CN210018656U - A children's dining chair - 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

A children's dining chair

technical field

The utility model relates to a children's dining chair.

Background technique

In order to facilitate the storage and transportation of children's dining chairs, most of the current children's dining chairs can be folded. At present, there are many kinds of children's dining chairs on the market, and their structures are also varied, and the connection relationship of each rod and the folding principle of the dining chair frame are also different. How to simplify the folding and unfolding operations of the dining chair and at the same time make the folded dining chair smaller under the premise of ensuring the normal use performance of the dining chair has always been a goal pursued by those skilled in the art.

SUMMARY OF THE INVENTION

The purpose of this utility model is to overcome the above-mentioned technical problems and provide a children's dining chair.

In order to achieve the above purpose, the technical solution adopted by the present invention is: a children's dining chair, comprising a dining chair frame having an unfolded state and a folded state, and a locking mechanism for locking the dining chair frame in the unfolded state , the dining chair frame includes: a front bracket, a rear bracket and a backrest frame respectively extending in the up-down direction, the upper part of the front bracket is rotatably connected with the upper part of the rear bracket, and the lower part of the backrest frame is rotatably connected to the The dining chair frame further includes a seat frame extending in the front-rear direction, an armrest frame located above the seat frame, and a strut frame arranged between the armrest frame and the seat frame, so The front part of the seat frame is rotatably connected to the upper part of the front bracket, the rear part of the seat frame is rotatably connected to the backrest frame, and the rear part of the armrest frame is rotatably connected to the backrest frame , the strut frame is rotatably connected between the front part of the armrest frame and the front part of the seat frame.

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

Preferably, the front support includes two front support rods respectively disposed on the left and right sides, the rear support includes two rear support rods respectively disposed on the left and right sides, and the support rod frame includes two left and right support rods respectively. The backrest frame includes two backrest bars respectively arranged on the left and right sides.

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

Further preferably, the front bracket further comprises front support feet arranged on the left and right sides of the lower part of the front connecting rod respectively, and the rear bracket further comprises rear support feet arranged on the left and right sides of the lower part of the rear connecting rod respectively. The front and rear support feet on each side are inclined and extend toward the outside of the dining chair frame from top to bottom, and the dining chair frame is supported on the ground through the front and rear support feet.

Preferably, the seat frame is pivotally connected to the strut frame through a first shaft, the back frame is pivotally connected to the seat frame through a second shaft, and the front bracket is connected to the seat through a third shaft The frame is pivotally connected, and the third shaft is located between the first and second shafts in a direction extending along the length of the seatpost.

Further preferably, a downwardly extending connecting block is fixed on the seat frame, the third shaft is arranged on the connecting block, and the front bracket is pivotally connected to the rear support rod through a fourth shaft, so the The third axis is located below the fourth axis.

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

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 arranged on the seat frame, and the other is fixedly arranged on the front bracket The first locking block is provided with a locking pin that can move relative to it, the second locking block is provided with a locking hole for the locking pin to be inserted into, and the first locking block is also provided with a An elastic member provides an elastic force required for the locking pin to move toward 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, each of the left and right sides of the dining chair frame is provided with the locking mechanism, the two first locking blocks are located between the two second locking blocks, and the two locking pins are connected to each other. There is a pull cord for pulling the locking pin out of the locking hole.

Due to the application of the above-mentioned technical solutions, the present utility model has the following advantages compared with the prior art: the children's dining chair of the present utility model has a simple structure, and the back frame, the armrest frame, the strut frame and the seat frame form a four-bar linkage mechanism. When the child dining chair is folded, it is only necessary to unlock the locking mechanism and turn the backrest bar backwards, and then the brackets can be driven together to realize the folding of the child dining chair. The folded child dining chair has a compact, flat structure and can stand on the ground independently. , easy to store and transport.

