CN105708228B

CN105708228B - Dining chair for children

Info

Publication number: CN105708228B
Application number: CN201610217542.3A
Authority: CN
Inventors: 孙建锋
Original assignee: CIXI HONEYWAY BABY PRODUCTS Co Ltd
Current assignee: CIXI HONEYWAY BABY PRODUCTS Co Ltd
Priority date: 2016-04-09
Filing date: 2016-04-09
Publication date: 2019-12-06
Anticipated expiration: 2036-04-09
Also published as: CN105708228A

Abstract

The invention relates to a child dining chair which comprises a supporting rod, a seat mechanism and a lifting mechanism, wherein the seat mechanism is arranged on the supporting rod, the lifting mechanism enables the seat mechanism to be adjusted up and down in a stepless mode comprises a sliding seat, a limiting assembly and a first adjusting rope, the limiting assembly is arranged on the sliding seat, an opening for the limiting assembly to extend into a sleeve is formed in the sliding seat, and the first adjusting rope is connected with the limiting assembly and can drive the limiting assembly to abut against or loosen the supporting rod in the sleeve. When the seat is used, the first adjusting rope is pulled, the limiting component can be pulled to eliminate the limiting effect on the supporting rod, at the moment, the seat mechanism can move up and down along the supporting rod, the first adjusting rope is loosened, the limiting component extends into the opening of the sleeve and is tightly abutted against the supporting rod, the sliding seat is prevented from sliding up and down along with the supporting rod, and the positioning effect is achieved; the lifting mechanism has a simple and reasonable structure, realizes stepless adjustment of the upper position and the lower position of the seat, does not need to arrange a limiting hole on the supporting rod, simplifies the production process and is convenient to use.

Description

Dining chair for children

Technical Field

The invention relates to the technical field of child seats, in particular to a child dining chair frequently used for feeding children.

background

The child dining chair is a chair special for children to eat, can protect the not completely developed vertebra of the children by using the child dining chair on one hand, and can easily help the children to learn independent eating on the other hand. Because the children's height of different age brackets is different, so just need the dining chair to possess liftable function when using the dining chair to satisfy the children of different heights and use, but current children's dining chair realizes going up and down through adjusting the cushion when height-adjusting generally, and this kind of lift mode is because need adjust the cushion, and consequently can lead to children to sit the comfort level after going not very good.

In order to solve the above problems, chinese utility model patent application No. 201520808777.0, entitled "a liftable child dining chair" with publication No. CN205083083U, discloses a structure, which comprises a backrest, wherein supports are respectively disposed on the left and right sides of the backrest, tray supporting plates are respectively disposed on the outer sides of the supports, a tray is disposed between the tray supporting plates, the tray supporting plates and the supports are fastened and connected through a plurality of adjusting nuts, adjusting grooves matched with the adjusting nuts are disposed on the tray supporting plates, a cushion is disposed between the supports below the tray, dining chair auxiliary lifters clamped on the supports are disposed at the front and rear ends of the bottom of the supports, the dining chair auxiliary lifters are fastened and connected with the supports through adjusting pieces, and a plurality of fixing holes matched with the adjusting pieces are disposed on the dining chair auxiliary lifters and the supports. Adopt the children's dining chair of above-mentioned structure, set up the supplementary riser of dining chair through the bottom at the support and can realize the regulation of children's dining chair height.

Chinese utility model patent No. CN203059048U entitled "automatic lifting adjustment device for child dining chair" (application No. 201320063660.5) also discloses a structure, which comprises a seat body and a frame connection cover, wherein the frame connection cover is mounted on the seat body; the lower edge of the frame connecting cover is provided with a convex point; the second spring is connected with the twisting gear piece, and the first spring is connected with the lower sliding rod; the upper sliding rod, the lower sliding rod and the twisting baffle are all assembled in the seat body, an adjusting device cover covers the outer surface of the seat body, the twisting baffle is clamped with the lower sliding rod, and the upper sliding rod is matched with the lower sliding rod; a plurality of positioning elastic pieces are arranged on the surface of the steel pipe from top to bottom, the seat body is sleeved on the steel pipe and forms sliding fit with the steel pipe, and the twisting stop piece is clamped on one of the positioning elastic pieces. Adopt the children dining chair of above-mentioned structure, the lift of seat is realized with the cooperation of location shell fragment to the accessible gear piece.

However, the lifting structure in the prior art needs to arrange a plurality of positioning structures on the sliding rod of the seat at intervals, and the child dining chair adopting the structure has the disadvantages of unattractive appearance, complex production process, incapability of realizing stepless adjustment and great inconvenience for users.

