CN212465518U - Dining chair pedal adjusting device and child dining chair using same - Google Patents

Abstract

The utility model relates to a dining chair pedal adjusting device and a children dining chair using the same, relating to the technical field of children articles, comprising an adjusting piece arranged on a pedal, a first fixing piece arranged on a chair foot, a second fixing piece arranged on the pedal and a locking component, wherein the adjusting piece comprises a pedal part and a chair foot part which are connected in sequence, the chair foot part is connected on the first fixing piece in a sliding way, and the pedal part is connected on the second fixing piece in a sliding way; the first fixing piece is provided with a plurality of fixing holes along the sliding direction, the locking assembly comprises a positioning rod inserted in the fixing holes, a through hole for the positioning rod to penetrate through is formed in the chair foot part, and the child dining chair further comprises a pedal adjusting device of the dining chair. The utility model discloses effect with adjustable footboard height.

Description

Dining chair pedal adjusting device and child dining chair using same

Technical Field

The utility model belongs to the technical field of children's articles for use's technique and specifically relates to a dining chair footboard adjusting device and applied this adjusting device's children dining chair.

Background

The child dining chair is a special chair for children and is mainly used for children to have meals.

The utility model discloses a utility model with publication number CN206252200U discloses a many function combination formula dining chair, it includes seat portion, the corresponding both sides edge of plane upwards extends in seat portion has the handrail, and the planar back portion is the integral type structure in handrail and the seat portion, and the dining plate has been cup jointed to the dismantlement formula on this handrail, and the dismantlement formula articulates between these two handrails has the backrest plate, and the hinged end between this backrest plate and the handrail is equipped with self-locking mechanism, and the plane is equipped with the dinner plate on this dining plate, and the plane is equipped with the dog under this dining plate, the bottom dismantlement formula of seat portion is connected with the seat frame.

The seat frame comprises a seat board and a four-leg supporting frame, the four-leg supporting frame is fixed at the bottom of the seat board through a connecting buckle, and a pedal is arranged at the front supporting position of the four-leg supporting frame. The pedal is usually fixed with the four-corner support frame in a bolt fixing mode.

The above prior art solutions have the following drawbacks: because the footboard adopts the mode of bolt fastening to fix, lead to the height of footboard unable adjusting, and children's leg length all is different, has lead to the unable good children of adaptation different ages and size of fixed footboard, leads to the suitability of footboard poor, so the children's dining chair that the footboard height can be adjusted of urgent need.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims at providing a dining chair footboard adjusting device with adjustable footboard height.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a dining chair pedal adjusting device comprises an adjusting piece arranged on a pedal, a first fixing piece arranged on a chair foot, a second fixing piece arranged on the pedal and a locking assembly, wherein the adjusting piece comprises a pedal part and a chair foot part which are sequentially connected;

the first fixing piece is provided with a plurality of fixing holes along the sliding direction, the locking assembly comprises a positioning rod inserted in the fixing holes, and the leg part of the chair is provided with a through hole for the positioning rod to penetrate through.

Through adopting above-mentioned technical scheme, run through the pipe and peg graft with the fixed orifices after the perforation and realize the relatively fixed of chair foot and first mounting through the locating lever, and because be provided with a plurality of fixed orificess on the first mounting, through fixing first mounting on the chair foot, make and run through the locating lever and peg graft with different fixed orifices again after the through hole and realize the regulation of regulating part for the height of chair foot, and because in the in-service use process, the slope of certain degree all can take place between the adjacent chair foot, the setting of second mounting sliding connection in footboard portion makes the footboard can also the different intervals of adaptation at altitude mixture control's in-process, make the suitability of dining chair stronger.

The present invention may be further configured in a preferred embodiment as: the locking assembly further comprises a button, a mounting seat for hinging the middle part of the button is arranged on the chair foot part, one side of the button, which is far away from the hinging part, is fixedly connected with the positioning rod, the other side of the button, which is far away from the hinging part, is a pressing part, and a movement gap is formed between the pressing part and the chair foot part;

the button is provided with a locking station and an unlocking station, and when the button is at the unlocking station, the positioning rod and the fixing hole are separated from each other;

when the button is located at the locking station, the positioning rod is inserted into the fixing hole.

Through adopting above-mentioned technical scheme, make the locating lever insert in the fixed orifices or break away from the fixed orifices through pressing the button, and then realize realizing relatively fixed or can realize relative slip between first mounting and the chair foot to the movement track that makes the locating lever through the middle part of button and the articulated mode of mount pad can be spacing relatively, avoids taking place to break away from between locating lever and the chair foot, and then has improved regulation efficiency.

