CN207821527U

CN207821527U - The bar group switching clamping mechanism of infant's support device

Info

Publication number: CN207821527U
Application number: CN201720480386.XU
Authority: CN
Inventors: 蔡东青
Original assignee: Guangdong Flying Industrial Co Ltd; Alpha Group Co Ltd; Guangdong Alpha Animation and Culture Co Ltd
Current assignee: Guangdong Flying Industrial Co Ltd; Alpha Group Co Ltd; Guangdong Alpha Animation and Culture Co Ltd
Priority date: 2017-05-02
Filing date: 2017-05-02
Publication date: 2018-09-07
Anticipated expiration: 2027-05-02

Abstract

The utility model discloses a kind of bar group of infant's support device switching clamping mechanisms, including：First revolving part, the second revolving part, lock piece, locking elastic component, operating parts, shackle member and buckling component.Lock piece is movable between lock position and unlocked position, when the second revolving part is located at any set angle, lock piece can move to lock position.Operating parts is movably located on the first revolving part, and shackle member is located between operating parts and lock piece.When second revolving part is located at set angle and the lock piece is located at unlocked position, the buckling component be interlocked with the shackle member, second revolving part deviate set angle and the lock piece be located at unlocked position when, the buckling component mutually threads off with the shackle member.Clamping mechanism is transferred, it can be achieved that one hand tears conjunction open according to the bar group of infant's support device of the utility model embodiment, and operation is easy.

Description

The bar group switching clamping mechanism of infant's support device

Technical field

The utility model is related to a kind of switchings of the bar group of infant's support device more particularly to infant's support device to fix Mechanism.

Background technology

The disclosed fitness stand designed for infant of the relevant technologies, when dismounting, usually requires both hands or double cooperation is complete At, but usually will appear parent in use and one hand is needed to have child in arms, a case where hand dismounts can only be vacated, these productions Product bring inconvenience to user.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model carries Go out a kind of bar group switching clamping mechanism of infant's support device, conveniently detachable bar group.

According to the bar group of infant's support device of the utility model embodiment switching clamping mechanism, including：First rotation Part；Second revolving part, second revolving part are rotatably connected on first revolving part；Lock piece, the lock piece It is movable between lock position and unlocked position, when second revolving part is located at any set angle, the lock piece Lock position is can move to, with the locking that fastens respectively with first revolving part and second revolving part, in activity to solution The lock piece is mutually unlocked with one in first revolving part and second revolving part when lock position；Locking elastic component, The locking elastic component is for often driving the lock piece activity to lock position；Operating parts, the operating parts are movably set On first revolving part；Shackle member, the shackle member are located between the operating parts and the lock piece, in the operation The shackle member pushes the lock piece activity to unlocked position when part activity；The fastening group being located on first revolving part Part, when second revolving part is located at set angle and the lock piece is located at unlocked position, the buckling component with it is described Shackle member is interlocked, when second revolving part deviates set angle and the lock piece is located at unlocked position, the fastening Component is mutually threaded off with the shackle member.

Clamping mechanism is transferred, it can be achieved that one hand is torn open according to the bar group of infant's support device of the utility model embodiment It closes, operation is easy.

In some embodiments, the shackle member is equipped with button hole, and second revolving part is equipped with and revolves around it axis The multiple gear blocks being arranged, the multiple gear block correspond to multiple set angles, and the buckling component, which has, is only against described the Abutting part on two revolving parts and the engaging portion being only against in the shackle member, are only against on the gear block in the abutting part And the lock piece, when being located at unlocked position, the head end of the engaging portion is extend into the button hole；It is only supported in the abutting part On the gear block and when the lock piece is located at lock position, the head end of the engaging portion stops the week for being against the shackle member On wall.

In a specific embodiment, the engaging portion is slidably disposed on the abutting part, and the buckling component is also Including elasticity of elongation part, the elasticity of elongation part is connected between the abutting part and the engaging portion.

Specifically, the shackle member is connected across second revolving part with the lock piece, between the multiple gear block It is separatedly located on the internal perisporium of second revolving part, is equipped with and extend at the neighbouring shackle member on first revolving part Snapping cover in second revolving part, the snapping cover are equipped with snapping and perforate and abut perforation；The buckling component is located at In the snapping cover, the head of the engaging portion is stretched out from snapping perforation place, and the tail portion of the abutting part is from the abutting It is stretched out in perforation.

In a specific embodiment, the multiple gear block gap is located on the end face of second revolving part with opening, The abutting part is movably arranged at along the direction of the rotation axis of second revolving part in the movable chamber, the abutting part The surface of the direction operating parts be formed with planing surface, it is described on the direction of the rotation axis towards second revolving part Planing surface extends towards the direction of the operating parts, and the engaging portion is slidably fit on the planing surface, the clamping It is sleeved in the engaging portion outside part.

Specifically, the buckling component includes：Snapping box and snapping elastic component, the snapping box cooperation is in the planing surface On, the side wall of the rotation axis far from second revolving part of the snapping box is equipped with perforation, the engaging portion and described Snapping elastic component is located in the snapping box, and the snapping elastic component is used to often drive the head of the engaging portion from the perforation Interior stretching.

Further, the abutting part is equipped with multiple the sliding of the rotation axis setting around second revolving part Face, each planing surface are equipped with the corresponding snapping box, the engaging portion and the snapping elastic component, at least two institutes It states and is connected with for the mutual elastic component that furthers between snapping box.

Specifically, bar group switching clamping mechanism further includes：With the retainer for keeping cover to be connected, the retainer is located at The buckling component to be limited in the holding cover between the shackle member and the buckling component.

Further, movable chamber, the movable chamber are limited between first revolving part and second revolving part It is interior equipped with the holding cover being connected with first revolving part, the holding covers on the open at one end towards the operating parts, described The peripheral wall of cover is kept to be equipped with to abut and perforate, the buckling component is located in the holding covers, and the head of the abutting part is from institute It states and is stretched out in abutting perforation, is sleeved on outside the lock piece on the holding cover, a part for the shackle member is slidably disposed in In the holding cover.

In some embodiments, second revolving part is configured to circular ring shape, and the lock piece and the operating parts are located at The both sides of second revolving part, the shackle member are connected across second revolving part with the lock piece.

In some embodiments, first revolving part is equipped with slide bar, and second revolving part is set around the slide bar It sets, is sleeved on the slide bar and can be equipped with along the sliding bar, the lock piece closing piece outside the lock piece, described first One of revolving part and second revolving part are equipped with matched more with the closing piece at different set angles A locked groove.

Specifically, the slide bar is more be spaced apart, and the lock piece is shaped as, and the lock piece, which is equipped with, to be divided Not Chuan Guo more slide bars the perforation of multiple slide bars.

The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description In become apparent, or recognized by the practice of the utility model.

Description of the drawings

The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment Become apparent and is readily appreciated that, wherein：

Fig. 1 is the storage form schematic diagram according to the fitness stand of the utility model embodiment；

Fig. 2 is the body-building form schematic diagram according to the fitness stand of the utility model embodiment；

Fig. 3 covers the process schematic of service plate lid when being the seat configuration according to the fitness stand of the utility model embodiment；

Fig. 4 is the seat configuration schematic diagram according to the fitness stand of the utility model embodiment；

Fig. 5 is the half chaise longue form schematic diagram according to the fitness stand of the utility model embodiment；

Fig. 6 is the assembled bottom view according to the supporting rack of the utility model one embodiment and two pedestals；

Fig. 7 is the partial exploded view of structure shown in Fig. 6；

Fig. 8 is the assembled bottom view according to the supporting rack of another embodiment of the utility model, backrest and two pedestals；

Fig. 9 is the partial exploded view of structure shown in Fig. 8；

Figure 10 is that Fig. 9 centre circles show the portions A enlarged drawing；

Figure 11 is assembled according to the supporting rack of another embodiment of the utility model, backrest and two pedestal use states Figure；

Figure 12 is supporting rack, backrest shown in Figure 11 and two pedestal receiving state installation diagrams；

Figure 13 is according to the supporting rack of the utility model further embodiment and two pedestal use state installation diagrams；

Figure 14 is the partial enlarged view of Figure 13；

Figure 15 is the external view when operating parts does not trigger according to first regulating mechanism of the utility model embodiment；

Figure 16 is external view of the first regulating mechanism shown in figure 15 when operating parts triggers；

Figure 17 is assembling relationship figure of the first regulating mechanism shown in figure 15 in section components；

Figure 18 is the exploded view in a direction of the first regulating mechanism shown in figure 15；

Figure 19 is the exploded view in another direction of the first regulating mechanism shown in figure 15；

Figure 20 is the sectional view of the first regulating mechanism shown in Figure 16；

Figure 21 is the external view according to the pedestal of the utility model embodiment, connecting rod and the second regulating mechanism；

Figure 22 is the exploded view in a direction of structure shown in Figure 21；

Figure 23 is the exploded view in another direction of structure shown in Figure 21；

Figure 24 is the sectional view of structure shown in Figure 21；

Figure 25 is the assembly relation on a direction of lock piece, connecting rod, buckling component and shackle member shown in Figure 22 Schematic diagram；

Figure 26 is that the assembly on another direction of lock piece, connecting rod, buckling component and shackle member shown in Figure 22 is closed It is schematic diagram；

Figure 27 is the partial enlarged view of the second revolving part shown in Figure 22；

Figure 28 is the assembly relation schematic diagram on another of buckling component and retainer direction shown in Figure 22；

Figure 29 is the assembly relation schematic diagram of buckling component shown in Figure 22；

Figure 30 is the sectional view of section components shown in Figure 21.

