CN112716201B - Assembly structure of dinner plate component and armrest and child dining chair - Google Patents
Assembly structure of dinner plate component and armrest and child dining chair Download PDFInfo
- Publication number
- CN112716201B CN112716201B CN202011601922.XA CN202011601922A CN112716201B CN 112716201 B CN112716201 B CN 112716201B CN 202011601922 A CN202011601922 A CN 202011601922A CN 112716201 B CN112716201 B CN 112716201B
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- plate
- guide
- tray
- supporting
- handrail
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D1/00—Children's chairs
- A47D1/008—Children's chairs with trays
- A47D1/0081—Children's chairs with trays adjustable
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Abstract
The invention discloses an assembly structure of a dinner plate assembly and armrests and a child dining chair, which comprise the dinner plate assembly and the armrests on two sides of a chair body, wherein the armrests are provided with guide slots extending in the horizontal direction, the dinner plate assembly comprises a plate body and a supporting part extending forwards on the lower side of the plate body, and the supporting part is separated from the bottom of the plate body; the bottom of the tray body is fixedly provided with a frame body positioned at the periphery of the supporting part, and an annular inner cavity for accommodating the handrail is formed between the frame body and the supporting part; the support part 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 being lifted up relative to the armrests under the action of external force so as to form a gap with the armrests, and the fingers of the infants are prevented from being clamped by the dinner plate which is easy to lift up after extending into the gap.
Description
Technical Field
The invention relates to a child dining chair, in particular to an assembling structure of a dinner plate component and armrests of the child dining chair.
Background
Child dining chairs generally include support feet, chair bodies, and dinner plates; multifunctional child dinning chairs such as CN102485121 a; CN110693243a, and the like.
Wherein, CN 105476333A's children's dining chair of being convenient for adjust, the concrete structure of dinner plate part is: the two sides of the chair body are respectively provided with an armrest, a guide slot is arranged in the middle of the armrest, the dinner plate comprises a plate body and two supporting pipes arranged on the lower side of the plate body, and the two supporting pipes are inserted into the guide wire slots on the armrests so as to install the dinner plate on the front side of the chair body.
Because a certain gap exists between the support tube and the bottom surface of the tray body, the support tube of the dinner plate is inserted into and positioned behind the handrail; according to the safety standard requirements of the dining chair, the gap between the upper surface of the armrest and the bottom surface of the front end of the tray body meets the requirements; however, during the use of the dining chair, the tray body of the dining plate may be inclined due to stress, so that a gap exceeding a safe range exists between the bottom surface of the front end of the tray body and the upper surface of the armrest, and fingers of an infant for example, may be clamped.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an assembly structure of a dinner plate assembly and an armrest, which is better in safety, so that the gap change between the upper surface of the armrest and the front end bottom plate of the plate body caused by inclination of the plate body is eliminated, and the risk of clamping fingers of an infant is eliminated. Further provided is a child dinning chair with the assembly structure of the dinner plate component and the armrests.
The technical scheme adopted 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 the chair body, wherein the armrests are provided with guide slots extending in the horizontal direction, the dinner plate component comprises a plate body and supporting components extending forwards on the lower side of the plate body, and the supporting components are at a certain distance from the bottom of the plate body;
the bottom of the tray body is fixedly provided with a frame body positioned at the periphery of the supporting part, and an annular inner cavity for accommodating the handrail is formed between the frame body and the supporting part;
the support part extends into the guide slot, the handrail extends into the annular inner cavity of the frame body, and the frame body is enabled to limit the inclination of the tray body 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 cross section of the annular inner cavity, so that the inner wall of the frame body is matched with 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 part 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 rearward to the rear end of the support member.
The further preferable technical scheme of the invention is as follows: the periphery of the tray body is provided with a convex ring structure which is arched upwards, 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 part comprises a supporting pipe and a sliding block positioned in the supporting pipe, wherein the sliding block is provided with a positioning protrusion, the positioning protrusion can extend out of or retract in the side wall of the supporting pipe, and a positioning groove matched with the positioning protrusion is formed in the guiding slot.
