CN216628062U - Dinner plate assembly and child chair - Google Patents

Abstract

The utility model discloses a dinner plate assembly and a child chair, wherein the dinner plate assembly comprises a front wall frame and a dinner plate frame, a dinner plate adjusting mechanism is arranged between the dinner plate frame and the front wall frame, the dinner plate adjusting mechanism comprises a dinner plate locking piece which can be arranged on one of the dinner plate frame and the front wall frame in a vertical direction in a moving mode, a plurality of lock holes which are arranged on the other of the dinner plate frame and the front wall frame and are distributed at intervals in the front-rear direction, and an elastic piece which provides acting force required by the dinner plate locking piece to move towards the lock holes, the dinner plate adjusting mechanism further comprises an adjusting piece which is used for driving the dinner plate locking piece to withdraw from the lock holes, and the adjusting piece is movably arranged on the dinner plate frame or the front wall frame. When the dinner plate assembly is installed on the seat device of the child dining chair, the position of the dinner plate away from the backrest can be adjusted by a user according to the use requirement, the adjustment operation is convenient, and the diversified requirements of the user are met.

Description

Dinner plate assembly and child chair

Technical Field

The utility model relates to a dinner plate component and a child chair with the dinner plate component.

Background

At present, most children's dining chair, the dinner plate is installed on the seat fixedly usually, and the user can not adjust the front and back position of dinner plate according to children's age or size fat thin etc. lead to children to sit when standing on the seat of dining chair lean on the back apart from the distance of dinner plate can not adjust, has also influenced the comfort level of sitting to a certain extent.

Disclosure of Invention

The utility model aims to provide a dinner plate assembly with an adjustable front-back position of a dinner plate rack.

In order to achieve the purpose, the utility model adopts the technical scheme that: a dinner plate assembly comprises a front surrounding frame, a dinner plate frame arranged on the front surrounding frame, a dinner plate adjusting mechanism arranged between the dinner plate frame and the front surrounding frame, the dinner plate adjusting mechanism comprises a plurality of lock holes which can be movably arranged in the up-and-down direction, a plurality of lock holes which are distributed in the front-and-back direction on the dinner plate frame and the front surrounding frame and move the needed acting force along the lock holes, and an elastic piece which provides the dinner plate locking piece towards the lock holes, the dinner plate adjusting mechanism further comprises an adjusting piece used for driving the dinner plate locking piece to exit from the lock holes, and the adjusting piece is movably arranged on the dinner plate frame or on the front surrounding frame.

Preferably, the adjusting member is movably disposed in a front-rear direction, and the adjusting member and the dish locking member are disposed on the dish rack or on the front frame together.

Preferably, the dish rack is supported above the front frame, the dish locking member is arranged on the dish rack in a manner of being capable of moving up and down, and all the locking holes are arranged on the front frame.

Preferably, the adjusting piece is arranged on the dish rack in a manner of relatively sliding along the front-back direction, the dish locking piece is arranged on the dish rack in a manner of relatively sliding along the up-down direction, and all the lock holes are arranged on the front surrounding frame.

Further, the regulating part has and sets up with sliding main part pole on the dinner plate frame, is located the anterior operating part of main part pole, and is located the unblock portion at main part pole rear portion, the dinner plate locking piece has the unblock boss, and can insert to cooperatedly the lock post in the lockhole, the unblock boss with the lock post meets along upper and lower direction, the unblock portion with mutually support between the unblock boss and make the regulating part is relative when the dinner plate frame slides around order about the lock post is followed withdraw from in the lockhole.

Furthermore, the main body rod is arranged between the unlocking boss and the front surrounding frame, an unlocking inclined plane is arranged on the unlocking portion, and the dinner plate locking piece is driven to be away from the locking hole in the process that the unlocking inclined plane moves towards the unlocking boss.

In one embodiment, the dish is mounted above the front frame, and the unlocking ramp extends obliquely upward from front to back or obliquely upward from back to front.

