CN213075171U - Children dining chair - Google Patents

Abstract

The utility model discloses a child dining chair, which comprises a seat, a backrest connected on the seat, and a plurality of supporting legs connected below the seat, wherein the upper part of each supporting leg is rotatably connected with the bottom of the seat, and the rotating axis between each supporting leg and the seat is arranged at an included angle with the vertical direction and the horizontal plane; in the second working state, the supporting legs are folded at the bottom of the seat, and the bottom of the seat is used as a supporting part of the child dining chair. The child dining chair can be used as a dining chair in a first working state, and the supporting legs are folded under the seat in a second working state to be used as a height-increasing seat; the whole dining chair is foldable when not in use, convenient to operate, portable and strong in practicability.

Description

Children dining chair

Technical Field

The utility model relates to a child dining chair, which belongs to children articles.

Background

A child's dining chair is a relatively common infant product and includes a seat and a support member located beneath the seat. In order to increase the practicability of the child dining chair, the child dining chair is designed into a structure of a seat and a support frame, the seat and the support frame can be separated, when the seat and the support frame are connected together, the seat can be used as the dining chair, and when the seat and the support frame are separated, the seat can be independently used as an elevating seat. However, when the child dining chair with the structure is used alone, the supporting frame still occupies a large space and is inconvenient to store. The other child dining chair has the structure that: comprises a seat and a supporting leg connected below the seat. The child dining chair with the structure has the advantages of single use mode, incapability of being used as a heightening seat and poor practicability.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a dining chair for children.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a child dining chair comprises a seat, a backrest connected to the seat, and a plurality of support legs connected to the lower part of the seat, wherein the upper part of each support leg is rotatably connected with the bottom of the seat, the rotating axis between each support leg and the seat is arranged at an included angle with the vertical direction and the horizontal plane,

the child dining chair has at least two working states, when the child dining chair is in a first working state, the plurality of supporting legs are unfolded relative to the seat, and the plurality of supporting legs are used as supporting parts of the child dining chair and are supported below the seat; when the child dining chair is in the second working state, the plurality of supporting legs are folded at the bottom of the seat, and the bottom of the seat is used as a supporting part of the child dining chair.

Furthermore, the projection of the rotation axis between each supporting leg and the seat on the horizontal plane and the left-right direction and the front-back direction are arranged at included angles, and the left-right direction and the front-back direction are perpendicular to each other.

Further, projections of rotation axes between the plurality of support legs and the seat on a horizontal plane are arranged in parallel.

Further, when the child dining chair is in the second working state, the plurality of support legs extend in a horizontal plane and are arranged in parallel.

Furthermore, each supporting leg comprises an upper supporting rod and a lower supporting rod, wherein the upper end of the upper supporting rod is connected with the bottom of the seat, and the lower supporting rod is telescopically inserted into the upper supporting rod from the lower end of the upper supporting rod.

Furthermore, the backrest is rotatably connected with the seat, the child dining chair further comprises a first connecting rod and a second connecting rod, the first connecting rod is used for connecting the tray, the rear portion of the first connecting rod is rotatably connected with the backrest, the upper portion of the second connecting rod is rotatably connected with the first connecting rod, the lower portion of the second connecting rod is rotatably connected with the seat, the backrest is provided with an opening position and a folding position, when the backrest is located at the opening position, the backrest, the first connecting rod and the second connecting rod are unfolded relative to the seat, and when the backrest is located at the folding position, the backrest, the first connecting rod and the second connecting rod are all closed to the seat.

Further, the tray is detachably coupled to the first link.

Furthermore, the seat comprises an upper seat and a lower seat which can be mutually connected in a vertically moving mode, the supporting legs are connected to the bottom of the lower seat, the backrest is connected to the upper seat, and a lifting adjusting mechanism is connected between the upper seat and the lower seat.

Further, when the child dining chair is in the first working state, the seat has two states that the lower seat extends out of the bottom of the upper seat and the lower seat is retracted into the bottom of the upper seat; when the child dining chair is in the second working state, the seat has two states that the lower seat extends out of the bottom of the upper seat and the lower seat is retracted into the bottom of the upper seat.

Furthermore, the lifting adjusting mechanism comprises a third connecting rod and a fourth connecting rod which are arranged in a crossed mode and are mutually and rotatably connected, one end of the third connecting rod is rotatably connected with one of the upper seat and the lower seat, the other end of the third connecting rod is rotatably and movably connected with the other of the upper seat and the lower seat, one end of the fourth connecting rod is rotatably connected with one of the upper seat and the lower seat, and the other end of the fourth connecting rod is rotatably and movably connected with the other of the upper seat and the lower seat.

