CN217285270U

CN217285270U - Supporting structure of child dining chair and child dining chair

Info

Publication number: CN217285270U
Application number: CN202122885078.4U
Authority: CN
Inventors: 米进城; 马聪泉; 赵国松
Original assignee: Shaoxing Shangyu Rixing Hardware Products Co Ltd
Current assignee: Shaoxing Shangyu Rixing Hardware Products Co Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-08-26
Anticipated expiration: 2031-11-23

Abstract

The application discloses a supporting structure of a child dining chair and the child dining chair, wherein the supporting structure comprises two supporting feet, each supporting foot is provided with a top and a bottom which are opposite, the tops of the two supporting feet are mutually connected in a close mode, one of the two supporting feet is a first supporting foot, a relevant joint seat is fixed at the top of the first supporting foot, an installation chamber is arranged inside the joint seat, and an opening communicated with the installation chamber is formed in the bottom of the joint seat; the other one of the two supporting legs is a second supporting leg, the top of the second supporting leg extends into the mounting chamber through the opening and is rotatably mounted around a rotating axis, and the rotating axis and the top of the first supporting leg are arranged in a staggered mode in the extending direction. The top of the joint seat is smooth and seamless, the hand clamping condition is avoided, and the appearance is simpler. Simultaneously the axis of rotation with the top extending direction dislocation arrangement of first supporting legs for under most postures when children take, the focus falls into the within range of two supporting legs, and children's dining chair is difficult for empting, and safety in utilization is higher.

Description

Supporting structure of child dining chair and child dining chair

Technical Field

The application relates to the technical field of children products, in particular to a supporting structure of a child dining chair with better structural stability and the child dining chair.

Background

The child dining chair is mainly used for infants or children to take, and parents can more conveniently feed.

For example, chinese patent publication No. CN 103767396B discloses a folding high chair, in which a front leg frame and a rear leg frame are hinged to each other at a point and form a closed triangular area with the ground, and the hinged point is not higher than the armrests on both sides of the seat in the height direction, so that if a child shakes vigorously, the center of gravity is likely to deviate from the triangular area, and the chair is likely to topple over, thereby causing a safety accident.

SUMMERY OF THE UTILITY MODEL

The application provides a supporting structure of children's dining chair, the safety in utilization is higher.

The supporting structure of the child dining chair comprises two supporting feet, wherein each supporting foot is provided with a top and a bottom which are opposite, the tops of the two supporting feet are mutually connected in a close mode, one of the two supporting feet is a first supporting foot, a relevant joint seat is fixed at the top of the first supporting foot, an installation chamber is formed in the joint seat, and an opening communicated with the installation chamber is formed in the bottom of the joint seat;

the other one of two supporting legs is the second supporting legs, the top via of second supporting legs open the mouth and stretch into in the installation chamber, and the installation is rotated to a rotation axis, the rotation axis with the top extending direction dislocation arrangement of first supporting leg.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative may be combined individually for the above general solution or between several alternatives without technical or logical contradictions.

Optionally, the two supporting legs have a front-back direction opposite to each other, a slot is formed in one side of the joint seat along the front-back direction, and the installation chamber is formed in the other side of the joint seat;

the notch of slot is downward, the top of first supporting leg stretches into the slot and fixed connection.

Optionally, a connecting sleeve extends downwards from the slot opening of the slot, and a plurality of rotation stopping ribs acting on the periphery of the first supporting leg are distributed in the connecting sleeve.

Optionally, the top wall of the installation chamber is of an integral structure;

the front side and the rear side of the top surface of the joint seat extend downwards in a transition mode through smooth cambered surfaces.

Optionally, a support seat is fixed in the mounting chamber, and the top of the second support leg is rotatably mounted to the support seat;

and the supporting seat and the top of the second supporting leg are mutually overlapped along the direction of the rotating axis of the second supporting leg.

Optionally, the supporting seat is attached to and limited by the inner wall of the installation chamber, and the supporting seat is fixed to the chamber wall of the installation chamber through a fastener.

