CN210018656U - Dining chair for children - Google Patents

Abstract

The utility model discloses a child dinning chair, including having the dining chair frame of expansion state and fold condition, being used for the locking mechanical system under the expansion state with the dining chair frame locking, the dining chair frame includes: the upper part of the front bracket is rotationally connected with the upper part of the rear bracket, and the lower part of the backrest frame is rotationally connected with the rear bracket; the dining chair frame also comprises a seat frame extending along the front-back direction, an armrest frame positioned above the seat frame and a support rod frame arranged between the armrest frame and the seat frame, wherein the front part of the seat frame is rotationally connected with the upper part of the front support, the rear part of the seat frame is rotationally connected with the backrest frame, and the rear part of the armrest frame is rotationally connected with the backrest frame. The utility model discloses a child dining chair simple structure, when this child dining chair is folded to needs, only need unblock locking mechanical system and with the frame upset backward of back, just can drive each support and close together each other, folding child dining chair compact structure, can stand by oneself in ground.

Description

Dining chair for children

Technical Field

The utility model relates to a child dining chair.

Background

In order to facilitate the storage and transportation of the child dining chair, most of the child dining chairs can be folded at present. At present, children dining chairs in the market are various in types and structures, and accordingly the connection relation of all rod pieces and the folding principle of a dining chair frame are different. It is a constant pursuit of those skilled in the art to simplify the folding and unfolding operations of the dining chair and to make the folded dining chair smaller while ensuring the normal use performance of the dining chair.

Disclosure of Invention

The utility model aims to overcome the technical problems and provide a child dining chair.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a child dining chair comprising a chair frame having an unfolded state and a folded state, a locking mechanism for locking the chair frame in the unfolded state, the chair frame comprising: the backrest comprises a front bracket, a rear bracket and a backrest frame which respectively extend along the up-down direction, wherein the upper part of the front bracket is rotationally connected with the upper part of the rear bracket, and the lower part of the backrest frame is rotationally connected to the rear bracket; the dining chair frame still includes the seat frame that extends along the fore-and-aft direction, is located the handrail frame of seat frame top, and locates the handrail frame with vaulting pole frame between the seat frame, the front portion of seat frame is connected with rotating the upper portion of fore-stock, the rear portion of seat frame is connected with rotating on the back frame, the rear portion of handrail frame is connected with rotating on the back frame, the vaulting pole frame is connected with rotating the front portion of handrail frame with between the front portion of seat frame.

Preferably, when the dining chair frame is in a folded state, the backrest frame is overturned to the rear side of the rear support, and the armrest frame is folded at the rear side of the backrest frame.

Preferably, the front support comprises two front support rods respectively arranged at the left side and the right side, the rear support comprises two rear support rods respectively arranged at the left side and the right side, the support rod frame comprises two support rods respectively arranged at the left side and the right side, and the backrest frame comprises two backrest rods respectively arranged at the left side and the right side.

Further preferably, the front bracket further comprises a front connecting rod fixedly connected between the lower parts of the two front supporting rods, and the front connecting rod and the two front supporting rods form a U shape with an upward opening; and/or, the rear bracket further comprises a rear connecting rod fixedly connected between the lower parts of the rear supporting rods, and the rear connecting rod and the rear supporting rods also form a U shape with an upward opening.

Still further preferably, the front bracket further includes front supporting legs respectively disposed at left and right sides of a lower portion of the front connecting rod, the rear bracket further includes rear supporting legs respectively disposed at left and right sides of a lower portion of the rear connecting rod, the front supporting legs and the rear supporting legs of each side are inclined and extended from top to bottom toward an outer side of the dining chair frame, and the dining chair frame is supported on the ground through the front supporting legs and the rear supporting legs.

Preferably, the seat frame is pivotally connected to the strut frame by a first axis, the back frame is pivotally connected to the seat frame by a second axis, the front frame is pivotally connected to the seat frame by a third axis, and the third axis is located between the first axis and the second axis in a direction extending along the length of the seat bar.