The present invention may be further configured in a preferred embodiment as: the locking assembly further comprises an elastic piece, the elastic piece is arranged in the movement gap, and the elastic piece has the tendency that the pressing portion and the chair foot portion are driven to be away from each other.

Through adopting above-mentioned technical scheme, make the button can automatic re-setting through the effect of elastic component, make locating lever and fixed orifices break away from each other when pressing the portion of pressing to when loosening the portion of pressing, the locating lever can insert again under the effect of elastic component and establish in the fixed orifices, realize relatively fixed.

The present invention may be further configured in a preferred embodiment as: the elastic part comprises a compression spring, a fixing rod for penetrating one end of the compression spring is arranged on the chair foot part, and a spring groove for penetrating the compression spring is arranged on the pressing part.

Through adopting above-mentioned technical scheme, through setting up of dead lever and spring groove conveniently to compression spring assemble and fix a position, improved assembly efficiency, simplified the assembly step.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a chair, including chair foot, first mounting, stopper, the both sides of first mounting slip direction are provided with the stopper, the last stopper that just is located of chair foot wears to establish and the spacing groove that slides that supplies the stopper to wear to establish on the both sides wall in the groove that slides.

Through adopting above-mentioned technical scheme, the area of contact between first mounting and the chair foot has been increased on the one hand in the setting in groove that slides, and on the other hand has increased the area of contact between chair foot and the chair foot, has improved the stability when sliding and after the fixing.

The present invention may be further configured in a preferred embodiment as: the pedal portion is provided with a sliding groove through which the second fixing piece penetrates and slides, and the second fixing piece is provided with a pressing assembly which blocks relative movement between the pedal portion and the second fixing piece.

Through adopting above-mentioned technical scheme, the area of contact between footboard portion and the second mounting has been increased on the one hand in the setting of sliding tray, and on the other hand has increased the area of contact between footboard portion and the footboard to stability when sliding has been improved, the setting that compresses tightly the subassembly simultaneously makes and is difficult to take place relative slip between footboard portion after fixing and the second mounting, thereby improves the fixed intensity between footboard portion and the footboard.

The present invention may be further configured in a preferred embodiment as: the pressing assembly comprises a pressing plate and a pressing piece, the pressing plate is arranged on one side, far away from the pedal, of the second fixing piece and is in sliding butt joint with the pedal portion, the pressing piece comprises a hand screwing portion and a bolt portion which are connected in sequence, the bolt portion penetrates through the pressing plate and is in threaded connection with the second fixing piece, and the hand screwing portion is in butt joint with one side, far away from the pedal portion, of the pressing plate.

Through adopting above-mentioned technical scheme, constantly screw up through the bolt part that sticiss the piece, make the hand twist the portion and sticiss the piece and carry out the butt, and improve the pressure of sticising the board between to the footboard portion, and then improve the pressure between footboard portion and the footboard, thereby make the two be difficult to take place relative movement, improved the joint strength between footboard and the regulating part, carry out spacing convenience through the mode of twisting by hand simultaneously and install and dismantle sticising the piece, improved adjusting device's regulating efficiency.

The present invention may be further configured in a preferred embodiment as: the hand is twisted one side of portion towards bolt portion and is provided with the location arch, be provided with the positioning groove that supplies the protruding wearing and tearing of location on the clamp plate.

Through adopting above-mentioned technical scheme, protruding and positioning groove's setting up through the location has increased the area of contact between tight casting die and the tight clamp plate, and then has improved the stability of junction, has improved the compression strength.

The present invention may be further configured in a preferred embodiment as: the pedal part is close to one side of the clamping plate and is provided with an anti-skidding groove along the sliding direction of the pedal part, and the clamping plate is provided with anti-skidding convex lines penetrating through the anti-skidding groove.

Through adopting above-mentioned technical scheme, mutually supporting has increased the coefficient of friction of the contact surface of holding down plate and sticising the piece between anti-skidding groove and the anti-skidding burr, and then makes the holding down plate and sticising more difficult emergence relative slip between the piece, has improved and has sticiss the effect, has further improved the stability of junction.

The second purpose of the utility model is to provide a children dining chair with adjustable pedal height.

The above utility model discloses an above-mentioned utility model purpose secondly can realize through following technical scheme:

a child dinning chair comprises the dinning chair pedal adjusting device.

