CN214179866U

CN214179866U - Hinge structure of dining chair

Info

Publication number: CN214179866U
Application number: CN202022891637.8U
Authority: CN
Inventors: 孙建锋
Original assignee: Cixi Honeyway Baby Products Co ltd
Current assignee: Cixi Honeyway Baby Products Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-09-14
Anticipated expiration: 2030-12-04

Abstract

The utility model relates to a hinge structure of dining chair, including fore-stock and after-poppet, the upper end of after-poppet is rotated and is connected on the fore-stock, its characterized in that: the front support is connected with the rear support through a connecting arm, the connecting arm is transversely arranged on the rear side of the front support, the front end of the connecting arm is connected with the middle of the front support, and the upper end of the rear support can be rotatably connected to the rear end of the connecting arm through an adjusting assembly. The utility model discloses a set up the linking arm and be connected the upper end of after-poppet with the middle part of fore-stock to set up the adjusting part that enables the after-poppet to rotate relatively in the rear end department of linking arm, be convenient for realize the folding of dining chair, simple structure is reasonable, convenient operation, and the upper end of fore-stock can set up other structures as required in order to satisfy corresponding function, is favorable to making the dining chair on keeping pleasing to the eye basis, and it is more convenient to use.

Description

Hinge structure of dining chair

Technical Field

The utility model relates to a dining chair technical field specifically indicates a hinge structure of dining chair.

Background

Child dining chairs are common tools for children to eat. A foldable child dining chair (application number: CN202020377091.1), whose publication number is CN211862373U, discloses a structure, which comprises a front bracket, a rear bracket, a cushion tube, a backrest tube and a tray, wherein the top end of the front bracket is hinged with the top end of the rear bracket, the rear end of the tray and the rear end of the cushion tube are hinged with the backrest tube, the foldable dining chair further comprises a foldable connecting rod, one end of the foldable connecting rod is hinged with the lower end of the backrest tube, the other end of the foldable connecting rod is hinged with the lower section of the rear bracket, the front bracket is sleeved with a seat pocket sliding sleeve capable of sliding up and down, the lower section of the backrest tube is hinged with the seat pocket sliding sleeve, the middle section of the cushion tube is slidably sleeved with a lower support rod sliding sleeve, the lower support rod sliding sleeve is hinged with the middle section of a support rod, one end of the support rod is hinged with the seat pocket sliding sleeve, and the other end of the support rod is hinged with the tray; the bottom between the front and the back is provided with a support leg at least at the bending part.

The front support and the upper end of the rear support are rotatably connected together so as to facilitate the folding of the dining chair. However, the hinge rotating structure can only directly connect the upper end of the rear bracket with the upper end of the front bracket, and the rear bracket is rotatably connected to the middle part of the front bracket, which limits the arrangement of other functional structures on the front bracket.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art, provide one kind and can rotate the rear bracket and connect in the middle part of fore-stock and simple structure is reasonable, convenient operation's hinge structure of dining chair.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a hinge structure of dining chair, includes fore-stock and after-poppet, the upper end of after-poppet is rotated and is connected on the fore-stock, its characterized in that: the front support is connected with the rear support through a connecting arm, the connecting arm is transversely arranged on the rear side of the front support, the front end of the connecting arm is connected with the middle of the front support, and the upper end of the rear support can be rotatably connected to the rear end of the connecting arm through an adjusting assembly.

Preferably, the inside cavity of linking arm forms the installation cavity, the rear end face of linking arm forms the arc portion of outside hunch-up, it has downwards, the breach that extends forward and supply the after-poppet to rotate the passing from the middle part of this arc portion to open on the linking arm, adjusting part's at least part is located in the installation cavity and is used for spacing the position between after-poppet and the linking arm. By adopting the structure, the rear bracket can rotate back and forth along the gap so as to adjust the angle between the rear bracket and the front bracket, thereby enabling the dining chair to be in a use state or a folding and storing state.

The utility model discloses in, the regulating assembly includes locating part and elastic component, the upper end of after-poppet is passed the breach and is stretched into in the installation cavity and inside cavity, the locating part is located in the after-poppet and is arranged in the installation cavity, the lateral wall epirelief of locating part is equipped with the stopper, it has the first opening that supplies the stopper to pass to open on the lateral wall of after-poppet, it has a plurality of second openings that can supply the stopper to pass to open on the lateral wall of linking arm, the elastic component is located in the installation cavity and is made the locating part remain throughout towards the trend that the second opening popped out. The structure is simple and reasonable, when the limiting block passes through the second opening, the rear support cannot rotate relative to the front support, and the dining chair is stable and reliable in state; when the rear support rotates relative to the front support, the limiting block is pushed inwards to retreat into the inner side of the second opening, the limiting between the rear support and the connecting arm can be cancelled, the rear support can rotate, and the operation is convenient.