Therefore, the children dining chair is to be further improved.

disclosure of Invention

The invention aims to solve the technical problem of providing a child dining chair which is simple and reasonable in structure, convenient to produce and use and capable of achieving up-down stepless adjustment, aiming at the current situation of the prior art.

The invention aims to solve another technical problem of providing a child dining chair capable of realizing front-back angle adjustment aiming at the current situation of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a child dinning chair, includes the bracing piece and installs the seat mechanism on the bracing piece, its characterized in that: the lifting mechanism comprises a sliding seat, a limiting assembly and a first adjusting rope, one side of the sliding seat is connected with the seat mechanism and is provided with a sleeve capable of sliding up and down, the sleeve is sleeved on the supporting rod, the limiting assembly is arranged on the sliding seat, an opening for the limiting assembly to extend into the sleeve is formed in the sliding seat, and the first adjusting rope is connected with the limiting assembly and can drive the limiting assembly to tightly support or loosen the supporting rod in the sleeve.

As an improvement, the limiting assembly comprises a limiting shell, a limiting block and a first spring, the limiting shell is installed on the sliding seat and is provided with an inner cavity used for installing the limiting block, an opening corresponding to the opening of the sliding seat is formed in the limiting shell, the limiting block can move up and down and is arranged in the inner cavity of the limiting shell and can stretch out or retract from the opening, the first spring is arranged in the limiting shell and enables the front side of the limiting block to always keep the trend of stretching out the opening, and the first adjusting rope is connected with the limiting block and can drive the front side of the limiting block to stretch out or retract into the opening.

the improved structure is characterized in that the rear side of the limiting shell is formed into an inclined plate which is inclined backwards from top to bottom gradually, the rear side face of the limiting block is matched with the inclined plate, a longitudinally arranged notch is formed in the upper portion of the inclined plate and corresponds to the notch, a connecting portion capable of extending out of the notch is arranged on the rear side of the limiting block, and the connecting portion is connected with the first adjusting rope.

Preferably, the first adjusting rope is a brake cable, and the limiting shell and the seat mechanism are respectively provided with limiting grooves for mounting two ends of the brake cable.

preferably, the front side surface of the limiting block is provided with a non-slip mat.

In the above scheme, the support rods include a first support rod and a second support rod which are arranged at intervals, and two sides of the seat mechanism are respectively arranged on the first support rod and the second support rod through the lifting mechanism; the bottom of the seat is connected with a connecting rod which is transversely arranged, and a sliding seat of the lifting mechanism is provided with a jack into which the end part of the connecting rod is inserted.

In each of the above preferred embodiments, the seat mechanism includes a seat back and a seat, and the lower portion of the seat back is disposed on the seat through a rotating shaft and can rotate back and forth.

Improve again, the back of the chair both sides extend forward respectively and form into the connecting wall that has the arc edge, correspond, the seat support both sides be provided with respectively with connecting wall assorted installation department, interval arrangement has a plurality of spacing holes on this installation department, set up the spacing lug that can insert in the spacing hole on the arc edge of connecting wall, the second is adjusted the rope and is connected with this spacing lug and can drive spacing lug and insert or withdraw from in the spacing hole.

Preferably, the connecting wall is provided with a mounting groove for mounting the limiting convex block, the side wall of the mounting groove is provided with a notch for extending the front end of the limiting convex block, the rear end of the limiting convex block is connected with the second adjusting rope, and the mounting groove is internally provided with a second spring which can enable the limiting convex block to always keep the front end extending out of the notch.

compared with the prior art, the invention has the advantages that: the lifting mechanism comprises the sliding seat, the limiting component and the first adjusting rope, when the lifting mechanism is used, the first adjusting rope is pulled, the limiting component can be pulled to withdraw from a sleeve of the sliding seat, so that the limiting effect of the limiting component on the supporting rod is eliminated, at the moment, the seat mechanism can move up and down along the supporting rod along with the sliding seat, after the adjustment is finished, the first adjusting rope is loosened, the limiting component extends into an opening of the sleeve and is tightly abutted against the supporting rod, the supporting rod is limited, the sliding seat is prevented from sliding up and down along with the supporting rod, and the positioning effect is achieved; the lifting mechanism has simple and reasonable structure, realizes stepless adjustment of the upper position and the lower position of the seat, does not need to arrange a limiting hole on the supporting rod like the prior art, simplifies the production process and is convenient to use.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of an installation structure of the lifting mechanism in the embodiment of the present invention;

FIG. 3 is an exploded view of a lift mechanism (not including a first adjustment cord) in an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a lift mechanism (not including a first adjustment cord) in an embodiment of the present invention;