Through adopting above-mentioned technical scheme for the height of children's dining chair's footboard can be adjusted to the different children of this adaptation leg length also can carry out the adaptation through the height of adjusting the footboard when children develop and make the height increase simultaneously.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the first fixing piece is fixed on the chair leg, so that the positioning rod penetrates through the through hole and then is inserted into different fixing holes to realize the adjustment of the height of the adjusting piece relative to the chair leg, and the pedal is connected to the pedal part in a sliding manner through the second fixing piece, so that different distances can be adapted to the pedal part in the height adjustment process, and the dining chair is stronger in adaptability;

2. the unlocking and locking are carried out in a button mode, so that the adjusting efficiency is improved;

3. through the mode of improving the pressure between footboard portion and the footboard, improve the frictional force between the two, and then improved the joint strength between footboard and the regulating part.

Drawings

Figure 1 is a schematic structural view of a child dining chair.

Figure 2 is a schematic structural diagram of a pedal adjusting device of a dining chair.

Fig. 3 is a schematic view of the assembly of the adjustment member with the first fixing member.

Fig. 4 is a sectional view of the adjusting member.

Figure 5 is an exploded view of the hold down assembly, the tread portion and the second fastener.

In the drawings, 1, a pedal adjusting device of a dining chair; 2. a support frame; 21. chair legs; 3. a seat; 4. a dinner plate; 5. a pedal; 6. an adjustment member; 61. a chair foot part; 611. a sliding groove; 612. a limiting groove; 613. a through hole; 62. a pedal portion; 621. a sliding groove; 622. an anti-slip groove; 63. plugging; 64. a mounting seat; 65. fixing the rod; 7. a first fixing member; 71. a limiting block; 72. a fixing hole; 8. a second fixing member; 9. a locking assembly; 91. positioning a rod; 92. a button; 921. a pressing part; 922. a movement gap; 923. a spring slot; 93. an elastic member; 10. a compression assembly; 101. pressing the plate tightly; 1011. a positioning groove; 1012. anti-skid wales; 102. pressing the piece tightly; 1021. a hand-wringing portion; 1022. a bolt portion; 1023. and a positioning projection.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the present invention discloses a child dining chair, which comprises a support frame 2 and a seat 3 disposed on the support frame 2, wherein the seat 3 is provided with a dinner plate 4, the support frame 2 comprises four legs 21 inclined relative to the ground, wherein a pedal adjusting device 1 of the dining chair is disposed between two adjacent legs 21 on one side of the seat 3, and the height of the pedal 5 is adjusted by the pedal adjusting device 1 of the dining chair.

Referring to fig. 2, the adjustment device 1 for the pedal of the dining chair comprises an adjusting member 6, a first fixing member 7, a second fixing member 8 and a locking assembly 9, wherein the adjusting member 6 is disposed on the pedal 5, the first fixing member 7 is fixedly connected to the leg 21, and the second fixing member 8 is fixedly connected to the pedal 5. It should be noted that the two ends of the pedal 5 are symmetrically disposed on the two ends of the dining chair pedal adjusting device 1, and the further description will be made based on the one-end dining chair pedal adjusting device 1.

The adjusting member 6 comprises a chair foot part 61 and a pedal part 62 which are connected in sequence, wherein the chair foot part 61 is connected on the first fixing member 7 in a sliding way, and the pedal part 62 is connected on the second fixing member 8 in a sliding way. In the present embodiment, the adjusting member 6 is preferably disposed below the pedal 5, and based on the same inventive concept, the adjusting member 6 may be disposed above the pedal 5.

Referring to fig. 3, a sliding groove 611 for the first fixing member 7 to penetrate and slide is disposed on one side of the chair foot 61 facing the first fixing member 7, two sides of the sliding direction of the first fixing member 7 are integrally provided with a limiting block 71, two side walls of the chair foot 61 and located on the sliding groove 611 are provided with a limiting groove 612 for the limiting block 71 to penetrate and slide, and the first fixing member 7 is provided with a plurality of fixing holes 72 along the sliding direction. Wherein the number of the fixing holes 72 can be adapted according to the actual adjustment requirement.

In order to facilitate the installation of the first fixing member 7 in the chair foot 61, the sliding groove 611 and the limiting groove 612 both penetrate through the side of the chair foot 61 away from the pedal portion 62 and form an opening, and a plug 63 for closing the opening is disposed at the opening.