In order to facilitate the operation, the adjusting assembly further comprises a pressing piece which can enable the limiting block to retreat into the inner side of the second opening so as to allow the rear bracket to rotate relative to the connecting arm, and the pressing piece is arranged on the outer side of the connecting arm.

In order to facilitate installation of the pressing piece and make the whole structure attractive, a protective cover capable of surrounding the connecting arm is arranged on the front support, the pressing piece can be constrained on the protective cover in a reciprocating mode relative to the second opening, and an opening for exposing the pressing piece is formed in the outer side wall of the protective cover. And a pressing column arranged corresponding to the second opening extends on the inner side wall of the pressing piece.

In order to facilitate assembly and improve the appearance, the shape of the protective cover is matched with that of the connecting arm, the front end of the protective cover is provided with a U-shaped groove capable of clamping the front support, and the inner edge of the U-shaped groove is fixedly connected with the front support.

Preferably, the adjusting assembly further includes an assembly member embedded in the rear bracket, the limiting member and the elastic member are both disposed in the assembly member, and a rotating shaft passes through the connecting arm, the rear bracket and a central portion of the assembly member to rotatably constrain the rear bracket to the connecting arm. This structure is favorable to improving assembly stability to be convenient for install locating part and elastic component.

In the present invention, the upper end of the front frame extends rearward to form a handrail. The arm rests can be made into arm rests convenient for children to hold and can also be used as arm rests for pushing the dining chair to move, so that the dining chair is more convenient to use.

Compared with the prior art, the utility model has the advantages of: the utility model discloses a set up the linking arm and be connected the upper end of after-poppet with the middle part of fore-stock to set up the adjusting part that enables the after-poppet to rotate relatively in the rear end department of linking arm, be convenient for realize the folding of dining chair, simple structure is reasonable, convenient operation, and the upper end of fore-stock can set up other structures as required in order to satisfy corresponding function, is favorable to making the dining chair on keeping pleasing to the eye basis, and it is more convenient to use.

Drawings

FIG. 1 is a schematic view of a dining chair according to an embodiment of the present invention;

fig. 2 is an exploded view of a hinge structure according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a hinge structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the protective cover in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the hinge structure of the dining chair of this embodiment includes a front frame 1, a rear frame 2 and a connecting arm 3 for connecting the rear frame 2 to the front frame 1, the connecting arm 3 is transversely disposed at the rear side of the front frame 1, the front end of the connecting arm is fixedly connected to the middle of the front frame 1 by a screw, and the upper end of the rear frame 2 is rotatably connected to the rear end of the connecting arm 3 by an adjusting assembly 4.

The inside cavity of above-mentioned linking arm 3 forms the installation cavity, and the rear end face of linking arm 3 forms the arc portion 32 of outside hunch-up, and it has downwards, extends forward and supplies the breach 33 that rear bracket 2 rotated and pass from the middle part of this arc portion 32 to open on the linking arm 3, and the part of adjusting part 4 is located in the installation cavity and is used for spacing the position between rear bracket 2 and the linking arm 3. With the above structure, the rear bracket 2 can rotate back and forth along the gap 33 to adjust the angle between the rear bracket and the front bracket 1, so that the dining chair is in a use state or a folding and storing state.

In this embodiment, the adjusting assembly 4 includes a limiting member 41, an elastic member 42, an assembly member 43, a protective cover 44 and a pressing member 45, the upper end of the rear bracket 2 passes through the notch 33 and extends into the installation cavity, and is hollow inside, the limiting member 41 is disposed in the rear bracket 2 and is located in the installation cavity, a limiting member 411 is disposed on the outer side wall of the limiting member 41 in a protruding manner, a first opening 21 for the limiting member 411 to pass is formed in the side wall of the rear bracket 2, the first openings 21 of this embodiment are three and are arranged at intervals in the circumferential direction, a plurality of second openings 34 for the limiting member 411 to pass are formed in the side wall of the connecting arm 3, the second openings 34 of this embodiment are six and are arranged at intervals in the circumferential direction, and the elastic member 42 is disposed in the installation cavity and keeps the limiting member 41 always in a tendency of popping out toward the second openings 34. The structure is simple and reasonable, when the limiting block 411 passes through the second opening 34, the rear bracket 2 cannot rotate relative to the front bracket 1, and the dining chair is stable and reliable in state; when the rear bracket 2 needs to rotate relative to the front bracket 1, the limiting block 411 is pushed inwards to retreat into the inner side of the second opening 34, the limiting between the rear bracket 2 and the connecting arm 3 can be cancelled, the rear bracket 2 can rotate, and the operation is convenient.