In one embodiment, the adjusting member is disposed below the dish rack, the unlocking portion has two parts respectively disposed at the front and rear sides of the unlocking boss, and the adjusting member drives the dish locking member to withdraw from the locking hole when the adjusting member moves backward or forward and backward relative to the dish rack.

Preferably, the front wall frame comprises a horizontal blocking portion extending along the horizontal direction, and a vertical blocking portion extending downwards and arranged in the middle of the horizontal blocking portion, the dinner plate rack is detachably mounted above the horizontal blocking portion, two sets of dinner plate adjusting mechanisms are arranged between the front wall frame and the dinner plate rack, and the two sets of dinner plate adjusting mechanisms are respectively arranged on the left side portion and the right side portion of the dinner plate assembly.

Another object of the present invention is to provide a child chair having the above-described dining plate assembly.

In order to achieve the purpose, the utility model adopts the technical scheme that: a child chair comprising a base support and a seat means mounted on the base support, the seat means having a dinner plate assembly as described above.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: in the dinner plate assembly, the dinner plate frame and the front wall frame are connected through the dinner plate adjusting mechanism, so that the dinner plate frame has different installation positions on the front wall frame along the front-back direction, when the dinner plate assembly is installed on a seat device of a child dinner chair, a user can adjust the position of the dinner plate away from a backrest according to the use requirement, the adjustment operation is convenient, and the diversified requirements of the user are met.

Drawings

FIG. 1 is a schematic view of the overall structure of a child seat according to an embodiment of the present invention, wherein the child seat is used as a child dining chair in a first use state;

FIG. 2 is a side view of the child chair of FIG. 1;

FIG. 3 is an exploded view of the mounting structure of the backrest and the seat frame of the child chair shown in FIG. 1;

FIG. 4 is a schematic side view of FIG. 3;

FIG. 5 is a schematic view of the overall construction of the child chair of the present invention in a second use configuration for use as a child's learning chair;

FIG. 6 is a side view of the child chair of FIG. 5;

FIG. 7 is an overall schematic view of the child chair of FIG. 5 after the seating arrangement has been lowered in height;

FIG. 8 is a side view of the child chair of FIG. 7;

FIG. 9 is an overall schematic view of the child chair of FIG. 5 with the seat adjusted forward in the seating arrangement;

FIG. 10 is a side view of the child chair of FIG. 9;

FIG. 11 is an exploded view of the front wall frame (tray assembly) of the child chair of FIG. 1;

FIG. 12 is an enlarged partial schematic view at D1 of FIG. 11;

FIG. 13 is a front schematic view of a portion of the seating arrangement of the child chair of FIG. 1;

FIG. 14 is a schematic sectional view taken along line A-A of FIG. 13;

FIG. 15 is an enlarged partial schematic view at D2 of FIG. 14;

FIG. 16 is a front elevational view of the portion of the seating arrangement of the child chair of FIG. 1 with the tray in the process of being adjusted;

FIG. 17 is a schematic sectional view taken along line B-B of FIG. 16;

FIG. 18 is an enlarged partial schematic view at D3 of FIG. 17;

FIG. 19 is an exploded view of the seating arrangement of the child chair of FIG. 1;

FIG. 20 is a schematic front view of the seat assembly of FIG. 19 with the front and seat frames disassembled and with the locking member in an ejected position;

FIG. 21 is a side view of FIG. 20;

FIG. 22 is a schematic sectional view taken along line E-E of FIG. 21;

FIG. 23 is an enlarged fragmentary view at D4 of FIG. 22;

FIG. 24 is a schematic front view of the seat assembly of FIG. 20 with the locking element retracted;

FIG. 25 is a side view of FIG. 24;

FIG. 26 is a schematic sectional view taken along the line F-F in FIG. 25;

FIG. 27 is an enlarged fragmentary view at D5 of FIG. 26;

