CN204950222U - Children dining chair - Google Patents

Abstract

<b>The utility model discloses</b><b> a children's dining chair, wherein the dining chair frame includes a front bracket and a rear bracket that are arranged to cross each other, and a sliding piece is pivotally connected to the rear bracket, and the sliding piece can Sliding up and down on the front bracket along the length extension direction of the front bracket, the dining chair frame also includes an armrest bar whose front part is pivotally connected to the upper part of the rear bracket, an Back bar, seat post pivotally attached to the rear bracket at the front and located below the armrest bar, two of the three parts are pivotally connected at the rear of the seat post, the lower part of the back bar, and the upper part of the front bracket , the third member is pivotally connected to at least one of the above two members. When the dining chair frame needs to be folded up, it is only necessary to unlock the locking mechanism, and under the action of the gravity of the backrest rod itself, the dining chair frame can be folded by itself, and all the rods on the folded dining chair frame are closely connected to each other. Together, the structure is very compact and the operation is very convenient. </b>

Description

Children's dining chair

technical field

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

Background technique

Children's dining chairs in the prior art generally include a dining chair frame having an unfolded state and a folded state, a seat mechanism mounted on the dining chair frame, and a locking mechanism for locking the dining chair frame in the unfolded state.

At present, there are various kinds of children's dining chairs on the market, and their structures are also various. Correspondingly, 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 make the folded dining chair smaller while ensuring the normal performance of the dining chair has always been the goal pursued by those skilled in the art.

Contents of the invention

The purpose of the utility model is to provide a children's dining chair with simple structure and convenient folding and unfolding operations.

For achieving the above object, the technical scheme that the utility model adopts 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, and the dining chair frame includes a front bracket and a rear bracket arranged to cross each other , a slider is pivotally connected to the rear bracket, and the slider can be arranged on the front bracket to slide up and down along the length extension direction of the front bracket, and the dining chair frame also includes a front pivot connection The armrest bar on the upper part of the rear bracket, the backrest bar extending in the vertical direction and pivotally connected with the rear part of the armrest bar, the front part pivotally connected to the rear bracket and located below the armrest bar Seat post, two of the three parts of the rear part of the seat post, the lower part of the back bar and the upper part of the front bracket, two of which are pivotally connected, and the third part is connected to the two parts At least one of the components is pivotally connected, and when the dining chair frame is in an unfolded state, a side wall space that can accommodate children to sit and stand is formed between the armrest bar, the backrest bar, the seat post and the rear bracket; When the dining chair frame is folded, the backrest bar and the armrest bar are turned back and close together with the front bracket, the rear bracket and the seat post.

Preferably, a four-bar linkage mechanism is formed between the rear bracket, armrest rod, backrest rod and seat post, and a crank slider mechanism is formed between the rear bracket, front bracket, seat post and the slider.

Preferably, the rear portion of the seat post, the lower portion of the back bar and the upper portion of the front bracket are pivotally connected at the same location.

Preferably, the front portion of the seat post is pivotally connected to the rear bracket by a rotating shaft, and the rotating shaft is located above the slider on the rear bracket.

Preferably, the front bracket includes two front struts respectively located on the left and right sides and extending in the up and down direction, the rear bracket includes two rear struts respectively located on the left and right sides and extending in the up and down direction, and the dining chair frame On each side of the front strut and the rear strut cross each other, the slider is pivotally connected to the rear strut and the slider is arranged on the front strut to slide up and down .

Further, the sliding member is a sliding sleeve slidably sleeved on the front support rod.

Further, the rear bracket also includes a rear push rod extending in the left and right directions between the tops of the rear support rods on both sides, and the front end of the armrest rod is fixedly provided with a connecting piece extending in the up and down direction. The rear ejector rod is arranged at the lower end of the connecting piece so as to rotate around its own axis.

