CN208064926U - A kind of baby bedstead fast folded - Google Patents

Abstract

The utility model is related to infanette technical fields, more particularly to a kind of baby bedstead fast folded, including plugging tube piece, tripper, stay tube part, first linkage, long handrail group, short handrail group and the second linkage, the locking mechanism is connected with tripper, the locking mechanism being connected with tripper is additionally provided in the plugging tube piece, the structure design of the utility model is reasonable, single stage is carried out to infanette by the tripper of setting and lifts folding, the first linkage and the second linkage cooperation tripper link simultaneously, not only folding polyvinyl chloride, carry convenient in carrying, and clamping stagnation can be avoided, the generation of wear phenomenon, two lock construction also further improves the safety and stability of baby bedstead, improve the integrally-built practicability of baby bedstead.

Description

A kind of baby bedstead fast folded

Technical field

The utility model is related to infanette technical field more particularly to a kind of baby bedsteads fast folded.

Background technology

Infanette is essential special class furniture in the family for possess baby, and the purpose is to baby can possess more The sleep of comfortable safety and the environment of an activation.Baby bedstead in the prior art is complicated, when carrying out folding, not only receives Step is more when conjunction, the larger carrying inconvenient to carry of volume after converting into, and is easy to there is a phenomenon where clamping stagnation, abrasion, More trouble is caused to user, reduces the performance of baby bedstead.

Utility model content

The utility model for baby bedstead in the prior art it is complicated, it is inconvenient to carry carry, fold step it is more, It is fast to provide a kind of simple in structure, single stage folding, folding process for the shortcomings that clamping stagnation, wear phenomenon are easy to happen during folding The small generation for being convenient for carrying carrying, avoiding catching phenomenon, safe and practical baby carriage frame after prompt, folding.

In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：

A kind of baby bedstead fast folded, including plugging tube piece, be arranged on plugging tube piece tripper, with plugging tube piece end The vertically disposed stay tube part in portion, the first linkage and stay tube part that are arranged in stay tube part Yu plugging tube piece junction are connected Long handrail group, with long handrail group vertically disposed short handrail group and be arranged in long handrail group and short handrail group second Device is moved, the locking mechanism being connected with tripper, the locking mechanism and tripper are additionally provided in the plugging tube piece It is connected, the locking mechanism forms two lock constructions with tripper.

As preferred：The tripper includes handle assemblies and the limit disk body part being connected with handle assemblies, The limit disk body part includes the disk cover for being evenly equipped with the disk body of spacing slotted eye and being connected with disk body, the plugging tube piece and institute State spacing slotted eye mating connection, the lower part of the disk body is also associated with firm pipe, the outer wall of the firm pipe be evenly equipped with it is described The connection card holder of plugging tube piece coordination hinge.

As preferred：The disk body includes the circular body for being arranged with interior step surface, is arranged in the middle part of circular body Fixed body and the arc limit slot being arranged on fixed body, the spacing slotted eye are distributed on circular body at least provided with six On, the fixed body lower end is fixedly connected with the insertion pipe being connected with the firm pipe, and the locking mechanism withstands described Step surface.

As preferred：The handle assemblies include lifting piece and the limited post that is connected with lifting piece, the limit Limit otic placode is arranged on column, the middle part of the limited post is equipped with the cooperation pipe being connected with fixed body, the position-limiting ear Plate withstands the locking mechanism.

As preferred：The plugging tube piece includes folding pipe, being symmetricly set on round master in circular body arranged in a crossed manner Support tube on body and it is arranged in the balance pipe for folding bottom of the tube, the balance pipe and the junction for folding pipe are equipped with activity Button, the balance pipe are at least divided into three sections and are connected respectively by the movable button and balance pipe, the end of the balance pipe It is connected with card holder is connect.

As preferred：The locking mechanism includes and folds the spacer pin of pipe internal engagement connection and be arranged in spacer pin The first interior spring, described fold are additionally provided with positioning pin in pipe, the positioning pin, the limit are withstood in the end of the spacer pin The one end for selling remotely located pin is equipped with the between outer land terrace that setting is contradicted with the interior step surface cooperation, first spring one end top The other end of firmly bottom in spacer pin, first spring withstands positioning pin.