FIG. 28 is a side elevational view of the seating unit of FIG. 20 with the bezel mounted to the seat frame and the plug member engaged with the plug interface and the locking member unlocked;

FIG. 29 is a schematic sectional view taken along line G-G of FIG. 28;

FIG. 30 is an enlarged fragmentary view at D6 of FIG. 29;

FIG. 31 is a side elevational view of the seating unit of FIG. 20 with the bezel mounted to the seat frame, the plug member engaged with the plug interface and the locking member locked;

FIG. 32 is a schematic sectional view taken along line H-H of FIG. 31;

fig. 33 is an enlarged partial view of the portion at D7 in fig. 32.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 10, a multi-functional child chair includes a base frame 100 and a seat unit 200, the base frame 100 having a support bar 101 extending in an up-down direction, the seat unit 200 being mounted on the support bar 101 and located at a front side of the support bar 101, the seat unit 200 including a seat frame 1, a seat 2 provided on the seat frame 1, and a backrest, the seat unit 200 further including a front frame 3 detachably mounted at a front portion of the seat frame 1, the front frame 3 preferably employing a dish assembly herein.

The child chair has a first use state and a second use state which can be switched, when the child chair is in the first use state, as shown in fig. 1 and fig. 2, the front wall frame 3 is fixedly installed at the front part of the seat frame 1, the front wall frame 3 and the seat frame 1 are circumferentially enclosed to form a protective space, and in the use state, the child chair mainly provides seating for children when dining, namely, the child chair in the use state is used as a child dining chair. When the child seat is in the second use state, as shown in fig. 5 to 10, the cowl frame 3 is detached from the front portion of the seat frame 1, the front portion of the seat frame 1 is opened, and a child can sit on the seat 2 and lean on the back, and the child seat in the use state can be used as a learning seat.

Specifically, referring to fig. 1 to 10, the bottom bracket 100 further includes a base disposed below the support rod 101, where the base has two front legs 102 extending obliquely upward from front to back, a front cross bar 103 fixed between the two front legs 102, two rear legs 104 extending obliquely upward from back to front, and a rear cross bar (not shown) fixed between the two rear legs 104, and the front legs 102 and the rear legs 104 are integrally disposed. The support bar 101 has two pieces arranged side by side and extending upright from the base. Universal wheels 105 are also removably attached to the bottom of the front leg 102 and the bottom of the rear leg 104. In the first use state, the universal wheels 105 are detached to enable the child chair to be stably supported on the ground to provide stable support and use for the child while dining, and in the second use state, the universal wheels 105 are installed at the bottom of each leg to facilitate the user to move the child chair.

The seat frame 1 can be arranged on the support rods 101 in a lifting manner along the up-down direction, the rear part of the seat frame 1 is provided with a sliding sleeve part 1a, the sliding sleeve part 1a is sleeved on the two support rods 101 in a vertically sliding manner, and a height locking mechanism used for locking the seat frame 1 and the support rods 101 at different height positions is further arranged between the seat frame 1 and the support rods 101, so that a user can adjust the height of the seat device 200 according to actual use requirements, and the use requirements of different stages or occasions are facilitated. The height locking mechanism can adopt a structural form that the lock pin is matched with the lock hole, and other structural forms can be adopted, and the specific structure is not the protection focus of the utility model. In this embodiment, a structural form that the lock pin is engaged with the lock hole is specifically adopted, and an unlocking operation member 8 for unlocking the height locking mechanism is further provided behind the sliding sleeve portion 1 a.