Referring to fig. 3 and 4, the locking assembly 9 includes a positioning rod 91, a button 92 and an elastic member 93, a through hole 613 for the positioning rod 91 to pass through is formed in the chair leg portion 61, the positioning rod 91 passes through the through hole 613 and then is inserted into the fixing hole 72, and the fixing hole 72 and the positioning rod 91 are mutually matched to prevent the relative sliding between the chair leg portion 61 and the first fixing member 7, so as to achieve the fixing effect.

The one side that chair foot portion 61 kept away from first mounting 7 is provided with the articulated mount pad 64 of confession button 92 integratively, and the middle part of button 92 articulates in the middle part of mount pad 64, and the one side that articulated department was kept away from to button 92 is made through integrated into one piece's mode with locating lever 91, and the opposite side sets up to the portion 921 that presses that supplies the finger to press, and has between pressing portion 921 and the chair foot portion 61 and supply to press the portion 921 along articulated shaft pivoted movement clearance 922. The button 92 has an unlocking position and a locking position, when the button 92 is in the unlocking position, the pressing part 921 is close to the chair leg part 61, and the positioning rod 91 is separated from the fixing hole 72; when the button 92 is at the locking position, the pressing portion 921 is away from the seat leg portion 61, and the positioning lever 91 is inserted into the fixing hole 72.

It should be noted that, in this embodiment, the pressing portion 921 is preferably disposed on a side of the button 92 close to the pedal portion 62, and based on the same inventive concept, the positioning rod 91 may be disposed on a side of the button 92 close to the pedal portion 62, or the positioning rod 91 and the pressing portion 921 may be disposed horizontally with respect to the ground, which is not described herein again.

The elastic member 93 is disposed in the moving gap 922, and the elastic member 93 has a tendency of driving the pressing portion 921 and the chair foot 61 to be away from each other, in this embodiment, the elastic member 93 is preferably set to be a compression spring, in order to limit and position the compression spring, the chair foot 61 is provided with the fixing rod 65 through which one end of the compression spring is inserted, and the pressing portion 921 is provided with the spring groove 923 through which the compression spring is inserted.

Due to the fact that a certain inclination angle exists between the adjacent chair legs 21, when the height of the pedal 5 is changed, the distance between the adjacent chair legs 21 is changed, the pedal 5 can not be adapted to simply slide in the vertical direction, and the arrangement between the pedal part 62 and the second fixing piece 8 is the corresponding improvement adapted to the situation.

Referring to fig. 5, a sliding groove 621 for the second fixing element 8 to pass through and slide is disposed on the pedal portion 62, and a pressing assembly 10 for preventing the pedal portion 62 and the second fixing element 8 from moving relatively is disposed on the second fixing element 8.

The pressing assembly 10 includes a pressing plate 101 and a pressing member 102, wherein the pressing plate 101 is fixedly connected to a side of the second fixing member 8 away from the pedal 5 and slidably abuts against the pedal portion 62. The pressing member 102 includes a hand screwing portion 1021 and a bolt portion 1022 which are connected in sequence, the bolt portion 1022 penetrates through the pressing plate 101 and is in threaded connection with the second fixing member 8, the hand screwing portion 1021 and one side of the pressing plate 101, which is far away from the pedal portion 62, are abutted against each other, a positioning protrusion 1023 is arranged on one side of the hand screwing portion 1021, which faces the bolt portion 1022, and a positioning groove 1011 for the positioning protrusion 1023 to penetrate is correspondingly arranged on the pressing plate 101.

Because the pressing plate 101 and the pedal portion 62 are both made of plastic or metal, the outer surface finish is high, and the friction coefficient is low, the pressing plate 101 and the pedal portion 62 and the pedal 5 are simply pressed tightly by the pressing member 102, which is difficult to fix, in order to increase the friction coefficient between the pressing member 102 and the pedal portion 62, the pedal portion 62 is provided with an anti-slip groove 622 on one side close to the pressing plate 101 and along the sliding direction of the pedal portion 62, and the pressing plate 101 is provided with an anti-slip ridge 1012 penetrating through the anti-slip groove 622. It should be noted that the anti-slip ridge 1012 may be disposed on the pedal portion 62, and the anti-slip groove 622 may be disposed on the pressing plate 101, which will not be described herein.

