CN112716201A

CN112716201A - Assembly structure of dinner plate assembly and armrest and child dining chair

Info

Publication number: CN112716201A
Application number: CN202011601922.XA
Authority: CN
Inventors: 鲍逸怡
Original assignee: Individual
Current assignee: Ningbo Huasheng Plastic Products Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-04-30
Anticipated expiration: 2040-12-29
Also published as: CN112716201B

Abstract

The invention discloses an assembly structure of a dinner plate component and handrails and a child dining chair, which comprises the dinner plate component and the handrails on two sides of a chair body, wherein the handrails are provided with guide slots extending in the horizontal direction; a frame body positioned on the periphery of the supporting part is fixedly arranged at the bottom of the disk body, and an annular inner cavity for accommodating the handrail is formed between the frame body and the supporting part; the support component extends into the guide slot, the handrail extends into the annular inner cavity of the frame body, and the frame body limits the disc body to incline relative to the handrail; the dinner plate is prevented from rising relative to the armrests under the action of external force to form a gap between the dinner plate and the armrests, and fingers of the infants are prevented from being clamped and injured by the dinner plate which is easy to rise after extending into the gap.

Description

Assembly structure of dinner plate assembly and armrest and child dining chair

Technical Field

The invention relates to a child dining chair, in particular to an assembly structure of a dinner plate assembly and armrests of the child dining chair.

Background

A child dining chair, which generally comprises supporting legs, a chair body and a dinner plate; a multi-functional child dining chair such as CN 102485121A; CN110693243A adult children dining chair, etc.

Wherein, CN 105476333A's children dining chair convenient to adjust, the concrete structure of dinner plate part is: the two sides of the chair body are respectively provided with a handrail, the middle of the handrail is provided with a guide slot, the dinner plate comprises a plate body and two support tubes arranged on the lower side of the plate body, and the two support tubes are inserted into the wire slots on the handrail so as to install the dinner plate on the front side of the chair body.

Because a certain gap exists between the supporting tube and the bottom surface of the tray body, the supporting tube of the dinner plate is inserted into and positioned behind the handrail; according to the safety standard requirement of the dining chair, the clearance between the upper surface of the armrest and the bottom surface of the front end of the plate body meets the requirement; however, since the tray body of the dinner tray can be inclined due to force during the use of the dining chair, the gap exceeding the safety range is formed between the bottom surface of the front end of the tray body and the upper surface of the armrest, such as fingers of a baby can be clamped.

Disclosure of Invention

The invention aims to provide an assembly structure of a dinner plate component and a handrail, which has better safety, so as to eliminate the change of a gap between the upper surface of the handrail and a bottom plate at the front end of a plate body caused by the inclination of the plate body and eliminate the risk of clamping fingers of a baby. Further provides a child dining chair with the structure for assembling the dinner plate component and the armrests.

The technical scheme adopted by the invention for solving the technical problems is as follows: the assembly structure of the dinner plate component and the armrests is characterized by comprising the dinner plate component and the armrests on two sides of a chair body, wherein the armrests are provided with guide slots extending in the horizontal direction;

a frame body positioned on the periphery of the supporting part is fixedly arranged at the bottom of the tray body, and an annular inner cavity for accommodating the handrail is formed between the frame body and the supporting part;

the support component extends into the guide slot, the handrail extends into the annular inner cavity of the frame body, and the frame body limits the disc body to incline relative to the handrail.

The further preferable technical scheme of the invention is as follows: the outer contour of the handrail is matched with the section of the annular inner cavity, so that the inner wall of the frame body is attached to the outer surface of the handrail.

The further preferable technical scheme of the invention is as follows: the frame body is formed by fixing a cover body on the bottom surface of the tray body, and the cover body comprises a bottom edge and two side edges.

The further preferable technical scheme of the invention is as follows: the cover body is fixed on the bottom surface of the tray body through screws.

The further preferable technical scheme of the invention is as follows: the front end of the supporting component exceeds the front edge of the tray body, and the front end surface of the cover body is basically flush with the front edge of the tray body.