As preferred：First linkage includes linkage rack, is arranged in the first jacking block for folding tube end and sets The second jacking block in stay tube part is set, there are gap, first jacking blocks and second between first jacking block and the second jacking block Jacking block is arranged in the linkage rack, and first jacking block is additionally provided with positioning column, first top with the junction for folding pipe Second spring is also associated in block, the positioning column is withstood in described second spring one end, and the other end of the second spring is withstood The inner wall of first jacking block is connected with traction rope on second jacking block, and parted hair block will be additionally provided on the traction rope to be drawn It restricts the short section that is divided into the length section being connected with long handrail group and is connected with short handrail group, is additionally provided in the linkage rack The internal plug seat being connected with stay tube part, the one end of the balance pipe far from connection card holder and linkage rack internal engagement are hinged.

As preferred：Second linkage includes the adjustable shelf being arranged in long handrail group, is arranged in adjustable shelf Connecting cylinder, the third spring being arranged in connecting cylinder and the limit being arranged far from adjustable shelf one end fits with the connecting cylinder Part, the connecting cylinder is interior to be equipped with the limit shaft being connected with the long handrail group, and the third spring withstands the limit shaft, The locating part is connected with adjustable shelf, and the connecting cylinder is connected with traction rope.

As preferred：The stay tube part includes tube and is arranged in bootstrap block of the tube far from linkage rack end, The bootstrap block includes block, is arranged in block the first track groove, the second rail with the setting of the first track groove arc-shaped transition Road slot and the assembly inside groove being arranged in bootstrap block, the tube are inserted into the assembly inside groove, first track groove with Long handrail group is correspondingly arranged, and second track groove is correspondingly arranged with short handrail group.

The utility model advantageous effect：The structure design of the utility model is reasonable, by the tripper of setting to baby Youngster's bed carries out single stage and lifts folding, while the first linkage and the second linkage cooperation tripper link, no Only folding polyvinyl chloride, carrying convenient in carrying, and the generation of clamping stagnation, wear phenomenon can be avoided, two lock construction The safety and stability for further improving baby bedstead improves the integrally-built practicability of baby bedstead.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the tripper decomposition diagram of the utility model.

Fig. 3 is the locking mechanism decomposition diagram of the utility model.

Fig. 4 is also the tripper decomposition diagram of the utility model.

Fig. 5 is the body structure decomposition diagram of the utility model.

Fig. 6 is the first linkage decomposition diagram of the utility model.

Fig. 7 is the strut member decomposition diagram of the utility model.

Fig. 8 is the second linkage decomposition diagram of the utility model.

Fig. 9 is the folding process schematic of the utility model.

Figure 10 is 4 structural schematic diagram of the embodiments of the present invention.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Described convenient for description the utility model and simplifying, do not indicate or imply the indicated equipment or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

Description of the drawings：1, plugging tube piece；2, tripper；3, stay tube part；4, the first linkage；5, long handrail group；6, short Handrail group；7, the second linkage；8, locking mechanism；9, spacer pin；10, between outer land terrace；11, the first spring；12, positioning pin； 13, handle assemblies；14, disk body part is limited；15, lifting piece；16, limited post；17, otic placode is limited；18, cooperation pipe；19, disk body； 20, spacing slotted eye；21, disk cover；22, pipe is consolidated；23, card holder is connected；24, circular body；25, interior step surface；26, fixed body； 27, insertion pipe；28, arc limit slot；29, tube；30, bootstrap block；31, linkage rack；32, parted hair block；33, the first jacking block； 34, positioning column；35, second spring；36, the second jacking block；37, traction rope；38, adjustable shelf；39, connecting cylinder；40, limit shaft；41, Inner cylinder；42, third spring；43, locating part；44, pipe is folded；45, support tube；46, balance pipe；47, movable button；48, the first support Pipe；49, the second stay tube；50, expanded support fixing device.

Embodiment 1

As shown in Fig. 1 to Fig. 5 and Fig. 9, a kind of baby bedstead fast folded, including plugging tube piece 1, setting are in plugging tube piece 1 On tripper 2, with the stay tube part 3 of 1 end vertical of plugging tube piece setting, be arranged the of stay tube part 3 and 1 junction of plugging tube piece One linkage 4, the long handrail group 5 being connected with stay tube part 3, with the vertically disposed short handrail group 6 of long handrail group 5 and set The second linkage 7 in long handrail group 5 and short handrail group 6 is set, is additionally provided in the plugging tube piece 1 and coordinates with tripper 2 The locking mechanism 8 of connection, the locking mechanism 8 are connected with tripper 2, the locking mechanism 8 and the formation of tripper 2 Two lock constructions carry out single stage to infanette by the tripper 2 of setting and lift folding, while the first linkage 4 and second linkage 7 coordinate tripper 2 to link, not only folding polyvinyl chloride, carry convenient in carrying, but also can The generation of clamping stagnation, wear phenomenon, two lock construction is avoided also to further improve the safety and stability of baby bedstead, Improve the integrally-built practicability of baby bedstead.

