CN202335644U - Underframe folding device of folding baby bed - Google Patents

Abstract

The utility model relates to an underframe folding device of a folding baby bed. The underframe folding device comprises a center seat constituted by an upper joint, a lower joint, a push plate, an intermediary piece, a soft mesh belt and other parts, as well as two pairs of underframe pipes which are in movable connection with the upper joint and the lower joint and form a crossed X shape, wherein the intermediary piece is matched with the upper joint and the lower joint for forming an adjusting structure for adjusting the angle between the two pairs of underframe pipes, and the soft mesh belt, the push plate, a mortise, a tenon, a spring and other parts are matched with the upper joint and the underframe pipes connected with the upper joint for constituting a control mechanism for unfolding, locking, unlocking and folding. The locking and unfolding mode of the design is simple, when an underframe is locked, the angle between the two pairs of underframe pipes can be directly adjusted, and spaces for excessive operation and misoperation can be avoided during the whole process.

Description

A kind of underframe folding mechanism of collapsible Children

Technical field

The utility model relates to the transformation of Child's bed, i.e. a kind of underframe folding mechanism of collapsible Children.

Background technology

Children is the virgin articles for use of a kind of important baby.Baby child is in Children or game play, or sleep has a rest and all have sufficient space, and the virgin safety of baby can fully be ensured.Children is given birth to children to the head of a family and has been alleviated burden and brought facility.

For reducing space hold and transportation and mobile convenience, collapsible when not using is the indispensable function of at present general Children.In collapsible Children, its underframe basic model is the vertical tube that an end of four underframe pipes connects four jiaos of Childrens separately, and the other end is movably connected on centre mount respectively.Under the Children user mode, four underframe pipes are X shape level and intersect, and realize the complete folding of four underframe pipes through the operation of centre mount.Like Chinese patent 200720186221.8 (designers: Luo Jixi); Its two secondary underframe pipe (2 underframe pipes during horizontal development on same straight line are an alleged pair) is connected to end centre mount; When discharging rotating pull handle and pressing down centre mount; Turn-knob makes mechanism be in the expansion lock-out state under acting force of the spring, and the front end face that be located at the block of a secondary underframe tube end this moment is blocked by the periphery of knob, has realized the locking of underframe deployed condition; When handle rotates to when limited, mention handle centre mount raised, this moment the rotation round emaciated face from the front end face of block, two secondary underframe pipes get into releasing processes, under the gravity effect, realize folding entirely.This project organization is comparatively complicated, and operation handle folding or that launch is an outstanding hard object for another example, causes underframe pipe and centre mount not in a plane.

In present general folding Children; Angle between the two secondary underframe pipes is one-time fixed (like above-mentioned No. 200720186221.8 Chinese patents etc.) with centre mount (articulation joint); So the collapsible Children of different specification size need dispose the centre mount of different angles; Promptly under the identical situation of centre mount tactic pattern, production firm need produce and lay in the plurality of specifications centre mount.

Summary of the invention

The utility model task provides a kind of underframe folding mechanism of novel collapsible Children, making things convenient for Children folding and when launching, can also Direct Transform two secondary underframe pipes between angle.

The utility model technical scheme: a kind of underframe folding mechanism of collapsible Children; Comprise upper joint, hypozygal, two secondary underframe pipes, a ground duct member; Upper joint, hypozygal constitute centre mount; Two secondary underframe pipes and centre mount are the X cross-like and flexibly connect; 2 of a secondary underframe pipe two ends that are movably connected on upper joint respectively wherein; To vertically downward between the folded state, riveted and fixed is with it inserted behind the center short tube of hypozygal in the upper end of a ground pipe at the horizontal development state for 2 two ends that are movably connected on hypozygal respectively of another secondary underframe pipe, the scope of activities of underframe pipe; Its special feature is: also include mediplate and cooperate the angle adjustment structure that forms between the two secondary underframe pipes with upper joint, hypozygal: the meta hole of the centre bore of mediplate and hypozygal is by the rivet cross-under, four jiaos of mediplate with fixing riveted joint of upper joint middle part cylinder; The folding controlling organization of expansion the locking and unlocking that 2 underframe pipes that also include push pedal, soft ribbon, 2 trips, 2 parts such as spring cooperation upper joints and connecting are formed: push pedal is positioned at upper joint middle part cylinder cavity; Two circular holes of push pedal are sleeved on 2 guide pillars in the cavities in the upper joint respectively; The soft ribbon of cross-under push pedal be upward through upper joint in narrow-minded hole; The rivet that trip side generatrix direction opening is riveted underframe pipe and upper joint crosses, and spring is between rivet that crosses and trip end.