The further preferable technical scheme of the invention is as follows: the rear end of the cover body extends backwards to the rear end of the supporting component.

The further preferable technical scheme of the invention is as follows: the periphery of the tray body is provided with an upward arched convex ring structure, the convex ring structure comprises a vertical outer wall, the front end face of the cover body is provided with a bending wall, and the vertical outer wall and the bending wall are basically positioned on the same plane.

The further preferable technical scheme of the invention is as follows: the supporting component comprises a supporting pipe and a sliding block positioned in the supporting pipe, a positioning bulge is arranged on the sliding block, the positioning bulge can extend out of or retract into the side wall of the supporting pipe, and a positioning groove matched with the positioning bulge is arranged in the guide slot.

The further preferable technical scheme of the invention is as follows: the driving part is arranged in the supporting pipe and matched with the sliding block, the driving part can move along the length direction of the supporting pipe, and the driving part is matched with the sliding block through a guide inclined plane.

Another preferred subject is: the child dining chair comprises the dinner plate component and an assembly structure of the armrests.

Compared with the prior art, the invention has the advantages that an annular inner cavity for accommodating the handrail is formed between the frame body and the supporting part which are fixed on the bottom surface of the plate body, and when the supporting part on the dinner plate component extends into the guide slot of the handrail, the handrail extends into the annular inner cavity of the frame body, so that the frame body limits the inclination of the plate body relative to the handrail; the dinner plate is prevented from rising relative to the armrests under the action of external force to form a gap between the dinner plate and the armrests, and fingers of the infants are prevented from being clamped and injured by the dinner plate which is easy to rise after extending into the gap.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a schematic view of a child dining chair;

FIG. 2 is a schematic view of the overall structure of the dish assembly;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 2;

FIG. 5 is a schematic structural view of a connection structure;

FIG. 6 is an enlarged view at C in FIG. 5;

FIG. 7 is a first schematic view of the tray assembly;

FIG. 8 is an enlarged view taken at D in FIG. 7;

FIG. 9 is a second schematic view of the dish assembly;

fig. 10 is an enlarged view at E in fig. 9;

FIG. 11 is a third schematic structural view of the dish assembly;

fig. 12 is an enlarged view at F in fig. 11;

FIG. 13 is a schematic view of the bottom of the dish;

FIG. 14 is a side elevational view of the tray assembly;

FIG. 15 is a first view of the assembly of the dish assembly;

fig. 16 is an enlarged view at G in fig. 15;

FIG. 17 is a schematic view of the pull handle member mounted to the chair body;

FIG. 18 is a second assembly view of the tray assembly;

FIG. 19 is a fourth schematic structural view of the dish assembly;

FIG. 20 is an enlarged view at R in FIG. 19;

fig. 21 is a schematic structural view of the armrest in the present embodiment.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

Referring to fig. 1, a schematic diagram of an overall structure of a child dining chair 100 according to the present invention is shown, wherein the child dining chair 100 includes a chair body 101 and an assembly structure 200 of a dinner plate assembly mounted on the chair body 101.

The assembly structure 200 of the dinner plate assembly comprises a dinner plate assembly 300 and armrests 201 on two sides of a chair body 101, wherein the armrests 201 are provided with guide slots 202 in the horizontal direction, a plurality of positioning slots 203 distributed along the length direction are arranged in the guide slots 202, and the dinner plate assembly 300 comprises a tray body 20 and a connecting mechanism 30 arranged on the bottom surface of the tray body 20.

The connecting mechanism 30 includes two support pipes 31 for being inserted into the guide slots 202, each support pipe 31 is provided with a driving member 40 and a slide block 50 having a positioning protrusion 51, and the driving member 40 is located in the support pipe 31 and can move along the length direction of the support pipe 31.