Referring to fig. 5 to 10, the seat 2 is adjustably installed on the seat frame 1 in a front-rear direction, and a seat adjusting member 6 for adjusting the front-rear position of the seat 2 is further installed on the bottom of the seat frame 1, and specifically, the seat 2 is installed on the lower portion of the seat frame 1 through a seat adjusting mechanism, which may be a screw-nut mechanism, wherein the screw is installed on the bottom of the seat 2 in a manner of rotating around its axis, and the nut is rotatably installed on the seat frame 1. The seat adjusting member 6 is embodied as an adjusting knob, and by rotating the adjusting knob, the nut is rotated, thereby effecting a change in the position of the seat 2 in the front-rear direction. Through changing the position in the front-back direction of the seat 2, the depth of the seat 2 can be changed, and then the child chair can meet the sitting requirements of children of different ages when being used as a learning chair, and more comfortable sitting support is provided.

Referring to fig. 1 to 10, the backrest includes two back boards 4 arranged side by side, the two back boards 4 are respectively connected with the rear part of the seat frame 1, and the front sides of the two back boards 4 together form a backrest support surface for a child to lean against. The two back boards 4 are provided with a space in the left-right direction, and the two back boards 4 are provided symmetrically with respect to the center plane in the left-right direction of the seat device 200. The back boards 4 are each movably provided on the seat frame 1 so that part or all of the back boards 4 can be moved away from or close to the seat frame 1 in the front-rear direction. Specifically, each backrest plate 4 is connected with the seat frame 1 through a soft connecting piece 7, the soft connecting piece 7 can be made of a material which deforms when being pressed, such as rubber, the front part of the soft connecting piece 7 is fixedly arranged at the rear part of the backrest plate 4, and the rear part of the soft connecting piece 7 is fixedly arranged on the seat frame 1. So, when children's back leaned on the leading flank of two back boards 4, under the effect that receives the pressure, soft connecting piece 7 warp to make back board 4 deflect under the effect of pressure relatively seat frame 1, thereby make the leading flank of back board 4 closely contact with children's back, provide more comfortable leaning on of children and support.

Referring to fig. 11, the front wall frame 3 is embodied as a dinner plate assembly, the front wall frame 3 comprises a front wall frame 31 and a dinner plate rack 32 mounted on the front wall frame 31, and the foot rest 5 can be detachably connected with the seat frame 1 or the seat 2. Here, a footrest 5 is detachably connected below the seat 2 and is mounted to the bottom of the seat 2 when the children's chair is in the first use state for providing a support for both feet of the child while having a meal.

The cowl frame 31 includes a rail portion 321 extending in a horizontal direction, and a vertical portion 322 disposed in a middle of the rail portion 321 and extending downward. When the child seat is in the first use state, the left and right end portions of the crosspiece 321 can be detachably connected to the left and right side portions of the seat frame 1, respectively, and the lower portion of the upright piece 322 can be detachably connected to the seat 2. Specifically, the bottom of the stopper 322 has a mounting hook 322a, the front of the seat 2 has a mounting groove 2a, and the mounting hook 322a can be fittingly engaged in the mounting groove 2a, so that the stopper 322 and the seat 2 can be detachably connected.

Thus, when the front wall frame 3 is arranged on the seat frame 1, the child chair can be used as a child dining chair for children of smaller age; after the children grow up, can demolish preceding bounding box 3 from seat frame 1, this children's chair can provide the children of great age bracket and use as the study chair, and this has prolonged the life of this children's chair widely for children's chair can be used as different functions along with children's growth, has avoided the product extravagant, and the idle space that causes of product occupies the problem. Meanwhile, when the chair is used as a child chair, the depth of the seat 2 can be adjusted, the overall height of the seat device 200 can be adjusted, the backrest is more in line with the ergonomic design, and the stable and comfortable support for the child can be provided.

Referring to fig. 11 to 18, when the child chair is used as a child dining chair, the plate frame 31 has a plurality of different mounting positions on the front frame 32 along the front-back direction, and specifically, a plate adjusting mechanism is disposed between the plate frame 31 and the front frame 32, and the plate adjusting mechanism has two sets respectively disposed on the left and right sides, so that the left and right sides of the plate frame 31 are adjustably mounted and connected to the corresponding sides of the rail portion 321.