Furthermore, the front bracket also includes a front bottom bar connected between the bottom ends of the front struts on both sides and used to support the ground, and the front bottom bar is integrated with the front struts on both sides. Formed into a U-shaped opening upward; the rear bracket also includes a rear bottom bar connected between the bottom ends of the rear support rods on both sides and used to support the ground, the rear bottom bar, the rear top The rod is integrated with the rear support rods on both sides to form a closed frame shape.

Further, the armrest bar is U-shaped with the opening facing backward, the backrest bar is U-shaped with the opening facing downward, and the rear ends on both sides of the armrest bar are respectively pivotally connected to the left and right sides of the backrest bar. On the side, the seat post is U-shaped with an opening facing forward, and the front parts on both sides of the seat post are respectively pivotally connected to the rear support posts on both sides.

Preferably, the locking mechanism includes a locking member disposed between the slider and the front bracket.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art: the children's dining chair of the utility model only includes the front bracket, the rear bracket, the seat post, the handrail rod and the backrest rod, and the number of rods The structure is very simple, and the dining chair frame has good stability in the unfolded state. When the dining chair frame needs to be folded up, it is only necessary to unlock the locking mechanism, and under the action of the gravity of the backrest rod itself, the dining chair frame can be folded by itself, and all the rods on the folded dining chair frame are closely connected to each other. Together, the structure is very compact, and the folding operation is very convenient.

Description of drawings

Accompanying drawing 1 is the three-dimensional view that the children's dining chair of the present invention is in the unfolded state;

Accompanying drawing 2 is the side view of the children's dining chair of the present utility model in the unfolded state;

Accompanying drawing 3 is the side view of the children's dining chair of the present invention in a half-folded state;

Accompanying drawing 4 is the side view of the children's dining chair of the present utility model in a folded state;

Accompanying drawing 5 is the top view of the children's dining chair of the present invention in a folded state;

Among them: 1. Front support; 11. Front support rod; 12. Front bottom rod; 2. Rear support; 21. Rear support rod; 22. Rear bottom rod; 23. Rear ejector rod; ; 4, armrest bar; 5, back bar; 6, seat post; 7, connector; 8, shaft.

detailed description

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

In the following descriptions about the direction, all are defined by the direction observed when the child sits and stands on the high chair when the high chair is unfolded and used.

Referring to the children's dining chair shown in Fig. 1 to Fig. 5, it includes 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 1 and a rear bracket 2 which are arranged to cross each other, and a slider 3 is pivotally connected to the rear bracket 2, and the slider 3 is arranged on the front bracket 1 to slide up and down along the length extension direction of the front bracket 1. . The dining chair frame also includes an armrest bar 4, a backrest bar 5 and a seat post 6. The armrest bar 4 extends along the front-to-back direction, and its front part is pivotally connected with the upper part of the rear bracket 2. The backrest bar 5 extends along the up-down direction, and the armrest bar The rear portion of the seat post 4 is pivotally connected to the backrest bar 5, the seat post 6 extends in the front-rear direction, the front part of the seat post 6 is pivotally connected to the rear bracket 2 and the seat post 6 is located below the armrest bar 4, and the rear of the seat post 6 Among the three parts, the lower part of the backrest bar 5 and the upper part of the front bracket 1, two parts are pivotally connected, and the third part is pivotally connected with at least one part in the aforementioned two parts. In this way, a four-bar linkage mechanism is formed between the rear support 2, the armrest bar 4, the backrest bar 5 and the seat post 6, and a crank slider mechanism is formed between the rear support 2, the front support 1, the seat post 6 and the slider 3.

Referring to the accompanying drawings, in this embodiment, the three parts, the rear part of the seat post 6, the lower part of the backrest bar 5 and the upper part of the front bracket 1, are pivotally connected at the same place, that is, the three parts can pass through the same shaft. Phase pivot connection. The front portion of the seatpost 6 is pivotally connected to the rear support 2 through a rotating shaft 8 , and the rotating shaft 8 should be located above the slider 3 on the rear support 2 .