Furthermore, the lifting adjusting mechanism also comprises a locking mechanism arranged between the lower seat and the third connecting rod, the locking mechanism comprises a first lock hole arranged on the lower seat, at least two second lock holes arranged on the third connecting rod, a locking piece movably arranged on the lower seat and detachably connected with the first lock hole and the second lock hole, a fifth connecting rod with one end rotatably connected with the locking piece, and an operating piece rotatably arranged on the lower seat and rotatably connected with the other end of the fifth connecting rod.

Furthermore, the middle part of the operating part is rotatably connected to the lower seat, one end of the operating part is connected with the fifth connecting rod, the other end of the operating part is used as an operating part and extends out of the lower seat, and the upper seat is provided with a avoiding groove corresponding to the operating part in position.

By adopting the technical scheme, the child dining chair can be used as a dining chair in the first working state, and the supporting legs are folded under the seat in the second working state and can be used as a height-increasing seat; the whole dining chair is foldable when not in use, convenient to operate, portable and strong in practicability.

Drawings

FIG. 1 is a schematic view of a child's dining chair in a first operating position in which the legs are extended, the back is open and the seat is at a top-end position according to an embodiment of the present invention;

FIG. 2 is a side view of the child dining chair shown in FIG. 1;

FIG. 3 is another schematic view of the child dining chair of FIG. 1 in a first operating position in which the support legs are shortened, the backrest is open and the seat is at a top-grade;

FIG. 4 is a side view of the child dining chair shown in FIG. 3;

FIG. 5 is another schematic view of the child dining chair of FIG. 1 in a first operating position in which the legs are shortened, the back is open and the seat is in a lower position;

FIG. 6 is a side view of the child dining chair shown in FIG. 5;

figure 7 is a schematic structural view of the child dining chair of figure 1, mainly illustrating the structure of the backrest in a folded state;

FIG. 8 is a side view of the child dining chair of FIG. 7;

FIG. 9 is a schematic structural view of the child dining chair shown in FIG. 1, illustrating the folding of the support legs;

FIG. 10 is a schematic bottom view of the child dining chair of FIG. 9;

FIG. 11 is a side view of the child dining chair of FIG. 9;

FIG. 12 is a bottom view of the folded child dining chair leg shown in FIG. 1;

FIG. 13 is a side elevational view of the child dining chair of FIG. 12 shown fully folded;

figure 14 is a schematic view of the child dining chair of figure 1 in a second operating configuration in which the backrest is open and the seat is in the lower position;

FIG. 15 is a schematic bottom view of the child dining chair of FIG. 14;

FIG. 16 is a cross-sectional view of the child dining chair of FIG. 1, showing the seat lift adjustment mechanism in a high-end position;

FIG. 17 is another cross-sectional view of the child dining chair of FIG. 1, showing the seat in a low position and the lift adjustment mechanism;

FIG. 18 is another cross-sectional view of the child dining chair of FIG. 1, showing primarily the locking mechanism in a locked position;

figure 19 is another cross-sectional view of the child dining chair of figure 1, primarily illustrating the locking mechanism in an unlocked position;

fig. 20 is a schematic structural view showing the elevation adjusting mechanism and the locking mechanism.

The reference numbers in the figures are:

1. a seat; 11. a lower seat; 111. a lower limiting groove; 112. a first lock hole; 113. a guide groove; 12. an upper seat; 121. a joint; 122. an avoidance groove; 123. an upper limiting groove; 124. a second lock hole; 2. supporting legs; 21. an upper support rod; 22. a lower support rod; 3. a backrest; 31. a first link; 32. a second link; 4. a tray; 5. a third link; 6. a fourth link; 7. a locking member; 8. a fifth link; 9. an operating member.

Detailed Description

The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, enables those skilled in the art to more readily understand the advantages and features of the invention.

Referring to fig. 1 to 20, the child dining chair of the present embodiment includes a seat 1, a backrest 3 connected to the seat 1, and a plurality of support legs 2 connected to the lower part of the seat 1, wherein the upper part of each support leg 2 is rotatably connected to the lower part of the seat 1. The child dining chair has at least two working states, when in a first working state, a plurality of supporting legs 2 are unfolded relative to the seat 1, and a plurality of supporting legs 2 are used as supporting parts of the child dining chair and supported below the seat 1; when the child dining chair is in the second working state, the plurality of support legs 2 are folded at the bottom of the seat 1, and the bottom of the seat 1 is used as a support part of the child dining chair.