Optionally, the top of the second supporting leg is in a disk shape, and a rotating shaft is fixed at the central part of the disk shape; and a shaft sleeve for receiving the rotating shaft is arranged at the corresponding position of the supporting seat.

Optionally, a pin rod is fixedly inserted between two opposite side walls of the mounting chamber, the rotating shaft is a hollow shaft, and the pin rod penetrates through the rotating shaft and the shaft sleeve along the rotation axis of the second supporting leg.

The present application further provides a child dining chair, comprising any one of the child dining chair support structure and seat described above, wherein the two sides of the seat are provided with a base for movably mounting the first support leg.

Optionally, an adjusting mechanism is arranged between the base and the first supporting leg;

the adjustment mechanism includes:

a locking pin slidably mounted on the base;

the locking grooves are arranged at intervals along the length direction of the first supporting leg;

the elastic piece is arranged in the base and acts on the locking pin to stretch into the locking groove.

The top of first supporting legs and the axis of rotation of second supporting legs are kept away from each other among the supporting structure of children's seat of this application for children also can be in the within range that two supporting legs circled basically when taking to rock, are difficult for empting, and safety in utilization is higher.

Drawings

FIG. 1 is a perspective view of a child dining chair according to an embodiment of the present application;

FIG. 2 is a perspective view of a supporting structure of a child dining chair according to an embodiment of the present invention;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a perspective view of the joint base of FIG. 3;

FIG. 5 is a perspective view of the alternative view of FIG. 4;

FIG. 6 is an exploded view of the support base and second support foot of FIG. 2;

FIG. 7 is an exploded view from another perspective of FIG. 6;

FIG. 8 is an exploded view of the articulating seat of FIG. 3;

figure 9 is a side view of a portion of a child dining chair according to one embodiment of the present application.

The reference numerals in the figures are illustrated as follows:

100. supporting legs; 101. a top portion; 102. a bottom; 103. a front; 104. a rear part;

105. a rotational axis;

110. a first supporting leg; 120. a second support leg; 130. a joint seat; 131. an installation chamber; 132. opening the opening; 133. a slot; 134. a notch; 135. connecting sleeves; 136. stopping rotating the ribs; 137. a first gap;

140. a supporting base; 141. a positioning groove; 150. a rotating shaft; 160. a shaft sleeve; 170. a pin rod; 180. positioning seats; 181. positioning the boss; 190. a decorative cover;

200. a seat; 210. a seat plate; 220. a base.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present application provides a supporting structure of a child dining chair, comprising two supporting legs 100, each supporting leg having a top 101 and a bottom 102 opposite to each other, wherein the top 101 of the two supporting legs 100 are connected to each other. The support structure is assembled with a seat 200 to form a child dining chair for seating a child, wherein the top 101 and bottom 102 are oriented as shown in fig. 1, and the two legs 100 are connected to each other in a folded manner, meaning that at least one leg can be folded close to the other leg.

One of the two supporting legs 100 is a first supporting leg 110, the top of the first supporting leg 110 is fixed with a joint seat 130, an installation chamber 131 is opened inside the joint seat 130, the bottom of the joint seat 130 is provided with an opening 132 communicated with the installation chamber 131, the other of the two supporting legs 100 is a second supporting leg 120, the top of the second supporting leg 120 extends into the installation chamber 131 through the opening 132 and is rotatably installed around a rotating axis 105, and the rotating axis 105 and the top extending direction of the first supporting leg 110 are arranged in a staggered manner.

The offset arrangement is understood to mean that the axis of rotation 105 does not exist in the direction of extension of the first support foot 110, which is caused by the fact that the joint seat 130 extends in a horizontal direction over a distance such that when the child is seated and shaken, a large part of the center of gravity still falls between the two support feet, avoiding tipping over.