The driving part 40 and the sliding block 50 are matched with each other through a guide inclined plane, so that the sliding block 50 can be moved by driving the driving part 40 by a user; in the first state, the slide block 50 extends out of the sidewall through hole 02 of the support tube 31 under the action of the first spring f1 and is clamped in the positioning groove 203, so as to fix the dinner plate assembly 300 and the armrest 201; in the second state, the user can move the driving member 40 to make the positioning projection 51 on the slide block 50 leave the positioning slot 10 and retract towards the supporting tube 31.

Positioning grooves 02 distributed along the length direction are formed in the guide slot 202 of the handrail 201, the support tube 31 on the connecting mechanism 30 on the bottom surface of the disc body is inserted into the guide slot 202 for preliminary connection, a driving part 40 and a slide block 50 with a positioning protrusion 51 are arranged on the support tube 31, the driving part 40 drives the slide block 50 to enable the positioning protrusion 51 to be inserted into or separated from the positioning groove 203, and then unlocking or locking of the disc body 20 and the handrail 201 is achieved; the assembly control structure is simple, the operation is convenient, and a user can effectively and stably switch the dinner plate assembly and the armrest between the locking state or the unlocking state.

As shown in fig. 5 and 6, it is necessary to explain the guide slope between the driving member 40 and the slider 50 that the driving member 40 is provided with a first guide slope 40s and the slider 50 is provided with a second guide slope 50s that engages with the first guide slope 40 s.

In the actual operation process of the driving component 40 and the slider 50, as shown in fig. 7 to 12 and 21, when a user applies an external force to the driving component 40, so that the first guiding inclined surface 40s on the driving component 40 pushes the second guiding inclined surface 50s on the slider 50 to further drive the slider 40 to move, so that the positioning protrusion 51 on the slider 40 leaves the positioning slot 203, the user can adjust the front and back positions of the tray 20; after adjusting the dish, the user removes the external force, and the slider 40 is under the action of the first spring f1, so that the positioning protrusion 51 is inserted into the corresponding positioning slot 203.

As shown in fig. 6, the driving member 40 in this embodiment includes an inner cavity 40h formed by a first plate 41 and a second plate 42, the slider 50 is located in the inner cavity 40h, the first plate 41 and the second plate 42 are both provided with a first guiding inclined surface 40s, the upper end and the lower end of the slider 50 are respectively provided with a protruding portion 52, and the protruding portion 52 is both provided with a second guiding inclined surface 50s matched with the first guiding inclined surface 40 s.

The first guide slopes 40s on the first plate 41 and the second plate 42 are V-shaped, and correspondingly, the second guide slopes 50s on opposite sides of the slider 50 are also V-shaped, so that the slider 50 can be driven when the driving member 40 moves left and right.

In actual installation, the driving component 40 is arranged at the front end of the pull rod 08, and the pull rod 08 is arranged in the support tube 31 in a penetrating way; the use may be made by pulling on the pull rod 08 to effect movement of the drive member 40.

Preferably, the pull rod 08 and the driving member 40 are integrally formed of plastic, and the slider 50 is a metal member. A slider bush 80 is fixedly provided in the support pipe 31, and the slider 50 is moved in the radial direction of the support pipe 31 in the slider bush 80.

The coupling mechanism 30 includes a pull member 60 and a locking structure controlled by the pull member 60, i.e., various technical components required for the insertion and removal of the positioning protrusions 51 into and from the positioning grooves 203 as described in detail above. As shown in fig. 2, 3 and 4, the handle member 60 includes an integral operating portion 63 and two arms 61 connected to the locking mechanism, the handle member 60 can move closely to the bottom surface of the tray 20, a guide member 60d for limiting the movement of the handle member 60 in a predetermined direction is provided at the bottom of the tray 20, the movement direction of the handle member 60 is the same as the extending direction of the support tube 31, and a limiting member 60f for limiting the tray 20 to be separated from the bottom surface of the tray 20 is provided on the tray 20.