Further preferably, a downwardly extending connecting block is fixedly arranged on the seat frame, the third shaft is arranged on the connecting block, the front support is connected with the rear support through a fourth shaft in a pivot mode, and the third shaft is located below the fourth shaft.

Preferably, the locking mechanism is disposed between the seat frame and the front frame.

Preferably, the locking mechanism includes a first locking block and a second locking block, one of the first locking block and the second locking block is fixedly disposed on the seat frame, the other one of the first locking block and the second locking block is fixedly disposed on the front bracket, the first locking block is provided with a locking pin capable of moving relative to the first locking block, the second locking block is provided with a locking hole for the locking pin to be inserted in a matching manner, the first locking block is further provided with an elastic member for providing an elastic force required by the locking pin to move towards the locking hole, and when the dining chair frame is in the unfolded state, the locking pin is inserted into the locking hole.

Further preferably, the two locking mechanisms are respectively arranged on the left side and the right side of the dining chair frame, the two first locking blocks are positioned between the two second locking blocks, and a pull rope for pulling the locking pins out of the locking holes is connected between the two locking pins.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children dining chair simple structure, four-bar linkage is constituteed to back frame, handrail frame, vaulting pole frame and seat frame, when this children dining chair is folded to needs, only need unblock locking mechanical system and with the backward upset of back pole, just can drive each support and close together each other, realize children dining chair's folding, children dining chair compact structure after folding, flat, can stand by oneself in ground, be convenient for accomodate and transport.

Drawings

FIG. 1 is an axial view of the child dining chair in an unfolded state;

FIG. 2 is an axial view of the child dining chair in an unfolded state;

FIG. 3 is a side view of the child dining chair in an unfolded state;

FIG. 4 is an axial view of the child dining chair in a semi-folded state;

FIG. 5 is an enlarged view of FIG. 4 at A;

FIG. 6 is an axial view of the folding child dining chair of the present invention;

FIG. 7 is a side view of the folding child dining chair of the present invention;

FIG. 8 is a cross-sectional view of the locking mechanism;

wherein: 1. a locking mechanism; 11. a first locking block; 111. a locking pin; 112. an elastic member; 113. connecting blocks; 114. a limiting block; 115. a guide hole; 12. a second locking block; 121. a locking hole; 13. pulling a rope; 2. a front bracket; 21. pedaling; 22. a front support rod; 23. a front connecting rod; 24. a front support leg; 3. a rear bracket; 31. a rear support rod; 32. a rear connecting rod; 33. a rear supporting leg; 4. a backrest frame; 41. a back rest rod; 5. a strut frame; 51. a stay bar; 52. a transverse stay bar; 53. a stopper; 6. a seat frame; 61. a seat post; 62. connecting blocks; 7. a handrail frame; 71. a grab rail; 72. a dinner plate; 10. a first shaft; 20. a second shaft; 30. a third axis; 40. a fourth axis; 50. and a fifth shaft.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 8, a child dining chair according to the present invention comprises a chair frame having an unfolded state and a folded state, and a locking mechanism 1 for locking the chair frame in the unfolded state, wherein the chair frame comprises a front frame 2, a rear frame 3 and a back frame 4 extending in up and down directions, respectively, an upper portion of the front frame 2 is rotatably connected to an upper portion of the rear frame 3, and a lower portion of the back frame 4 is rotatably connected to the rear frame 3.

The dining chair frame also comprises a seat frame 6 extending along the front-back direction, an armrest frame 7 positioned above the seat frame 6, and a stay bar frame 5 arranged between the armrest frame 7 and the seat frame 6. The children can sit on the seat frame 6, the backs of the children lean against the backrest frame 4, and the armrest frame 7 and the stay bar frame 5 can ensure that the children cannot fall off.

The front part of the seat frame 6 is rotatably connected to the upper part of the front bracket 2, the rear part of the seat frame 6 is rotatably connected to the back frame 4, the rear part of the handle frame 7 is rotatably connected to the back frame 4, and the stay bar frame 5 is rotatably connected between the front part of the handle frame 7 and the front part of the seat frame 6. Therefore, the backrest frame 4, the seat frame 6, the stay bar frame 5 and the handrail frame 7 form a four-bar mechanism, the front bracket 2, the rear bracket 3, the backrest frame 4 and the seat frame 6 form another four-bar mechanism, and the two four-bar mechanisms can realize linkage. When the child dining chair needs to be folded, the child dining chair can be folded by only unlocking the locking mechanism 1 and turning the backrest frame 4 backwards and driving other supports to be closed together.

