CN100456997C

CN100456997C - Dining chair for children

Info

Publication number: CN100456997C
Application number: CNB2006100529699A
Authority: CN
Inventors: 徐银昌
Original assignee: GROUP OF NINGBO SHENGMA CO Ltd
Current assignee: GROUP OF NINGBO SHENGMA CO Ltd
Priority date: 2006-08-11
Filing date: 2006-08-11
Publication date: 2009-02-04
Anticipated expiration: 2026-08-11
Also published as: CN1907181A

Abstract

The invention discloses a child dining chair, which consists of four-pin post and child chair, wherein the dish is put in front of chair, which connects chair through fixing part and moves along chair; the upper end of support rack connects through rotary knuckle within button; the button resists gear and spring with gear chucking knuckle; the fixing part connects chair through rivet, which contains blocking groove; back pin of chair is transverse the blocking groove.

Description

A kind of children dinning chair

Technical field

The invention belongs to articles for children manufacturing technology field, particularly a kind of children dinning chair.

Background technology

Children dinning chair is that children play, learn to have a meal and convenience is the common tool of children's feeding.Existing children dinning chair comprises forward and backward pin pipe, seat and service plate, and service plate is fixedly connected on the front foot pipe top, and seat is fixedly connected between forward and backward pin pipe.Concerning existing children dinning chair, its structure part that comes with some shortcomings.One, can't draw close or open between the forward and backward pin pipe of dining chair, it is big to take up room when idle; Though two, use for convenient, some seats children dinning chair moving up and down has also appearred, complex structure, operation is inconvenient, and can't regulate the angle of inclination of seat, incompatibility children's various sitting postures and use; In addition, the service plate of children dinning chair can't adjust and seat between distance, be unfavorable for the use when children have a dinner.So be necessary the structure of existing children dinning chair is improved and innovated, to overcome the shortcoming that exists in the prior art.

Summary of the invention

But the objective of the invention is to disclose the children dinning chair that a kind of easy to operate many places are regulated.

Technical scheme of the present invention is as follows: a kind of children dinning chair, comprise four heel brace framves, and children's seat provided thereon, the seat front portion is provided with puts the service plate of putting canteen, and service plate is connected with seat by the service plate fixture, with seat up-down adjustment together; Support is rotationally connected by the joint of upper end, establishes button in the joint, button roof pressure gear and spring, and gear blocks mutually with the internal tooth in joint; Seat is by the rivet seat fixture that is rotationally connected, and the seat fixture is provided with the gear groove, and the backrest pin of seat is horizontally placed on the gear groove of seat fixture.

Described children dinning chair, the service plate fixture is provided with the gear hole, establishes a positioning rod in the service plate lid and matches with the gear hole.

Described children dinning chair, the spike of support lower end are Universal castor, and spike is provided with the runner brake member.

Described children dinning chair, a Non-slip material is established in the service plate below.

Four heel brace framves of the present invention are collapsible, and the height of both adjustable bed rearrangement chair also can reduce children dinning chair and take up room when idle; Seat can be adjusted up and down and the adjusting at angle of inclination, to adapt to the best sitting posture of children.

Service plate of the present invention can pull, to adjust the distance between service plate and seat, help children more comfortable when being listed as, be convenient to use.

Four spikes of the present invention are Universal castor, and establish the runner brake member, only need carry out when mobile, and are not only laborsaving but also convenient; Stable state when the runner brake member can keep Universal castor static, thus make children dinning chair be in stable state.

Non-slip material of the present invention can prevent that the children that are seated on the seat from skidding off forward, strengthens the security of children dinning chair.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the E portion enlarged drawing of Fig. 1.

Fig. 3 is the F portion enlarged drawing of Fig. 1.

Fig. 4 is the A-A cutaway view of Fig. 1.

Fig. 5 is the B-B cutaway view of Fig. 1.

Fig. 6 removes the C of service plate loam cake to view for Fig. 1.

Fig. 7 is that the D-D of Fig. 6 is to view.

Fig. 8 is the G portion enlarged drawing of Fig. 1.

Fig. 9 is a spike cutaway view of the present invention.