The further preferable technical scheme of the invention is as follows: the support tube is internally provided with a driving part matched with the sliding block, the driving part can act along the length direction of the support tube, and the driving part is matched with the sliding block through a guide inclined plane.
Another preferred subject is: the child dining chair comprises an assembling structure of the dinner plate component and the armrests.
Compared with the prior art, the invention has the advantages that the annular inner cavity for accommodating the handrail is formed between the frame body with the bottom surface fixed on the tray body and the supporting part, and when the supporting part on the dinner plate assembly stretches into the guiding slot of the handrail, the handrail stretches into the annular inner cavity of the frame body so as to enable the tray body to limit the inclination of the tray body relative to the handrail; the dinner plate is prevented from being lifted up relative to the armrests under the action of external force so as to form a gap with the armrests, and the fingers of the infants are prevented from being clamped by the dinner plate which is easy to lift up after extending into the gap.
Drawings
The invention will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the invention. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
FIG. 1 is a schematic view of the overall structure of a child dinning chair;
FIG. 2 is a schematic view of the overall structure of the dinner plate assembly;
fig. 3 is an enlarged view 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 schematic view of a dinner plate assembly;
fig. 8 is an enlarged view of D in fig. 7;
FIG. 9 is a schematic diagram of a second embodiment of a dinner plate assembly;
fig. 10 is an enlarged view at E in fig. 9;
FIG. 11 is a schematic view of a third embodiment of a dinner plate assembly;
fig. 12 is an enlarged view at F in fig. 11;
FIG. 13 is a schematic view of the structure of the bottom of the dinner plate;
FIG. 14 is a schematic side view of a dinner plate assembly;
FIG. 15 is a schematic view of an assembled structure of the dinner plate assembly;
fig. 16 is an enlarged view at G in fig. 15;
FIG. 17 is a schematic view of the handle assembly mounted to the chair body;
FIG. 18 is a second schematic view of an assembled structure of the dinner plate assembly;
FIG. 19 is a schematic view of a dinner plate assembly;
fig. 20 is an enlarged view of R in fig. 19;
fig. 21 is a schematic structural view of the handrail in the present embodiment.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the invention.
It should be noted that: like reference numerals denote 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 the following figures.
As shown in fig. 1, in the present embodiment, a schematic overall structure of a child dinning chair 100 is shown, and the child dinning chair 100 includes a chair body 101 and an assembly structure 200 of a dinner plate assembly mounted on the chair body 101.
For the assembly structure 200 of the dinner plate assembly, the assembly structure 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 plate body 20 and a connecting mechanism 30 arranged on the bottom surface of the plate body 20.
The connection mechanism 30 comprises two support tubes 31 inserted into the guide slots 202, each support tube 31 is provided with a driving part 40 and a sliding block 50 with a positioning protrusion 51, and the driving part 40 is positioned in the support tube 31 and can move along the length direction of the support tube 31.
The driving part 40 and the sliding block 50 are matched with each other through a guide inclined plane, so that a user can drive the driving part 40 to realize the movement of the sliding block 50; in the first state, the sliding block 50 extends out of the side wall through hole 02 of the supporting tube 31 under the action of the first spring f1 and is clamped into the positioning groove 203, so that the dinner plate assembly 300 and the armrest 201 are fixed; in the second state, the user can move the driving part 40 to make the positioning projection 51 on the slider 50 leave the positioning groove 203 and retract toward the support tube 31.
Positioning grooves 203 distributed along the length direction are formed in the guide slots 202 of the handrails 201, support tubes 31 on the connecting mechanisms 30 on the bottom surfaces of the tray bodies are inserted into the guide slots 202 for preliminary connection, driving parts 40 and sliding blocks 50 with positioning protrusions 51 are arranged on the support tubes 31, the driving parts 40 drive the sliding blocks 50 to enable the positioning protrusions 51 to be inserted into or separated from the positioning grooves 203, and then unlocking or locking of the tray bodies 20 and the handrails 201 is achieved; the assembly control structure is simple, the operation is convenient, and a user can effectively and stably realize the back-and-forth switching of the dinner plate component and the handrail in the locking state or the unlocking state.
