middle of the sliding block is hollow, the dinner plate assembly 30 further comprises a clamping piece 305, the clamping piece 305 is clamped in the middle of the sliding block, and the base plate 302 is clamped in the clamping groove 2013 and the sliding block through the clamping piece 305 and is fixed on the armrest 2011 of the chair frame 201. With reference to fig. 4 and 5, the middle of the sliding block is hollow, a convex column 3042 is arranged on the side wall of the middle hollow part facing to the handrail 2011, a perforated four 3052 is arranged at the position corresponding to the middle part of the clamping piece 305 clamped into the sliding block, a spring (not shown in the figure) is sleeved on the sliding block convex column 3042 and props against the perforated four 3052, a convex rib 3054 is arranged at one side of the middle part of the clamping piece 305 clamped into the sliding block, and the convex rib 3054 is hung on the side wall of the sliding block when the clamping piece 305 is clamped into the sliding block. The sliding block is provided with a sliding edge 3041 protruding towards one side of the armrest 2011, the sliding edge 3041 is inserted into the horizontal sliding groove 2012, the clamping piece 305 is provided with a clamping tooth 3051 towards one side of the armrest 2011, the armrest 2011 is provided with a clamping groove 2013 below the horizontal sliding groove 2012, the bottom of the clamping piece 305 is provided with a pull plate 3053 protruding downwards, the pull plate 3053 is pulled outwards, the clamping tooth 3051 of the clamping piece 305 can be separated from the clamping groove 2013 on the armrest 2011, and at the moment, the dinner plate assembly 30 can be horizontally slid and taken away from the seat assembly 20. When the pulling plate 3053 is released, the locking teeth 3051 of the locking member 305 are locked into the locking grooves 2013 again by the restoring force of the spring, so that the dinner plate assembly 30 is fixed on the seat assembly 20.

Referring to fig. 7, in one embodiment of the present invention, a rail groove 1013 is provided between the hollow 1017 and the limiting groove 1012, the seat bag 40 includes an annular outer wall 402 and an annular inner wall 401 integrally connected at an upper portion, a plurality of rollers 404 are provided between the annular outer wall 402 and the annular inner wall 401, a plurality of hooks 403 are provided on a side of the annular inner wall 401 facing the annular outer wall 402, when the annular outer wall 402 of the seat bag 40 is fixed on the limiting groove 1012, the rollers 404 roll and contact the rail groove 1013, and the hooks 403 hook the table top 101. The side of the hook 403 facing the annular outer wall 402 is beveled, which facilitates the mounting of the seat pocket 40 on the table top 101 by squeezing. Meanwhile, the hook 403 is a plastic part and has certain elasticity, and the seat pocket 40 can be taken down from the tabletop 101 by manually pulling the hook 403.

In one embodiment of the present invention, the chair leg 203 has a rectangular cross section, the recess 1011 is a rectangular recess 1011, and the cover plate 1014 is a rectangular cover plate. The hollow hole 1017 is a circular hole, and the second cover 1015 is a circular cover. Preferably, four table legs 105 are provided below the table top 101, and four chair legs 203 are provided below the chair frame 201.

The child dining chair has multiple functions, can be used as a table and a chair for a child to eat, or a learning table or a toy table separately, can also be used as a child high-position dining chair in a combined mode, or can be used as a child jumping chair independently, and the functions of the child dining chair are greatly expanded.

Claims

1. A child dining chair, which is characterized by comprising a dining table assembly (10), a seat assembly (20) and a dinner plate assembly (30), wherein the seat assembly (20) is detachably arranged on the dining table assembly (10), and the dinner plate assembly (30) is detachably arranged on the seat assembly (20);

the dining table component (10) comprises a table top (101) and table legs (105) which are detachably fixed below the table top (101), and the positions, corresponding to the connection positions of the table legs (105), on the table top (101) are downwards concave to form grooves (1011);

the seat assembly (20) comprises a seat frame (201) and a seat leg (203) detachably fixed below the seat frame (201), wherein the seat leg (203) is detachably inserted into the groove (1011);

the center of a table top (101) of the dining table component (10) is provided with a hollow hole (1017), a circle of limiting groove (1012) is formed around the hollow hole (1017) in a downward concave mode so as to limit and fix a seat pocket (40), and the dining table component (10) further comprises a first cover plate (1014) covering the groove (1011) and a second cover plate (1015) covering the hollow hole (1017).

