CN111870083A

CN111870083A - Children prevent dining chair that collides with adjustable height

Info

Publication number: CN111870083A
Application number: CN202010945500.8A
Authority: CN
Inventors: 祝甜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2020-11-03

Abstract

The invention relates to the technical field of child dining chairs and discloses a height-adjustable anti-collision dining chair for children, which comprises a base, wherein the top of the base is slidably connected with a sliding block, the top of the sliding block is movably connected with a supporting rod, the top of the base is fixedly connected with a fixed rod, the left side of a seat is fixedly connected with a support rod, the inside of the support rod is slidably connected with a driving block, the right side of a supporting spring is fixedly connected with a sleeve plate, the right side of the sleeve plate is fixedly connected with a push rod, and the right side of the push rod is fixedly connected with a return spring. This children prevent dining chair that collides with adjustable height rotates through the pivot and drives the elevator and rise, and the elevator drives the slide bar and rises, and the slide bar drives the fixture block and rises, and the fixture block drives the seat and rises, and the pivot drives the angle piece simultaneously and descends, and the angle piece drives the slider and slides, and the rethread slider uses with the cooperation of bracing piece to the good effect of altitude mixture control stability has been reached.

Description

Children prevent dining chair that collides with adjustable height

Technical Field

The invention relates to the technical field of child dining chairs, in particular to a height-adjustable and bump-preventing dining chair for children.

Background

The child dining chair is a chair special for children to eat, is one kind of dining room furniture, is commonly used at home, and is also necessary to be equipped with in the restaurant, and the restaurant generally can use the chair that the bedplate is higher, has handrail and pin to regard as child dining chair, puts children on the bedplate during the use of this kind of dining chair, and both hands are held on pin or handrail, and this kind of child dining chair does not need the adult to hold children to have dinner even if make the height and the desktop parallel and level of children when having dinner.

When adjusting to higher position, the stability of dining chair is relatively poor for the children of current restaurant usefulness, and easy trip is emptyd, falls and hurts children, because the dining plate is fixed simultaneously, when people hold up children, not only inconvenient, still make children collide with on the dining plate easily.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the height-adjustable and anti-collision dining chair for children, which has the advantages of good height adjustment stability, difficulty in toppling over, automatic expansion of a dining board, convenience in holding up children and the like, and solves the problems that when the dining chair is adjusted to a higher position, the stability of the dining chair is poor, the dining chair is easy to topple over when going out, the children are injured by falling, and the children are easy to collide with the dining board when holding up the children.

(II) technical scheme

In order to realize the purposes of good height adjustment stability, uneasy toppling, automatic expansion of the dinning board and convenient holding of children, the invention provides the following technical scheme: a height-adjustable anti-collision dining chair for children comprises a base, wherein the top of the base is slidably connected with a sliding block, the top of the sliding block is movably connected with a supporting rod, the inside of the supporting rod is slidably connected with a sliding rod, the top of the sliding rod is movably connected with a clamping block, the top of the base is fixedly connected with a fixed rod, the inner bottom of the fixed rod is fixedly connected with a rotating shaft, the inside of the fixed rod is slidably connected with a lifting block and an angle block, the lifting block is positioned above the angle block, the top of the lifting block is fixedly connected with a seat, the inside of the seat is fixedly connected with a buffer spring, the inner wall of the seat is fixedly connected with an air bag, the right side of the air bag is inserted with an air pipe, the inside of the air pipe is fixedly connected with a fixed block, the, the utility model discloses a chair, including runner, interior wheel, the inside fixedly connected with of runner, the outside swing joint of interior wheel has the pawl, the outside fixedly connected with restriction spring of pawl, the transmission chamber has been seted up to the inside of seat, the inside sliding connection in transmission chamber has the piston, the left side meshing of piston has the gear, the left side fixedly connected with cradling piece of seat, the inside sliding connection of cradling piece has the drive block, the top fixedly connected with desktop board of drive block, supporting spring has been cup jointed in the outside of drive block, supporting spring's right side fixedly connected with lagging, the right side fixedly connected with push rod of lagging, the right side fixedly connected with reset spring of push rod.

Preferably, threaded holes are formed in the lifting block and the angle block, the rotating directions of the two threaded holes are opposite, the two threaded holes are matched with the rotating shaft for use, and the moving directions of the lifting block and the angle block are opposite.