It is hollow that the following bottom at upper joint middle part has the one deck that is equivalent to mediplate thickness, in the combination of centre mount, fixedly to hold mediplate.

The afterbody of trip side generatrix direction opening is provided with the slot section.

The number of assembling steps of the utility model:

1, described soft ribbon is sewed up after passing two narrow holes in the push pedal, and soft ribbon continues across the narrow hole of upper joint end face meta, and two circular holes of push pedal are packed into 2 guide pillars in the cavities in the upper joint respectively;

2, the centre bore of the central aperture hypozygal of mediplate, rivet pass said two holes and realize the hinged of mediplate and hypozygal;

3, mediplate is fitted in bottom surface, upper joint middle part; And 4 rivet positions passing through to be symmetrically distributed are with both riveteds; Thereby with the push pedal shutoff in the cavity at upper joint middle part; Realized that also hypozygal and the indirect of upper joint are connected, this moment, the cylinder of upper joint meta was contained in the U type groove of hypozygal meta;

4,2 underframe pipes are riveting in the two ends of upper joint respectively, 2 underframe pipes are movable with respect to the two ends of upper joint, and scope of activities is between horizontal attitude to vertical attitude;

5, the order underframe pipe that is riveting in the upper joint end is positioned at vertical attitude, and packed into the trip lateral opening of spring of inner chamber is aimed at the rivet that connects underframe pipe and upper joint and firmly compressed into;

6, an end of other 2 underframe pipes is hinged with rivet with the end of hypozygal respectively;

7, the upper end be will manage with propping up hypozygal bottom centre's short tube and riveted and fixed inserted;

8, the other end (outer end) of 4 underframe pipes is flexibly connected with the mullion of four jiaos of Childrens respectively.

The operation of the utility model:

1. in the whole expansion process of Children, push centre mount downwards and make a pipe lower end, ground touch ground, the utility model is that full expand gets into user mode;

2. in Children foldable integral process, upwards mention soft ribbon, 4 underframe pipes are because the self gravitation effect is accomplished folding.

The operation principle of the utility model:

1. be in the deployed condition desire when folding when the utility model; The operator mentions soft ribbon; The push pedal that soft ribbon connects is along moving on the guide pillar in the cavities in the upper joint, and going up of cavities pushed up in arriving at upper joint, in this process; The domatic arc shaped surface that is supporting the trip end that pastes from bottom to top at push pedal two ends; Promote trip and in the underframe pipe, shrink back (the riveting axle on trip and the underframe pipe relatively moves, and the riveting axle is in the state that crosses the trip both-side opening all the time), make the trip end break away from fully with upper joint in the middle part of the contacting of column side face; Being original upper joint middle part column side face is able to cancel to the compacting of trip end, and the underframe pipe is followed whole folding of Children and folded under the deadweight effect.Especially, because the riveting shaft diameter that crosses the trip lateral opening is suitably greater than the slot spacing of trip lateral opening, the trip of this moment can be because of moving or vibrations not come off from the underframe pipe.When the utility model was in folded state desire expansion use, the integral body that is accompanied by folding Children was launched, because the outer end of each underframe pipe is flexibly connecting the mullion of four jiaos of Childrens respectively; When the operator pushes centre mount downwards; Bottom, two the trip outer ends cambered surface upper joint middle part column side face that nuzzles up, trip is shunk in the underframe pipe by the side pushing, and the spring in the trip is compressed; When the underframe pipe at trip place is up to the standard attitude; The elastic force that is compressed spring discharges and promotes, and two trips make trip outer end upper side plane section pushed down by upper joint middle part column side face all to the center displacement of upper joint middle part cylinder; Thereby realization is connected in the locking of 2 underframe pipe levels of upper joint, and promptly the deployed condition of Children underframe is locked.2. under the utility model is in deployed condition, because mediplate is embedded in the hollow of bottom, upper joint middle part and by riveted and fixed, and hypozygal serves as that axle can rotate with respect to mediplate with the rivet of center, and promptly hypozygal is rotatable with respect to upper joint.3. under the utility model was in deployed condition, the lower end kiss the earth was managed on a ground, the action pulse when bearing the infant's on the Children base plate weight and playing recreation.