Reference numeral：

Fitness stand 1000,

Bar group transfer clamping mechanism 100, the first regulating mechanism 100a, the second regulating mechanism 100b,

First revolving part 110, axle housing 110a, lid shell 110b, opening 110c, shell 110d, inner casing 110e,

Movable chamber 111, exocoel 111d, inner cavity 111e, slide bar 112, outer latch fitting 113, tentacle 1131, card slot 1132, cylinder 1133, support tube 114, handle hole 115,

Second revolving part 120, gear block 121, locked groove 122, outer clasp 123, only slot 124, convex block 125, swingle 126,

Lock piece 130, closing piece 131, slide bar perforation 132, newel 133, pillar 134,

Operating parts 140, operating lever 141, shackle member 142, button hole 143, push away column 144,

Buckling component 150, abutting part 151, planing surface 1511, flange 1512, engaging portion 152, elasticity of elongation part 153, often To elastic component 154, snapping box 155, keep cover 156, retainer 157, slide hole 158,

Snapping cover 160, snapping perforation 161, abut perforation 162, vessel 163,

Stepped hole 171, rotary column 172,

Pedestal 200, kerve 210, jack 220, grab 230,

Connecting rod 300,

Service plate 400, music panel 410, service plate lid 420,

Backrest 500,

Supporting rack 600, inserted block 611, bayonet lock 612, shifting block 6121, through-hole 613, elastic clip 620, disconnects slot at clamping box 610 630, leading portion 631, stage casing 632, back segment 633, switching slot 640, shaft hole 641, crossbeam 650, solution lock section 660, rear cover 670,

Third regulating mechanism 700.

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.

Below with reference to Fig. 1-Figure 30 descriptions according to a kind of infant's support device of the utility model embodiment, so-called baby children Youngster's support device is general to be referred to being used to support infant and the devices of postures such as lies, sits, standing.In the utility model embodiment, carry And infant's support device be a kind of fitness stand 1000, fitness stand 1000 is used to support the body-building of infant, playful activity, when Right infant's support device may be other devices, such as chaise longue, seat tool, bed accessory, the vehicle tool that infant uses, and not make here Limitation.

According to the fitness stand 1000 of the utility model embodiment, as shown in Figures 2 and 3, including：Two pedestals 200, two Connecting rod 300, desktop 400, backrest 500 and supporting rack 600.Two pedestals 200 are arranged in same level at interval, and two A connecting rod 300 is arranged in a one-to-one correspondence with two pedestals 200, and the lower end of each connecting rod 300 is rotatably connected to accordingly The front end of pedestal 200.The both ends of desktop 400 are connect with the upper end of two connecting rods 300 respectively, and backrest 500 is formed as inverted U Shape, and the both ends of backrest 500 are rotatably connected to the rear end of two pedestals 200 respectively.The front end of supporting rack 600 is at least with one The rear end of a pedestal 200 is connected, and supporting rack 600 and two pedestals 200 are located in same level.

In the description of the present invention, it should be understood that term "center", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", The orientation or positional relationship of instructions such as " circumferential directions " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally Utility model and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with specific Azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, defining " first ", " second " Feature can explicitly or implicitly include one or more this feature.In the description of the present invention, unless otherwise Illustrate, the meaning of " plurality " is two or more.

In the utility model embodiment, fitness stand 1000 is folding fitness stand, there are two types of fitness stand 1000 can have Grown form, one kind is, using form, one kind being storage form.Some fitness stands 1000 can have multiple functions when in use, According to the difference of function, fitness stand 1000 using form also can there are many.

It, when in use can be by connecting rod since two connecting rods 300 and backrest 500 can be rotated relative to pedestal 200 300 and backrest 500 turn to respectively at position corresponding with the form of fitness stand 1000.For this purpose, in the utility model embodiment In, bar group switching clamping mechanism 100, bar group switching 100 structure of clamping mechanism are equipped between at least one pedestal 200 and backrest 500 Cause the locking backrest 500 when backrest 500 turns to setting backrest angle with respect to pedestal 200.Equally, at least one pedestal 200 Bar group switching clamping mechanism 100 is equipped between connecting rod 300, bar group switching clamping mechanism 100 is configured in 300 phase of connecting rod Locking connecting rod 300 when turning to setting bar angle to pedestal 200.

For ease of description, the bar group switching clamping mechanism 100 between backrest 500 and pedestal 200 is known as the first regulating mechanism 100a, the bar group switching clamping mechanism 100 between connecting rod 300 and pedestal 200 are known as the second regulating mechanism 100b.Below to scheme For a kind of 1- 1000 examples of fitness stand shown in fig. 5, the deformation function of the fitness stand 1000 in the presence of Liang Zhong mechanisms is described.

For the tool of fitness stand 1000 there are four types of change shape, Fig. 1 show the storage form of fitness stand 1000, Fig. 2 in the example It is shown the body-building form of fitness stand 1000, Fig. 4 show the seat configuration of fitness stand 1000, and Fig. 5 show fitness stand 1000 Half chaise longue form.

Wherein, as shown in Figure 1, connecting rod 300 and 200 general parallel orientation of pedestal, two connecting rods 300 in storing form Between two pedestals 200, for backrest 500 also with 200 general parallel orientation of pedestal, backrest 500 is folded in the top of pedestal 200.

As shown in Fig. 2, the upper end of two connecting rods 300 turns to the front side of two pedestals 200 in body-building form, connection In obtuse angle, the upper end of backrest 500 can be turned to the rear side of two pedestals 200, backrest 500 to angle between bar 300 and pedestal 200 With the substantially angle in obtuse angle of pedestal 200.

In seat configuration as shown in figure 4, connecting rod 300 and pedestal 200 generally vertically, backrest 500 is also big with pedestal 200 Body is vertical.

In half chaise longue form as shown in figure 5, connecting rod 300 and pedestal 200 generally vertically, the upper end of backrest 500 can turn Move the rear side to two pedestals 200, backrest 500 and pedestal 200 substantially angle in obtuse angle.Backrest 500 and pedestal 200 in Figure 5 Between angle be less than the angle in Fig. 2 between backrest 500 and pedestal 200.

Under above-mentioned four kinds of forms of fitness stand 1000, there are four angle positions with respect to the tool of pedestal 200 for backrest 500, this four A angle position is the setting backrest angle of backrest 500, it may also be said to which the first regulating mechanism 100a is at the angle for adjusting backrest 500 There are four gears for tool when spending.It is set under backrest angle at this four, backrest 500 can be locked at bottom by the first regulating mechanism 100a On seat 200.

Under above-mentioned four kinds of forms of fitness stand 1000, connecting rod 300 has with respect to pedestal 200 there are three angle position, this Three angle positions are the setting bar angle of connecting rod 300, it may also be said to which there are three shelves for tool when 300 angular adjustment of connecting rod Position.Under these three setting bar angles, connecting rod 300 can be locked on pedestal 200 by the second regulating mechanism 100b.