Preferably, the angle block is connected with the sliding block through a connecting rod.

Preferably, the inner wall of the rotating wheel is provided with a ratchet which is matched with the pawl for use and used for limiting the rotation of the rotating wheel.

Preferably, a rack is fixedly connected to the left side of the piston and is matched with a gear for use.

Preferably, the gear is connected with the push rod through a transmission rope.

Preferably, the sleeve plate is movably connected with the desktop plate through the transmission rod, so that the sleeve plate can push the desktop plate to swing, and the child cannot be collided when being held.

Preferably, the push rod is connected inside the support rod in a sliding mode, and transmission stability of the push rod is guaranteed.

(III) advantageous effects

Compared with the prior art, the invention provides a height-adjustable and collision-preventing dining chair for children, which has the following beneficial effects:

1. this children prevent dining chair that collides with adjustable height rotates through the pivot and drives the elevator and rise, and the elevator drives the slide bar and rises, and the slide bar drives the fixture block and rises, and the fixture block drives the seat and rises, and the pivot drives the angle piece simultaneously and descends, and the angle piece drives the slider and slides, and the rethread slider uses with the cooperation of bracing piece to the good effect of altitude mixture control stability has been reached.

2. This children prevent dining chair of colliding with adjustable height, atmospheric pressure through in the gasbag reduces, during gaseous entering gasbag in the transmission chamber, the piston no longer blocks the gear this moment, the gear no longer gives the push rod pulling force, the push rod moves left under reset spring's effect, the push rod drives the lagging, the lagging drives supporting spring and moves left, supporting spring drives the drive block and moves left, the drive block drives the desktop board and moves left, when the desktop board removes to the leftmost side, the lagging compression supporting spring, the rethread lagging uses with the cooperation of desktop board, thereby it can stretch out and draw back automatically to have reached the dinner board, be convenient for hold up children's effect.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a partial schematic view of a structural retaining bar of the present invention;

FIG. 3 is a schematic view of a portion of the trachea illustrating the structure of the present invention;

FIG. 4 is a schematic view of a portion of the wheel of the present invention;

FIG. 5 is a partial schematic view of a drive chamber of the present construction;

figure 6 is a schematic view of a portion of the table top constructed in accordance with the present invention.

In the figure: 1-base, 2-slide block, 3-support rod, 4-slide rod, 5-fixture block, 6-seat, 7-fixing rod, 8-rotating shaft, 9-lifting block, 10-angle block, 11-buffer spring, 12-air bag, 13-air pipe, 14-fixing spring, 15-valve, 16-rotating wheel, 17-inner wheel, 18-pawl, 19-limiting spring, 20-transmission cavity, 21-piston, 22-gear, 23-support rod, 24-driving block, 25-table top plate, 26-supporting spring, 27-sleeve plate, 28-push rod and 29-reset spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-6, a height-adjustable anti-collision dining chair for children comprises a base 1, a sliding block 2 is slidably connected to the top of the base 1, a supporting rod 3 is movably connected to the top of the sliding block 2, a sliding rod 4 is slidably connected to the inside of the supporting rod 3, a clamping block 5 is movably connected to the top of the sliding rod 4, a fixing rod 7 is fixedly connected to the top of the base 1, a rotating shaft 8 is fixedly connected to the inner bottom of the fixing rod 7, the rotating shaft 8 is made of 40Cr to ensure stable transmission, a lifting block 9 and an angle block 10 are slidably connected to the inside of the fixing rod 7, the lifting block 9 is located above the angle block 10, threaded holes are formed in the lifting block 9 and the angle block 10, the two threaded holes are opposite in rotating direction and are matched with the rotating shaft 8 for use, the moving directions of the lifting block 9 and the angle block 10 are opposite, the angle block 10 is connected with, the inside of the seat 6 is fixedly connected with a buffer spring 11, the material of the buffer spring 11 adopts 65Mn, which ensures that an air bag 12 can be slowly compressed and quickly rebounded, the inner wall of the seat 6 is fixedly connected with the air bag 12, the right side of the air bag 12 is inserted with an air pipe 13, the inside of the air pipe 13 is fixedly connected with a fixed paralysis 14, the bottom of the fixed spring 14 is fixedly connected with a valve 15, the inside of the air pipe 13 is fixedly connected with a runner 16, the inner wall of the runner 16 is provided with a ratchet which is matched with a pawl 18 for use for limiting the rotation of the runner 16, the inside of the runner 16 is fixedly connected with an inner wheel 17, the outside of the inner wheel 17 is movably connected with the pawl 18, the outside of the pawl 18 is fixedly connected with a limiting spring 19, the inside of the seat 6 is provided with a transmission cavity 20, the inside of the transmission cavity 20 is slidably, gear 22 is connected with push rod 28 through the driving rope, seat 6's left side fixedly connected with cradling piece 23, the inside sliding connection of cradling piece 23 has drive block 24, the top fixedly connected with desktop board 25 of drive block 24, supporting spring 26 has been cup jointed in the outside of drive block 24, supporting spring 26's right side fixedly connected with lagging 27, lagging 27 passes through transfer line and desktop board 25 swing joint, make the lagging can promote the swing of desktop board 25, can not make children collide with when embracing children, lagging 27's right side fixedly connected with push rod 28, push rod 28 sliding connection is in the inside of cradling piece 23, it is stable to guarantee the transmission of push rod 28, push rod 28's right side fixedly connected with reset spring 29.