From the installation perspective, second support leg 120 can enter installation chamber 131 from the bottom and assemble with joint seat 130, so that the top of joint seat 130 can be smooth and seamless, the appearance is more compact, and the potential safety hazard of children's tongs is reduced. The first supporting leg 110 and the joint seat 130 are installed in the following manner:

the two supporting legs 100 have opposite front and rear directions, one side of the joint seat 130 along the front and rear directions is provided with a slot 133, the other side is provided with a mounting chamber 131, a slot 134 of the slot 133 faces downwards, and the top of the first supporting leg 110 extends into the slot 133 and is fixedly connected. In the drawings, the front 103 is the direction of the first support leg 110, the rear 104 is the direction of the second support leg, the corresponding slot 133 is located at the front end of the joint seat 130, and the installation chamber 131 is located at the rear end of the joint seat 130 and is installed with the corresponding support leg. The first supporting leg 110 and the insertion groove 133 are fixedly inserted and fastened by fastening bolts from the side of the joint seat 130, so that the assembly is convenient and no installation gap is left at the top of the joint seat 130. In this embodiment, a base 220 is fixedly disposed on two sides of the chair 200, the first supporting leg 110 is embedded on the base 220, and the second supporting leg 120 is rotated to close to the first supporting leg 110.

Of course, in order to improve the connection stability between the first supporting leg 110 and the joint seat 130, the slot 134 of the inserting groove 133 is extended downward with a connecting sleeve 135, and a plurality of rotation stopping ribs 136 acting on the outer circumference of the first supporting leg 110 are distributed inside the connecting sleeve 135. The stopping rotating rib 136 is protruded on the inner wall of the slot 133 and tightly fitted with the outer periphery of the first supporting leg 110, so as to restrict the first supporting leg from being separated from the joint seat 130. The connection sleeve 135 extends obliquely downward to move the slot 134 downward, so that the assembly gap between the insertion groove 133 and the first support leg 110 moves downward, further preventing the hand from being pinched.

In order to realize that the top of the supporting structure is not easy to clamp hands, the joint seat 130 is integrally formed, so that the top wall of the mounting chamber 131 is of an integral structure, the front side and the rear side of the top surface of the joint seat extend downwards in a transitional manner through smooth cambered surfaces, and no assembly gap is kept between the front side and the rear side close to the top as far as possible.

Referring to fig. 4 to 8, in an embodiment, a supporting seat 140 is fixed in the mounting chamber 131, a top portion of the second leg 120 is rotatably mounted to the supporting seat 140, the supporting seat 140 and the top portion of the second leg 120 are overlapped with each other along a rotation axis direction of the second leg 120, and the second leg 120 can rotate relative to the supporting seat 140 around the rotation axis 105.

The supporting base 140 is attached to and limited by the inner wall of the installation chamber 131, and the supporting base 140 is fixed to the chamber wall of the installation chamber 131 by a fastener (not shown). Mainly used for filling the first gap 137 between the first supporting leg 110 and the rotation axis 105 in the installation chamber 131, thereby improving the structural strength.

The top of the second leg 120 is a disk, a rotating shaft 150 is fixed at the center (center) of the disk, and a sleeve 160 for receiving the rotating shaft 150 is disposed at a corresponding position of the supporting base 140. Wherein the shaft 150 extends and protrudes along the rotation axis 105, and the sleeve 160 is recessed along the rotation axis 105 and is engaged with the shaft 150, so that the two can rotate smoothly. The corresponding installation sequence is as follows: the second supporting leg 120 and the supporting base 140 are nested with each other, and then are inserted into the installation chamber 131, and the supporting base 140 is fastened by a fastening member.

A pin 170 is fixedly inserted between two opposite sidewalls of the mounting chamber 131, the rotating shaft 150 is a hollow shaft, and the pin 170 penetrates through the rotating shaft 150 and the shaft sleeve 160 along the rotation axis of the second supporting leg 120.

