CN112704355A

CN112704355A - Assembly structure of dinner plate assembly and child dining chair

Info

Publication number: CN112704355A
Application number: CN202011597487.8A
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: 2021-04-27

Abstract

The invention discloses an assembly structure of a dinner plate assembly and a child dining chair, which comprises the dinner plate assembly and armrests on two sides of a chair body, wherein the armrests are provided with guide slots in the horizontal direction, a plurality of positioning slots distributed along the length direction are arranged in the guide slots, and the dinner plate assembly comprises a plate body and a connecting mechanism arranged on the bottom surface of the plate body; the connecting mechanism comprises two supporting tubes inserted into the guide slots, each supporting tube is provided with a driving part and a sliding block with a positioning bulge, and the driving part is positioned in the supporting tube and can move along the length direction of the supporting tube; the driving part is matched with the sliding block through the guide inclined plane, and the sliding block extends out of the side wall through hole of the supporting tube and is clamped into the positioning groove under the action of the first spring so as to fix the dinner plate component and the handrail; moving the driving component to enable the positioning lug to leave the positioning groove and retract along the radial direction of the supporting tube; above-mentioned assembly control simple structure, the simple operation, the user can effectively and stably realize the locking or the unblock between dinner plate subassembly and the handrail.

Description

Assembly structure of dinner plate assembly and child dining chair

Technical Field

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

Background

A child dining chair, which generally comprises supporting legs, a chair body and a dinner plate; 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 rods arranged on the lower side of the plate body, and the two support rods are inserted into the wire slots on the handrail so as to install the dinner plate on the front side of the chair body.

A child dining chair with a multi-adjustable tray having grant publication No. CN205493300U, the tray having a pin inserted into a retaining sleeve; the lateral wall of fixed cover has two at least draw-in grooves along axial interval distribution, and the inner wall of fixed cover is equipped with the guide way of axial extension and each draw-in groove of intercommunication, and the one end of bolt is equipped with the chucking arch that cooperates with the draw-in groove and can follow the guide way and slide.

In order to position the support rod in the handrail, a telescopic clamping bulge is required to be arranged at the front end of the support rod, and a plurality of positioning grooves are arranged in the guide slot along the length direction; the clamping protrusions on the supporting rods are adjusted to be positioned in different positioning grooves, so that different front and back positions of the dinner plate in the chair body can be adjusted.

The existing clamping bulge is a front-end bending part of a controlled metal strip, the rear end of the controlled metal strip can drive the clamping bulge to approach or leave relative to the positioning groove, and the clamping bulge is inflexible due to the deformation of the metal strip, insufficient assembly precision and other reasons, so that the clamping bulge is clamped in the positioning groove and cannot adjust the front and rear positions of the dinner plate on the chair body, or the clamping bulge does not extend into the positioning groove so as not to effectively fix the dinner plate on the chair body.

Disclosure of Invention

The invention aims to provide an assembly structure of a dinner plate component with reliable control of a positioning bulge, and further provides a child dining chair with the assembly structure of the dinner plate component.

The technical scheme adopted by the invention for solving the technical problems is as follows: the assembly structure of the dinner plate component is characterized by comprising the dinner plate component and handrails on two sides of a chair body, wherein the handrails are provided with guide slots in the horizontal direction, a plurality of positioning slots distributed along the length direction are arranged in the guide slots, and the dinner plate component comprises a plate body and a connecting mechanism arranged on the bottom surface of the plate body;

the connecting mechanism comprises two supporting tubes inserted into the guide slots, each supporting tube is provided with a driving part and a sliding block with a positioning bulge, and the driving part is positioned in the supporting tube and can move along the length direction of the supporting tube;

the drive part is matched with the slide block through a guide inclined plane, and the slide block extends out of the side wall through hole of the support tube under the action of the first spring and is clamped in the positioning groove so as to fix the dinner plate component and the handrail;

and moving the driving component to enable the positioning lug on the sliding block to leave the positioning groove and retract towards the direction of the supporting pipe.

The further preferable technical scheme of the invention is as follows: the driving part is provided with a first guide inclined plane, and the sliding block is provided with a second guide inclined plane matched with the first guide inclined plane.

The further preferable technical scheme of the invention is as follows: the driving part is arranged at the front end of the pull rod, and the pull rod penetrates through the supporting pipe.