In the present embodiment, the tripper 2 includes handle assemblies 13 and the limit with the mating connection of handle assemblies 13 Disk body part 14, the limit disk body part 14 includes the disk for being evenly equipped with the disk body 19 of spacing slotted eye 20 and being connected with disk body 19 Lid 21, the plugging tube piece 1 are connected with the spacing slotted eye 20, and the lower part of the disk body 19 is also associated with firm pipe 22, institute The outer wall for stating firm pipe 22 is evenly equipped with connection card holder 23 with 1 coordination hinge of the plugging tube piece, pass through the firm pipe 22 with even The mating connection of card holder 23 is connect, the stability of baby bedstead can be improved, the connection of the plugging tube piece 1 and spacing slotted eye 20 can Ensure when being folded to baby bedstead, ensures the fluency in 1 active procedure of plugging tube piece, avoid clamping stagnation etc. bad existing As.

In the present embodiment, the disk body 19 includes the circular body 24 for being arranged with interior step surface 25, setting in circle master The fixed body 26 at 24 middle part of body and the arc limit slot 28 being arranged on fixed body 26, the spacing slotted eye 20 is at least provided with six A to be distributed in circular body 24,26 lower end of the fixed body is fixedly connected with the insertion pipe being connected with the firm pipe 22 27, the locking mechanism 8 withstands the interior step surface 25 and can prevent that automatic retracting occurs in baby bedstead softened state Phenomenon, the security risk for avoiding baby from being generated in play activity in bed, the arc limit slot 28 can be to limiting otic placode 17 Moving position limited, ensure the normal moving process of baby bedstead, the fixed body 26 passes through described with firm pipe 22 Insertion pipe 27 is connected, and is in order to ensure that firm pipe 22 can be connect by connecting card holder 23 with plugging tube piece 1, to improve baby The balance of bedstead entirety, the circular body 24 may be alternatively provided as it is rectangular or other suitable for realize structure setting purpose shape ?.Preferably, it selects the more convenient assembly of circular body 24 and uses；The arc limit slot 28 may be alternatively provided as it is rectangular or its He suitable for realize structure setting purpose shape.Preferably, select arc limit slot 28 can preferably with limit otic placode 17 are coordinated, and the efficiency of baby bedstead folding is improved.

In the present embodiment, the handle assemblies 13 include lifting piece 15 and the limited post with the mating connection of lifting piece 15 16, limit otic placode 17 is arranged on the limited post 16, the middle part of the limited post 16 is equipped with and fixed body 26 is connected Cooperation pipe 18, the limit otic placode 17 withstands the locking mechanism 8, and the lifting piece 15 is preferably tied using the street of gloves ring Structure be arranged, facilitate by human hand be inserted in to baby bedstead carry out lifting fold, the limit otic placode 17 is strutted in baby bedstead In the state of resist the inner wall of the fixed body 26, when needing to carry out folding to baby bedstead, rotated by lifting piece 15 solid Determining body 26 drives limit otic placode 17 to be rotated into arc limit slot 28, while the between outer land terrace 10 of locking mechanism 8 is detached from fixed body 26 interior step surface 25 improves safety and the durability of baby bedstead to unlock second lock mechanism.

In the present embodiment, the plugging tube piece 1 includes folding pipe 44, being symmetricly set in circular body 24 arranged in a crossed manner Support tube 45 in circular body 24 and it is arranged in the balance pipe 46 for folding 44 bottom of pipe, the balance pipe 46 and folds pipe 44 Junction be equipped with movable button 47, the balance pipe 46 is at least divided into three sections and matched respectively by the movable button 47 and balance pipe 46 Connection is closed, the end of the balance pipe 46 is connected with card holder 23 is connect, and the support tube 45 passes through activity with balance pipe 46 The connection of button 47 can be good at being balanced stabilization to baby bedstead, prevents baby bedstead from tilting and security risk occurs, by institute The flexibility that balance pipe 46 is set as three sections or multistage can improve balance pipe 46 is stated, in the process for carrying out folding to baby bedstead Middle raising folding efficiency.