Such as in a specific example, in the case where storing form：Angle between desktop 400 and connecting rod 300 is 0 ° of left side The right side, the angle between connecting rod 300 and pedestal 200 are 0 ° or so, and the angle between backrest 500 and pedestal 200 is 0 ° or so；

Under body-building form：Angle between desktop 400 and connecting rod 300 is 90 ° or so, connecting rod 300 and pedestal 200 it Between angle be 150 ° or so, the angle between backrest 500 and pedestal 200 is 150 ° or so；

Under seat configuration：Angle between backrest 500 and pedestal 200 is 90 ° or so, connecting rod 300 and pedestal 200 it Between angle be 90 ° or so, the angle between desktop 400 and connecting rod 300 is 90 ° or so；

Under half chaise longue form：Angle between backrest 500 and pedestal 200 is 120 ° or so, desktop 400 and connecting rod Angle between 300 is 90 ° or so.

Certainly, according to the difference of the practical use of fitness stand 1000 in the utility model embodiment, connecting rod 300 is opposite The setting bar angle of pedestal 200 can be not limited to three above-mentioned angle positions, and connecting rod 300 can have more with respect to pedestal 200 Setting bar angle, each angle set between bar angle lower connecting rod 300 and pedestal 200 is not limited to above-mentioned angle value；Together Sample, backrest 500 can be not limited to four above-mentioned angle positions with respect to the setting backrest angle of pedestal 200, and backrest 500 is with respect to pedestal 200 can have more setting backrest angles, each angle set under backrest angle between backrest 500 and pedestal 200 unlimited In above-mentioned angle value.For convenience of description, hereafter aforementioned four setting is turned in backrest 500 with the first regulating mechanism 100a to lean on Locking backrest 500, the second regulating mechanism 100b are locked when connecting rod 300 rotates and sets bar angle to above three when dorsal horn is spent Only illustrated for connecting rod 300.

In some embodiments, as Figure 1-Figure 5, desktop 400 both ends respectively rotationally with two connecting rods 300 Upper end connection, between the upper end and desktop 400 of at least one connecting rod 300 be equipped with third regulating mechanism 700, third adjust machine Structure 700 is configured to the locking desktop 400 when desktop 400 turns to setting desktop angle with respect to connecting rod 300.In the example of Fig. 1 In, it stores desktop 400 under form and is arranged in parallel with respect to connecting rod 300, in the example of Fig. 2-Fig. 5, body-building form, seat shape Desktop 400 is vertically arranged with respect to connecting rod 300 under state, half chaise longue form.Under above-mentioned four kinds of forms of fitness stand 1000, table There are two angle positions with respect to the tool of connecting rod 300 for plate 400, the two angle positions are the setting desktop angle of desktop 400, It may be said that desktop 400 has in angular adjustment, there are two gears.Under the two setting desktop angles, third regulating mechanism 700 Desktop 400 can be locked in connecting rod 300.

In a specific example, as shown in figure 3, desktop 400 is the service plate of fitness stand, desktop 400 includes service plate lid 420 With music panel 410, service plate lid 420 is detachably arranged in music panel 410, and the both ends of music panel 410 are rotationally It is connected in two connecting rods 300.Wherein, as shown in Fig. 2, when fitness stand 1000 is in body-building form, service plate lid 420 is from sound It is removed on happy panel 410.As shown in Figure 1, Figure 4 and Figure 5, when fitness stand 1000 is in storage form, seat configuration and half chaise longue When form, service plate lid 420 is mounted in music panel 410.

Can foregoing description can be seen that the fitness stand 1000 according to the utility model embodiment, metamorphosis is various, can carry Use function, practicability stronger for infant is a variety of.And by the supporting role of supporting rack 600, when fitness stand 1000 uses not It easily overturns, securely and reliably.

Specifically still by taking Fig. 1-embodiments shown in fig. 5 as an example, fitness stand 1000 may be configured with sheet, at fitness stand 1000 When storage form shown in FIG. 1, sheet can be sleeved on backrest 500, pedestal 200, connecting rod 300, desktop 400 and backrest 500 Equal general parallel orientation setting, backrest 500 cover on sheet on desktop 400.

When fitness stand 1000 is in body-building form shown in Fig. 2, sheet can be covered on supporting rack 600, infant can It (is equivalent to and lies low on the ground) on the sheet lain on supporting rack 600, then trample music panel 410 with foot, U can also be held The backrest 500 of shape.

When fitness stand 1000 is in seat configuration shown in Fig. 3, sheet can be covered on backrest 500, infant can sit On ground between backrest 500, pedestal 200 and connecting rod 300, then lies prone and eat on desktop 400.

When fitness stand 1000 is in half chaise longue form shown in Fig. 4, sheet still covers on backrest 500, and infant can carry on the back Lean against the posture in semi-lying on sheet.

The structure composition of critical component in fitness stand 1000 is described below in conjunction with attached drawing.

In the embodiments of the present invention, fitness stand 1000 is in use, after the front end of supporting rack 600 and pedestal 200 End is connected, and supporting rack 600 and two pedestals 200 are located in same level, and such supporting rack 600 can increase connecing for pedestal 200 Ground length so that when using the seat configuration or half chaise longue form of fitness stand 1000, fitness stand 1000 will not be because of center of gravity Shakiness leads to situations such as overturning, and improves the safety that fitness stand 1000 uses.

Supporting rack 600 is movably connected on pedestal 200, and such supporting rack 600 can be unfolded on fitness stand 1000 Or storage.

In some embodiments, supporting rack 600 is detachably connected on pedestal 200, is stored in this way in fitness stand 1000 When, supporting rack 600 can be disassembled from pedestal 200；Fitness stand 1000 is in use, can pedestal be mounted on by supporting rack 600 again 200 rear end.In the utility model embodiment, structure type that supporting rack 600 is detachably connected on pedestal 200 has more Kind.

Such as in Fig. 6 and a specific example shown in Fig. 7, the both ends of supporting rack 600 are blocked by being clamped box 610 respectively Button is connected on pedestal 200.Wherein, the bottom of pedestal 200 is equipped with downward open kerve 210, and clamping box 610 snaps connection In kerve 210, in this way after supporting rack 600 is loaded onto, the bottom surface of supporting rack 600 can maintain an equal level with the bottom surface of pedestal 200.

Specifically, as shown in fig. 7, the side peripheral wall of kerve 210 is equipped with jack 220, clamping box 610, which is equipped with, is inserted into jack 220 inserted block 611, sets that there are two jacks 220 in Fig. 7 on the front side peripheral wall of kerve 210.

More specifically, as shown in fig. 7, being equipped with grab 230 in kerve 210, grab 230 is extend into clamping box 610, clamping Bayonet lock 612 and return unit (not shown) are equipped in box 610, bayonet lock 612 is movable between locking position and off card position, Bayonet lock 612 is matched with grab 230 when locking position is clamped box 610 to lock, bayonet lock 612 and grab 230 at off card position It is separated, return unit is connected to often to drive bayonet lock 612 to be moved towards locking position between clamping box 610 and bayonet lock 612, bayonet lock 612 have the shifting block 6121 for extending downwardly clamping box 610.Wherein, return unit is spring, and spring is located at the rear end of bayonet lock 612, should Spring is for often driving 612 forward slip of bayonet lock.

In this way, as shown in fig. 6, when to remove clamping box 610, shifting block can be stirred backward in the bottom of clamping box 610 6121, bayonet lock 612 is toggled it into off card position, such bayonet lock 612 is threaded off with grab 230.It will be clamped the inserted block of box 610 later It is transferred in 611 jack 220 from pedestal 200, clamping box 610 can be removed from pedestal 200.In installation supporting rack 600 When, then it needs first to be clamped the jack 220 on 611 inserted base 200 of inserted block of box 610, then will be clamped its remaining part of box 610 Divide by arriving in kerve 210, so that grab 230 is extend into clamping box 610, the gib head of grab 230 is made to be hooked on bayonet lock 612, to Bayonet lock 612 can block grab 230, and then be clamped the lock of box 610 on pedestal 200.

In this example, it is connected with crossbeam 650 between two clamping boxes 610, the end of crossbeam 650 is locked by screw in card It connects in box 610.

The supporting rack 600 of two clamping boxes 610, crossbeam 650 and U-shaped constitutes the rear support group of fitness stand 1000 in the example The end of part, crossbeam 650 and U-shaped supporting rack 600 is contained in two clamping boxes 610 and realizes and its clamping；Close to pedestal 200 clamping box 610 is provided with the through-hole 613 passed through for grab 230, and openings are provided with bayonet lock 612, and bayonet lock 612 can be front and back The clamping and disengaging with grab 230 are realized in sliding, to rear support component easy to disassemble and install；The clamping box 610 is the bottom of towards The surface of seat 200, that is, the upper surface for being clamped box 610 are provided with the groove with inclined-plane, which constitutes solution lock section mentioned below 660, it is acted on no longer being described in detail here.