In the diagram, the 1-wheel body, the 2-rivet, the 3-packing ring, the 4-rivet, the 5-wheel, the 6-wheel cap, the 7-pin that brakes, the 8-brake lever, the 9-vertical shaft, 10-vertical shaft fixture, 11-leg loam cake, 12-leg lower cover, the 13-screw, 14-gets a foothold, 15-rear foot decoration, the 16-spring leaf, the 17-rear foot, the 18-split washer, the 19-packing ring, the 20-spring, 21-backrest regulating part, the 22-pull bar, the 23-backrest is regulated handle, the 24-seat, 25-backrest shift finger, the 26-rivet, the 27-rivet, 28-rear foot joint, 29-decides safety plate, the 30-secondary spring, the 31-rivet, 32-insures bluff piece, 33-forward foot in a step joint, 34-moves safety plate, the 35-rivet, the 36-screw, 37-service plate fixture, 38-service plate loam cake, 39-service plate lower cover, the 40-Non-slip material, the 41-rivet, the 42-spring, 43-height regulating part, 44-seat fixture, 45-pedal connector, the 46-forward foot in a step, 47-forward foot in a step decoration, 48-service plate gripper shoe, 49-service plate backstay, the 50-rivet, the 51-handle, the 52-spring, the 53-screw, the 54-packing ring, the 55-spring, the 56-button, the 57-rivet, the 58-spring, the 59-gear, 60-forward foot in a step open slot, 61-gear groove, 62-gear hole, the 63-screw, the 64-rivet, the 65-screw.

The specific embodiment

Below in conjunction with accompanying drawing the embodiment of the invention is elaborated.

As shown in Figure 1, 2, seat 24 the place aheads are pedal connector 45, and pedal connector 45 is by screw 36 connecting pin pedals 47, and pedal 47 is used to put the both feet of putting from the children on seat 24.The forward foot in a step 46 lower ends 14 are connected by spring leaf 16 with getting a foothold, junction overcoat forward foot in a step decoration 47, get a foothold 14 lower ends by screw 13 fixedly connected leg lower covers 12, underfooting lid 12 is fixed into one with pin loam cake 11, and vertical shaft fixture 10 passes pin loam cake 11, and by screw 63 it is fixedlyed connected with pin loam cake 11, vertical shaft 9 stretches in the vertical shaft fixture 10, vertical shaft 9 connects wheel bodys 1, wheel body 1 wheel 5 that is rotationally connected, wheel 5 peripheral hardware wheel caps 6.The rear foot 17 14 is connected by spring leaf 16 with getting a foothold, the sheathed rear foot decoration 15 in junction, and spike structure partly in lower end is identical with the spike structure of forward foot in a step lower end.

Seat fixture 44 is set on outside the forward foot in a step 46 pipes, and seat 24 is riveted together by two place's rivets 27,64 and packing ring and seat fixture 44, and seat 24 can rotate around the rivet 27 of below; Seat fixture 44 belows are riveted together with height regulating part 43 with rivet 41 and packing ring 3, are placed with spring 42 between seat fixture 44 and the height regulating part 43, and seat fixture 44 and height regulating part 43 can rotate around rivet 41.Establish three open slots 60 in the forward foot in a step 46, the upper surface that height regulating part 43 contacts with open slot takes the form of inclined plane, height regulating part 43 stretches in the open slot 60, and can not break away from open slot 60 by the elastic force effect of spring 42, thereby seat fixture 44 is positioned in the forward foot in a step 46.

Catch seat 24 also upwards to turn an angle, driving height regulating part 43 simultaneously upwards rotates around rivet 41, height regulating part 43 overcomes the active force of spring 42 until breaking away from forward foot in a step open slot 60, at this moment, move down seat fixture 44, enter next forward foot in a step open slot 60 until height regulating part 43, height regulating part 43 resets under the effect of spring 42 restoring forces and stretches in the forward foot in a step open slot 60, thereby locking seat fixture 44, realization seat 24 is regulated downwards.