The dish adjusting mechanism includes a dish locking member 34 disposed on one of the dish frame 31 and the front frame 32 so as to be movable in the up-down direction, a plurality of locking holes 321a disposed on the other of the dish frame 31 and the front frame 32 and distributed at intervals in the front-rear direction, and an elastic member 35 for providing an acting force required for the dish locking member 34 to move toward the locking holes 321a, wherein the elastic member 35 is specifically a spring. The dish adjusting mechanism further comprises an adjusting member 33 for driving the dish locking member 34 to withdraw from the locking hole 321a, and the adjusting member 33 is movably disposed on the dish rack 31 or the front surrounding frame 32. The adjusting member 33 is preferably arranged to be movable in a back-and-forth direction, and the adjusting member 33 is arranged on the dish rack 31 together with the dish locking member 34 or on the front frame 32 together, so that the dish locking member 34 can be withdrawn from or inserted into the locking hole 321a when the adjusting member 33 is actuated to move back and forth.

Here, the dish rack 31 is supported above the front frame 32, the dish locking members 34 are provided on the dish rack 31 so as to be movable in the up-down direction, three of the locking holes 321a are provided on the front frame 32 at intervals in the front-back direction, and the adjusting members 33 are provided on the bottom of the dish rack 31 so as to be slidable in the front-back direction between the dish rack 31 and the front frame 32. Here, the tray frame 31 has a mounting boss 311 at the bottom thereof, and a receiving groove is formed therein, and a cover plate 312 is detachably disposed at the bottom of the mounting boss 311 for closing the receiving groove, so that the adjusting member 33 and the tray locking member 34 are movably received in the receiving groove respectively.

Referring to fig. 11 and 12, the adjusting member 33 has a main body rod 331 slidably disposed on the plate rack 31, an operating portion 332 located in front of the main body rod 331, and an unlocking portion 333 located in rear of the main body rod 332; the dish locking member 34 has an unlocking boss 342 and a locking post 341 fittingly inserted into the locking hole 321a, the section size of the unlocking boss 342 is larger than that of the locking post 341, the unlocking boss 342 is connected with the locking post 341 in the up-down direction, and the unlocking portion 333 is fitted with the unlocking boss 342, so that the locking post 341 can be driven to withdraw from the locking hole 321a when the adjusting member 33 is driven to slide back and forth relative to the dish rack 31.

The main body rod 331 is located between the unlocking protrusion 342 and the front wall frame 32 in the up-down direction, the unlocking portion 333 is provided with an unlocking inclined surface 333a, the unlocking inclined surface 333a extends obliquely upward from front to back or obliquely upward from back to front, and the unlocking section 333a urges the dish locking member 34 away from the locking hole 321a during the movement toward the unlocking protrusion 342. Here, the unlocking portion 333 has two unlocking portions respectively provided on the front and rear sides of the unlocking boss 342, a kidney-shaped hole 331a is provided between the two unlocking portions 333, the lock cylinder 341 is relatively slidably inserted into the kidney-shaped hole 331a, the unlocking inclined surface 333a located in front of the unlocking boss 342 extends obliquely upward from the rear, and the unlocking inclined surface 333a located behind the unlocking boss 342 extends obliquely upward from the front to the rear.

When the adjusting member 33 is driven to move backward, the unlocking slant surface 333a at the front side is engaged with the unlocking boss 342 to disengage the dish locking member 34 from the locking hole 321 a; when the adjusting member 33 is driven to move forward, the unlocking slant surface 333a at the rear side is engaged with the unlocking protrusion 342 to disengage the dish locking member 34 from the locking hole 321 a.