Referring to figures 6 and 7, in the folded condition, the upper end of the back frame 4 is turned to the lower part of the child's dining chair, and the height of the chair frame is reduced, so that the front frame 2, the rear frame 3 and the back frame 4 are supported on the ground. The folded child dining chair is compact and flat in structure, can stand on the ground and is convenient to store.

Front carriage 2 includes two front strut 22 that set up respectively in the left and right sides, and rear carriage 3 includes two back strut 31 that set up respectively in the left and right sides, and vaulting pole frame 5 includes two vaulting poles 51 that set up respectively in the left and right sides, and back frame 4 includes two back poles 41 that set up respectively in the left and right sides, therefore front carriage 2 and rear carriage 3 are comparatively firm to the support of seat frame 6, and children can lean on back frame 4 more comfortably, and this children's dining chair's security and travelling comfort all obtain promoting.

In this embodiment, the front frame 2 further includes a front connecting rod 23 fixedly connected between lower portions of the two front support rods 22, and the front connecting rod 23 and the two front support rods 22 form a U shape with an upward opening. The rear bracket 3 further comprises a rear connecting rod 32 fixedly connected between the lower parts of the two rear supporting rods 31, and the rear connecting rod 32 and the two rear supporting rods 31 also form a U shape with an upward opening. The front and rear connection bars 23 and 32 can improve the strength of the front and rear brackets 2 and 3, and the U-shaped front and rear brackets 2 and 3 are also more beautiful.

The front frame 2 further includes front support legs 24 provided at the left and right sides of the lower portion of the front connecting rod 23, respectively, and the rear frame 3 further includes rear support legs 33 provided at the left and right sides of the lower portion of the rear connecting rod 32, respectively, the front support legs 24 and the rear support legs 33 of each side being inclined from the top to the bottom toward the outside of the dining chair frame. The frame is supported on the ground by the front and rear support legs 24, 33. the child dining chair will not topple as long as the center of the child dining chair falls in the space between the front and rear support legs 24, 33. the child dining chair is stable because the front and rear support legs 24, 33 extend to the outside.

Referring to fig. 3, the strut frame 5 is pivotally connected to the seat frame 6 by a first shaft 10, the back frame 4 is pivotally connected to the seat frame 6 by a second shaft 20, the front frame 2 is connected to the seat frame 6 by a third shaft 30, and the third shaft 30 is located between the first shaft 10 and the second shaft 20 in the horizontal direction. The seat frame 6 supports the child, and the third shaft 30 is arranged right below the seat frame 6, so that the weight borne by the seat frame 6 is reasonably transmitted to the front support 2 and the rear support 3, and the child dining chair is prevented from overturning. A connecting block 62 extending downwards is fixedly arranged on the seat frame 6, the third shaft 30 is arranged on the connecting block 62, the front frame 2 is in pivot connection with the rear frame 3 through the fourth shaft 40, the third shaft 30 is positioned below the fourth shaft 40, the back frame 4 is in pivot connection with the rear frame 3 through the fifth shaft 50, the fifth shaft 50 is positioned below the second shaft 20, and the four-bar linkage formed by the second shaft 20, the third shaft 30, the fourth shaft 40 and the fifth shaft 50 is in two triangles, so that the connection among the seat frame 6, the front frame 2, the rear frame 3 and the back frame 4 is stable.

The support frame 5 further comprises a cross brace 52 connected between the upper parts of the two support rods 51, the cross brace 52 extends along the left-right direction, a stop 53 extending downwards is fixedly arranged in the middle of the cross brace 52, and a pedal 21 extending along the left-right horizontal direction is further arranged between the two front support rods 22. The child can extend his legs down from the left and right sides of the stop 53 and step on the pedals 21, the stop 53 acting to prevent the child from sliding down the dining chair.

