CN220571880U

CN220571880U - Folding structure of dining chair

Info

Publication number: CN220571880U
Application number: CN202321530934.7U
Authority: CN
Inventors: 李良伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-03-12
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses a folding structure of a dining chair, and relates to the technical field of folding of dining chairs. It comprises the following steps: the seat board, the backrest rotationally connected to the end part of the seat board, the armrest rotationally connected to the other end part of the seat board and the unlocking component arranged in the back mounting groove of the backrest; the inner side of the end, far away from the seat board, of the armrest is provided with a locking block, and the end part of the locking block is provided with a limiting bulge; the unlocking component comprises an unlocking base, an unlocking button and a spring; a sliding groove is formed in one end of the unlocking base, a locking groove is formed in one side of the sliding groove, and the locking block can enter or move out of the locking groove when the handrail is rotated; the outside of the chute is provided with a pressing opening, and the unlocking button is arranged in the chute in a sliding way; the spring butt is between release button and mounting groove cell wall, and release button is equipped with the dog away from the one end of spring, and the dog can get into or shift out the spout along with release button slip. The dining chair has a simpler folding structure, the unlocking button is pressed to unlock the armrests and the backrest and rotate relative to the seat plate, so that one-key folding is realized, and the operation is convenient and quick.

Description

Folding structure of dining chair

Technical Field

The utility model relates to the technical field of dining chair folding, in particular to a dining chair folding structure.

Background

The dining chair is a seat for supplying infant to have dinner, and in order to be convenient for accomodate, most dining chairs on the market all possess folding function, and the beta structure of dining chair is also different, but the following problem of ubiquitous: the folding structure has more component parts, can be realized by the linkage between the components, has complicated folding steps, is inconvenient for a user to operate on one hand, and further leads to complex production process and higher production cost due to the multiple component parts on the other hand.

Based on this, the applicant proposes a novel folding structure of dining chairs to solve the above-mentioned problems.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a folding structure of a dining chair aiming at the defects in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a folding structure of a dining chair, comprising: the seat board, the backrest rotationally connected to the end part of the seat board, the armrest rotationally connected to the other end part of the seat board and the unlocking component arranged in the back mounting groove of the backrest;

a locking block is arranged on the inner side of one end, far away from the seat board, of the armrest, and a limiting protrusion is arranged at the end part of the locking block; the unlocking assembly comprises an unlocking base, an unlocking button and a spring, wherein a chute is formed in one end of the unlocking base, a locking groove is formed in one side of the chute, and the locking block can enter or move out of the locking groove; the outer side of the sliding groove is provided with a pressing opening, and the unlocking button is arranged in the sliding groove in a sliding manner and corresponds to the pressing opening in position; the spring is arranged along the pressing direction of the unlocking button and is abutted between the unlocking button and the wall of the mounting groove, one end of the unlocking button, which is far away from the spring, is provided with a stop block, and the stop block can enter or move out of the chute along with the sliding of the unlocking button;

after the lock block enters the lock groove, the stop block of the lock release button is released to move out of the sliding groove to prop against the lock block, the limit protrusion is blocked, and the lock block cannot move out of the lock groove; when the button is unlocked, the stop block can move out of the locking groove after entering the sliding groove.

Preferably, the two sides of the end part of the seat board are convexly provided with first mounting parts; the bottom end of the backrest is provided with a rotating part, and two sides of the rotating part are connected with a first installation part through a rotating shaft;

the end part of the seat board, which is far away from the first installation part, is provided with a second installation part; one end of the armrest is rotatably connected to the second mounting part.

Preferably, the groove wall of the mounting groove and one end of the unlocking base, which is far away from the sliding groove, are provided with corresponding U-shaped openings, and the U-shaped openings on the unlocking base are communicated with the locking groove.

Preferably, the armrest is L-shaped, and the upper surface of the armrest is provided with a dinner plate groove.

Preferably, limiting inclined planes are arranged on two sides of the seat board and used for limiting the maximum rotation angle of the handrail.

Preferably, a limiting groove is arranged between the two first mounting parts of the seat plate and used for limiting the rotation angle of the backrest.

Preferably, the front groove wall of the limit groove is provided with a positioning opening, the bottom of the rotating part is provided with a positioning block, and the positioning block can enter or move out of the positioning opening along with the rotation of the backrest.

Preferably, the bottom surface of the seat board is provided with an inserting hole for inserting the supporting frame.

The utility model has the beneficial effects that:

compared with the prior art, the folding structure of the dining chair is simpler, the unlocking button is pressed, the spring is compressed, the stop block enters the sliding groove, the handrail is unlocked between the handrail and the backrest at the moment, the locking block is rotated to move out of the locking groove, and therefore the backrest can also be rotated, and the backrest and the handrail rotate relative to the seat plate, so that one-key folding is realized, on one hand, the folding operation of a user is more convenient and quick, time and labor are saved, and on the other hand, when the dining chair is manufactured by a producer, the production process of the dining chair is simpler and the cost is lower due to the relatively complex folding structure.