The implementation principle of the embodiment is as follows:

when the height of the pedal 5 needs to be adjusted, firstly, the pressing pieces 102 on the two sides are unscrewed, and the pressing plate 101 and the pedal part 62 are separated from each other;

next, the pressing portion 921 of the two-side buttons 92 is pressed to separate the positioning rod 91 from the fixing hole 72;

then, the pedal 5 is moved up or down to a proper position, and the pressing portion 921 of the button 92 is released;

subsequently, the pedal 5 is moved upwards or downwards to ensure that the positioning rod 91 is inserted into the corresponding fixing hole 72;

finally, the pressing members 102 on both sides are tightened to complete the height adjustment of the pedal 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. A dining chair footboard adjusting device which characterized in that: the chair comprises an adjusting piece (6) arranged on a pedal (5), a first fixing piece (7) arranged on a chair foot (21), a second fixing piece (8) arranged on the pedal (5) and a locking assembly (9), wherein the adjusting piece (6) comprises a pedal part (62) and a chair foot part (61) which are sequentially connected, the chair foot part (61) is connected to the first fixing piece (7) in a sliding manner, and the pedal part (62) is connected to the second fixing piece (8) in a sliding manner;

the first fixing piece (7) is provided with a plurality of fixing holes (72) along the sliding direction, the locking assembly (9) comprises a positioning rod (91) inserted in the fixing holes (72), and a through hole (613) for the positioning rod (91) to penetrate through is formed in the chair leg part (61).

2. The adjustment device for the pedal of a dining chair as claimed in claim 1, wherein: the locking assembly (9) further comprises a button (92), a mounting seat (64) for hinging the middle part of the button (92) is arranged on the chair foot part (61), one side, far away from the hinging part, of the button (92) is fixedly connected with the positioning rod (91), the other side, far away from the hinging part, of the button (92) is a pressing part (921), and a movement gap (922) is formed between the pressing part (921) and the chair foot part (61);

the button (92) is provided with a locking station and an unlocking station, and when the button (92) is in the unlocking station, the positioning rod (91) and the fixing hole (72) are separated from each other;

when the button (92) is located at the locking station, the positioning rod (91) is inserted into the fixing hole (72).

3. The adjustment device for the pedal of a dining chair as claimed in claim 2, wherein: the locking assembly (9) further comprises an elastic piece (93), the elastic piece (93) is arranged in the movement gap (922), and the elastic piece (93) has the tendency that the pressing part (921) and the chair foot part (61) are driven to be away from each other.

4. The adjustment device for the pedal of a dining chair as claimed in claim 3, wherein: elastic component (93) include compression spring, be provided with dead lever (65) that supply compression spring's one end to wear to establish on chair foot portion (61), be provided with spring groove (923) that supply compression spring wears to establish on pressing portion (921).

5. The adjustment device for the pedal of a dining chair as claimed in claim 1, wherein: chair foot portion (61) are provided with the groove (611) that slides that supplies first mounting (7) to slide towards one side of first mounting (7), the both sides of first mounting (7) glide direction are provided with stopper (71), be provided with on chair foot portion (61) and be located the both sides wall in groove (611) that slides and supply stopper (71) to wear to establish and the spacing groove (612) that slide.

6. The adjustment device for the pedal of a dining chair as claimed in claim 1, wherein: the pedal part (62) is provided with a sliding groove (621) for the second fixing part (8) to penetrate and slide in a penetrating mode, and the second fixing part (8) is provided with a pressing assembly (10) for preventing the pedal part (62) and the second fixing part (8) from moving relatively.

7. The adjustment device for the pedal of a dining chair as claimed in claim 6, wherein: the pressing assembly (10) comprises a pressing plate (101) and a pressing piece (102), the pressing plate (101) is arranged on one side, far away from the pedal (5), of the second fixing piece (8) and is in sliding abutting joint with the pedal portion (62), the pressing piece (102) comprises a hand screwing portion (1021) and a bolt portion (1022) which are sequentially connected, the bolt portion (1022) penetrates through the pressing plate (101) and is in threaded connection with the second fixing piece (8), and the hand screwing portion (1021) is in abutting joint with one side, far away from the pedal portion (62), of the pressing plate (101).

8. The adjustment device for the pedal of a dining chair as claimed in claim 7, wherein: the hand twisting part (1021) is provided with a positioning protrusion (1023) towards one side of the bolt part (1022), and the pressing plate (101) is provided with a positioning groove (1011) for the positioning protrusion (1023) to penetrate through.

9. The adjustment device for the pedal of a dining chair as claimed in claim 7, wherein: the pedal part (62) is close to one side of the pressure plate (101) and is provided with an anti-skidding groove (622) along the sliding direction of the pedal part (62), and the pressure plate (101) is provided with anti-skidding wales (1012) penetrating through the anti-skidding groove (622).

10. A child dining chair, which is characterized in that: comprising a dining chair pedal adjustment device (1) according to any one of claims 1 to 9.

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