The armrest frame 7 comprises two armrest rods 71 and a dinner plate 72 which are respectively arranged at the left side and the right side, the left side and the right side of the dinner plate 72 are respectively arranged on the two armrest rods 71, when the dining chair frame is in an unfolding state, the dinner plate 72 is in a horizontal position, so that children can conveniently eat the dinner plate, and when the dining chair frame is in a folding state, the dinner plate 72 is in a vertical state, does not occupy space and is convenient to store.

Referring to fig. 5 and 8, the locking mechanism 1 is disposed between the seat frame 6 and the front frame 2, the locking mechanism 1 includes a first locking block 11 and a second locking block 12, one of the first locking block 11 and the second locking block 12 is fixedly disposed on the seat frame 6, and the other is fixedly disposed on the front frame 2, the first locking block 11 is provided with a locking pin 111 capable of moving relative to the first locking block 11, the second locking block 12 is provided with a locking hole 121 for the locking pin 111 to be inserted, the first locking block 11 is further provided with an elastic member 112 for providing an elastic force required for the locking pin 111 to move towards the locking hole 121, when the dining chair frame is in the unfolded state, the locking pin 111 is inserted into the locking hole 121, and the first locking block 11 and the second locking block 12 cannot rotate relative to each other, thereby achieving the purpose of locking the dining chair frame. When the locking pin 111 is pulled out of the locking hole 121, the first locking piece 11 and the second locking piece 12 can rotate relatively, and the dining chair frame can be converted between the unfolded state and the folded state. When the locking hole 121 is rotated to be coaxial with the locking pin 111, the locking pin 111 is automatically inserted into the locking hole 121 by the elastic member 112, and automatic locking of the locking mechanism 1 is achieved. The elastic member 112 may be a spring, a torsion spring, or the like.

Preferably, the locking mechanism 1 is arranged on both left and right sides of the dining chair frame, the two first locking blocks 11 are arranged between the two second locking blocks 12, and the pull rope 13 for pulling the locking pins 111 out of the locking holes 121 is connected between the two locking pins 111. When the pull rope 13 is pulled, the two locking pins 111 are disengaged from the locking holes 121, the two locking mechanisms 1 are unlocked, and the dining chair frame can be folded.

Referring to figures 4 and 5, the height of the pull cord 13 is lower than the height of the seat post 6 to avoid the child from accidentally touching the pull cord 13 while riding the chair, which could create a safety hazard.

Referring to fig. 8, the first locking piece 11 is rotatably provided with a connecting piece 113, a rotation axis of the connecting piece 113 is perpendicular to an extending direction of the locking hole 121, and the locking pin 111 is provided on the connecting piece 113. In this embodiment, the elastic member 112 is a torsion spring, and a rotation center line of the torsion spring 112 is collinear with a rotation center line of the connecting block 113.

The first lock block 11 is provided with a guide hole 115 through which the lock pin 111 slides, and when the lock mechanism 1 is in a locked state, the guide hole 115 is coaxial with the lock hole 121. The guide hole 115 serves to guide the locking pin 111, ensuring that the locking pin 111 can be correctly inserted into the locking hole 121. The first locking block 11 further has a stop block 114, when the connecting block 113 abuts against the stop block 114, the locking pin 111 is still partially inserted into the guide hole 115, and the stop block 114 can prevent the locking pin 111 from being disengaged from the guide hole 115.

To sum up, the utility model discloses a children dining chair simple structure, four-bar linkage is constituteed to back frame 4, handrail frame 7, vaulting pole frame 5 and seat frame 6, when this children dining chair is folded to needs, only need unblock locking mechanical system 1 and with the back frame 4 backward upset, just can drive each support and close together each other, realize children dining chair's folding, children dining chair compact structure after folding, flat can stand by oneself in ground, convenient to accomodate. The locking mechanism 1 of the child dining chair is simple in structure and convenient to operate, and the locking pins 111 can be driven to be disengaged from the locking holes 121 only by pulling the pull ropes 13, so that the child dining chair is unlocked in the unfolding state. When the child dining chair is converted from the folded state to the unfolded state, the locking pins 111 can be inserted into the locking holes 121 under the action of the elastic members 112, so that the dining chair frame can be automatically locked without manual operation.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A child dining chair comprising a frame having an unfolded state and a folded state, a locking mechanism for locking the frame in the unfolded state, characterized in that: the dining chair frame includes:

the backrest comprises a front bracket, a rear bracket and a backrest frame which respectively extend along the up-down direction, wherein the upper part of the front bracket is rotationally connected with the upper part of the rear bracket, and the lower part of the backrest frame is rotationally connected to the rear bracket;

the dining chair frame still includes the seat frame that extends along the fore-and-aft direction, is located the handrail frame of seat frame top, and locates the handrail frame with vaulting pole frame between the seat frame, the front portion of seat frame is connected with rotating the upper portion of fore-stock, the rear portion of seat frame is connected with rotating on the back frame, the rear portion of handrail frame is connected with rotating on the back frame, the vaulting pole frame is connected with rotating the front portion of handrail frame with between the front portion of seat frame.

2. A child dining chair as claimed in claim 1, wherein: when the dining chair frame is in a folded state, the backrest frame is overturned to the rear side of the rear support, and the armrest frame is furled in the rear side of the backrest frame.

3. A child dining chair as claimed in claim 1, wherein: the front support comprises two front supporting rods respectively arranged on the left side and the right side, the rear support comprises two rear supporting rods respectively arranged on the left side and the right side, the supporting rod support comprises two supporting rods respectively arranged on the left side and the right side, and the backrest support comprises two backrest rods respectively arranged on the left side and the right side.

4. A child dining chair as claimed in claim 3, wherein: the front support also comprises a front connecting rod fixedly connected between the lower parts of the two front supporting rods, and the front connecting rod and the two front supporting rods form a U shape with an upward opening; and/or, the rear bracket further comprises a rear connecting rod fixedly connected between the lower parts of the rear supporting rods, and the rear connecting rod and the rear supporting rods also form a U shape with an upward opening.

5. A child dining chair as claimed in claim 4, wherein: the front support is characterized by further comprising front supporting legs arranged on the left side and the right side of the lower portion of the front connecting rod respectively, the rear support is further arranged on the rear supporting legs arranged on the left side and the right side of the lower portion of the rear connecting rod respectively, each side of the front supporting legs and the rear supporting legs extend towards the outer side of the dining chair frame in an inclined mode from top to bottom, and the dining chair frame is supported on the ground through the front supporting legs and the rear supporting legs.

6. A child dining chair as claimed in claim 3, wherein: the seat frame is connected with the supporting rod frame through a first shaft, the backrest frame is connected with the seat frame through a second shaft, the front frame is connected with the seat frame through a third shaft, and the third shaft is located between the first shaft and the second shaft in the direction extending along the length of the seat rod.

7. A child dining chair as claimed in claim 6, wherein: the last fixed downwardly extending connecting block that is provided with of seat frame, the third axle sets up on the connecting block, the fore-stock pass through the fourth axle with the rear strut pivot is connected, the third axle is located the below of fourth axle.

8. A child dining chair as claimed in claim 1, wherein: the locking mechanism is disposed between the seat frame and the front frame.

9. A child dining chair as claimed in claim 1, wherein: the locking mechanism comprises a first locking block and a second locking block, one of the first locking block and the second locking block is fixedly arranged on the seat frame, the other one of the first locking block and the second locking block is fixedly arranged on the front support, a locking pin capable of moving relative to the first locking block is arranged on the first locking block, a locking hole for the locking pin to be inserted in a matched mode is formed in the second locking block, an elastic piece used for providing elastic force required by the locking pin to move towards the locking hole is further arranged on the first locking block, and when the dining chair frame is in the unfolded state, the locking pin is inserted into the locking hole.

10. A child dining chair as claimed in claim 9, wherein: the left side and the right side of the dining chair frame are respectively provided with one locking mechanism, the two first locking blocks are positioned between the two second locking blocks, and a pull rope used for pulling the locking pins out of the locking holes is connected between the two locking pins.

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