As shown in fig. 5 and 6, it is necessary to explain the guiding inclined surfaces between the driving member 40 and the slider 50, wherein the driving member 40 is provided with a first guiding inclined surface 40s, and the slider 50 is provided with a second guiding inclined surface 50s which is matched with the first guiding inclined surface 40 s.
In the actual operation process of the driving component 40 and the sliding block 50, as shown in fig. 7 to 12 and 21, when a user applies an external force to the driving component 40, the first guiding inclined surface 40s on the driving component 40 pushes the second guiding inclined surface 50s on the sliding block 50, and further drives the sliding block 50 to move, so that the positioning protrusion 51 on the sliding block 50 leaves the positioning groove 203, and at this time, the user can adjust the front-back position of the disk 20; after the dinner plate is adjusted, the user removes the external force, and the sliding block 50 makes the positioning protruding block 51 insert into the corresponding positioning groove 203 under the action of the first spring f 1.
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, a slider 50 is located in the inner cavity 40h, first guide inclined surfaces 40s are provided on the first plate 41 and the second plate 42, protruding portions 52 are provided at upper and lower ends of the slider 50, respectively, and second guide inclined surfaces 50s that cooperate with the first guide inclined surfaces 40s are provided on the protruding portions 52.
The first guiding inclined surfaces 40s on the first plate 41 and the second plate 42 are in a V shape, and correspondingly, the second guiding inclined surfaces 50s on two opposite sides of the slider 50 are also in a V shape, so that the slider 50 can be driven when the driving member 40 moves left and right.
In actual installation, the driving part 40 is arranged at the front end of the pull rod 08, and the pull rod 08 is arranged in the supporting tube 31 in a penetrating way; the use may be achieved by pulling 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 as a plastic, and the slider 50 is a metal piece. A slider bushing 80 is fixedly provided in the support tube 31, and the slider 50 is moved in the slider bushing 80 in the radial direction of the support tube 31.
The coupling mechanism 30 includes a pull tab member 60 and a locking mechanism controlled by the pull tab member 60, i.e., the various technical components required to operate the insertion and removal of the positioning tab 51 from the positioning slot 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 a locking mechanism, the handle member 60 can be tightly attached to the bottom surface of the tray 20, a guiding member 60d for restricting the handle member 60 from moving along a predetermined direction is provided at the bottom of the tray 20, the moving direction of the handle member 60 is consistent with the extending direction of the support tube 31, and a restricting member 60f for restricting the tray 20 from separating from the bottom surface of the tray 20 is provided on the tray 20.
The handle part 60 is connected with a locking mechanism of a bottom surface connecting mechanism of the tray body 20 through a 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 guiding part 60d for guiding the handle part 60 to move along a preset direction, and the handle part 60 can be clung to the bottom surface of the tray body 20 under the action of the limiting part 60f and the guiding part 60d and can move more stably; when the user pulls the handle component 60, the handle component 60 can more stably and rapidly control the locking mechanism to unlock or lock the tray 20, so as to further ensure the stability of the tray 20 after 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 at the rear side of the base plate 64 and forms two first sides L1, and the guide member 60d is a guide plate 01 located at the outside of the first sides L1, and the guide plate 01 is formed by protruding from the base plate 64.
The operating portion 63 includes a hand hole 632 and a wrench portion 631 located at a rear end of the hand 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 operating part 63, and a guide block 635 adapted to the guide groove 633 is fixedly provided at the bottom surface of the tray 20. The guide block 635 plays a role of guiding the movement of the handle member 60 together with the guide plate 01.
A limiting plate 636 is disposed below the guide block 635 to limit the detachment of the base plate 64 from the bottom surface of the tray 20. Specifically, the limiting plate 636 is embedded in the limiting groove 637 formed on the base plate 64, the limiting structure formed by the limiting plate 636 and the limiting groove 637 can play a role in bearing the base plate 64, limit the base plate longitudinally, and prevent the handle component 60 from falling under the action of gravity, preferably, the limiting groove 637 is located above the guiding groove 633, and the caliber of the notch of the limiting groove 637 is larger than that of the guiding groove 633.