Drawings

For ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present embodiment in a use state;

fig. 2 is a schematic structural view of the present embodiment in a folded state;

fig. 3 is a schematic structural view of an unlocking component of the present embodiment;

fig. 4 is a schematic view of the back of the seat plate of the present embodiment.

In the figure:

100-seat board; 110-a first mounting portion; 120-a second mounting portion; 130-limiting inclined plane; 140-limiting grooves; 141-positioning the port; 150-jacks;

200-backrest; 210-a rotating part; 211-positioning blocks;

300-armrests; 310-locking piece; 311-limit protrusions; 320-dinner plate groove;

400-unlocking the assembly; 410-unlocking the base; 411-chute; 412-a locking groove; 413—a pressing port; 420-unlock button; 421-stop;

500-U-shaped mouth.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments; in the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the utility model. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the utility model. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

Fig. 1 to 4 show a folding structure of a dining chair according to this embodiment, which includes: the seat pan 100, the backrest 200 rotatably connected to the end of the seat pan 100, the armrest 300 rotatably connected to the other end of the seat pan 100, and the unlocking assembly 400 installed in the back installation groove of the backrest 200; the inner side of the end, far away from the seat board 100, of the armrest 300 is provided with a locking block 310, and the end part of the locking block 310 is provided with a limiting protrusion 311;

unlocking assembly 400 includes an unlocking base 410, an unlocking button 420, and a spring; a sliding groove 411 is formed in one end of the unlocking base 410, a locking groove 412 is formed in one side of the sliding groove 411, and the locking block 310 can enter or move out of the locking groove 412 when the armrest 300 is rotated; the outside of the sliding chute 411 is provided with a pressing opening 413, and the unlocking button 420 is slidably arranged in the sliding chute 411 and corresponds to the pressing opening 413 in position; the spring is arranged along the pressing direction of the unlocking button 420 and is abutted between the unlocking button 420 and the wall of the mounting groove, one end of the unlocking button 420, which is far away from the spring, is provided with a stop block 421, and the stop block 421 can enter or move out of the sliding groove 411 along with the sliding of the unlocking button 420;

specifically, when the dining chair needs to be used, the unlocking button 420 is pressed, the spring is compressed, the lock block 310 enters the lock groove 412, the unlocking button 420 is released, the spring rebounds, the stop block 421 moves out of the slide groove 411 to prop against the lock block 310, and meanwhile, the limit protrusion 311 is blocked, so that the lock block 310 cannot move out of the lock groove 412, at the moment, the armrest 300 and the backrest 200 are locked, and cannot rotate, so that the dining chair can be safely taken; when the dining chair needs to be folded, the button unlocking button 420 is compressed, the spring is compressed, the stop block 421 enters the sliding groove 411, at the moment, the armrest 300 and the backrest 200 are unlocked, the armrest 300 is rotated, the locking piece 310 can move out of the locking groove 412, and therefore the backrest 200 can also be rotated, and the backrest 200 and the armrest 300 rotate relative to the seat board 100, so that folding is achieved.

Compared with the prior art, the folding structure of the dining chair is simpler, the unlocking button 420 is pressed to enable the armrest 300 and the backrest 200 to be unlocked and rotate relative to the seat board 100, and one-key folding is achieved, so that on one hand, folding operation of a user is more convenient and quick, on the other hand, when the user is in processing and manufacturing, the process of the embodiment of the relatively complex folding structure is simpler, and the cost is lower.

In this embodiment, the first mounting portions 110 are protruding from two sides of the end portion of the seat board 100, the rotating portions 210 are disposed at the bottom end of the backrest 200, two sides of the rotating portions 210 are connected to the first mounting portions 110 through the rotating shaft, that is, the backrest 200 rotates more smoothly in the shaft groove at the first mounting portions 110 through the rotating shaft, a limiting groove 140 is disposed between the two first mounting portions 110 of the seat board 100, and the rotating portions 210 of the backrest 200 abut against the inner wall of the limiting groove 140 when the seat is in use, that is, the maximum rotation angle of the backrest 200 is defined.

The end of the seat plate 100 away from the first mounting portion 110 is provided with a second mounting portion 120, one end of the armrest 300 is rotatably connected to the second mounting portion 120, and the front end of the second mounting portion 120 is blocked in front of the end of the armrest 300, so that the second mounting portion 120 functions to facilitate rotation of the armrest 300, and to limit the rotation position of the armrest 300, thereby preventing the armrest 300 from rotating forward.