The protective cover 44 is provided on the front bracket 1 and surrounds the connecting arm 3, the protective cover 44 has a shape matching the shape of the connecting arm 3, the front end of the protective cover 44 has a U-shaped groove 441 capable of clamping the front bracket 1 therein, and the inner edge of the U-shaped groove 441 is fixedly connected to the front bracket 1 by a screw. The pressing member 45 is constrained on the outer side wall of the protective cover 44 so as to be able to move back and forth relative to the second opening 34, the pressing member 45 is used for retracting the limiting block 411 to the inner side of the second opening 34 so as to allow the rear bracket 2 to rotate relative to the connecting arm 3, and an opening 442 for exposing the pressing member 45 is formed on the outer side wall of the protective cover 44. The inner side wall of the pressing member 45 is extended with a pressing column 451 arranged corresponding to the second opening 34.

The assembly member 43 is embedded in the rear bracket 2 and located in the mounting cavity, the limiting member 41 and the elastic member 42 are both disposed in the assembly member 43, and a rotating shaft 46 passes through the central portion of the protective cover 44, the connecting arm 3, the rear bracket 2 and the assembly member 43 to rotatably constrain the rear bracket 2 to the connecting arm 3. The assembly 43 has an accommodating groove 431 formed therein and arranged along the circumferential direction and having an opening facing the second opening 34, the retaining member 41 is disposed in the accommodating groove 431, and the elastic member 42 is a spring disposed in the accommodating groove 431 and respectively abutted against the inner wall of the accommodating groove 431 and the retaining member 41.

In the present embodiment, the armrest 11 is formed extending rearward at the upper end of the front bracket 1. The armrest 11 can be made into an armrest which is convenient for children to hold, and can also be used as an armrest for pushing the dining chair to move, so that the dining chair is more convenient to use.

This embodiment is connected the upper end of after-poppet 2 with the middle part of fore-stock 1 through setting up linking arm 3 to set up the relative pivoted adjusting part 4 of messenger's after-poppet 2 in the rear end department of linking arm 3, be convenient for realize the folding of dining chair, simple structure is reasonable, convenient operation, the upper end of fore-stock 1 can set up other structures as required in order to satisfy corresponding function, be favorable to making the dining chair on keeping pleasing to the eye basis, it is more convenient to use.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. The utility model provides a hinge structure of dining chair, includes fore-stock and after-poppet, the upper end of after-poppet is rotated and is connected on the fore-stock, its characterized in that: the front support is connected with the rear support through a connecting arm, the connecting arm is transversely arranged on the rear side of the front support, the front end of the connecting arm is connected with the middle of the front support, and the upper end of the rear support can be rotatably connected to the rear end of the connecting arm through an adjusting assembly.

2. The hinge structure of dining chair as claimed in claim 1, wherein: the inside cavity of linking arm forms the installation cavity, the rear end face of linking arm forms the arc portion of outside hunch-up, it has downwards, extends forward and supplies the breach that the after-poppet rotated and passed from the middle part of this arc portion to open on the linking arm, adjusting part's at least part is located in the installation cavity and is used for spacing the position between after-poppet and the linking arm.

3. The hinge structure of dining chair as claimed in claim 2, wherein: the adjusting part comprises a limiting part and an elastic part, the upper end of the rear support penetrates through the notch to stretch into the installation cavity and is hollow inside, the limiting part is arranged in the rear support and is located in the installation cavity, a limiting block is arranged on the upper portion of the outer side wall of the limiting part, a first opening for the limiting block to pass is formed in the side wall of the rear support, a plurality of second openings capable of enabling the limiting block to pass are formed in the side wall of the connecting arm, and the elastic part is arranged in the installation cavity and enables the limiting part to always keep a tendency of popping out towards the second openings.

4. A hinge assembly for a dining chair according to claim 3, wherein: the adjusting assembly further comprises a pressing piece which enables the limiting block to retreat into the inner side of the second opening so as to allow the rear support to rotate relative to the connecting arm, and the pressing piece is arranged on the outer side of the connecting arm.

5. The hinge structure of dining chair as claimed in claim 4, wherein: the front support is provided with a protective cover capable of surrounding the connecting arm, the pressing piece can be constrained on the protective cover in a reciprocating mode relative to the second opening, and an opening for exposing the pressing piece is formed in the outer side wall of the protective cover.

6. The hinge structure of dining chair as claimed in claim 5, wherein: and a pressing column arranged corresponding to the second opening extends on the inner side wall of the pressing piece.

7. The hinge structure of dining chair as claimed in claim 5, wherein: the shape of the protective cover is matched with that of the connecting arm, the front end of the protective cover is provided with a U-shaped groove capable of clamping the front support, and the inner edge of the U-shaped groove is fixedly connected with the front support.

8. A hinge assembly for a dining chair according to claim 3, wherein: the adjusting component further comprises an assembly part, the assembly part is embedded in the rear support, the limiting part and the elastic part are arranged in the assembly part, and a rotating shaft penetrates through the connecting arm, the rear support and the central part of the assembly part to rotatably restrict the rear support on the connecting arm.

9. A hinge assembly for a dining chair according to any one of claims 1 to 8, wherein: the upper end of the front bracket extends backwards to form a handrail.