Thus, when the dish rack 31 needs to be adjusted backwards to approach the child, the operator can unlock the dish rack by pressing the operating part 332 with hand and push the dish rack 31 backwards; similarly, when it is necessary to adjust the dish rack 31 forward to move away from the child, the operator can pull the handle 332 by hand to unlock and pull the dish rack 31 forward. Like this, when the fore-and-aft position of service plate frame 31 on preceding frame 32 needs to be adjusted, can wait to adjust fore-and-aft position according to service plate frame 31 and confirm whether to adopt and promote service plate frame and regulating part 33 simultaneously, still adopt pulling service plate frame and regulating part 33, this atress and the operation habit that accords with user's hand more, it is more convenient to adjust.

Referring to fig. 19 to 33, when the child seat is used as a child dining chair, the front wall frame 32 and the seat frame 1 are detachably connected, specifically, the left side portion of the front wall frame 32 and the left side portion of the seat frame 1, and the right side portion of the front wall frame 32 and the right side portion of the seat frame 1 are detachably connected by a connecting assembly. This coupling assembling includes locating component and locking Assembly, and locating component is including plug connector 323 and interface 11 that can mutually support the grafting location, and one of these two of plug connector 323 and interface 11 is located before enclosing frame 32 and on another locates seat frame 1, and the locking Assembly setting just is used for locking both relatively between preceding enclosing frame 32 and seat frame 1.

Specifically, the plug 323 is disposed on the front frame 32, the socket 11 is disposed on the seat frame 1, and the plug 323 can be inserted into the socket 11 from top to bottom to mate with the socket 11. More specifically, the seat frame 1 is a U-shaped frame with a forward opening, the seat frame 1 and the front enclosure frame 32 are circumferentially enclosed to form a closed protection space, the insertion port 11 is disposed on an inner side portion of the seat frame 1, and the plug 323 is disposed on an outer side portion of the front enclosure frame 32. The lower part of the plug 323 has a plug projection 323a, and the plug projection 323a is fittingly inserted into the plug socket 11, so that precise positioning between the front frame 32 and the seat frame 1 is achieved.

The locking assembly includes a surrounding frame locking member 324 provided on the front surrounding frame 32 to be relatively slidable in the left-right direction, a lock groove 12 provided on the seat frame 1 and into which the surrounding frame locking member 324 is fittingly inserted, and an elastic member 325 providing a force required for sliding the surrounding frame locking member 324 outward toward the lock groove 12, wherein the surrounding frame locking member 324 is located above the insertion protrusion 323a on the front surrounding frame 32. The locking groove 12 is opened on the sidewall of the interface 11, and the locking groove 12 and the interface 11 are communicated with each other, here, the locking groove 12 penetrates the outer sidewall of the seat frame 1.

Here, the plug 323 is an outer end cover fixedly installed on a side portion of the front surrounding frame 32 and used for closing an installation groove of the front surrounding frame 32 for installing the spring 325 and the surrounding frame locking member 324, the surrounding frame locking member 324 is substantially a cylindrical body, the plug 323 is opened with a guide hole 323b for providing sliding guide of the surrounding frame locking member 324 in the left-right direction, and an outer end portion of the plug 323 can slidably penetrate through the guide hole 323b for cooperating with the lock groove 12 for locking. The guide hole 232b is located above the insertion projection 323 a.