In Fig. 8-another specific example shown in Fig. 10, supporting rack 600 is rotatably connected on pedestal 200, bottom Seat 200 is equipped with the elastic clip 620 for fixing supporting rack 600.

Specifically, the side wall toward each other of two pedestals 200 is equipped with and disconnects slot 630, each disconnects slot 630 and all has Leading portion 631, back segment 633 and stage casing 632, leading portion 631 and 633 time interval of back segment open up set and one of them downwards perforation pedestal 200, the Coupling Shaft of supporting rack 600 is disposed therein in another, and stage casing 632 is connected between leading portion 631 and back segment 633.

More specifically, fitness stand 1000 also includes rear support component in the example, which includes two rear covers 670, crossbeam 650, the supporting rack 600 of U-shaped and elastic clip 620.The supporting rack 600 of crossbeam 650 and U-shaped is integrally formed, and is socketed In on pedestal 200,620 one end of elastic clip is fixed on pedestal 200, and the other end clasps the supporting rack 600 of U-shaped.Firmly by U-shaped After supporting rack 600 is rotated by 90 °, by the supporting rack 600 of U-shaped along pedestal 200 be arranged it is U-shaped disconnect slot 630, can be taken off receiving It receives.When needing to load onto supporting rack 600, the Coupling Shaft of supporting rack 600 can be loaded onto along slot 630 is disconnected, then by supporting rack It after 600 are rotated by 90 °, firmly presses, supporting rack 600 is made to be clipped in elastic clip 620.

In further embodiments, supporting rack 600 is rotatably connected on pedestal 200, when fitness stand 1000 is stored, As shown in Figure 1,600 rotatable 180 degree of supporting rack, supporting rack 600 is accommodated in after rotating under pedestal 200.

In example as is illustrated by figs. 11 and 12, the bottom of two pedestals 200 is equipped with switching slot 640, two switching slots Shaft hole 641 is equipped on 640 side wall, supporting rack 600 is formed as U-shaped and the both ends of supporting rack 600 are inserted into shaft respectively In hole 641.In this example, switching slot 640 penetrates through pedestal 200 backward, and switching slot 640 also penetrates through forward pedestal 200, exists in this way When Figure 11 and Figure 12 two states, the bottom of supporting rack 600 is concordant with the bottom of pedestal 200, and supporting rack 600 will not occupy More volumes.In this embodiment, crossbeam 650 is connected between two pedestals 200.

In some embodiments of the utility model, supporting rack 600 is alternatively two, and one is connected on each pedestal 200 A rotatable or dismountable supporting rack 600.

In the example shown in Figure 13 and Figure 14, each supporting rack 600 is all formed as general U-shape, each pedestal 200 Bottom is all provided with there are two slot 640 of transferring, and two switching slots 640 are arranged in parallel, and shaft is equipped on the side wall of each slot 640 of transferring The both ends in hole 641, supporting rack 600 are inserted into respectively in shaft hole 641, are additionally provided in slot 640 of transferring for fixing supporting rack 600 Elastic clip 620.In this embodiment, crossbeam 650 is connected between two pedestals 200.

Certainly, in the above-described embodiments, in the embodiment of Figure 11-Figure 14, crossbeam 650 can be fixed by screws in two On a pedestal 200,650 both ends of crossbeam, which can also be clamped, to be connected on two pedestals 200.

In the utility model embodiment, the adjustable setting backrest angles of the first regulating mechanism 100a and the second adjusting The setting bar angle that mechanism 100b is adjusted can be collectively referred to as the set angle that bar group switching clamping mechanism 100 can be adjusted.Certainly, Bar group switching clamping mechanism 100 can also be applied in other infant's support devices, for when bar group rotates, realizing bar group It is fixed in the locking of set angle.

In the utility model embodiment, the setting of the first regulating mechanism 100a is leaned on for turning to setting in backrest 500 Dorsal horn can lock backrest 500 when spending, and the setting of the second regulating mechanism 100b is for when connecting rod 300 turns to setting bar angle Bar 300 can be locked and connected.The component of the two function phase energy will use identical title herein, hereafter will be respectively in connection with attached drawing Illustrate the structure and working principle of the first regulating mechanism 100a and the second regulating mechanism 100b.

The concrete structure of first regulating mechanism 100a is described below with reference to Figure 15-Figure 20.

In some embodiments, as shown in Figure 18-Figure 20, the first regulating mechanism 100a includes：First revolving part 110, Two revolving parts 120, lock piece 130, locking elastic component (not shown), operating parts 140 and shackle member 142.First revolving part 110 It is located at the rear end of pedestal 200, the top of the first revolving part 110 is equipped with opening 110c.

Second revolving part 120 is rotatably connected on the first revolving part 110, the first revolving part 110 and the second revolving part Movable chamber 111 is limited between 120.In Figure 15 and Figure 16, the second revolving part 120 is located in the first revolving part 110, the second rotation The periphery for turning part 120 is equipped with the swingle 126 stretched out from opening 110c to connect backrest 500.

Lock piece 130 is movably located between lock position and unlocked position in the first revolving part 110, in the second rotation Turn lock piece 130 when part 120 is located at any setting backrest angle and can move to lock position, lock piece 130 can be with the first rotation Part 110 and the second revolving part 120 fasten locking respectively, lock piece 130 and the second revolving part 120 in activity to unlocked position Mutually unlock.Locking elastic component is connected between the first revolving part 110 and lock piece 130, often to drive the activity of lock piece 130 to lock Stop bit is set.Operating parts 140 is movably located on the first revolving part 110, and operating parts 140 has the operation for stretching into movable chamber 111 Bar 141, shackle member 142 are located between operating lever 141 and lock piece 130, and in 140 activity of operating parts, shackle member 142 pushes lock Stop member 130 is movable to unlocked position.

That is, it is equipped with the second revolving part 120 being freely rotated within the scope of certain angle in the first revolving part 110, Lock piece 130 is additionally provided in first revolving part 110, lock piece 130 can be movable in the first revolving part 110, but lock piece 130 cannot rotate around the rotation axis of the second revolving part 120.Lock piece 130 is equivalent to bolt, when lock piece 130 is located at locking When position, it is equivalent to and is inserted between the first revolving part 110 and the second revolving part 120 there are one bolt so that the second revolving part 120 It cannot rotate；When lock piece 130 is located at unlocked position, it is equivalent to and extracts bolt out of second revolving part 120, at this time second Revolving part 120 can be freely rotated again.In addition, bolt can only be inserted at specific position, in this way, 120 ability of the second revolving part Locked by bolt at setting backrest angle.

Wherein, as shown in figure 18, operating parts 140 is movably arranged at the outside of the first revolving part 120, on operating parts 140 Operating lever 141 pass through the first revolving part 110 shell extend into movable chamber 111.Operating lever 141 is pushed away by shackle member 142 Dynamic lock piece 130, in fig. 20, shackle member 142 is integrally formed in operating lever 141, therefore operating parts 140 can pass through operating lever 141 push directly on lock piece 130.

When user's pressing operations part 140, operating parts 140 drives 130 activity of lock piece, lock piece by operating lever 141 130 can be moved to unlocked position by lock position, and the second revolving part 120 can turn to another setting backrest angle at this time Place；When unclamping operating parts 140, lock piece 130 can be reset to lock position under the elastic force of locking elastic component.

This first regulating mechanism 100a is simple in structure, easy to adjust, and reliability is high, and application is very wide.

Specifically, as shown in Figure 15, Figure 18 and Figure 19, the first revolving part 110 includes axle housing 110a and lid shell 110b, axle housing The opposite engagements of 110a and lid shell 110b form the movable chamber 111 for accommodating the second revolving part 120 and the first lock piece 130.Such as Shown in Figure 19 and Figure 20, lid shell 110b is provided with support tube 114, the formation of the second revolving part 120 on the inner wall of axle housing 110a For circular ring shape, the second revolving part 120 is sleeved on support tube 114 outside, and the partial outer edge of the second revolving part 120 is stuck in axle housing 110a At opening 110c between lid shell 110b, rotation fortune is done to which the second revolving part 120 is limited in the first revolving part 110 It is dynamic.