The further preferable technical scheme of the invention is as follows: the assembly structure of the dinner plate component also comprises a handle part, the front end of the handle part is provided with two support arms, the front end of each support arm is provided with a sleeve sleeved on the support tube, the sleeve can move along the support tube, and the sleeve is connected with the rear end of the pull rod through a connecting rod.

The further preferable technical scheme of the invention is as follows: the rear end of the supporting tube is provided with a positioning column in a penetrating mode, and a second spring is arranged between the positioning column and the sleeve.

The further preferable technical scheme of the invention is as follows: and a slide block bushing is fixedly arranged in the supporting pipe, and the slide block moves in the radial direction of the supporting pipe in the slide block bushing.

The further preferable technical scheme of the invention is as follows: the driving part comprises an inner cavity formed by a first flat plate and a second flat plate, the sliding block is positioned in the inner cavity, the first flat plate and the second flat plate are respectively provided with a first guide inclined plane, the upper end and the lower end of the sliding block are respectively provided with a protruding part, and the protruding parts are respectively provided with a second guide inclined plane matched with the first guide inclined planes.

The further preferable technical scheme of the invention is as follows: the pull rod and the driving part are integrally formed by plastic, and the sliding block is a metal piece.

The further preferable technical scheme of the invention is as follows: a frame body positioned on the periphery of the supporting tube 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 tube; the supporting tube 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.

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

Compared with the prior art, the handrail device has the advantages that the positioning grooves distributed along the length direction are arranged in the guide slot of the handrail, the support tube on the connecting mechanism on the bottom surface of the disc body is inserted into the guide slot to be primarily connected, the support tube is provided with the driving part and the sliding block with the positioning protrusions, and the driving part drives the sliding block to enable the positioning protrusions to be inserted into or separated from the positioning grooves; 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.

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 dinner plate component and the child dining chair provided by the invention are described in detail, the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples 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 is characterized by comprising the dinner plate component and handrails on two sides of a chair body, wherein the handrails are provided with guide slots in the horizontal direction, a plurality of positioning slots distributed along the length direction are arranged in the guide slots, and the dinner plate component comprises a plate body and a connecting mechanism arranged on the bottom surface of the plate body;

2. The assembly structure of a dining plate assembly according to claim 1, wherein the driving member is provided with a first guiding inclined surface, and the sliding block is provided with a second guiding inclined surface matched with the first guiding inclined surface.

3. The assembly structure of a dining plate assembly according to claim 1, wherein the driving member is disposed at the front end of the pull rod, and the pull rod is inserted into the supporting tube.

4. The assembly structure of a dining plate assembly according to claim 3, further comprising a handle member, wherein the handle member has two arms at the front end thereof, and the front end of each arm has a sleeve that fits over the support tube, the sleeve being movable along the support tube, the sleeve being connected to the rear end of the pull rod by a link.

5. The assembly structure of the dinner plate assembly according to claim 4, wherein a positioning post is arranged at the rear end of the supporting tube in a penetrating manner, and a second spring is arranged between the positioning post and the sleeve.

6. The assembly structure of a dining plate assembly according to claim 1, wherein the supporting tube is fixedly provided with a slide bushing, and the slide is arranged in the slide bushing to move along the radial direction of the supporting tube.

7. The assembly structure of a dining plate assembly according to claim 2, wherein the driving member comprises an inner cavity formed by a first plate and a second plate, the sliding block is located in the inner cavity, the first plate and the second plate are both provided with first guiding inclined surfaces, the upper end and the lower end of the sliding block are respectively provided with a protruding part, and the protruding parts are both provided with second guiding inclined surfaces matched with the first guiding inclined surfaces.

8. The assembly structure of a dining plate assembly according to claim 3, wherein the pull rod and the driving member are integrally formed by plastic, and the sliding block is a metal member.

9. The assembly structure of the dining plate assembly of claim 5, wherein the bottom of the plate body is fixedly provided with a frame body positioned at the periphery of the supporting tube, and an annular cavity for accommodating the handrail is formed between the frame body and the supporting tube; the supporting tube 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.

10. A child dining chair comprising an assembly of dining plate assemblies as claimed in any one of claims 1 to 9.