In the present embodiment, the locking mechanism 8 include and fold 44 internal engagement of pipe connection spacer pin 9 and setting exist The first spring 11 in spacer pin 9, described fold are additionally provided with positioning pin 12 in pipe 44, the end of the spacer pin 9 is withstood described Positioning pin 12, one end of 9 remotely located pin 12 of the spacer pin are equipped with the between outer land for coordinating with the interior step surface 25 and contradicting setting Bottom in spacer pin 9 is withstood in terrace 10, described first spring, 11 one end, and the other end of first spring 11 withstands positioning pin 12, the locking mechanism 8 is symmetrically arranged at least provided with one group in spacing slotted eye 20, and 9 one end of the spacer pin is folding It is positioned by positioning pin 12 in pipe 44,9 other end of spacer pin is coordinated by the interior step surface 25 of between outer land terrace 10 and fixed body 26 Positioning, improves the safety of pulling apparatus, the first spring 11 in the spacer pin 9 is arranged by withstanding in spacer pin 9 Positioning pin 12, to hold out against fixed body 26, to folding the mating connection of spacer pin 9 and fixed body 26 when pipe 44 folds or breaking It opens, by the flexible realization of the first spring 11 to the action process of unlock or the locking of locking mechanism 8, improves locking mechanism 8 Stability.

When needing baby bedstead folding, the lifting piece 15 rotates fixed body 26 and drives limit otic placode 17 the present embodiment It is rotated into arc limit slot 28, while the between outer land terrace 10 of spacer pin 9 is detached from fixed body under the action of the first spring 11 26 interior step surface 25, described at this time to fold pipe 44 and do not stress, the pull-up of lifting piece 15, which is folded the linkage of pipe 44, to be moved upwards, and is balanced The cooperation of pipe 46 folds the linkage of pipe 44, realizes the releasing process of tripper 2.

Embodiment 2

As shown in fig. 6, first linkage 4 includes linkage rack 31, is arranged in the first jacking block for folding 44 end of pipe 33 and the second jacking block 36 for being arranged in stay tube part 3, there are gaps between first jacking block, 33 and second jacking block 36, described First jacking block 33 and the second jacking block 36 are arranged in the linkage rack 31, first jacking block 33 and the junction for folding pipe 44 It is additionally provided with positioning column 34, second spring 35 is also associated in first jacking block 33,35 one end of the second spring is withstood described Positioning column 34, the other end of the second spring 35 withstand the inner wall of first jacking block 33, are connected on second jacking block 36 There is traction rope 37, parted hair block 32 is additionally provided on the traction rope 37, traction rope 37 is divided to length to be connected with long handrail group 5 Section and the short section being connected with short handrail group 6, are additionally provided with the interpolation being connected with stay tube part 3 in the linkage rack 31 Hole, the one end of the balance pipe 46 far from connection card holder 23 is hinged with 31 internal engagement of linkage rack, and first jacking block 33 passes through Positioning column 34 is located by connecting with pipe 44 is folded, while the positioning column 34, second bullet are withstood in described 35 one end of second spring The other end of spring 35 withstands the inner wall of first jacking block 33, and the first jacking block is driven to fold pipe 44 when ensureing that infanette is equivalent 33 in linkage rack 31 proper motion, pipe 44 is folded after tripper 2 is unlocked, described in drive and is moved upwards, while institute It states the first jacking block 33 and moves downwardly to and withstand the second jacking block 36, the movement of the second jacking block 36 times, with the folding of tripper 2, the The movement of one jacking block 33 is detached from the second jacking block 36, then gradually with folding pipe 44 far from the first jacking block 33,36 return of the second jacking block, into And the traction rope 37 is driven to pull downward on, the cooperation linkage of the second linkage 7 is pulled, long handrail group 5 and short handrail group 6 are driven Corresponding folding action is carried out to baby bedstead bottom end by linkage rack 31, ensures the normal folding to baby bedstead, improves the The practicability of one linkage 4.