The design has the locking of succinct Children underframe pipe and launches mode of operation, in the locking underframe, with can directly the adjusting of angle between the two secondary underframe pipes, does not produce the space of excessive operation and maloperation.The design's parts are less, reliable in structure, use are simple and easy, and guarantee the virgin personal safety of baby.

Description of drawings

Fig. 1 has been equipped with the Children bed frame of the utility model

The part of Fig. 2 Fig. 1: the expansion user mode of the utility model

Fig. 3 centre mount audio-visual picture

The handstand of upper joint among Fig. 4 Fig. 3

The handstand of hypozygal among Fig. 5 Fig. 3

Fig. 6 push pedal audio-visual picture

Fig. 7 mediplate audio-visual picture

Fig. 8 trip audio-visual picture

Fig. 9 partial view: the position relation of underframe pipe and upper joint

Figure 10 the utility model folded state

The specific embodiment

Embodiment is in conjunction with the application's embodiment and description of drawings.

See Fig. 1, a kind of underframe folding mechanism of collapsible Children comprises the centre mount that upper joint 1, hypozygal 2 etc. are formed, an end and centre mount are that the X cross-like flexibly connects, the other end respectively with four underframe pipes 3 of four jiaos of mullions of Children, 91 flexible connections.Fig. 2 is that amplify the part of Fig. 1, and Fig. 3 is simplifying of Fig. 2.

Push pedal 4 shown in Figure 6 has 2 narrow holes 41, after the soft ribbon 5 that passes from 2 narrow holes 41 successively (walking around 2 beams between the narrow hole) passes the narrow hole 11 of upper joint 1 end face meta again, with soft ribbon 5 flush stitchings, sees shown in Figure 3.

Comparison diagram 4 is visible with the upper joint 1 among Fig. 2,2 guide pillars 12 is arranged, 1 guide pillar 12 of two circular holes, 42 each fit in the push pedal 4 (Fig. 6) in upper joint 1 middle part is cylindrical; The hole, 4 angles 61 of hard mediplate 6 shown in Figure 7 is fixed with void column 13 riveteds at upper joint 1 middle part, and in Fig. 3, mediplate 6 constitutes unified plane with the bottom surface of upper joint 1.

See Fig. 5, hypozygal 2 middle parts are provided with short tube 21, and short tube 21 back riveted joints (referring to Fig. 2, Fig. 1) are inserted in the upper end of a ground pipe 7.Prop up ground pipe 7 lower end kiss the earths, when Children was organized work, the part of infant's weight was managed 7 by a ground and is passed to ground.

Referring to and comparison diagram 2 and Fig. 9, especially, 2 underframe pipes 3 are riveting in upper joint 1 two ends respectively, the scope of activities of underframe pipe 3 at horizontal development state (showing) like Fig. 2 to vertically downward between the folded state (showing) like Figure 10.Referring to Fig. 8, trip 8 ends are downwards an arc shaped surface 81, and the part beyond trip 8 ends is the open column shape body, and column side symmetric position has two openings 82 of generatrix direction, and the afterbody of opening 82 is provided with slot section 83.Referring to Fig. 8 and Fig. 9, the riveted axle 92 of upper joint 1 and underframe pipe 3 is between trip 8 ends and afterbody slot section 83 (crossing trip 8), and a compression spring (not drawing among the figure) has been enclosed in the cavity between riveted axle 92 and trip 8 ends in advance.

In expansion user mode shown in Figure 2, push pedal 4 is owing to deadweight drops on the mediplate 6.When staff upwards spurs soft ribbon 5; Push pedal 4 by soft ribbon 5 cross-under is up along the guide pillar in the cavities in the upper joint 1 12; The inclined-plane 43 at push pedal 4 two ends paste respectively the arc shaped surface 81 that is supporting two trip 8 ends continue to promote trips 8 in underframe pipe 3, shrink back (trip 8 ends to riveted axle 92 near; Be that the interior spring of trip 8 cavitys is compressed); Withdraw from the state of being pushed down by the side elevation 14 of upper joint 1 middle part cylinder until trip 8 end upper side planes 84, then support tube 3 by the position transition among Fig. 2 to state shown in Figure 9, be converted to state shown in Figure 10.Thereby accomplish the folding of the utility model.