Referring to the drawings, specifically, the front bracket 1 includes two front struts 11 respectively located on the left and right sides and extending in the up and down direction, and a front strut connected between the bottom ends of the two front struts 11 and used to support the ground. The bottom bar 12, the front bottom bar 12 and the front struts 11 on both sides are integrally arranged in a U-shape with the opening facing upward. The rear bracket 2 includes two rear struts 21 respectively located on the left and right sides and extending in the vertical direction, a rear push rod 23 located between the tops of the rear struts 21 on both sides and extending in the left and right direction, and a rear push rod 23 located at the bottom of the rear struts 21 on both sides. The rear bottom bar 22 used to support the ground, the rear bottom bar 22, the rear top bar 23 and the rear poles 21 on both sides are integrally arranged so that the rear bracket 2 is in a closed frame shape.

On each side of the dining chair frame, the front strut 11 and the rear strut 21 intersect with each other, the slider 3 is pivotally connected to the rear strut 21 , and the slider 3 is arranged on the front strut 11 to slide up and down. In this embodiment, the sliding member 3 is sleeved on the front strut 11 so as to slide up and down.

Referring to the accompanying drawings, the armrest bar 4 is U-shaped with its opening facing backward, and the backrest bar 5 is U-shaped with its opening facing downward. On the side, the seat post 6 is U-shaped with an opening facing forward, and the front parts on both sides of the seat post 6 are respectively pivotally connected to the rear struts 21 on both sides. The front end of the handrail bar 4 is fixedly provided with a connecting piece 7 extending in the up and down direction, and the rear push rod 23 is rotatably arranged at the lower end of the connecting piece 7 around its own axis, so that the rear support 2 and the handrail bar 4 can be relative rotation.

In this embodiment, the locking mechanism includes a locking piece (not shown in the figure) arranged between the sliding piece 3 and the front bracket 1, that is, the above-mentioned locking pieces are provided between the sliding sleeve 3 and the front support rod 11 on both sides. A piece, the locking piece can be a structure in which the lock pin cooperates with the lock hole. An unlocking mechanism (not shown in the figure) is provided between the locking parts on each side, and the unlocking mechanisms on both sides can be connected by a handle (not shown in the figure), so that when the user lifts the handle The locking parts on both sides can be unlocked at the same time.

Referring to Fig. 1 and Fig. 2, when the children's dining chair is unfolded and used, the dining chair frame is in the unfolded state, the locking mechanism is locked so that the sliding sleeve 3 is fixed relative to the front support rod 11, and the front bracket 1 and the rear bracket 2 are jointly supported on the On the ground, a stable triangular structure is formed between the rear support 2, the front support 1 and the seat post 6, and a quadrilateral structure is formed between the rear support 2, the armrest bar 4, the back bar 5 and the seat post 6, and the arm bar 4, the back bar 5. A side wall space that can accommodate children to sit and stand is formed between the seat post 6 and the rear bracket 2 .

When the children's dining chair needs to be folded, firstly, the operator lifts the handle to unlock the locking parts on both sides, so that the sliding cover 3 can slide up and down relative to the front support rod 11 . At this time, under the action of the backrest bar 5's own gravity, the backrest bar 5 turns backward around the rotating shaft pivotally connected to the armrest bar 4, and the turning of the backrest bar 5 drives the armrest bar 4 to turn backward relative to the rear bracket 2; The lower end of the backrest bar 5 moves upwards to drive the rear part of the seatpost 6 and the upper part of the front bracket 1 to move upwards, so that the front bracket 1 moves upward relative to the sliding sleeve 3, and the front bracket 1 and the rear bracket 2 gradually move closer together along the front and rear directions, and at the same time the seatpost 6 is turned over relative to the rear bracket 2 and gradually moves closer to the rear bracket 2, as shown in FIG. 3 . Finally, the front support 1, the rear support 2, the seat post 6, the armrest post 4, and the back post 6 are all close together, presenting the state shown in Figure 4 and Figure 5, and all the rods on the folded dining chair frame are tightly Close together, the structure is very compact, and the folding operation is very convenient.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (10)