Embodiment 3

As shown in Fig. 7 to Fig. 8, second linkage 7 includes the adjustable shelf 38 being arranged in long handrail group 5, setting Connecting cylinder 39 in adjustable shelf 38, the third spring 42 being arranged in connecting cylinder 39 and with the connecting cylinder 39 far from activity The locating part 43 of 38 one end fits of frame setting, the connecting cylinder 39 is interior to be equipped with the limit shaft being connected with the long handrail group 5 40, the third spring 42 withstands the limit shaft 40, and the locating part 43 is connected with adjustable shelf 38, the connecting cylinder 39 It is connected with traction rope 37, the limited post 16, the other end of the third spring 42 are withstood in described 42 one end of third spring The inner wall of the locating part 43 is withstood, the flexible connection in connecting cylinder 39 of the locating part 43 improves the linkage of connecting cylinder 39, The purpose that the locating part 43 contradicts setting with connecting cylinder 39 can ensure that 5 middle part of long handrail group is protected under infanette softened state Card upwarps slightly, improves the mobility of device, also can play the role of support to connecting cylinder 39, coordinates in the second linkage 7 When first linkage 4 links, connecting cylinder 39 is pulled to be detached from locating part 43, long handrail group 5 and short handrail group 6 by traction rope 37 It does not stress, then long handrail group 5 and short handrail group 6 are respectively on the basis of adjustable shelf 38, to the folding of baby bedstead lower end.

In the present embodiment, the stay tube part 3 includes tube 29 and is arranged in tube 29 far from 31 end of linkage rack Bootstrap block 30, the bootstrap block 30 include block, be arranged in block the first track groove, with the first track groove arc-shaped transition The second track groove being arranged and the assembly inside groove being arranged in bootstrap block 30, the tube 29 are inserted into the assembly inside groove, First track groove is correspondingly arranged with long handrail group 5, and second track groove is correspondingly arranged with short handrail group 6, described The setting of bootstrap block 30 is on the one hand to carry out guiding installation to long handrail group 5 and short handrail group 6, to which position be fixedly mounted It sets；On the other hand the position that traction rope 37 can be limited, to improve the folding efficiency of baby bedstead.

It is needing to strut infanette in use, the lifting piece 15 is pushed, then rotation fixed body 26 drives limit In the rotation disengaging arc limit slot 28 of otic placode 17, while the between outer land terrace 10 of spacer pin 9 is under the action of the first spring 11 and solid The interior step surface 25 for determining body 26 is connected, described at this time to fold the limit of 44 stress of pipe, and the cooperation of the balance pipe 46 folds pipe 44 Linkage limit, realizes the locking process of tripper 2, and pipe 44 is folded after tripper 2 is unlocked, described in drive and is transported downwards It is dynamic, while first jacking block 33 moves to withstand the second jacking block 36 again, the second jacking block 36 moves up, with tripper 2 strut, and the movement of the first jacking block 33 is detached from the second jacking block 36, again with folding pipe 44 far from the second jacking block 36, the first jacking block 33 It is repositioned to and folds in pipe 44,36 return of the second jacking block, and then the traction rope 37 is driven to pull back playback, pull second to link The cooperation linkage of device 7, drives long handrail group 5 to carry out corresponding folding on the basis of respectively by adjustable shelf 38 to short handrail group 6 dynamic Make, 37 return of traction rope, locating part 43 carries the connecting cylinder 39, long handrail group 5 and short 6 stress of handrail group, guarantee pair again The normal of baby bedstead struts process.

Embodiment 4

As shown in Figure 10, the stay tube part 3 may be configured as multigroup, and single stay tube part 3 can be arranged as required into multistage, side Just baby bedstead is folded, expanded support fixing device 50, the expanded support fixing device 50 is equipped between the adjacent stay tube part 3 Including the first stay tube 48, with the first stay tube 48 second stay tube 49 arranged in a crossed manner and setting in the first stay tube 48 and the second stay tube The closing device of 49 junctions, the closing device packet reels disk, is arranged and is reeling trapezoidal jack in disk and setting is being received The limited block received on disk, first stay tube, 48 and second stay tube 49 are arranged in the trapezoidal jack, the limiting block For block respectively against first stay tube, 48 and second stay tube 49, first stay tube, 48 and second stay tube 49 is active section pipe. After strutting baby bedstead, since the space operation amount that the space of the position of stay tube part 3 itself limits often baby is smaller, pass through The disk that reels pulls first stay tube, 48 and second stay tube 49 outward, while in drawing process, first stay tube 48 and second stay tube 49 gradually broaden in trapezoidal jack, the support of the inner space of infanette is big, preferably optimizes baby bedstead Performance.

The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as Limitations of the present invention.