Wherein, lock piece 130 and operating parts 140 are located at the both sides of the second revolving part 120, the operating lever 141 of operating parts 140 It is connected with lock piece 130 across the center of the second revolving part 120.Locking elastic component is located at the separate operating parts 140 of lock piece 130 Side, locking elastic component is spring, and spring one end is connected on the first revolving part 110, and the other end, which is sleeved on shown in Figure 19, to be locked On the newel 133 of stop member 130, for lock piece 130 to be pushed towards the second revolving part 120.

In the example of fig. 20, operating parts 140 is movably arranged on axle housing 110a, and lock piece 130 is located at lid shell 110b And second between revolving part 120.Wherein, as shown in figure 18, the outer surface of axle housing 110a is equipped with handle hole 115, and operating parts 140 can It is contained in handle hole 115, operating lever 141 passes through the bottom wall of handle hole 115 to extend into the shell intracavitary of the first revolving part 110, props up It is sleeved in operating lever 141 outside stay tube 114.

Specifically, as shown in Figure 18-Figure 20, slide bar 112 is equipped in the first revolving part 110, the second revolving part 120 is around cunning Bar 112 rotates, and slide bar 112 is passed through from the centre bore of the second revolving part 120.First lock piece 130 is un-rotatably outer to be sleeved on cunning It can slide on bar 112 and along slide bar 112, locking elastic component often drives lock piece 130 to be slided towards the second revolving part 120.

Wherein, slide bar 112 is cylinder, and one section of slide bar 112 is located on axle housing 110a, and another section of slide bar 112 is located at On lid shell 110b, when axle housing 110a and lid shell 110b is engaged, two sections of slide bar 112 can be connected to a fixed by screw, To which axle housing 110a and lid shell 110b are fixed together.

Slide bar 112 is multiple, and slide bar 112 is four be spaced apart in Figure 17-Figure 19, and lock piece 130 is equipped with corresponding four Four slide bar perforation 132 spaced apart of root slide bar 112, therefore lock piece 130 will not rotate on slide bar 112, and more cunnings The support of bar 112 ensures that lock piece 130 has enough torsional strengths.

More specifically, as shown in Figure 18-Figure 19, lock piece 130 is equipped with closing piece 131, and the second revolving part 120 is equipped with At different setting backrest angles with the matched multiple locked grooves of closing piece 131 122.The lid shell 110b inner circumferentials of first revolving part 110 It is provided with and the matched multiple locked groove 122 of closing piece 13.Here for ease of distinguishing, as shown in figure 19, claim the second revolving part 120 Upper and 131 matched locked groove 122 of closing piece is the first locked groove 1221, and as shown in figure 18, claims the lid shell of the first revolving part 110 110b is upper and 131 matched locked groove 122 of closing piece is the second locked groove 1222.That is, when 131 part of closing piece is in the first locked groove In 1221, when a part is in the second locked groove 1222, the second revolving part 120 and the first revolving part 110 can not relatively rotate, and two Person is in lockup state；When closing piece 131 is completely into the second locked groove 1222, the second revolving part 120 can be relative to the first rotation Part 110 rotates, and the two is in the unlocked state.

In this example, since there are four set backrest angle, the quantity of the setting of locked groove 122 and position for the tool of backrest 500 Set to make the second revolving part 120 turn to this four setting backrest angle when, closing piece 131 can be inserted into locked groove 122. In Figure 19, lock piece 130 is formed as disc, and closing piece 131 is located on the periphery wall of lock piece 130, and the periphery of lock piece 130 Wall is equipped with multiple closing pieces 131 spaced apart.

The end face towards lid shell 110b of second revolving part 120 is formed with only slot 124, only the shape of slot 124 and lock piece 130 Shape is adapted, and is only formed with multiple locked grooves 122 of corresponding closing piece 131 on the inner wall of slot 124, between two neighboring locked groove 122 Part constitutes convex block 125.When locking elastic component pushes lock piece 130 towards the second revolving part 120, lock piece 130 is stuck in Only in slot 124, and only the backstop of the bottom wall of slot 124 plays position-limiting action to lock piece 130.

In some embodiments, as shown in Figure 17 and Figure 18, the first regulating mechanism 100a includes：It is located at the first revolving part Buckling component 150 on 110.

When the second revolving part 120 is located at any setting backrest angle and lock piece 130 is located at unlocked position, fastening group Part 150 is in complete buckling state with operating lever 141；

When the second revolving part 120 deviates any setting backrest angle and lock piece 130 is located at unlocked position, fastening group Part 150 is in the transition state threaded off with operating lever 141；

When the second revolving part 120 is located at any setting backrest angle and lock piece 130 is located at lock position, fastening group Part 150 is in trip status with operating lever 141.

Specifically, when backrest 500 is in a certain setting backrest angle, user can push operating parts 140 manually, make It obtains the second revolving part 120 and is located at the setting backrest angle, and lock piece 130 is located at unlocked position, buckling component 150 can live at this time It moves and 140 complete buckling state of operating parts.After being lockked operating parts 140 due to buckling component 150, even if there is locking elastic component Lock piece 130 is pushed, but lock piece 130 remains at unlocked position.At this point, the second revolving part 120 is in automatic rotation shape State, user can rotate backrest 500 with the hand of pressing operations part 140.

After backrest 500 just starts rotation, the second revolving part 120 deviates from above-mentioned setting backrest angle, buckling component 150 activities are in trip status to operating parts 140, but 130 upper locking piece 131 of lock piece is still only against the second rotation at this time On the convex block 125 of part 120, also just say that lock piece 130 is still within unlocked state at this time.

When be rotated further backrest 500 to another setting backrest angle when, i.e., when 130 upper locking piece 131 of lock piece reach with 122 matched position of locked groove on second revolving part 120, lock piece 130 can reply under the impetus of locking elastic component To lock position.Since operating parts 140 is connected on lock piece 130, operating parts 140 lock piece 130 drive next time Bullet.

What needs to be explained here is that gear block 121 is also to match setting with the position of the locked groove 122 of the second revolving part 120 , when the abutting part 151 of buckling component 150 is only against on the gear block 121 of the second revolving part 120, the lock on lock piece 130 Block 131 is just matched with the locked groove 122 of the second revolving part 120.

The setting of buckling component 150 it can be seen from above-mentioned design, usable family can one-hand fold backrest 500, and not Influence the multi gear position selection of 500 corner of backrest.

Specifically, as shown in Figure 18 and Figure 20, operating lever 141 is equipped with button hole 143, and the second revolving part 120 is equipped with ring Around multiple gear blocks 121 of rotation axis setting, multiple gear blocks 121 correspond to multiple setting backrest angles, and buckling component 150 has The engaging portion 152 for having the abutting part 151 being only against on the second revolving part 120 and being only against in operating lever 141.

When abutting part 151 is only against on gear block 121 and lock piece 130 is located at unlocked position, the head end of engaging portion 152 It extend into button hole 143；

When abutting part 151 deviates gear block 121 and lock piece 130 is located at unlocked position, the head end of engaging portion 152 only supports On the peripheral wall near button hole 143；

When abutting part 151 is only against on gear block 121 and lock piece 130 is located at lock position, the head end of engaging portion 152 It is only against on the peripheral wall of operating lever 141.

Since buckling component 150 is located on the first revolving part 110, buckling component 150 is on the first revolving part 110 General location is constant.The internal perisporium of second revolving part 120 is equipped with the gear block 121 of corresponding multiple setting backrest angles, whenever Second revolving part 120 turns at a setting backrest angle, and the tail end of abutting part 151 is only against on a gear block 121, when When second revolving part 120 is turned at another setting backrest angle, the tail end of abutting part 151 is only against another gear block On 121.

In a specific embodiment, as shown in Figure 18 and Figure 20, engaging portion 152 is slidably disposed on abutting part 151, Buckling component 150 further includes elasticity of elongation part 153, and elasticity of elongation part 153 is connected between abutting part 151 and engaging portion 152.This Kind structure may make that buckling component 150 is scalable in certain length range.

Specifically, buckling component 150 further includes often supporting elastic component 154, is often connected to the first revolving part to elastic component 154 Between 110 and abutting part 151, to ensure that abutting part 151 is only against on the internal perisporium of the second revolving part 120.