The handle part 60 is connected with the locking mechanism of the connection mechanism on the bottom surface of the tray body 20 through the support arm 61, the tray body 20 is provided with a limiting part 60f for limiting the tray body 20 to be separated from the bottom surface of the tray body and a guide part 60d for guiding the handle part 60 to move along a preset direction, and under the action of the limiting part 60f and the guide part 60d, the handle part 60 can be tightly attached to the bottom surface of the tray body 20 and can move more stably; when a user pulls the handle member 60, the handle member 60 can more stably and quickly control the locking mechanism to unlock or lock the tray 20, so as to further ensure the stability of the tray 20 after the front and back adjustment.

Specifically, as shown in fig. 2 to 4 and 17, the handle member 60 includes a base plate 64, the operating portion 63 is located on the rear side of the base plate 64 and forms two first sides L1, the guide member 60d is a guide plate 01 located outside the first side L1, and the guide plate 01 is formed by a projection on the base plate 64.

The operation part 63 includes a hand-pulling hole 632 and a wrench part 631 located at the rear end of the hand-pulling hole 632 and protruding from the base plate 64.

As shown in fig. 4, a guide groove 633 is provided at the front edge of the base plate 64 located at the front side of the manipulating part 63, and a guide block 635 fitted to the guide groove 633 is fixedly provided at the bottom surface of the tray body 20. The guide block 635 and the guide plate 01 together guide the movement of the handle member 60.

A limiting plate 636 is disposed below the guide block 635 to limit the base plate 64 from separating from the bottom surface of the tray 20. Specifically, the limiting plate 636 is embedded into a limiting groove 637 formed in the substrate 64, and a limiting structure formed by the limiting plate 636 and the limiting groove 637 can play a certain bearing role on the substrate 64 to longitudinally limit the substrate 64, so as to prevent the handle component 60 from falling under the action of gravity, preferably, the limiting groove 637 is located above the guide groove 633, and the caliber of the limiting groove 637 is greater than that of the guide groove 633.

Preferably, the front ends of the two arms 61 in this embodiment are provided with sleeves 62 which are sleeved on the support pipes 31, the sleeves 62 can move along the support pipes 31, and the sleeves 62 are connected with the rear ends of the pull rods 08 through the connecting rods 70. Under normal conditions, the sleeve 62 is sleeved outside the connecting rod 70, so that the connecting rod 70 can be protected on one hand, and the supporting rod 31 outside the pull rod 08 can be matched on the other hand, so that the integral connection is neat and smooth.

A positioning post 32 is disposed through the rear end of the supporting tube 31, and a second spring f2 is disposed between the positioning post 32 and the sleeve 62.

In operation, the user pulls the operating portion 63 of the handle member 60 to cause the arm 61 to pull the sleeve 62 and compress the second spring f2, and further causes the sleeve 62 to pull the pull rod 08 via the connecting rod 70, thereby finally driving the driving member 40. When the user releases the pulling force on the operating portion 63, the sleeve 62 is reset by the resilience of the second spring f2, and then the link 70 and the pull rod 08 connected to the link 70 are pushed to be reset.

Preferably, as shown in fig. 13 to 16, the bottom of the tray 20 in this embodiment is fixedly provided with a frame 90 located at the periphery of the support tube 31, and an annular inner cavity c for accommodating the handrail 201 is formed between the frame 90 and the support tube 31 on the support part; the support tube 31 extends into the guide slot 202, the handrail 201 extends into the annular inner cavity c of the frame body 90, and the frame body 90 limits the disc body 20 from inclining relative to the handrail 201; therefore, the tray body 20 is prevented from tilting relative to the armrest 201 under the action of external force to form a gap with the armrest 201, and fingers of the infant are prevented from being pinched by the dinner plate which is easy to tilt after extending into the gap.

Preferably, the outer contour of the armrest 201 is matched with the cross section of the annular cavity c, so that the inner wall of the frame 90 is attached to the outer surface of the armrest 201, further avoiding a gap between the inner wall of the frame 90 and the outer surface of the armrest 201, and preventing fingers of infants from being injured.