1. A children's dining chair, comprising a dining chair frame having an unfolded state and a folded state, a locking mechanism for locking the dining chair frame in the unfolded state, characterized in that: the dining chair frame includes The front bracket and the rear bracket, the rear bracket is pivotally connected with a slider, and the slider can slide up and down along the length extension direction of the front bracket and is arranged on the front bracket, and the dining chair frame is also It includes an armrest bar whose front part is pivotally connected to the upper part of the rear bracket, a backrest bar extending in the up and down direction and pivotally connected to the rear part of the armrest bar, the front part is pivotally connected to the rear bracket and located The seat post below the armrest bar, the rear of the seat post, the lower part of the backrest bar and the upper part of the front bracket, of which two parts are pivotally connected, and the third part is connected to the At least one of the two parts is pivotally connected, and when the dining chair frame is in the unfolded state, a side for children to sit and stand is formed between the armrest bar, the back bar, the seat post and the rear bracket. Enclosed space; when the dining chair frame is folded, the backrest bar and the armrest bar turn back and move closer together with the front bracket, the rear bracket and the seat post. 2. The children's dining chair according to claim 1, characterized in that: a four-bar linkage mechanism is formed between the rear bracket, the armrest rod, the backrest rod and the seat post, and the rear bracket, the front bracket, the seat post and the A slider crank mechanism is formed between the sliding parts. 3. The children's dining chair according to claim 1, characterized in that: the rear part of the seatpost, the lower part of the backrest bar and the upper part of the front bracket are pivotally connected at the same place. 4. The children's dining chair according to claim 1, wherein the front portion of the seatpost is pivotally connected to the rear bracket by a rotating shaft, and the rotating shaft is located on the sliding member on the rear bracket above. 5. The children's dining chair according to claim 1, wherein the front bracket includes two front struts respectively located on the left and right sides and extending along the up and down direction, and the rear bracket includes two front poles respectively located on the left and right sides and extending along the vertical direction. Two rear struts extending up and down, on each side of the dining chair frame, the front struts and the rear struts intersect each other, the slider is pivotally connected to the rear struts and the The sliding member is arranged on the front support rod to slide up and down. 6. The children's dining chair according to claim 5, wherein the sliding member is a sliding sleeve slidably sleeved on the front support rod. 7. The children's dining chair according to claim 5, characterized in that: the rear support further includes a rear ejector rod located between the tops of the rear support rods on both sides and extending along the left and right directions, and the front end of the armrest rod A connecting piece extending up and down is fixedly provided, and the rear ejector rod is arranged at the lower end of the connecting piece so as to rotate around its own axis. 8. The children's dining chair according to claim 7, characterized in that: the front bracket further includes a front bottom bar connected between the bottom ends of the front support bars on both sides and used for supporting on the ground, the front bottom bar The bottom rod and the front support rods on both sides are integrally formed into a U-shaped opening upward; the rear bracket also includes a rear support rod connected between the bottom ends of the rear support rods on both sides and used to support the ground. The bottom rod, the rear bottom rod, the rear push rod and the rear support rods on both sides are integrated to form a closed frame shape. 9. The children's dining chair according to claim 5, characterized in that: the armrest bar is U-shaped with the opening facing backward, the backrest bar is U-shaped with the opening facing downward, and the two sides of the armrest bar are The rear ends are respectively pivotally connected to the left and right sides of the backrest rod, the seatpost is U-shaped with the opening facing forward, and the front parts on both sides of the seatpost are respectively pivotally connected to the rear parts on both sides. on the pole. 10. The children's dining chair according to any one of claims 1 to 9, characterized in that: the locking mechanism comprises a locking piece arranged between the sliding piece and the front bracket.