With reference to figure 6 and Fig. 4, Fig. 5.In Fig. 3; Four jiaos of mediplate 6 by the middle part bottom surface of riveted and fixed in upper joint 1, and mediplate 6 is affixed on the middle part of hypozygal 2, and short rivet passes the centre bore 62 of mediplate 6 from top to bottom and the meta hole 211 of hypozygal 2 end faces is connected mediplate 6 with hypozygal 2; Thereby hypozygal 2 relative upper joints 1 can horizontally rotate (vice versa); Be that the utility model can be adjusted the angle (referring to Fig. 2) between the two secondary underframe pipes 3, and adjustment amount is not less than 10 °, maximum can reach 90 °.(implication of angle adjustment amount is between the two secondary underframe pipes: relative another persons' in the two secondary underframe pipes rotatable amount).

Fig. 9: upper joint 2 middle parts have been gone to the bottom one hollow 15, and hollow 15 thickness is equivalent to the thickness of mediplate 6.

On trip 8 side generatrix direction openings 82; The effect of its afterbody slot section 83 is: when the position relation of underframe pipe 3 and upper joint 1 by Fig. 2 be changed to Fig. 9, when being changed to Figure 10 again; Because afterbody slot section 83 spacings are slightly smaller than riveted axle 92 (being rivet) diameter, so trip 8 (also comprise and be contained in its inner spring) can not come off from the end of underframe pipe 3.By the same token in the installation of trip 8, need firmly be compressed into when lateral opening 82 is aimed at riveted axle 92.

When the whole desire of Children is launched the downward pushing of use centre mount; Carrying the underframe pipe 3 of trip 8 and the position of upper joint 1 concerns from Figure 10, state shown in Figure 9 in the transition process of Fig. 2, state shown in Figure 1; The arc shaped surface 81 of trip 8 ends continues descending along the side elevation 14 of (support and paste) upper joint 1 middle part cylinder, the spring of trip 8 internal cavities constantly is compressed, during to the complete level of underframe pipe 3 and upper joint 1; Compressed spring discharges rapidly; Make 2 trips 8 all rush at the center of upper joint 1, then trip 8 ends are suppressed by the side elevation 14 of upper joint 1 middle part cylinder, thereby the deployed condition of the utility model is by positive lock.

In addition, mediplate 6 is a cold drawing stamping parts or ABS moulding, is excellent with stamping parts.

Claims (3)

1. the underframe folding mechanism of a collapsible Children; Comprise upper joint, hypozygal, two secondary underframe pipes, a ground duct member; Upper joint, hypozygal constitute centre mount; Two secondary underframe pipes and centre mount are the X cross-like and flexibly connect, 2 of a secondary underframe pipe two ends that are movably connected on upper joint respectively wherein, 2 two ends that are movably connected on hypozygal respectively of another secondary underframe pipe; The scope of activities of underframe pipe at the horizontal development state to vertically downward between the folded state; Riveted and fixed is with it inserted behind the center short tube of hypozygal in the upper end of ground pipe, it is characterized in that: also include mediplate and cooperates the angle adjustment structure that forms between the two secondary underframe pipes with upper joint, hypozygal: the meta hole of the centre bore of mediplate and hypozygal is by the rivet cross-under, four jiaos of mediplate with upper joint in the middle part of cylinder fix and rivet; The folding controlling organization of expansion the locking and unlocking that 2 underframe pipes that also include push pedal, soft ribbon, 2 trips, 2 parts such as spring cooperation upper joints and connecting are formed: push pedal is positioned at upper joint middle part cylinder cavity; Two circular holes of push pedal are sleeved on 2 guide pillars in the cavities in the upper joint respectively; The soft ribbon of cross-under push pedal be upward through upper joint in narrow-minded hole; The rivet that trip side generatrix direction opening is riveted underframe pipe and upper joint crosses, and spring is between rivet that crosses and trip end.

2. the underframe folding mechanism of a kind of collapsible Children according to claim 1 is characterized in that: it is hollow that the following bottom at upper joint middle part has the one deck that is equivalent to mediplate thickness.

3. the underframe folding mechanism of a kind of collapsible Children according to claim 1, it is characterized in that: the afterbody of trip side generatrix direction opening is provided with the slot section.

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