Thus, when the front frame 32 is mounted on the seat frame 1, the bottom of the vertical blocking part 322 is aligned with the mounting groove 2a on the seat 2, and then the plug-in components 323 on both sides face downwards to the seat frame 1, so that the plug-in protrusions 323a on both sides are inserted into the plug-in ports 11 from top to bottom; meanwhile, the surrounding frame locking member 324 is in a retracted state under the resisting action of the inner side wall of the seat frame 1, after the protrusion 323a to be inserted is inserted into the insertion opening 11, the surrounding frame locking member 324 correspondingly reaches the position of the locking groove 12, and moves toward the locking groove 12 under the action of the elastic member 325, thereby completing the locking of the locking assembly. This enables the front face frame 32 to be accurately mounted on the seat frame 1, and the connection between the front face frame 32 and the seat frame 1 is more secure and reliable. When the seat frame needs to be unlocked, the enclosure frame locking members 324 are respectively pressed from the left side and the right side of the seat frame 1 to be retracted, and then the front enclosure frame 32 is pulled upwards, so that the front enclosure frame 32 can be detached from the seat frame 1, and the seat frame is convenient to disassemble and assemble.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a dinner plate assembly, includes preceding frame, installs before enclose the dish rail on the frame, its characterized in that: the dinner plate adjusting mechanism comprises a dinner plate locking piece arranged on one of the dinner plate frame and the front surrounding frame in a vertically moving mode, a plurality of lock holes arranged on the other of the dinner plate frame and the front surrounding frame in a front-back direction at intervals, and an elastic piece used for providing acting force required by movement of the dinner plate locking piece towards the lock holes, and further comprises an adjusting piece used for driving the dinner plate locking piece to exit from the lock holes, wherein the adjusting piece is movably arranged on the dinner plate frame or on the front surrounding frame.

2. The dining plate assembly of claim 1, wherein: the adjusting piece can be movably arranged along the front-back direction, and the adjusting piece and the dinner plate locking piece are jointly arranged on the dinner plate rack or jointly arranged on the front surrounding frame.

3. The dining plate assembly of claim 1, wherein: the dinner plate frame is supported above the front surrounding frame, the dinner plate locking piece can be arranged on the dinner plate frame in a vertically moving mode, and all the lock holes are formed in the front surrounding frame.

4. The dining plate assembly of claim 1, wherein: the adjusting piece can be arranged on the dinner plate rack in a relative sliding mode along the front-back direction, the dinner plate locking piece can be arranged on the dinner plate rack in a relative sliding mode along the up-down direction, and all the lock holes are formed in the front surrounding frame.

5. The dining plate assembly of claim 4, wherein: the adjusting part has to set up with sliding main part pole on the dinner plate frame, is located the anterior operating part of main part pole, and is located the unblock portion at main part pole rear portion, the dinner plate locking piece has the unblock boss to and can insert to cooperate the lock post in the lockhole, the unblock boss with the lock post meets along upper and lower direction, the unblock portion with mutually support between the unblock boss makes the adjusting part is relative order about when sliding around the dinner plate frame the lock post is followed withdraw from in the lockhole.

6. The dining plate assembly of claim 5, wherein: the main body rod is arranged between the unlocking boss and the front surrounding frame, an unlocking inclined plane is arranged on the unlocking portion, the unlocking inclined plane faces towards the unlocking boss and drives the dinner plate locking piece to be far away from the lock hole in the moving process of the unlocking boss.

7. The dining plate assembly of claim 6, wherein: the dinner plate is erected above the front surrounding frame, and the unlocking inclined plane obliquely extends from front to back or obliquely extends from back to front.

8. The dining plate assembly of claim 6, wherein: the adjusting piece is arranged below the dish rack, the unlocking part is provided with two parts which are respectively arranged on the front side and the rear side of the unlocking boss, and the adjusting piece drives the dish locking piece to withdraw from the lock hole when moving backwards and forwards or moving forwards and backwards relative to the dish rack.

9. The dining plate assembly of any one of claims 1 to 8, wherein: enclose the frame before including along horizontal direction extension horizontal fender portion, set up horizontal fender portion's middle part and downwardly extending's perpendicular fender portion, dish plate rail detachably installs the top of horizontal fender portion, preceding enclose the frame with be provided with two sets of between the dish plate rail dinner plate adjustment mechanism, two sets of dinner plate adjustment mechanism locates respectively on the left and right sides portion of dinner plate subassembly.

10. A child chair comprising a base support and a seating arrangement mounted on the base support, wherein: the seating arrangement having a dining plate assembly according to any one of claims 1 to 9.

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