Description of drawings

Accompanying drawing 1 is the axonometric view when the children's dining chair of the present invention is in the unfolded state;

2 is an axonometric view at another angle when the children's dining chair of the present invention is in an unfolded state;

3 is a side view of the children's dining chair of the present invention when it is in an unfolded state;

4 is an axonometric view of the children's dining chair of the present invention when it is in a half-folded state;

Accompanying drawing 5 is the enlarged view of Fig. 4 at A;

6 is an axonometric view of the children's dining chair of the present invention when it is in a folded state;

7 is a side view of the children's dining chair of the present invention when it is in a folded state;

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

11. Locking mechanism; 11. First locking block; 111. Locking pin; 112. Elastic piece; 113. Connecting block; 114. Limiting block; 115. Guide hole; 12. Second locking block; Hole; 13. Pull rope; 2. Front support; 21. Footrest; 22. Front support rod; 23. Front connecting rod; 24. Front support foot; 3. Rear support; 31. Rear support rod; 32. Rear connection Rod; 33, rear support feet; 4, backrest frame; 41, backrest rod; 5, strut frame; 51, strut; 52, cross brace; 53, stop; 6, seat frame; 61, seat post; 62, connecting block; 7, armrest frame; 71, armrest bar; 72, dinner plate; 10, first axis; 20, second axis; 30, third axis; 40, fourth axis; 50, fifth axis.

Detailed ways

The technical solutions of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

1 to 8 show a children's dining chair of the present invention, including a dining chair frame with an unfolded state and a folded state, a locking mechanism 1 for locking the dining chair frame in the unfolded state, and the dining chair frame It includes a front bracket 2 , a rear bracket 3 and a backrest frame 4 respectively extending in the up-down direction.

The dining chair frame further includes a seat frame 6 extending in the front-rear direction, an armrest frame 7 located above the seat frame 6 , and a strut frame 5 arranged between the armrest frame 7 and the seat frame 6 . The child can sit on the seat frame 6 and lean back against the backrest frame 4, and the armrest frame 7 and the brace frame 5 can ensure that the child will not fall.

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 backrest frame 4, the rear part of the armrest frame 7 is rotatably connected to the backrest frame 4, and the strut frame It is pivotally connected between the front part of the armrest frame 7 and the front part of the seat frame 6 . Therefore, the back frame 4, the seat frame 6, the strut frame 5, and the armrest frame 7 constitute a four-bar linkage mechanism, and the front frame 2, the rear frame 3, the back frame 4, and the seat frame 6 constitute another four-bar linkage mechanism. The linkage mechanism can realize linkage. When the children's dining chair of the present invention needs to be folded, it is only necessary to unlock the locking mechanism 1 and turn the backrest frame 4 backwards, so as to drive the other brackets together to realize the folding of the children's dining chair.

6 and 7, when the dining chair frame is in the folded state, the upper end of the backrest frame 4 is turned over to the lower part of the children's dining chair, and the height of the dining chair frame is reduced. At this time, the front bracket 2, the rear bracket 3, the backrest frame 4 are supported on the ground. The folded children's dining chair has a compact and flat structure, can stand on the ground independently, and is easy to store.

The front bracket 2 includes two front struts 22 arranged on the left and right sides respectively, the rear bracket 3 includes two rear struts 31 arranged on the left and right sides respectively, and the strut frame 5 includes two rear struts 31 arranged on the left and right sides respectively. The support rod 51, the backrest frame 4 includes two backrest rods 41 respectively arranged on the left and right sides, so the front bracket 2 and the rear bracket 3 are relatively stable for the support of the seat frame 6, and the child can lean on the backrest frame 4 more comfortably, The safety and comfort of the high chair are improved.

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

The front bracket 2 further includes front support feet 24 arranged on the left and right sides of the lower part of the front connecting rod 23, respectively, and the rear bracket 3 also includes rear support feet 33 arranged on the left and right sides of the lower part of the rear connecting rod 32, respectively. Both the 24 and the rear support feet 33 extend obliquely toward the outside of the dining chair frame from top to bottom. The dining chair frame is supported on the ground by the front support feet 24 and the rear support feet 33. As long as the center of the child dining chair falls in the space between the front support feet 24 and the rear support feet 33, the child dining chair will not overturn. Since both the front supporting feet 24 and the rear supporting feet 33 extend outward, the high chair is relatively stable.