2. The children's dining chair as claimed in claim 1, wherein a plurality of hollow connecting members one (102) are fixed under the top (101) of the dining table assembly (10), a plurality of through holes one (1021) are formed at the inner sides of the connecting members one (102), a plurality of pressing posts one (1031) are formed at the inner sides of the upper ends of the table legs (105) to be retractable into the table legs (105), the upper ends of the table legs (105) are inserted into the connecting members one (102) when the table legs (105) are installed under the top (101), and the pressing posts one (1031) are engaged into the through holes one (1021).

3. Child dining chair according to claim 2, characterized in that the legs (105) are retractable legs (105).

4. The child dining chair according to claim 3, wherein the table leg (105) comprises an upper supporting rod (103) and a lower supporting rod (104) movably sleeved at the lower end of the upper supporting rod (103), a hinged seat (1041) is fixed at the inner side of the upper portion of the lower supporting rod (104), a lever pressing block (1042) is hinged on the hinged seat (1041), a lower end (1045) of the lever pressing block (1042) opposite to the pressing end (1044) is provided with a plug-in post (1043) in a protruding manner towards the inner side of the lower supporting rod (104), a plug hole is arranged at a position corresponding to the lower supporting rod (104), a plurality of through holes (1032) are arranged at intervals on the upper supporting rod (103), and the plug-in post (1043) is inserted into the through hole (1032).

5. The child dining chair according to claim 1, wherein a fixing groove (1016) is concavely formed in one side of the groove (1011) of the table top (101) facing the center of the table top (101), a linkage pressing block is fixed in the lower end of the chair leg (203), a second pressing column (2032) and a fixing column (2033) are arranged on the linkage pressing block protruding out of the side of the chair leg (203), when the seat assembly (20) is installed on the table assembly (10), the lower end of the chair leg (203) is inserted into the groove (1011), and the fixing column (2033) is inserted into the fixing groove (1016).

6. The child dining chair according to claim 1, wherein the seat assembly (20) has a plurality of hollow connecting members (2021) fixed below the frame (201) and a connecting seat (202) having a through hole (2022) formed on the inner side of the connecting member (2021), a pressing column (2031) retractable into the leg (203) is formed on the inner side of the upper end of the leg (203), and when the leg (203) is installed below the frame (201), the upper end of the leg (203) is inserted into the connecting member (2021) and the pressing column (2031) is inserted into the through hole (2022).

7. A child's dining chair according to claim 1, wherein the tray assembly (30) comprises an upper tray (301), a base tray (302) and a tray crotch (303), the base tray (302) being removably secured to the arms (2011) of the chair frame (201), the upper tray (301) being removably secured to the base tray (302), the tray crotch (303) being secured beneath the base tray (302).

8. Child dining chair according to claim 7, characterized in that the horizontal sliding grooves (2012) are arranged on the outside of the armrests (2011) of the chair frame (201), and the sliding blocks are arranged on the inside of the chassis (302) and are slidably fixed on the sliding grooves.

9. The children's dining chair according to claim 8, wherein the horizontal sliding grooves (2012) are formed on the outer sides of the armrests (2011) on both sides of the chair frame (201), and the sliding blocks are formed on the inner sides of both sides of the chassis (302), and the sliding blocks are slidably fixed on the sliding grooves.

10. Child dining chair according to claim 9, characterized in that a retaining groove (2013) is provided below the horizontal sliding groove (2012), the middle of the sliding block is hollow, the tray assembly (30) further comprises a retaining member (305), the retaining member (305) is movably retained in the middle of the sliding block, and the base plate (302) is fixed to the armrest (2011) of the chair frame (201) by simultaneously retaining the retaining member (305) in the retaining groove (2013) and the sliding block.

11. The child dining chair according to claim 1, wherein a track groove (1013) is formed between the hollow hole (1017) and the limiting groove (1012), the sitting bag (40) comprises an annular outer wall (402) and an annular inner wall (401) which are integrally connected at the upper parts, a plurality of rollers (404) are arranged between the annular outer wall (402) and the annular inner wall (401), a plurality of hooks (403) are arranged on one side of the annular inner wall (401) facing the annular outer wall (402), when the sitting bag (40) is limited and fixed in the limiting groove (1012), the annular outer wall (402) is fixed on the limiting groove (1012), the rollers (404) are in rolling contact with the track groove (1013), and the hooks (403) hook the desktop (101).

12. A child's dining chair as claimed in claim 1, wherein the legs (203) are rectangular in cross-section, the recess (1011) is a rectangular recess (1011) and the first cover plate (1014) is a rectangular cover plate.

13. The children's dining chair according to claim 1, wherein the hollow hole (1017) is a circular hole, and the second cover plate (1015) is a circular cover plate.

14. Child dining chair according to claim 1, characterized in that four legs (105) are provided below the table top (101) and four legs (203) are provided below the frame (201).