Specifically, the frame 90 is formed by fixing a cover m to the bottom surface of the tray 20, and the cover m includes a bottom m1 and two sides m 2.

The cover m may be fixed to the bottom surface of the tray body 20 by screws. Of course, the cover m may be fixed to the bottom surface of the tray 20 by other conventional fixing means.

The front end of the support tube 31 exceeds the front edge of the tray body 20, so that the support tube 31 can be accurately and quickly inserted into the guide slot 202 of the handrail 201; the front face of the cover m is substantially flush with the front edge of the tray 20, making the appearance of the tray 20 cleaner.

The rear end of the cover m extends rearward to the rear end of the support pipe 31 of the support member, further avoiding a gap from being generated between the support pipe 31 and the disk body 20 in the entire length direction.

As shown in fig. 16, 19 and 20, the periphery of the tray body 20 is provided with an upwardly arched convex ring structure 20t, the convex ring structure 20t includes a vertical outer wall t1, the front end surface of the cover m is provided with a bent wall t2, and the vertical outer wall t1 and the bent wall t2 are substantially in the same plane.

An annular inner cavity c for accommodating the handrail 201 is formed between the frame body 90 and the supporting tube 31, when the supporting g tube 31 on the dinner plate assembly extends into the guiding slot 202 of the handrail 201, the handrail 201 extends into the annular inner cavity c of the frame body 90, so that the frame body 90 limits the disc body 20 from inclining relative to the handrail 201; the tray body 20 is prevented from lifting relative to the armrest 201 under the action of external force so as to form a gap with the armrest 201, and fingers of the infant are prevented from being pinched by the dinner plate which is easy to lift after extending into the gap.

The assembly structure of the dining plate assembly and the armrest and the child dining chair provided by the invention are described in detail, and the principle and the embodiment of the invention are explained in the present text by using the specific examples, and the above description of the embodiments is only used for helping to understand the invention and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The assembly structure of the dinner plate component and the armrests is characterized by comprising the dinner plate component and the armrests on two sides of a chair body, wherein the armrests are provided with guide slots extending in the horizontal direction;

2. The assembly structure of the dining plate assembly and the armrest of claim 1, wherein the outer contour of the armrest is matched with the cross section of the annular cavity, so that the inner wall of the frame body is attached to the outer surface of the armrest.

3. The assembly of a tray assembly and an armrest of claim 1, wherein the frame is formed by a cover secured to the bottom surface of the tray, the cover including a bottom edge and two side edges.

4. The assembly structure of a dining plate assembly and an armrest of claim 3, wherein the cover is fixed on the bottom surface of the plate body by screws.

5. The assembly of a tray assembly and an armrest according to claim 3, wherein the front end of the support member extends beyond the front edge of the tray, and the front face of the cover is substantially flush with the front edge of the tray.

6. The dinner plate assembly and armrest assembly according to claim 5, wherein the back end of the cover body extends backwards to the back end of the support member.

7. The assembly structure of a dining plate assembly and an armrest, according to claim 5, wherein the periphery of the plate body is provided with an upwardly arched convex ring structure, the convex ring structure comprises a vertical outer wall, the front end surface of the cover body is provided with a bent wall, and the vertical outer wall and the bent wall are substantially in a plane.

8. The assembly structure of the dinner plate component and the armrest according to claim 5, wherein the supporting component comprises a supporting tube and a sliding block arranged in the supporting tube, the sliding block is provided with a positioning protrusion, the positioning protrusion can extend out of or retract into the side wall of the supporting tube, and the guiding slot is provided with a positioning groove matched with the positioning protrusion.

9. The assembly structure of a dining plate assembly and a handrail of claim 8, wherein a driving part is arranged in the supporting tube and is matched with the sliding block, the driving part can move along the length direction of the supporting tube, and the driving part is matched with the sliding block through a guide inclined plane.

10. A child dining chair comprising a mounting arrangement of a tray assembly according to any one of claims 1 to 9 to an arm.