The rotation axis between each support leg 2 and the seat 1 is arranged at an angle to the vertical and the horizontal plane, specifically, referring to fig. 10, the projection of the rotation axis on the horizontal plane is arranged at an angle to the left and right directions and the front and rear directions, and the projections of the rotation axes between the plurality of support legs 2 and the seat 1 on the horizontal plane are arranged in parallel. When the child dining chair is switched from the first working state to the second working state, each supporting leg 2 rotates around the respective rotation axis to be folded towards the seat 1. When the child dining chair is in the second working state, the plurality of supporting legs 2 are obliquely folded at the bottom of the seat 1, specifically, the supporting legs 2 extend on the horizontal plane and form included angles with the left-right direction and the front-back direction, and the left-right direction and the front-back direction are mutually perpendicular. Preferably, as shown in fig. 12, the plurality of support legs 2 are arranged in parallel after being folded.

Preferably, the bottom of the seat 1 is provided with a receiving cavity (not shown in the drawings) in which the plurality of legs 2 are folded when the child dining chair is in the second working state.

The support legs 2 in this embodiment are of a telescopic structure, and specifically, each support leg 2 includes an upper support rod 21 having an upper end connected to the bottom of the seat 1, and a lower support rod 22 telescopically inserted into the upper support rod 21 from a lower end of the upper support rod 21. When the child dining chair is in the first working state, the height of the child dining chair can be adjusted through the telescopic supporting legs 2. When the child dining chair is in the second working condition, the lower support bar 22 is retracted relative to the upper support bar 21, and the shortened support leg 2 is folded in the receiving cavity.

In this embodiment, the backrest 3 is rotatably connected to the seat 1, so that the backrest 3 can be folded with respect to the seat 1, and the child dining chair can be folded for storage when not in use, and has a smaller volume after being folded, thereby reducing the occupation of space.

In a more preferred embodiment, the child dining chair further comprises a first link 31 for connecting the tray 4, and a second link 32 connected between the first link 31 and the seat 1. Specifically, the lower portion of the backrest 3 is pivotally connected to the seat 1 at a, the rear portion of the first link 31 is pivotally connected to the backrest 3 at b, the upper portion of the second link 32 is pivotally connected to the first link 31 at c, and the lower portion of the second link 32 is pivotally connected to the seat 1 at d, a, b, c, d being shown in fig. 2. The backrest 3 has an open position and a folded position, and when the backrest 3 is in the open position, the backrest 3 and the first and second links 31, 32 are unfolded with respect to the seat 1, and when the backrest 3 is in the folded position, the backrest 3, the first and second links 31, 32 are folded together on the seat 1. The above-mentioned tray 4 is detachably attached to the first link 31. Two first connecting rods 31 and two second connecting rods 32 are respectively arranged at the left side and the right side of the child dining chair.

When the backrest 3 is folded, the tray 4 is removed, and then the backrest 3 is rotated forward and downward to be close to the seat 1, and the first link 31 is brought together to be close to the seat 1. When the backrest 3 is opened, the backrest 3 is rotated backwards and upwards to be opened relative to the seat 1, the first connecting rod 31 is driven to be away from the seat 1, and after the backrest 3 and the first connecting rod 31 are opened, the dinner plate 4 can be installed on the first connecting rod 31 for use. The folding and unfolding operation of the backrest 3 can be performed regardless of whether the child dining chair is in the first working state or the second working state.

In this embodiment, the seat 1 is provided with a projecting joint 121, and the above-mentioned rotational connection a is located on the joint 121. Through setting up joint 121, make back 3 folding back, seat 1 and back 3 whole shape are more square, are convenient for accomodate, and the appearance is pleasing to the eye.

In a more preferred embodiment, the seat 1 includes an upper seat 12 and a lower seat 11 which are connected to each other to be movable up and down, the support legs 2 are connected to the bottom of the lower seat 11, the backrest 3 and the second link 32 are connected to the upper seat 12, and the joint 121 is also provided on the upper seat 12. The height of the child dining chair can be adjusted by the relative movement between the upper seat 12 and the lower seat 11 no matter the child dining chair is in the first working state or the second working state. Specifically, when the child dining chair is in the first working state, the seat 1 has two states, namely, the lower seat 11 extends out of the bottom of the upper seat 12 and the lower seat 11 is retracted into the bottom of the upper seat 12; when the child dining chair is in the second working position, the seat 1 has two states, namely, the lower seat 11 extends out of the bottom of the upper seat 12 and the lower seat 11 is retracted into the bottom of the upper seat 12.