Claims (9)

1. a kind of baby bedstead fast folded, it is characterised in that：Including plugging tube piece, the tripper being arranged on plugging tube piece, With the stay tube part of plugging tube piece end vertical setting, the first linkage and stay tube in stay tube part and plugging tube piece junction are set The long handrail group and the vertically disposed short handrail group of long handrail group and be arranged in long handrail group and short handrail group that part is connected On the second linkage, be additionally provided with the locking mechanism being connected with tripper, the locking mechanism in the plugging tube piece It is connected with tripper.

2. a kind of baby bedstead fast folded according to claim 1, it is characterised in that：The tripper includes carrying Hand component and the limit disk body part being connected with handle assemblies, the limit disk body part includes the disk for being evenly equipped with spacing slotted eye Body and the disk cover being connected with disk body, the plugging tube piece are connected with the spacing slotted eye, and the lower part of the disk body is also It is connected with firm pipe, the outer wall of the firm pipe is evenly equipped with the connection card holder with the plugging tube piece coordination hinge.

3. a kind of baby bedstead fast folded according to claim 2, it is characterised in that：The disk body includes symmetrically setting There are the circular body of interior step surface, the fixed body being arranged in the middle part of circular body and the arc-shaped limit being arranged on fixed body Slot, the spacing slotted eye are distributed at least provided with six in circular body, the fixed body lower end be fixedly connected with it is described steady Gu the insertion pipe that pipe is connected, the locking mechanism withstand the step surface.

4. a kind of baby bedstead fast folded according to claim 2, it is characterised in that：The handle assemblies include carrying Draw piece and the limited post being connected with lifting piece, are arranged with limit otic placode on the limited post, in the limited post Portion is equipped with the cooperation pipe being connected with fixed body, and the limit otic placode withstands the locking mechanism.

5. a kind of baby bedstead fast folded according to claim 3, it is characterised in that：The plugging tube piece includes intersecting The support tube for folding pipe, being symmetricly set in circular body that is arranged in circular body and it is arranged and is folding the flat of bottom of the tube Weighing apparatus pipe, the balance pipe and the junction for folding pipe are equipped with movable button, and the balance pipe is at least divided into three sections respectively by described Movable button is connected with balance pipe, and the end of the balance pipe is connected with card holder is connect.

6. a kind of baby bedstead fast folded according to claim 5, it is characterised in that：The locking mechanism include with The first spring for folding the spacer pin of pipe internal engagement connection and being arranged in spacer pin, described fold are additionally provided with positioning in pipe The positioning pin is withstood in the end of pin, the spacer pin, and one end of the remotely located pin of spacer pin is equipped with and the interior step Face cooperation contradicts the between outer land terrace of setting, and first spring one end withstands bottom in spacer pin, first spring it is another Withstand positioning pin in end.

7. a kind of baby bedstead fast folded according to claim 5, it is characterised in that：The first linkage packet It includes linkage rack, be arranged in the first jacking block for folding tube end and the second jacking block being arranged in stay tube part, first jacking block There are gaps, first jacking block and the second jacking block to be arranged in the linkage rack between the second jacking block, first top Block is additionally provided with positioning column with the junction for folding pipe, and second spring, the second spring one are also associated in first jacking block The positioning column is withstood at end, and the other end of the second spring withstands the inner wall of first jacking block, connects on second jacking block Be connected to traction rope, be additionally provided on the traction rope parted hair block by traction rope be divided into the length section being connected with long handrail group and with The short section that short handrail group is connected is additionally provided with the internal plug seat being connected with stay tube part, the balance pipe in the linkage rack One end and linkage rack internal engagement far from connection card holder are hinged.

8. a kind of baby bedstead fast folded according to claim 7, it is characterised in that：The second linkage packet Include the adjustable shelf being arranged in long handrail group, the connecting cylinder being arranged in adjustable shelf, the third spring being arranged in connecting cylinder with And the locating part being arranged far from adjustable shelf one end fits with the connecting cylinder, interior be equipped with of the connecting cylinder assemble with the long handrail The limit shaft of connection is closed, the third spring withstands the limit shaft, and the locating part is connected with adjustable shelf, the connection Cylinder is connected with traction rope.

9. a kind of baby bedstead fast folded according to claim 7, it is characterised in that：The stay tube part includes main brace Manage and be arranged in bootstrap block of the tube far from linkage rack end, the bootstrap block includes block, be arranged in block One track groove, the second track groove being arranged with the first track groove arc-shaped transition and the assembly inside groove being arranged in bootstrap block, institute State tube and be inserted into the assembly inside groove, first track groove is correspondingly arranged with long handrail group, second track groove with it is short Handrail group is correspondingly arranged.