In this embodiment, the mounting groove wall and one end of the unlocking base 410 far away from the sliding groove 411 are provided with corresponding U-shaped openings 500, and the U-shaped openings 500 on the unlocking base 410 are communicated with the locking groove 412, so that the armrest 300 can be rotated to enable the locking block 310 to enter the locking groove 412.

In this embodiment, the armrest 300 has an L-shape, and the upper surface of the armrest 300 is provided with a dinner plate groove 320 for installing a dinner plate.

In this embodiment, the seat plate 100 is provided with limiting inclined surfaces 130 at both sides, and when the dining chair needs to be folded, the armrest 300 is rotated to be attached to the limiting inclined surfaces 130 after the armrest 300 and the backrest 200 are unlocked, i.e. the maximum rotation angle of the armrest 300 is defined.

In this embodiment, the front groove wall of the limiting groove 140 is provided with a positioning opening 141, the bottom of the rotating portion 210 is provided with a positioning block 211, the positioning block 211 can enter or move out of the positioning opening 141 along with the rotation of the backrest 200, and after the backrest 200 is positioned, on one hand, the locking block 310 on the armrest 300 and the unlocking button 420 are conveniently locked in a matching manner, and on the other hand, the backrest 200 and the seat plate 100 can be more stable.

In this embodiment, the bottom surface of the seat plate 100 is provided with a receptacle 150 for receiving a support frame under the dining chair.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

In the description of the present application, it should be understood that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the present application. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. A folding structure of a dining chair, comprising:

the seat board (100), the backrest (200) rotatably connected to the end part of the seat board (100), the armrest (300) rotatably connected to the other end part of the seat board (100) and the unlocking component (400) arranged in the back mounting groove of the backrest (200);

a locking block (310) is arranged on the inner side of one end, far away from the seat board (100), of the armrest (300), and a limit protrusion (311) is arranged on one side of the end part of the locking block (310);

the unlocking assembly (400) comprises an unlocking base (410), an unlocking button (420) and a spring;

a sliding groove (411) is formed in one end of the unlocking base (410), a locking groove (412) is formed in one side of the sliding groove (411), and the locking block (310) can enter or move out of the locking groove (412);

the outside of the sliding groove (411) is provided with a pressing opening (413), and the unlocking button (420) is arranged in the sliding groove (411) in a sliding manner and corresponds to the pressing opening (413); the spring is arranged along the pressing direction of the unlocking button (420) and is abutted between the unlocking button (420) and the wall of the mounting groove, one end, far away from the spring, of the unlocking button (420) is provided with a stop block (421), and the stop block (421) can slide along with the unlocking button (420) to enter or move out of the sliding groove (411);

after the lock block (310) enters the lock groove (412), the lock block (310) can not move out of the lock groove (412) by releasing the lock block (421) of the lock block (420) and moving out of the slide groove (411) to prop against the lock block (310) and shielding the limit protrusion (311); when the unlocking button (420) is pressed, the stop block (421) enters the sliding groove (411), and the locking block (310) can move out of the locking groove (412).

2. A folding structure of dining chair according to claim 1, characterized in that the two sides of the end of the seat plate (100) are provided with first mounting parts (110) in a protruding manner; the bottom end of the backrest (200) is provided with a rotating part (210), and two sides of the rotating part (210) are connected with a first installation part (110) through a rotating shaft;

the end part of the seat board (100) far away from the first installation part (110) is provided with a second installation part (120); one end of the armrest (300) is rotatably connected to the second mounting portion (120).

3. The folding structure of a dining chair according to claim 1, wherein a corresponding U-shaped opening (500) is arranged at one end of the installation groove wall and the unlocking base (410) far away from the sliding groove (411), and the U-shaped opening (500) on the unlocking base (410) is communicated with the locking groove (412).

4. The folding structure of a dining chair according to claim 1, wherein the armrest (300) is L-shaped, and the upper surface of the armrest (300) is provided with a dinner plate groove (320).

5. A folding structure of a dining chair according to claim 4, characterized in that limiting slopes (130) are provided on both sides of the seat plate (100) for limiting the maximum rotation angle of the armrest (300).

6. A folding structure of dining chair according to claim 2, characterized in that a limit groove (140) is provided between the two first mounting portions (110) of the seat plate (100) for limiting the rotation angle of the backrest (200).

7. The folding structure of a dining chair according to claim 6, wherein the front groove wall of the limit groove (140) is provided with a positioning opening (141), the bottom of the rotating part (210) is provided with a positioning block (211), and the positioning block (211) can enter or move out of the positioning opening (141) along with the rotation of the backrest (200).

8. A folding structure of a dining chair according to claim 1, characterized in that the bottom surface of the seat plate (100) is provided with a jack (150) for inserting a support frame.