Upwards spur seat 24 along the forward foot in a step 46 directions, drive simultaneously seat fixture 44 and the height regulating part 43 also move up, after the open slot notch of the forward foot in a step 46 is run on the inclined-plane of height regulating part 43, the active force that overcomes spring 42 upwards rotates around rivet 41, after height regulating part 43 breaks away from open slot 60, continue upwards pulling seat chair 24, when height regulating part 43 enters the last open slot 60 of the forward foot in a step, under the effect of spring 42, height regulating part 43 automatically reset and stretch into the last open slot 60 of the forward foot in a step, pin seat fixture 44, realize that seat 24 is to adjusted.

Seat 24 is riveted together by rivet 27,64 and packing ring and seat fixture 44, and seat 24 can rotate around the rivet 27 of below.Pull bar 22 upper ends are loaded onto backrest and are regulated handle 23, and penetrate in 24 liang of side flangings of seat; Pull bar 22 lower ends are overlapped the packing ring 19 of packing into, spring 20, backrest regulating part 21, packing ring 19 successively, and backrest regulating part 21 is placed in outside the spring 20, and pressing spring 20, and pull bar 22 terminal card upper shed back-up rings 18 are equipped with backrest regulation stall pin 25 in backrest adjusting 21; Seat fixture 44 is provided with three gear grooves 61, and backrest shift finger 25 is horizontally placed in the gear groove 61.

The pulling backrest is regulated handle 23, the active force that interlock pull bar 22 makes backrest regulating part 21 overcome spring 20 moves upward, the gear groove 61 of the backrest shift finger 25 clear off the seat fixtures 44 on backrest regulating part 21, meanwhile, catch seat 24 to rotate, seat 24 unclamps backrest and regulates handle 23 after rivet 27 is pivotally lowered into the appropriate location, backrest regulation stall pin 25 resets to seat fixture 44 next gear groove 61 under the effect of spring 20, the realization seat is regulated downwards.

Catch seat 24 to push away to the front upper place, the active force that backrest regulation stall pin 25 overcomes spring 20 along the gear groove 61 of seat fixture 44 by square groove down upward groove move, when seat 24 upwards turns to a last gear around rivet 27, backrest regulating part 21 resets under the effect of spring 20, thereby the horizontal position of going into a gear groove on the seat fixture 44 of backrest shift finger 25 realizes that seat is to adjusted.

Shown in Fig. 3,4, the forward foot in a step 46 upper ends connect moving safety plate 34 and forward foot in a step joint 33 by rivet 35, the rear foot 17 upper ends connect by rivet 26 decides safety plate 29, insurance bluff piece 32 and rear foot joint 28, moving safety plate 34 is placed in to be decided outside the safety plate 29, decide insurance place 29 along laterally opening a chute, an end of moving safety plate 34 screw that is spirally connected, screw is inserted in the chute of deciding safety plate 29 and can be slided along groove, like this, moving safety plate 34 can and be decided 29 of safety plates at insurance bluff piece 32 and horizontally slips.The spring 58 of in rear foot joint 28, packing into, gear 59 pressing springs 58,

pin joint

33,28 before and after secondary spring 30 withstands, with rivet 57 and packing ring 19 forward foot in a step joint 33 and rear foot joint 28 are riveted together, the button 56 of in forward foot in a step joint 33, packing into, button 56 contact gears 59, gear 59 blocks mutually with forward foot in a step joint 33 internal tooths.

Push button 56, make gear 59 overcome the active force of spring 58 and in rear foot joint 28, move, break away from fully until the internal tooth of gear 59 with forward foot in a step joint 33, before,

rear foot joint

33,28 can relatively rotate, at this moment, before the direction that comes closer is rotated,

rear foot joint

33,28, before,

rear foot joint

33,28 overcome the active force of secondary spring 30, until suitable position, release button 56 then, and gear 59 ejects to forward foot in a step joint 33 under the restoring force effect of spring 58, block mutually with the internal tooth in forward foot in a step joint 33 again after gear 59 resets, thereby pin joint before and after pinning, folding before and after finishing between pin.

Push button 56, make gear 59 overcome the active force of spring 58, gear 59 moves in rear foot joint 28, break away from fully until gear 59 and forward foot in a step joint 33 internal tooths, before,

rear foot joint

33,28 just can relatively rotate, at this moment, before outwards rotating,

rear foot joint

33,28, before,

rear foot joint

33,28 under the active force of secondary spring 30, the front and back pin outwards after rivet 57 outwards turns to correct position, release button 56, gear 59 ejects under the effect of spring 58 to forward foot in a step joint 33, after resetting, blocks mutually by gear 59 with the internal tooth in forward foot in a step joint 33, thus pin joint before and after pinning, opening between pin before and after realizing.