FIG. 5 is a schematic diagram of a portion of an embodiment of the present invention;

Fig. 6 is an enlarged schematic view of a portion a of fig. 5.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 6, the child dining chair of the present embodiment includes a supporting rod 1, a seat mechanism 2 and a lifting mechanism 3. The support bar 1 comprises a first support bar 11 and a second support bar 12 which are arranged at intervals. The seat mechanism 2 includes a seat back 21 and a seat 22, and a lower portion of the seat back 21 is provided on the seat 22 to be rotatable back and forth via a rotation shaft 23. The two sides of the seat 22 are respectively arranged on the first support bar 11 and the second support bar 12 through a lifting mechanism 3 which can be adjusted up and down in a stepless way. The bottom of the seat 22 is connected with a connecting rod 24 arranged transversely, and the side of the sliding seat 31 of the lifting mechanism 3 is provided with an insertion hole 311 for inserting the end of the connecting rod 24.

In this embodiment, the lifting mechanism 3 includes a sliding seat 31, a limiting component 32 and a first adjusting rope 33, a connecting surface 318 is formed on one side of the sliding seat 31, the connecting surface 318 is connected with the side wall of the seat 22 through a screw, a sleeve 310 which is sleeved on the supporting rod 1 and can slide up and down is arranged on the front side of the sliding seat 31, the limiting component 32 is arranged on the sliding seat 31, an opening 312 for the limiting component 32 to extend into the sleeve 310 is formed on the sliding seat 31, and the first adjusting rope 33 is connected with the limiting component 32 and can drive the limiting component 32 to tightly abut against or loosen the supporting rod 1 in the sleeve 310.

specifically, the limiting assembly 32 includes a limiting shell 321, a limiting block 322 and a first spring 323, the limiting shell 321 is installed on the sliding seat 31 and has an inner cavity 3210 for installing the limiting block 322, the limiting shell 321 is provided with a mouth portion 3211 corresponding to the opening 312 of the sliding seat 31, the limiting block 322 can be vertically moved in the inner cavity 3210 of the limiting shell 321 and can extend out or retract from the mouth portion 3211, the first spring 323 is installed in the limiting shell 321 and keeps the front side of the limiting block 322 always in a trend of extending out the mouth portion 3211, and the first adjusting rope 33 is connected with the limiting block 322 and can drive the front side of the limiting block 322 to extend out or retract into the mouth portion 3211. The rear side of the limiting shell 321 is formed into an inclined plate 3212 inclined from top to bottom gradually, the rear side of the limiting block 322 is matched with the inclined plate 3212, the upper portion of the inclined plate 3212 is provided with a longitudinally arranged notch 3213, correspondingly, the rear side of the limiting block 322 is provided with a connecting portion 3221 capable of extending out of the notch 3213, and the connecting portion 3221 is connected with the first adjusting rope 33. In order to make the limiting block 322 slide up and down smoothly in the limiting shell 321, the side surfaces of the limiting block 322 and the limiting shell 321 are respectively and correspondingly provided with a sliding block and a sliding groove 3222 which are matched with each other.

The first adjusting rope 33 in this embodiment is a brake cable, and the limiting shell 321 and the seat back 21 are respectively provided with limiting grooves 3214 for installing two ends of the brake cable. A rubber non-slip pad 324 is also provided on the front side of the stopper 322.

In this embodiment, two sides of the backrest 21 respectively extend forward to form a connecting wall 211 with an arc-shaped edge, correspondingly, two sides of the seat 22 are respectively provided with a mounting part 221 matched with the connecting wall 211, a plurality of limiting holes 41 are arranged on the mounting part 221 at intervals, a limiting bump 42 capable of being inserted into the limiting hole 41 is arranged on the arc-shaped edge of the connecting wall 211, and the second adjusting rope 43 is connected with the limiting bump 42 and can drive the limiting bump 42 to be inserted into or withdrawn from the limiting hole 41. Specifically, the connecting wall 211 is provided with a mounting groove 44 for mounting the limiting projection 42, a side wall of the mounting groove 44 is provided with a notch 441 for extending the front end of the limiting projection 42, the rear end of the limiting projection 42 is connected with the second adjusting rope 43, and the mounting groove 44 is provided with a second spring 45 for keeping the front end of the limiting projection 42 extending out of the notch 441. In this embodiment, the second adjusting rope 43 also adopts a brake cable, the front side of the mounting groove 44 and the seat back 21 are respectively provided with a limiting groove 442 for mounting two ends of the brake cable, the seat back 21 is further provided with adjusting buttons 100 and 200 respectively connected with the first adjusting rope 33 and the second adjusting rope 43, the first adjusting rope 33 and the second adjusting rope 43 are both in a free state when the buttons are loosened, and the first adjusting rope 33 and the second adjusting rope 43 are in a stretching state when the adjusting buttons are pressed.