The working principle is that a child is placed on the seat 6, the air bag 12 is compressed under the action of gravity, the air bag 12 compresses air to enter the air pipe 13, air pressure pushes the valve 15 to rise, the valve 15 rises to compress the fixing spring 14, at the moment, the air pressure enters the transmission cavity 20 through the air pipe 13, the air pressure in the transmission cavity 20 is increased, the piston 21 rises under the action of the air pressure, the piston 21 rises to drive the gear 22 to rotate through the rack on the left side, the gear 22 rotates to tighten the transmission rope, the transmission rope pulls the push rod 28 to move rightwards, the push rod 28 moves rightwards to pull the sleeve plate 27 to move rightwards, the sleeve plate 27 moves rightwards to drive the table panel 25 to swing rightwards, when the table panel 25 swings rightwards to be horizontal, the sleeve plate 27 drives the supporting spring 26 to move rightwards, the supporting spring 26 drives the driving block 24 to slide rightwards, the, rotating the rotating shaft 8, the rotating shaft 8 drives the lifting plate 9 to rise, the lifting plate 9 rises to drive the seat 6 to rise, meanwhile, the rotating shaft 8 drives the angle block 10 to slide downwards, the angle block 10 slides downwards to drive the sliding block 2 to slide towards the outer side of the base 1 through the connecting rod, at the moment, the supporting rod 3 swings towards the action of the sliding rod 4, so that the stability of the seat 6 is improved, when a child needs to be held, the air bag 12 is not stressed, the air bag 12 rises rapidly under the action of the buffer spring 11, the pressure in the air bag 12 is lower, at the moment, the air pressure in the transmission cavity 20 is higher than the elastic force of the limiting spring 19, the rotating wheel 16 can rotate, the air pressure in the transmission cavity 20 pushes the valve 15 to fall, the valve 15 falls to drive the rotating wheel 16 to rotate, the rotating wheel 16 rotates to enable the air in the transmission cavity 20 to enter the air pipe 13, the air pipe 13, the piston 21 descends and does not block the gear 22, the gear 22 does not give a pulling force to the push rod 28, the push rod 28 moves leftwards under the action of the reset spring 29, the push rod 28 drives the sleeve plate 27 to move leftwards, the sleeve plate 27 drives the supporting spring 26 to move leftwards, the supporting spring 26 drives the push rod 28 to give a pulling force, the push rod 28 moves leftwards under the action of the reset spring 29, the push rod 28 drives the sleeve plate 27 to move leftwards, the sleeve plate 27 drives the supporting spring 26 to move leftwards, the supporting spring 26 drives the driving block 24 to move leftwards, the driving block 24 drives the tabletop plate 255 to move leftwards, when the tabletop plate 25 moves to the leftmost side, the sleeve plate 27 compresses the supporting spring 26, at the moment, the sleeve plate 27 drives the tabletop plate 25 to swing to the vertical position through.