Shown in Fig. 5,6,7, service plate fixture 37 is connected with seat fixture 44 by screw 65, is provided with three square gear holes 62 in the middle of the service plate fixture 37, and rivet 50 and packing ring are with service plate backstay 49 and handle 51 riveted joints; Fix with screw 53 and packing ring 54 after loading onto spring 52, handle 51 in the service plate lower cover 39, above handle 51, press a spring 55, service plate lower cover 39 belows connect Non-slip material 40, put into service plate gripper shoe 48 backs in the service plate lower cover 39 and with screw 53 service plate loam cake 38 are connected with lower cover 39.

To shake hands 51 to push to service plate loam cake 38 directions, overcome the active force of spring 55, the handle 51 protrusion flange that pull the position enter in the service plate lower cover 39, thereby removed the locking of handle, the pulling handle, overcome the active force of spring 52, relying on the handle 51 skewed slot to drive service plate backstay 49 moves to the centre, service plate backstay 49 leaves the square gear hole 62 on the service plate fixture 37, this moment, mobile service plate was to the appropriate location, unclamp handle then, to shake hands 51 to reset under the effect of spring 52, skewed slot drives service plate backstay 49 and outwards moves and enter in the square gear holes 62 on the service plate fixture 37 on the handle, and handle 51 pulls the square opening that service plate lower cover 39 is ejected at the position under the effect of spring 55, pin the position of service plate on service plate fixture 37, thereby the drawing and pulling type of realizing service plate is regulated.

Shown in Fig. 8,9, be inserted in the wheel body 1 vertical shaft 9 lower ends, and wheel body 1 can rotate around vertical shaft 9; Brake lever 8 is fixed on the wheel body 1 by rivet 4 and packing ring 3, and wheel body 1 is in the middle of two wheels 5, and two wheels 5 are rotationally connected with the both sides of wheel body 1 by rivet 2 and packing ring 3, and the rib of wheel 5 protrudes, and wheel body 1 also is provided with wheel cap 6, and wheel cap 6 is covered on the wheel 5.Brake pin 7 on the brake lever 8 is also fixing by rivet 4 and packing ring 3, and protrude to the both sides wheel at the two ends of brake pin 7.On wheel body 1, establish a chute, slide up and down for brake pin 7.

Wheel body 1 can rotate around vertical shaft 9 any directions, thereby wheel 5 also can rotate on any direction ground.As want wheel 5 arbitrarily not roll, and promptly being in stationary state, press brake lever 8 this moment, and to lower slider, lock wheel 5 and protrude in the space of rib, thereby pin wheel 5 by the two ends protrusion of brake pin 7 along the wheel body chute for the brake pin 7 that protrude at two ends; As will be mobile the time, brake lever 8 upwards to be carried, brake pin 7 also upwards slides along the wheel body chute thereupon, and the two ends of brake pin 7 are protruded and are broken away from wheel 5 and protrude outside the space of ribs, thereby have removed wheel 5 lockings, and can conveniently carry out moving this moment.

Claims

1, a kind of children dinning chair comprises four heel brace framves, and children's seat provided thereon is characterized in that: the seat front portion is provided with puts the service plate of putting canteen, and service plate is connected with seat by the service plate fixture, with seat up-down adjustment together; Support is rotationally connected by the joint of upper end, establishes button in the joint, button roof pressure gear and spring, and gear blocks mutually with the internal tooth in joint; Seat is by the rivet seat fixture that is rotationally connected, and the seat fixture is provided with the gear groove, and the backrest pin of seat is horizontally placed on the gear groove of seat fixture.

2, children dinning chair according to claim 1 is characterized in that: the service plate fixture is provided with the gear hole, establishes a positioning rod in the service plate lid and matches with the gear hole.

3, children dinning chair according to claim 1 is characterized in that: the spike of support lower end is a Universal castor, and spike is provided with the runner brake member.

4, children dinning chair according to claim 1 is characterized in that: a Non-slip material is established in the service plate below.