Wherein, be provided with positioning seat 180 in the outside of articulated seat 130, positioning seat 180 is connected with the buckle between the articulated seat 130, has the location boss 181 that stretches into installation room 131 on the positioning seat 180, has the positioning groove 141 of mutually supporting with location boss 181 on the supporting seat 140, and the one end of pin 170 is worn to establish and is fixed on location boss 181, and under the assembled state, location boss 181 is coaxial with axis of rotation 105. After the supporting seat 140 and the second supporting leg 120 are embedded into the mounting chamber 131, after the supporting seat 140 is fixed by the fastener, the positioning seat 180 is installed to realize simple limiting and cover of the fastener, the simple limiting and positioning boss 181 and the positioning groove 141 are matched with each other to limit the supporting seat 140 and the second supporting leg 120 to shake in the mounting chamber 131, and at the moment, the mounting chamber 131, the rotating shaft 150, the shaft sleeve 160 and the positioning seat 180 are coaxial and wait for the installation of the pin rod 170, so that the assembly is convenient. A decorative cover 190 that covers the pin bar 170 is also disposed outside the positioning socket 180.

Referring to fig. 9, the present application further provides a child dining chair comprising the support structure of the child dining chair and a seat 200 of any of the above embodiments, wherein the seat 200 comprises a seat plate 210, wherein the horizontal distance between the top extension direction of the first support leg 110 and the rotation axis 105 is L1, the length direction distance of the seat plate 210 is L2, and L1 is satisfied: l2 is 0.2 to 0.3, preferably L1: l2 ═ 0.25. When the child seat is horizontally arranged on the ground, the seat plate 210 is horizontally arranged or approximately horizontally arranged, so that the center of gravity of the child seat falls into the range of the two supporting legs in most postures when the child seat is used, and the child dining chair is not easy to topple.

The utility model provides a supporting structure of children's dining chair, the smooth seamless in top of articular seat avoids the tong condition to take place and the outward appearance is more succinct. Simultaneously the axis of rotation with the top extending direction dislocation arrangement of first supporting legs for under most postures when children take, the focus falls into the within range of two supporting legs, and children's dining chair is difficult for empting, and safety in utilization is higher.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims

1. The supporting structure of the child dining chair comprises two supporting feet, each supporting foot is provided with a top and a bottom which are opposite, and the tops of the two supporting feet are mutually close and connected;

2. A supporting structure for a child dining chair as claimed in claim 1, wherein said supporting legs have opposite front and rear directions, and said joint seat has a slot at one side and said mounting chamber at the other side;

3. A support structure for a child dining chair as claimed in claim 2, wherein the slot has a slot extending downwardly therefrom and a plurality of rotation preventing ribs are disposed on the interior of the slot and are adapted to engage with the outer periphery of the first support leg.

4. A support structure for a child dining chair as claimed in claim 1, wherein the top wall of the mounting compartment is of unitary construction;

5. A support structure for a children's dining chair as claimed in claim 2, wherein a support seat is fixed in said mounting chamber, and the top of said second leg is pivotally mounted to said support seat;

6. The support structure of a child dining chair as claimed in claim 5, wherein the supporting seat is in close contact with and limited to the inner wall of the installation chamber, and the supporting seat is fixed to the wall of the installation chamber by fasteners.

7. The support structure of a child dining chair as claimed in claim 5, wherein the top of said second leg is a disk shape with a central portion fixed with a rotation shaft; and a shaft sleeve for receiving the rotating shaft is arranged at the corresponding position of the supporting seat.

8. The support structure of a child dining chair as claimed in claim 7, wherein a pin rod is fixedly inserted between two opposite side walls of said mounting chamber, said pivot shaft is a hollow shaft, and said pin rod passes through said pivot shaft and said sleeve along the rotation axis of said second support leg.

9. The supporting structure of children's dining chair as claimed in claim 8, wherein a positioning seat is provided at the outer side of said joint seat, said positioning seat having a positioning boss protruding into said mounting chamber, said supporting seat having a positioning groove for cooperating with said positioning boss; in an assembly state, the positioning boss is coaxial with the rotation axis, and one end of the pin rod penetrates through the positioning boss.

10. A child dining chair comprising a support structure for a child dining chair as claimed in any one of claims 1 to 9 and a seat, said seat comprising a seat pan, wherein the horizontal distance between the direction of extension of the top of said first support leg and said axis of rotation is L1, and the lengthwise distance of said seat pan is L2, satisfying L1: l2 is 0.2-0.3.