Preferably, the front ends of the two support arms 61 in this embodiment are respectively provided with a sleeve 62 sleeved on the support tube 31, the sleeve 62 can move along the support tube 31, and the sleeve 62 is connected with the rear end of the pull rod 08 through a connecting rod 70. Under normal state, sleeve 62 is overlapped and is established outside connecting rod 70, can play the guard action to connecting rod 70 on the one hand, and on the other hand also can match the stay tube 31 outside the pull rod 08 for the whole connection is cleaner and tidier.
The rear end of the supporting tube 31 is provided with a positioning column 32 in a penetrating way, and a second spring f2 is arranged between the positioning column 32 and the sleeve 62.
In actual operation, the user pulls the manipulating part 63 of the handle member 60 to drive the arm 61 to pull the sleeve 62 and compress the second spring f2, and in addition, the sleeve 62 pulls the pull rod 08 through the link 70, so as to finally drive the driving member 40. When the user removes the pulling force on the operating portion 63, the sleeve 62 will return under the resilience force of the second spring f2, and then push the link 70 and the pull rod 08 connected to the link 70 to return.
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 cavity c for accommodating the handrail 201 is formed between the frame 90 and the support tube 31 on the support member; 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 inclination of the tray body 20 relative to the handrail 201; thereby avoiding the tray body 20 from rising relative to the armrest 201 under the action of external force so as to form a gap with the armrest 201, and preventing the fingers of the infant from being clamped by the dinner plate which is easy to rise after extending into the gap.
Preferably, the outer contour of the armrest 201 is matched with the cross section of the annular inner cavity c, so that the inner wall of the frame body 90 is attached to the outer surface of the armrest 201, and further, a gap is prevented from being formed between the inner wall of the frame body 90 and the outer surface of the armrest 201, and fingers of an infant are prevented from being pinched.
Specifically, the frame 90 is formed by a cover m fixed to the bottom surface of the tray 20, the cover m including a bottom edge m1 and two side edges m2.
The cover m may be fixed to the bottom surface of the tray 20 by screws. Of course, those skilled in the art can also fix the cover m 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 20 so that the support tube 31 can be accurately and quickly inserted into the guide slot 202 of the armrest 201; the front end surface of the cover m is substantially flush with the front edge of the tray 20, so that the appearance of the tray 20 is more neat.
The rear end of the cover m extends rearward to the rear end of the support tube 31 of the support member, further avoiding the generation of a gap between the support tube 31 and the tray 20 in the entire length direction.
As shown in fig. 16, 19 and 20, the periphery of the tray 20 is provided with an upwardly arched convex ring structure 20t, the convex ring structure 20t comprises a vertical outer wall t1, the front end surface of the cover m is provided with a bending wall t2, and the vertical outer wall t1 and the bending wall t2 are basically located on the same plane.
An annular cavity c for accommodating the armrest 201 is formed between the frame body 90 and the support tube 31, and when the support tube 31 on the dinner plate assembly stretches into the guide slot 202 of the armrest 201, the armrest 201 stretches into the annular cavity c of the frame body 90, so that the frame body 90 limits the inclination of the tray body 20 relative to the armrest 201; the tray body 20 is prevented from being lifted up relative to the armrest 201 under the action of external force so as to form a gap with the armrest 201, and the fingers of the infant are prevented from being clamped by the dinner plate which is easy to lift up after extending into the gap.