A lifting adjusting mechanism is connected between the upper seat 12 and the lower seat 11. Preferably, the two sets of lifting adjusting mechanisms are symmetrically arranged at the left and right sides of the child dining chair. Specifically, referring to fig. 16 to 20, each of the lift adjusting mechanisms includes a third link 5 and a fourth link 6 arranged to intersect with each other, and the third link 5 and the fourth link 6 are rotatably connected at i. The third link 5 is pivotally connected at its upper end to the upper seat 12 at e, pivotally and movably connected at its lower end to the lower seat 11 at f, and the fourth link 6 is pivotally connected at its lower end to the lower seat 11 at g and pivotally and movably connected at its upper end to the upper seat 12 at h, said e, f, g, h, i being shown in fig. 16. More specifically, the lower seat 11 and the upper seat 12 are respectively provided with a lower limit groove 111 and an upper limit groove 123, and a rotation shaft of a lower end of the third link 5 and a rotation shaft of an upper end of the fourth link 6 are movably disposed in the lower limit groove 111 and the upper limit groove 123, respectively.

The lifting adjustment mechanism further includes a locking mechanism provided between the lower seat 11 and the third link 5, and the relative position between the lower seat 11 and the third link 5 is locked by the locking mechanism, thereby fixing the relative position between the upper seat 12 and the lower seat 11.

The locking mechanism comprises a first locking hole 112 arranged on the lower seat 11, at least two second locking holes 124 arranged on the third connecting rod 5, a locking piece 7 movably arranged on the lower seat 11 and detachably connected with the first locking hole 112 and the second locking holes 124, a fifth connecting rod 8 with one end rotatably connected with the locking piece 7, and an operating piece 9 rotatably arranged on the lower seat 11 and rotatably connected with the other end of the fifth connecting rod 8. Specifically, as shown in fig. 19, a guide groove 113 is provided on the lower seat 11, the locking member 7 is movably disposed in the guide groove 113, two ends of the fifth link 8 are respectively at k and l and are rotatably connected with one end of the locking member 7 and one end of the operating member 9, a middle portion of the operating member 9 is rotatably connected to the lower seat 11, the switching point is at m, the operating member 9 is bent, the other end of the operating member 9 serves as an operating end and extends out of the lower seat 11, and an avoiding groove 122 corresponding to the operating member 9 is formed in the upper seat 12, and when the upper seat 12 and the lower seat 11 move relatively, the operating member 9 can move up and down in the avoiding groove 122 along with the lower seat 11.

When the lock mechanism is locked, the locking member 7 is simultaneously connected to the first lock hole 112 and one of the second lock holes 124, and when the lock mechanism is unlocked, the locking member 7 is disengaged from the first lock hole 112 and the one of the second lock holes 124. When the upper seat 12 is at different heights relative to the lower seat 11, the locking member 7 is connected with different second locking holes 124, the seat 1 in this embodiment has two high and low gears, and accordingly, the second locking holes 124 are provided in two. When the seat height gear needs to be adjusted, the operating ends of the two operating parts 9 are respectively rotated outwards in the left-right direction, the operating parts 9 drive the locking parts 7 to move through the fifth connecting rod 8 so as to be separated from the lower seat 11 and the first locking hole 112 and the second locking hole 124 on the third connecting rod 5, so that the third connecting rod 5 can be rotated, further the upper seat 12 and the lower seat 11 can be relatively moved, when the upper seat 12 and the lower seat 11 are moved to the corresponding relative positions, the operating ends of the two operating parts 9 are respectively rotated inwards in the left-right direction so as to drive the locking parts 7 to move to be connected with the first locking part 112 and the corresponding second locking part 124, and further the relative positions between the upper seat 12 and the lower seat 11 are locked.

In the first working state of the child dining chair of the embodiment, the supporting legs 2 are opened relative to the seat 1, and can be used as the dining chair, and in the second working state, the supporting legs 2 are folded under the seat 1, and can be used as the heightening seat. When the chair is not in use, legs 2 can be folded under seat 1, and back 3 can be folded over seat 1 by turning it to the folded position, and seat 1 can be lowered to the low position, so that the chair is fully folded, as shown in figure 13.

The child dining chair in this embodiment has multiple functions, is foldable, convenient to operate, portable and strong in practicability.

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 (11)

1. A child's dining chair comprising a seat (1), a backrest (3) attached to said seat (1), a plurality of support legs (2) attached below said seat (1), characterized in that: the upper part of each supporting leg (2) is rotatably connected with the bottom of the seat (1), the rotating axis between each supporting leg (2) and the seat (1) forms an included angle with the vertical direction and the horizontal plane,

the child dining chair has at least two working states, when the child dining chair is in a first working state, the supporting legs (2) are unfolded relative to the seat (1), and the supporting legs (2) are used as supporting parts of the child dining chair and supported below the seat (1); when the child dining chair is in the second working state, the supporting legs (2) are folded at the bottom of the seat (1), and the bottom of the seat (1) is used as a supporting part of the child dining chair.