Wherein, as shown in figure 20, telescopic cavity is formed in the upper part of abutting part 151, the roof of telescopic cavity, which is equipped with, to be worn Hole, engaging portion 152 are located in telescopic cavity, and the top of engaging portion 152 is stretched out out of perforation.Engaging portion 152 is formed as bottom-open Tubular, elasticity of elongation part 153 is located in engaging portion 152 and is only against on abutting part 151.

Further, the first revolving part 110 is equipped with snapping cover 160, snapping cover 160 be located at axle housing 110a towards lid shell A part for the side of 110b, snapping cover 160 is extend into the second revolving part 120, and snapping cover 160 is equipped with snapping perforation 161 With abutting perforation 162.

Buckling component 150 is located in snapping cover 160, and the head of engaging portion 152 is stretched out from snapping perforation 161, abutting part From abutting, perforation 162 is interior to stretch out for 151 tail portion.

Specifically, the middle section of abutting part 151 is formed with flange 1512, and the bottom surface of abutting part 151 is formed as arcwall face, Often to elastic component 154 be formed as spring, on abutting part 151, one end of spring is stopped to be against on flange spring overcoat, spring it is another One end is only against on snapping cover 160.When operating parts 140 is pressed to the direction of lid shell 110b, snapping perforation 161 and operating lever Button hole 143 on 141 is just opposite, can be extend into button hole 143 to the top of engaging portion 152.

More specifically, as shown in figure 18, snapping cover 160 is equipped with for the perforation across two slide bars 112, snapping cover 160 hang on two slide bars 112, and the vessel for accommodating buckling component 150 is limited between snapping cover 160 and axle housing 110a 163。

In some embodiments, as shown in Figure 17, Figure 18 and Figure 20, the second revolving part 120 is equipped with outer clasp 123, the One regulating mechanism 100a further includes：Outer latch fitting 113 and external lock elastic component (not shown), outer latch fitting 113 are movably located at work In dynamic chamber 111, outer latch fitting 113 can match when towards 120 activity of the second revolving part with outer clasp 123, and outer latch fitting 113 has Stretch out the tentacle 1131 of the first regulating mechanism 100a, external lock elastic component be connected between outer latch fitting 113 and the first revolving part 110 with Often the outer latch fitting 113 of driving is detachably arranged in towards 120 activity of the second revolving part, supporting rack 600 on pedestal 200, supporting rack 600 Solution lock section 660 with being matched with tentacle 1131 to push outer latch fitting 113 to be detached from outer clasp 123.

The overall structure of first regulating mechanism 100a in one specific embodiment is described with reference to Figure 15-Figure 20 and Fig. 7 And motion process.

First regulating mechanism 100a includes：First revolving part 110, the second revolving part 120, operating parts 140 and outer latch fitting 113, as shown in figure 18, the inclined-plane with the groove match of clamping box 610 is provided on 113 times terminal tentacles of outer latch fitting 1131, outside 113 upper end of latch fitting is provided with card slot 1132, and 113 lower part of outer latch fitting is stretched out from the through-hole 231 of pedestal 200.

After supporting rack 600 is disassembled from fitness stand 1000, and external lock elastic component (it is not shown, it is set in outer latch fitting 113 On cylinder 1133) outer latch fitting 113 is pushed, enable the card slot 1132 of outer latch fitting 113 engage with the outer clasp 123 of the second revolving part 120, After engaging, the second revolving part 120 can not rotate.After upper support frame 600 are installed, be clamped the inclined-plane of the groove on box 610 with it is outer The inclined-plane of 113 lower end of latch fitting offsets, and resists outer latch fitting 113 and is moved toward the direction far from the second revolving part 120, is detached from the second rotation Turn the clamping of part 120, realizes the rotation of the second revolving part 120.

After the dismounting of supporting rack 600, the second revolving part 120 is kept fixed, and user is avoided to rotate U in no supporting rack 600 Type backrest 500, i.e., when fitness stand 1000 is in exercise position, if not installing supporting rack 600, consumer can not rotate U-shaped lean on The back of the body 500 avoids using seat configuration and half chaise longue form in the case of no supporting rack 600 (being easy rollover), and is only pacifying When equipped with supporting rack 600, U-shaped backrest 500 could rotate, and improve safety.

Specifically, the first revolving part 110 includes axle housing 110a and lid shell 110b, wherein axle housing 110a is provided with cavity, uses In accommodating buckling component 150, buckling component 150 can be sprung up and down in the cavity；Lid shell 110b is provided with receiving lock piece 130 cavity.

There are four gear blocks 121 for inner ring setting of second revolving part 120 close to 140 side of operating parts, far from operating parts 140 The surface of side is provided with several locked grooves 122 and several convex blocks 125.

The excircle of lock piece 130 is provided with several closing pieces 131, and closing piece 131 can be with the locked groove 122 of the second revolving part 120 Match, then sheathed spring at the newel 133 of the lock piece 130 shown in Figure 19.

Buckling component 150 includes abutting part 151 and engaging portion 152, and 151 upper end of abutting part is provided with accommodating chamber, for holding It receives engaging portion 152, spring is arranged with outside accommodating chamber；Engaging portion 152 is internally provided with spring, and engaging portion 152 can be in accommodating chamber It springs up and down.

Operating parts 140 is fixedly connected with lock piece 130, and the surface that operating parts 140 is contacted with buckling component 150 is provided with button Clamping is stretched into hole 143 for the engaging portion 152 of buckling component 150.

Original state is that the abutting part 151 of buckling component 150 is against on the gear block 121 of the second revolving part 120, engaging portion 152 are against on operating parts 140.When needing regulation stall, operating parts 140 is moved with hand push, due to lock piece 130 and operating parts 140 are connected, and then lock piece 130 is pushed to move.At this point, the engaging portion 152 of buckling component 150 stretches into behaviour under the action of elastic force In the button hole 143 of workpiece 140, operating parts 140 is prevented to spring back；Meanwhile the closing piece 131 of lock piece 130 is detached from the second revolving part 120 Locked groove 122, it is thereby achieved that one-handed performance rotary U-type backrest 500.

Hand-held U-shaped backrest 500 drives the rotation of the second revolving part 120, when the abutting part 151 of buckling component 150 is in second When between two gear blocks 121 of revolving part 120, under the action of elastic force, buckling component 150 is detached from button hole 143, operating parts A 140 rebound parts, because the closing piece 131 of lock piece 130 and the convex block 125 of the second revolving part 120 offset at this time so that operation Part 140 springs back a part, and the engaging portion 152 of buckling component 150 deviates button hole 143, and the head end of engaging portion 152 is only against button hole On the peripheral wall of the shackle member 142 of surrounding, it cannot be sprung back completely so as to cause buckling component 150.When engaging portion 152 stretches into button hole When 143 clamping, lock piece 130 has certain distance with 125 surface of convex block, and the distance is at least more than 1mm.

It is rotated further U-shaped backrest 500, U-shaped backrest 500 drives the rotation of the second revolving part 120, when supporting for buckling component 150 When socket part 151 is in next gear block 121 of the second revolving part 120, at this point, the closing piece 131 of lock piece 130 and next lock Slot 122 matches, and lock piece 130 pushes up operating parts 140 outward under the action of elastic force, and the abutting part 151 of buckling component 150 is against the On the gear block 121 of two revolving parts 120, engaging portion 152 is against on operating parts 140, is completed gear and is adjusted.

It should be understood that being equipped with the first revolving part 110 on each pedestal 200, buckling component 150 can be arranged at one In first revolving part 110, buckling component 150 can also be equipped in each first revolving part 110.I.e. buckling component 150 can Unilateral side setting, can also both sides setting.When unilateral side is arranged, by being arranged with the operating parts 140 of buckling component 150, then keep The operating parts 140 that buckling component 150 is not arranged for the other side is pinned, to realize that gear is adjusted；When both sides are arranged, both sides are pressed Operating parts 140 realizes that gear is adjusted.

It is of course also possible to be not provided with buckling component 150, both sides operating parts 140 is pinned in holding, to realize that gear is adjusted.

The concrete structure of second regulating mechanism 100b is described below with reference to Figure 21-Figure 30.

In some embodiments, as shown in Figure 21-Figure 30, the second regulating mechanism 100b includes：First revolving part 110, Two revolving parts 120, lock piece 130, locking elastic component (not shown), operating parts 140, shackle member 142 and it is located at the first rotation Turn the buckling component 150 on part 110.