When the child dining chair of the embodiment is used, when the up-down position of the seat mechanism 2 needs to be adjusted, the first adjusting rope 33 is pulled, the limiting block 322 of the limiting component 32 can be pulled to enable the limiting block 322 to withdraw from the sleeve 310 of the sliding seat 31, so that the limiting effect of the limiting component 32 on the supporting rod 1 is eliminated, at the moment, the seat mechanism 2 can move up and down along the supporting rod 1 along with the sliding seat 31, after the adjustment is finished, the first adjusting rope 33 is loosened, the limiting block 322 of the limiting component 32 is bounced upwards in an inclined mode under the action of the first spring 323 and extends into the opening 312 of the sleeve 310 to be tightly abutted against the supporting rod 1, the supporting rod 1 is limited, the sliding seat 31 is prevented from sliding up and down along with the supporting rod 1, and the up-down position and; when the front and rear angles of the chair back 21 need to be adjusted, the second adjusting rope 43 is pulled, the limiting lug 42 exits the limiting hole 41, at the moment, the chair back 21 can be rotated to adjust the front and rear inclination angles of the chair back 21, after the adjustment is finished, the second adjusting rope 43 is loosened, and the limiting lug 42 is reinserted into the limiting hole 41 under the action of the second spring 45 to limit the positions of the chair back 21 and the chair seat 22, so that the adjustment process is completed.

Claims

1. The utility model provides a child dinning chair, includes the bracing piece and installs the seat mechanism on the bracing piece, its characterized in that: the lifting mechanism comprises a sliding seat, a limiting assembly and a first adjusting rope, one side of the sliding seat is connected with the seat mechanism and is provided with a sleeve which can slide up and down and is sleeved on the supporting rod, the limiting assembly is arranged on the sliding seat, the sliding seat is provided with an opening through which the limiting assembly extends into the sleeve, and the first adjusting rope is connected with the limiting assembly and can drive the limiting assembly to tightly abut against or loosen the supporting rod in the sleeve;

The limiting assembly comprises a limiting shell, a limiting block and a first spring, the limiting shell is mounted on the sliding seat and is provided with an inner cavity for mounting the limiting block, the limiting shell is provided with an opening corresponding to the opening of the sliding seat, the limiting block can be vertically moved and is arranged in the inner cavity of the limiting shell and can extend out of or retract into the inner cavity from the opening, the first spring is arranged in the limiting shell and enables the front side of the limiting block to always keep the trend of extending out of the opening, and a first adjusting rope is connected with the limiting block and can drive the front side of the limiting block to extend out of or retract into the opening; the first adjusting rope is a brake cable;

The back side shaping of spacing shell is the swash plate that top-down inclined backward gradually, the trailing flank and this swash plate phase-match of stopper, open on swash plate upper portion has a longitudinal arrangement's breach, and is corresponding, the stopper rear side is provided with the connecting portion that can stretch out this breach, this connecting portion with first regulation rope is connected.

2. A child dining chair according to claim 1, wherein: and the front side surface of the limiting block is provided with an anti-skid pad.

3. A child dining chair according to claim 1, wherein: the two sides of the seat mechanism are respectively arranged on the first supporting rod and the second supporting rod through the lifting mechanism; the bottom of the seat is connected with a connecting rod which is transversely arranged, and a sliding seat of the lifting mechanism is provided with a jack into which the end part of the connecting rod is inserted.

4. A child dining chair according to claim 3, wherein: the chair mechanism comprises a chair back and a chair seat, wherein the lower part of the chair back is arranged on the chair seat in a way of rotating forwards and backwards through a rotating shaft.

5. A child dining chair as claimed in claim 4, wherein: the back of the chair both sides extend forward respectively and form into the connecting wall that has the arc edge, correspond, the seat support both sides are provided with respectively and connect wall assorted installation department, and interval arrangement has a plurality of spacing holes on this installation department, set up the spacing lug that can insert in the spacing hole on the arc edge of connecting wall, the second is adjusted the rope and is connected with this spacing lug and can drive spacing lug and insert or withdraw from in the spacing hole.

6. A child dining chair as claimed in claim 5, wherein: the connecting wall is provided with a mounting groove for mounting the limiting convex block, the side wall of the mounting groove is provided with a notch for extending the front end of the limiting convex block, the rear end of the limiting convex block is connected with a second adjusting rope, and a second spring which can enable the limiting convex block to always keep the front end extending out of the notch is arranged in the mounting groove.