Referring to FIG. 3 , the strut frame 5 is pivotally connected to the seat frame 6 through a first shaft 10 , the back frame 4 is pivotally connected to the seat frame 6 through a second shaft 20 , and the front bracket 2 is connected to the seat frame through a third shaft 30 . 6 connection, 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 directly below the seat frame 6, so that the weight borne by the seat frame 6 is reasonably transferred to the front bracket 2 and the rear bracket 3 to prevent the high chair from overturning. The seat frame 6 is fixedly provided with a downwardly extending connecting block 62, the third shaft 30 is arranged on the connecting block 62, the front bracket 2 is pivotally connected with the rear bracket 3 through the fourth shaft 40, and the third shaft 30 is located on the fourth shaft 40 Below, the backrest frame 4 is pivotally connected with the rear bracket 3 through a fifth shaft 50, the fifth shaft 50 is located below the second shaft 20, the second shaft 20, the third shaft 30, the fourth shaft 40, the fifth shaft 50 The formed four-bar linkage is two triangles, so the connection between the seat frame 6 , the front frame 2 , the rear frame 3 and the back frame 4 is relatively stable.

The support frame 5 also includes a transverse strut 52 connected between the upper parts of the two support rods 51. The transverse strut 52 extends in the left-right direction. The middle of the transverse strut 52 is fixedly provided with a stopper 53 extending downward. A footrest 21 extending along the left and right horizontal directions is also arranged between the support rods 22 . The child can extend his legs downward from the left and right sides of the block 53 and step on the footrest 21. The block 53 prevents the child from sliding off the dining chair.

The armrest frame 7 includes two armrest bars 71 and a dinner plate 72 respectively arranged on the left and right sides. The left and right sides of the dinner plate 72 are respectively mounted on the two armrest bars 71. When the dining chair frame is in the unfolded state, the dinner plate 72 is in a horizontal position, which is convenient for children to eat. When the dining chair frame is in a folded state, the dinner plate 72 is in a vertical state, which does not occupy space and is convenient for storage.

5 and 8, the locking mechanism 1 is provided between the seat frame 6 and the front bracket 2, the locking mechanism 1 includes a first locking block 11 and a second locking block 12, the first locking block 11 and the second locking block One of the blocks 12 is fixedly arranged on the seat frame 6 and the other is fixedly arranged on the front bracket 2. The first locking block 11 is provided with a locking pin 111 that can move relative to it, and the second locking block 12 is provided with a locking pin for 111 is matched with the inserted locking hole 121, and the first locking block 11 is also provided with an elastic member 112 for providing the elastic force required for the locking pin 111 to move toward the locking hole 121. When the dining chair frame is in the unfolded state, the locking pin 111 Inserted into the locking hole 121, the first locking block 11 and the second locking block 12 cannot rotate relative to each other, so as to achieve the purpose of locking the dining chair frame. When the locking pin 111 is pulled out from the locking hole 121, the first locking block 11 and the second locking block 12 can rotate relative to each other, 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 under the action of the elastic member 112 , thereby realizing the automatic locking of the locking mechanism 1 . The elastic member 112 may be a spring, a torsion spring, or the like.

Preferably, a locking mechanism 1 is provided on the left and right sides of the dining chair frame, the two first locking blocks 11 are located between the two second locking blocks 12, and the two locking pins 111 are connected with the locking pins 111. The pull cord 13 pulled out from the locking hole 121 . When the pulling rope 13 is pulled, the two locking pins 111 are both released from the locking holes 121, the two locking mechanisms 1 are converted into an unlocked state, and the dining chair frame can be folded.

Referring to FIGS. 4 and 5 , the height of the pull rope 13 is lower than the height of the seat post 6 , so as to prevent the child from accidentally touching the pull rope 13 when sitting on the dining chair, thereby causing a safety hazard.

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

The first locking block 11 is provided with a guide hole 115 for the locking pin 111 to slide. When the locking mechanism 1 is in a locked state, the guide hole 115 is coaxial with the locking hole 121 . The guide hole 115 serves to guide the locking pin 111 to ensure that the locking pin 111 can be accurately inserted into the locking hole 121 . The first locking block 11 also has a limiting block 114. When the connecting block 113 abuts on the limiting block 114, the locking pin 111 is still partially inserted in the guide hole 115. out of the guide hole 115 .