In the second regulating mechanism 100b shown in Figure 21, the first revolving part 110 is integrally formed in the front end of pedestal 200, Alternatively pedestal 200 constitutes first revolving part 110.Second revolving part 120 is integrally formed in the lower end of connecting rod 300, Alternatively connecting rod 300 constitutes second revolving part 120.

As shown in figure 24, the second revolving part 120 is rotatably connected on the first revolving part 110, the first revolving part 110 with Movable chamber 111 is limited between second revolving part 120.

In fig 23, the first revolving part 110 is equipped with slide bar 112, and the second revolving part 120 is arranged around slide bar 112, locking It is sleeved on slide bar 112 and can be slided along slide bar 112 outside part 130.Lock piece 130 is shaped as, lock piece 130 be equipped with across The slide bar perforation 132 of slide bar 112.

Specifically, the second revolving part 120 is equipped with stepped hole 171, and the second regulating mechanism 100b further includes rotary column 172, turns Column 172 is cylindrical and is stuck in stepped hole 171 that slide bar 112 extend into stepped hole 171 and is connected with rotary column 172, thus the Two revolving parts 120 can be rotatably connected on the first revolving part 110.

As shown in figure 23 and figure 24, lock piece 130 is movably located at movable chamber between lock position and unlocked position In 111.

When the second revolving part 120 is located at any setting bar angle, lock piece 130 can move to lock position, lock piece 130 fasten with the first revolving part 110 and the second revolving part 120 locking respectively；When 130 activity of lock piece is to unlocked position, Lock piece 130 is mutually unlocked with one in the first revolving part 110 and the second revolving part 120.

Locking elastic component is connected between the second revolving part 120 and lock piece 130, often to drive the activity of lock piece 130 extremely Lock position.Operating parts 140 is movably located on the first revolving part 110, and operating parts 140 has the behaviour for stretching into movable chamber 111 Make bar 141, shackle member 142 is located between operating lever 141 and lock piece 130, and shackle member 142 pushes in 140 activity of operating parts Lock piece 130 is movable to unlocked position.

That is, the first revolving part 110 is equipped with the second revolving part 120 being freely rotated within the scope of certain angle, Lock piece 130 is additionally provided in second revolving part 120, lock piece 130 can be movable in the second revolving part 120, but lock piece 130 cannot rotate around the rotation axis of the second revolving part 120.Lock piece 130 is equivalent to bolt, when lock piece 130 is located at locking When position, it is equivalent to and is inserted between the first revolving part 110 and the second revolving part 120 there are one bolt so that the second revolving part 120 It cannot rotate；When lock piece 130 is located at unlocked position, it is equivalent to and extracts bolt out of first revolving part 110, at this time second Revolving part 120 can be freely rotated again.In addition, bolt can only be inserted at specific position, in this way, 120 ability of the second revolving part Locked by bolt at setting bar angle.

Wherein, as shown in Figure 21 and Figure 24, operating parts 140 is movably arranged at the outside of the first revolving part 120, operating parts Operating lever 141 on 140 passes through the shell of the first revolving part 110 to extend into movable chamber 111.As shown in figure 23, operating lever 141 Lock piece 130 is pushed by shackle member 142.

When user's pressing operations part 140, operating parts 140 drives 130 activity of lock piece, lock piece by shackle member 142 130 can be moved to unlocked position by lock position, and the second revolving part 120 is can turn at another setting bar angle at this time； When unclamping operating parts 140, lock piece 130 can be reset to lock position under the elastic force of locking elastic component.

This second regulating mechanism 100b is simple in structure, easy to adjust, and reliability is high, and application is very wide.

Specifically, as shown in figure 23 and figure 24, the first revolving part 110 includes：Shell 110d and inner casing 110e, shell 110d It is covered with inner casing 110e phases and closes the shell for forming pedestal 200.Operating parts 140 is located on shell 110d, and the second revolving part 120 is connected to On inner casing 110e, the exocoel 111d for accommodating shackle member 142, the rotations of inner casing 110e and second are formed between shell 110d and inner casing 110e Turn to form the inner cavity 111e for accommodating lock piece 130 between part 120, inner casing 110e is equipped with perforation, shackle member 142 be equipped with across The perforation pushes away column 144, pushes away column 144 for pushing lock piece 130 movable.

Wherein, a part of inner casing 110e forms towards the second revolving part 120 protrusion and keeps cover, it may also be said to movable chamber It is equipped with the holding cover 156 being connected with the first revolving part 110 in 111, keeps cover 156 in the open at one end towards operating parts 140, lock It is sleeved on outside stop member 130 on holding cover 156, cover 156 is kept to be equivalent to slide bar 112, keep the end of cover 156 to be equipped with and be used for and rotary column The threaded hole of 172 connections.

As shown in Figure 22 and Figure 25, lock piece 130 and operating parts 140 are located at the same side of the second revolving part 120.In Figure 21 In the example of Figure 22, operating parts 140 is movably arranged on shell 110d, and the outer surface of shell 110d is equipped with handle hole 115, Operating parts 140 may be housed in handle hole 115, and operating lever 141 passes through the bottom wall of handle hole 115 to extend into exocoel 111d.

As shown in figure 22, the inside of cover 156 is kept to set there are four sliding hole 158, shackle member 142 is formed as towards locking The open cylinder in 130 side of part is set on the periphery of cylinder there are four pushing away column 144, and four push away column 144 and are inserted into four respectively and slide In hole 158, ensure that shackle member 142 is moved along the direction of the rotation axis of the second revolving part 120.Wherein, the operation of operating parts 140 Bar 141 can be only against in the body end surface of shackle member 142 in activity.

More specifically, as shown in Figure 23, Figure 25 and Figure 27, lock piece 130 is equipped with closing piece 131, on the second revolving part 120 Stepped hole 171 is being formed as shape compatible with lock piece 130, such lock piece 130 towards one end of the first revolving part 110 It can be fully accommodated in stepped hole 171, and lock piece 130 is not rotatable with respect to the second revolving part 120.

First revolving part 110 is equipped at different setting bar angles and the matched multiple locked grooves 122 of closing piece 131, Specifically, the end face of the second revolving part of direction 120 of inner casing 110e is formed with only slot 124, only the shape of slot 124 and lock piece 130 Shape is adapted, and is only formed with multiple locked grooves 122 of corresponding closing piece 131 on the inner wall of slot 124, between two neighboring locked groove 122 Part constitutes convex block 125.When locking elastic component pushes lock piece 130 towards the first revolving part 110, lock piece 130 is stuck in Only in slot 124, and only the backstop of the bottom wall of slot 124 plays position-limiting action to lock piece 130.

In some embodiments, as shown in Figure 22-Figure 24, the second regulating mechanism 100b includes：It is located at the first revolving part 110 On buckling component 150.

When the second revolving part 120 is located at any setting bar angle and lock piece 130 is located at unlocked position, buckling component 150 are in complete buckling state with shackle member 142；

When the second revolving part 120 deviates any setting bar angle and lock piece 130 is located at unlocked position, buckling component 150 are in the transition state threaded off with shackle member 142；

When the second revolving part 120 is located at any setting bar angle and lock piece 130 is located at lock position, buckling component 150 are in trip status with shackle member 142.

Specifically, when connecting rod 300 is in a certain setting bar angle, user can push operating parts 140 manually, make It obtains the second revolving part 120 and is located at the setting bar angle, and lock piece 130 is located at unlocked position, buckling component 150 is movable at this time To with 142 complete buckling state of shackle member.After being lockked shackle member 142 due to buckling component 150, even if there is locking elastic component to push away Lock piece 130 is pressed, but lock piece 130 remains at unlocked position.At this point, the second revolving part 120 is in automatic rotary state, User can be rotatablely connected bar 300 with the hand of pressing operations part 140.

After connecting rod 300 just starts rotation, the second revolving part 120 deviates from above-mentioned setting bar angle, buckling component 150 buckling components 150 and shackle member 142 be in trip status, but 130 upper locking piece 131 of lock piece still stops and is against the at this time On the convex block 125 of two revolving parts 120, therefore lock piece 130 is still stuck in unlocked position.

Lock piece 130 is rotated synchronously with the second revolving part 120, when being rotated further connecting rod 300 to another setting bar angle When spending, i.e., when 130 upper locking piece 131 of lock piece reaches with the locked groove 122 on the first revolving part 110 to the position of cooperation, lock at this time Stop member 130 can be returned to lock position under the promotion of locking elastic component.