To sum up, this children use dining chair that height-adjustable prevented to collide with rotates through pivot 8 and drives elevator 9 and rise, and elevator 9 drives slide bar 4 and rises, and slide bar 4 drives fixture block 5 and rises, and fixture block 5 drives seat 6 and rises, and pivot 8 drives angle piece 10 and descends simultaneously, and angle piece 10 drives 2 slides of slider, and rethread slider 2 uses with the cooperation of bracing piece 3 to the good effect of altitude mixture control stability has been reached. This children prevent dining chair of colliding with adjustable height, atmospheric pressure through among the gasbag 12 reduces, gaseous entering gasbag 12 in the transmission chamber 20, piston 21 no longer blocks gear 22 this moment, gear 22 no longer gives push rod 28 pulling force, push rod 28 moves left under reset spring 29's effect, push rod 28 drives lagging 27 and moves left, lagging 27 drives supporting spring 26 and moves left, supporting spring 26 drives driving block 24 and moves left, driving block 24 drives desktop 255 and moves left, when desktop 25 moves to the leftmost side, lagging 27 compresses supporting spring 26, rethread lagging 27 uses with the cooperation of desktop 25, thereby it can be flexible automatically to have reached the dinner plate, be convenient for hold up children's effect, application scope is more extensive.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a children prevent dining chair that collides with adjustable height, includes base (1), its characterized in that: the top of the base (1) is connected with a sliding block (2) in a sliding manner, the top of the sliding block (2) is movably connected with a supporting rod (3), the inside of the supporting rod (3) is connected with a sliding rod (4) in a sliding manner, the top of the sliding rod (4) is movably connected with a clamping block (5), the top of the base (1) is fixedly connected with a fixing rod (7), the inner bottom of the fixing rod (7) is fixedly connected with a rotating shaft (8), the inside of the fixing rod (7) is connected with a lifting block (9) and an angle block (10) in a sliding manner, the lifting block (9) is positioned above the angle block (10), the top of the lifting block (9) is fixedly connected with a seat (6), the inside of the seat (6) is fixedly connected with a buffer spring (11), the inner wall of the seat (6) is fixedly connected with an air bag, the inner part of the air pipe (13) is fixedly connected with a fixed paralysis (14), the bottom of the fixed spring (14) is fixedly connected with a valve (15), the inner part of the air pipe (13) is fixedly connected with a rotating wheel (16), the inner part of the rotating wheel (16) is fixedly connected with an inner wheel (17), the outer side of the inner wheel (17) is movably connected with a pawl (18), the outer side of the pawl (18) is fixedly connected with a limiting spring (19), a transmission cavity (20) is formed in the seat (6), the inner part of the transmission cavity (20) is slidably connected with a piston (21), the left side of the piston (21) is meshed with a gear (22), the left side of the seat (6) is fixedly connected with a support rod (23), the inner part of the support rod (23) is slidably connected with a driving block (24), and the top of the driving block (24) is fixedly, supporting spring (26) has been cup jointed in the outside of drive block (24), the right side fixedly connected with lagging (27) of supporting spring (26), the right side fixedly connected with push rod (28) of lagging (27), the right side fixedly connected with reset spring (29) of push rod (28).

2. The adjustable height bump-proof dining chair for children as claimed in claim 1, wherein: threaded holes are formed in the lifting block (9) and the angle block (10), and the two threaded holes are opposite in rotating direction.

3. The adjustable height bump-proof dining chair for children as claimed in claim 1, wherein: the angle block (10) is connected with the sliding block (2) through a connecting rod.

4. The adjustable height bump-proof dining chair for children as claimed in claim 1, wherein: the inner wall of the rotating wheel (16) is provided with a ratchet.

5. The adjustable height bump-proof dining chair for children as claimed in claim 1, wherein: and a rack is fixedly connected to the left side of the piston (21).

6. The adjustable height bump-proof dining chair for children as claimed in claim 1, wherein: the gear (22) is connected with the push rod (28) through a transmission rope.

7. The adjustable height bump-proof dining chair for children as claimed in claim 1, wherein: the sleeve plate (27) is movably connected with the table top plate (25) through a transmission rod.

8. The adjustable height bump-proof dining chair for children as claimed in claim 1, wherein: the push rod (28) is connected to the inner part of the bracket rod (23) in a sliding mode.