The assembly structure of the dinner plate component and the armrests and the child dining chair provided by the invention are described in detail, and specific examples are applied to illustrate the principle and the implementation of the invention, and the description of the examples is only used for helping to understand the invention and the core idea. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (4)
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 the chair body, wherein the armrests are provided with guide slots extending in the horizontal direction, the dinner plate component comprises a plate body and supporting components extending forwards on the lower side of the plate body, and the supporting components are at a certain distance from the bottom of the plate body;
the bottom of the tray body is fixedly provided with a frame body positioned at the periphery of the supporting part, and an annular inner cavity for accommodating the handrail is formed between the frame body and the supporting part;
the support part extends into the guide slot, the handrail extends into the annular inner cavity of the frame body, and the frame body limits the inclination of the tray body relative to the handrail;
the outer contour of the handrail is matched with the cross section of the annular inner cavity, so that the inner wall of the frame body is matched with the outer surface of the handrail;
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 front end of the supporting part exceeds the front edge of the tray body, and the front end surface of the cover body is basically level with the front edge of the tray body;
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 surface 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 supporting part comprises a supporting pipe and a sliding block positioned in the supporting pipe, wherein the sliding block is provided with a positioning protrusion which can extend out or retract in the side wall of the supporting pipe, and a positioning groove matched with the positioning protrusion is arranged in the guiding slot;
a driving part matched with the sliding block is arranged in the supporting pipe, the driving part can act along the length direction of the supporting pipe, and the driving part is matched with the sliding block through a guide inclined plane;
the driving component 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 plane;
when external force is applied to the driving part, the first guide inclined plane pushes the second guide inclined plane, and the positioning protrusion on the sliding block is separated from the positioning groove;
when the external force of the driving part is removed, the sliding block enables the positioning convex blocks to be inserted into the corresponding positioning grooves under the action of the first springs;
the bottom surface of the tray body is provided with a handle part, and the handle part comprises an integrated operating part and two support arms; the front end of the support arm is provided with a sleeve sleeved on the support pipe, and the sleeve can move along the support pipe;
a pull rod is penetrated in the support tube, and the driving part is arranged at the front end of the pull rod; the sleeve is connected with the rear end of the pull rod through a connecting rod; a positioning column is arranged at the rear end of the supporting tube in a penetrating way, and a second spring is arranged between the positioning column and the sleeve;
pulling the control part on the handle part to drive the support arm to pull the sleeve and compress the second spring, wherein the sleeve pulls the pull rod through the connecting rod to drive the driving part;
pulling force on the operating part is removed, the sleeve is reset under the action of resilience force of the second spring, and the connecting rod and the pull rod connected with the connecting rod are pushed to reset;
the tray body is provided with a limiting part for limiting the tray body to be separated from the bottom surface of the tray body and a guiding part for guiding the handle part to move along a preset direction;
the handle component comprises a base plate, the operating part is positioned at the rear side of the base plate and forms two first side edges, the guide component is a guide plate positioned at the outer side limited at the first side edges, and the guide plate is formed by protruding on the base plate;
the front edge of the base plate at the front side of the operating part is provided with a guide groove, and the bottom surface of the tray body is fixedly provided with a guide block matched with the guide groove; the guide block is characterized in that a limiting plate is arranged below the guide block, the limiting plate is embedded into a limiting groove formed in the base plate, and the limiting plate and the limiting groove form a limiting structure.
2. The assembly structure of claim 1, wherein the cover is fastened to the bottom surface of the tray by screws.
3. The tray assembly and arm rest assembly of claim 1, wherein the rear end of the cover extends rearward to the rear end of the support member.
4. A child dinning chair comprising a tray assembly as claimed in any one of claims 1 to 3 in combination with an arm rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011601922.XA CN112716201B (en) | 2020-12-29 | 2020-12-29 | Assembly structure of dinner plate component and armrest and child dining chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011601922.XA CN112716201B (en) | 2020-12-29 | 2020-12-29 | Assembly structure of dinner plate component and armrest and child dining chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112716201A CN112716201A (en) | 2021-04-30 |
| CN112716201B true CN112716201B (en) | 2023-09-12 |
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| CN202011601922.XA Active CN112716201B (en) | 2020-12-29 | 2020-12-29 | Assembly structure of dinner plate component and armrest and child dining chair |
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| CN (1) | CN112716201B (en) |
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| Publication number | Publication date |
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| CN112716201A (en) | 2021-04-30 |
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Effective date of registration: 20230817 Address after: 315700 Xizhou Town Industrial Zone, Xiangshan County, Ningbo City, Zhejiang Province Applicant after: Ningbo Huasheng Plastic Products Co.,Ltd. Address before: Room 402, 23 Jinyuan West Lane, Jiangdong District, Ningbo City, Zhejiang Province 315000 Applicant before: Bao Yiyi |
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