To sum up, the children's dining chair of the present invention has a simple structure. The backrest frame 4, the armrest frame 7, the strut frame 5 and the seat frame 6 form a four-bar linkage mechanism. When the children's dining chair needs to be folded, it is only necessary to unlock and lock it. The mechanism 1 and the backrest frame 4 are turned backwards, so that each bracket can be driven to be close to each other to realize the folding of the children's dining chair. The locking mechanism 1 of the children's dining chair has a simple structure and is easy to operate. The locking pin 111 can be driven out of the locking hole 121 only by pulling the pull rope 13 to realize the unlocking of the children's dining chair in the unfolded state. When the high chair is converted from the folded state to the unfolded state, under the action of the elastic member 112, the locking pin 111 can be inserted into the locking hole 121, so that the high chair frame can be automatically locked without manual operation.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those who are familiar with the technology to understand the content of the present invention and implement accordingly, and cannot limit the protection scope of the present invention with this. All equivalent changes or modifications made according to the spirit of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A children's dining chair, comprising a dining chair frame having an unfolded state and a folded state, and a locking mechanism for locking the dining chair frame in the unfolded state, wherein the dining chair frame comprises: a front bracket, a rear bracket and a backrest frame respectively extending in the up-down direction, the upper part of the front bracket is rotatably connected with the upper part of the rear bracket, and the lower part of the backrest frame is rotatably connected to the rear bracket; The dining chair frame further includes a seat frame extending in the front-rear direction, an armrest frame located above the seat frame, and a strut frame arranged between the armrest frame and the seat frame. The rear part of the seat frame is rotatably connected to the upper part of the front bracket, the rear part of the seat frame is rotatably connected to the backrest frame, the rear part of the armrest frame is rotatably connected to the backrest frame, and the stay A frame is pivotally connected between the front portion of the armrest frame and the front portion of the seat frame. 2 . The children's dining chair according to claim 1 , wherein when the dining chair frame is in a folded state, the backrest frame is turned over to the rear side of the rear bracket, and the armrest frame is folded in the the back side of the backrest frame. 3 . The children's dining chair according to claim 1 , wherein the front support comprises two front support rods respectively arranged on the left and right sides, and the rear support comprises two front support rods respectively arranged on the left and right sides. 4 . There are two rear support rods, the support rod frame includes two support rods respectively arranged on the left and right sides, and the backrest frame includes two backrest rods respectively arranged on the left and right sides. 4. A children's dining chair according to claim 3, wherein the front bracket further comprises a front connecting rod fixedly connected between the lower parts of the two front support rods, the front connecting rod and the two front connecting rods Each of the front struts forms a U-shape with an upward opening; and/or, the rear bracket further includes a rear connecting rod fixedly connected between the lower parts of the two rear struts, the rear connecting rod and the two rear connecting rods The rear strut also forms a U-shape with an upward opening. 5 . The children's dining chair according to claim 4 , wherein the front support further comprises front support feet arranged on the left and right sides of the lower part of the front connecting rod, respectively, and the rear support further comprises respectively arranged front support feet. 6 . The rear support feet on the left and right sides of the lower part of the rear connecting rod, the front support feet and the rear support feet on each side are inclined and extend from top to bottom toward the outside of the dining chair frame, and the dining chair frame passes through The front supporting feet and the rear supporting feet are supported on the ground. 6 . The children's dining chair according to claim 3 , wherein the seat frame is pivotally connected to the strut frame through a first shaft, and the back frame is connected to the seat frame through a second shaft. 7 . The front bracket is pivotally connected to the seat frame by a third axis, the third axis being located between the first axis and the second axis in a direction extending along the length of the seat post. 7 . The children's dining chair according to claim 6 , wherein a downwardly extending connecting block is fixedly arranged on the seat frame, the third shaft is arranged on the connecting block, and the front support A fourth shaft is pivotally connected to the rear support rod, and the third shaft is located below the fourth shaft. 8 . The high chair of claim 1 , wherein the locking mechanism is provided between the seat frame and the front bracket. 9 . 9 . The high chair of claim 1 , wherein the locking mechanism comprises a first locking block and a second locking block, and one of the first locking block and the second locking block is fixedly arranged. 10 . On the seat frame, the other one is fixedly arranged on the front bracket, the first locking block is provided with a locking pin that can move relative to it, and the second locking block is provided with a locking pin for matching the inserted locking hole, the first locking block is further provided with an elastic member for providing the elastic force required for the locking pin to move toward the locking hole, when the dining chair frame is in the unfolded state, The locking pin is inserted into the locking hole. 10 . The children's dining chair according to claim 9 , wherein the left and right sides of the dining chair frame are respectively provided with the locking mechanism, and the two first locking blocks are located on the two first locking blocks. 11 . Between the two locking blocks, a pulling rope for pulling the locking pin out of the locking hole is connected between the two locking pins.

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