2. A child dining chair according to claim 1, wherein: every supporting leg (2) with the projection of axis of rotation between seat (1) on the horizontal plane all is the contained angle setting with left and right direction and fore-and-aft direction, left and right direction and fore-and-aft direction mutually perpendicular.

3. A child dining chair according to claim 1, wherein: the projections of the rotation axes between the plurality of support legs (2) and the seat (1) on the horizontal plane are arranged in parallel.

4. A child dining chair according to claim 1, wherein: when the child dining chair is in the second working state, the plurality of supporting legs (2) extend in the horizontal plane and are arranged in parallel.

5. A child dining chair according to claim 1, wherein: each supporting leg (2) comprises an upper supporting rod (21) with the upper end connected with the bottom of the seat (1) and a lower supporting rod (22) with the lower end of the upper supporting rod (21) capable of being telescopically inserted into the upper supporting rod (21).

6. A child dining chair according to claim 1, wherein: backrest (3) with seat (1) rotates mutually to be connected, children's dining chair still including be used for connecting tray (4) and rear portion with first connecting rod (31), upper portion that backrest (3) rotated mutually to be connected with first connecting rod (31) rotate mutually to be connected and the lower part with second connecting rod (32) that seat (1) rotated mutually to be connected, backrest (3) have open position and folding position, work as when backrest (3) are in open position, backrest (3) and first connecting rod (31) and second connecting rod (32) are relative seat (1) expandes, works as when backrest (3) are in folding position, backrest (3), first connecting rod (31), second connecting rod (32) all draw close on seat (1).

7. A child dining chair according to claim 1, wherein: seat (1) is including last seat (12) and lower seat (11) that can reciprocate each other to connect, supporting leg (2) are connected the bottom of lower seat (11), back (3) are connected on last seat (12), be connected with lift adjustment mechanism between last seat (12) and lower seat (11).

8. The child dining chair according to claim 7, wherein: when the child dining chair is in a first working state, the seat (1) has two states that the lower seat (11) extends out of the bottom of the upper seat (12) and the lower seat (11) is retracted into the bottom of the upper seat (12); when the child dining chair is in the second working state, the seat (1) has two states that the lower seat (11) extends out of the bottom of the upper seat (12) and the lower seat (11) is retracted into the bottom of the upper seat (12).

9. The child dining chair according to claim 7, wherein: the lifting adjusting mechanism comprises a third connecting rod (5) and a fourth connecting rod (6) which are arranged in a crossed mode and connected in a rotating mode, one end of the third connecting rod (5) is connected with one of the upper seat (12) and the lower seat (11) in a rotating mode, the other end of the third connecting rod (5) is connected with the other of the upper seat (12) and the lower seat (11) in a rotating mode and capable of rotating and moving, one end of the fourth connecting rod (6) is connected with one of the upper seat (12) and the lower seat (11) in a rotating mode, and the other end of the fourth connecting rod (6) is connected with the other of the upper seat (12) and the lower seat (11) in a rotating mode and capable of rotating and moving.

10. A child dining chair according to claim 9, wherein: the lifting adjusting mechanism further comprises a locking mechanism arranged between the lower seat (11) and the third connecting rod (5), the locking mechanism comprises a first lock hole (112) arranged on the lower seat (11), at least two second lock holes (124) arranged on the third connecting rod (5), a locking piece (7) movably arranged on the lower seat (11) and detachably connected with the first lock hole (112) and the second lock hole (124), a fifth connecting rod (8) with one end rotatably connected with the locking piece (7), and an operating piece (9) rotatably arranged on the lower seat (11) and rotatably connected with the other end of the fifth connecting rod (8), when the locking mechanism is locked, the locking piece (7) is simultaneously connected with the first lock hole (112) and one second lock hole (124), when the locking mechanism is unlocked, the locking member (7) is disengaged from the first locking hole (112) and the one second locking hole (124).

11. A child dining chair as claimed in claim 10, wherein: the middle part of operating parts (9) is rotated and is connected on lower seat (11), the one end of operating parts (9) with fifth connecting rod (8) are connected, the other end of operating parts (9) stretches out as the operating part lower seat (11), seted up on upper seat (12) with operating parts (9) position is corresponding dodge groove (122).

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