What needs to be explained here is that gear block 121 is also to match setting with the position of the locked groove 122 of the first revolving part 110 , when the abutting part 151 of buckling component 150 is only against on the gear block 121 of the second revolving part 120, the lock on lock piece 130 Block 131 is just matched with the locked groove 122 of the locked groove 122 of the first revolving part 110.

The setting of buckling component 150 it can be seen from above-mentioned design, usable family can one-hand fold connecting rod 300, and The multi gear position selection of 300 corner of connecting rod is not influenced.

Specifically, as shown in Figure 22-Figure 24, shackle member 142 is equipped with button hole 143, and the second revolving part 120, which is equipped with, to be surround Multiple gear blocks 121 of rotation axis setting, multiple gear blocks 121 correspond to multiple setting bar angles, and buckling component 150 has only The abutting part 151 being against on the second revolving part 120 and the engaging portion 152 being only against in shackle member 142.

When abutting part 151 is only against on gear block 121 and lock piece 130 is located at lock position, the head end of engaging portion 152 It is only against on the peripheral wall of shackle member 142.

Since buckling component 150 is located on the first revolving part 110, buckling component 150 is on the first revolving part 110 General location is constant.The end face of second revolving part 120 is equipped with the gear block 121 of corresponding multiple setting bar angles, whenever second Revolving part 120 turns at a setting bar angle, and abutting part 151 is only against on a gear block 121, when the second revolving part 120 turn to another setting bar angle at when, abutting part 151 only is against on another gear block 121.

In certain embodiments, as shown in figure 27, multiple gear blocks 121 are located at the second revolving part 120 at interval End face on, as shown in Figure 29 and Figure 30, abutting part 151 is movably set along the direction of the rotation axis of the second revolving part 120 In movable chamber 111.The surface towards operating parts 140 of abutting part 151 is formed with planing surface 1511, in the second revolving part of direction Planing surface 1511 extends towards the direction of operating parts 140 on the direction of 120 rotation axis, and engaging portion 152 slidably engages On planing surface 1511, it is sleeved in engaging portion 152 outside shackle member 142.

Specifically, as shown in Figure 22, Figure 23 and Figure 29, buckling component 150 includes：Snapping box 155 and snapping elastic component (figure It is not shown), snapping box 155 coordinates on planing surface 1511, the rotation axis far from the second revolving part 120 of snapping box 155 Side wall is equipped with snapping perforation 161, and engaging portion 152 and snapping elastic component are located in snapping box 155, and snapping elastic component is for often driving The head of dynamic engaging portion 152 is stretched out out of snapping perforation 161.

More specifically, abutting part 151 is equipped with the multiple planing surfaces being arranged around the rotation axis of the second revolving part 120 1511, each planing surface 1511 is equipped with corresponding snapping box 155, engaging portion 152 and snapping elastic component, at least two snapping boxes It is connected between 155 for the mutual elastic component (not shown) that furthers.This structure can make engaging portion 152 and shackle member 142 There is cushioning effect when fastening.

Further, it keeping the peripheral wall of cover 156 to be equipped with and abuts perforation 162, buckling component 150, which is located at, to be kept in cover 156, The head of abutting part 151 is slidably disposed in from stretching in perforation 162, a part for shackle member 142 is abutted in holding cover 156. In this way, keeping covering the effect for the movable rail that 156 act as buckling component 150.

Further, the second regulating mechanism 100b further includes：With the retainer 157 for keeping cover 156 to be connected, retainer 157 between shackle member 142 and buckling component 150 with by buckling component 150 be limited to holding cover 156 in, retainer 157 with Cover 156 is kept to define the scope of activities of buckling component 150.

The overall structure of the second regulating mechanism 100b and movement in one specific embodiment are described with reference to Figure 21-Figure 30 Process.

As shown in figure 21, pedestal 200 is connected with connecting rod 300, and part that pedestal 200 is connect with connecting rod 300 constitutes the Two regulating mechanism 100b.As shown in Figure 22 and Figure 23, the second regulating mechanism 100b includes operating parts 140, shackle member 142, fastens Component 150 and lock piece 130.Wherein, 130 periphery of lock piece is provided with several closing pieces 131, and a side surface is provided with several pillars 134, sheathed spring (not shown) on pillar 134；Connecting rod 300 and 200 internal diameter of pedestal are provided with and 131 matched lock of closing piece Slot 122,300 inside diameter surface of connecting rod are additionally provided with several gear blocks 121；Buckling component 150 includes abutting part 151, engaging portion 152 and snapping box 155, engaging portion 152 is stretched out from one end of snapping box 155, passes through spring and snapping box 155 connects, two snappings It is connected by tension spring between box 155.

When needing rotatable connection bar 300, push part 140, operating parts 140 pushes shackle member 142, shackle member 142 Lock piece 130 is pushed, to make lock piece 130 completely into connecting rod 300；When push part 140, engaging portion 152 Into the button hole 143 on 142 surface of shackle member, to block shackle member 142, operating parts 140 is not allowed to spring back.

Be rotatably connected bar 300, and abutting part 151 is disconnected the gear block 121 of 300 inside diameter surface of bar, due to shackle portion Two snapping boxes 155 between connected by tension spring, under the action of spring tension, two snapping boxes 155 are to close to mutual Direction moves, and two engaging portion 152 are partially disengaged the button hole 143 on 142 surface of shackle member, and the rebound of 130 part of lock piece (works as locking When part 130 is entered in the stepped hole 171 of connecting rod 300, there is certain interval between lock piece 130 and pedestal 200, which is more than 1mm), the rebound of 142 part of shackle member is resisted.

Similarly with the first regulating mechanism 100a, when connecting rod 300 not yet goes to corresponding gear, lock piece 130 Closing piece 131 is against on the surface of pedestal 200, and be cannot be introduced into the locked groove 122 of 200 internal diameter of pedestal and sprung back completely, and lock piece is worked as When 130 142 part of promotion shackle member rebound, shackle portion can not be directed at the button hole 143 of shackle member 142；It is rotated in connecting rod 300 When resisting abutting part 151 to next gear block 121, the closing piece 131 of lock piece 130 matches completely with the locked groove 122 of pedestal 200 Rebound pushes shackle member 142 and operating parts 140 to restPose, and rotation is completed.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiments or example.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that： Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims

The clamping mechanism 1. a kind of bar group of infant's support device is transferred, which is characterized in that including：

First revolving part；

Second revolving part, second revolving part are rotatably connected on first revolving part；

Lock piece, the lock piece is movable between lock position and unlocked position, is located in second revolving part any When set angle, the lock piece can move to lock position, with respectively with first revolving part and second revolving part Fasten locking, the lock piece and one in first revolving part and second revolving part in activity to unlocked position A phase unlock；

Locking elastic component, the locking elastic component is for often driving the lock piece activity to lock position；

Operating parts, the operating parts are movably located on first revolving part；

Shackle member, the shackle member are located between the operating parts and the lock piece, the card in the operating parts activity Fitting pushes the lock piece activity to unlocked position；

The buckling component being located on first revolving part is located at set angle and the lock piece in second revolving part When positioned at unlocked position, the buckling component be interlocked with the shackle member, second revolving part deviate set angle and When the lock piece is located at unlocked position, the buckling component mutually threads off with the shackle member.
The clamping mechanism 2. the bar group of infant's support device according to claim 1 is transferred, which is characterized in that the clamping Part is equipped with button hole, and second revolving part is equipped with the multiple gear blocks for revolving around it axis setting, the multiple gear block Corresponding multiple set angles, the buckling component have the abutting part being only against on second revolving part and are only against the card Engaging portion on fitting,

When the abutting part is only against on the gear block and the lock piece is located at unlocked position, the head end of the engaging portion It extend into the button hole；

When the abutting part is only against on the gear block and the lock piece is located at lock position, the head end of the engaging portion It is only against on the peripheral wall of the shackle member.
The clamping mechanism 3. the bar group of infant's support device according to claim 2 is transferred, which is characterized in that the snapping Portion is slidably disposed on the abutting part, and the buckling component further includes elasticity of elongation part, and the elasticity of elongation part is connected to Between the abutting part and the engaging portion.
The clamping mechanism 4. the bar group of infant's support device according to claim 3 is transferred, which is characterized in that the clamping Part is connected across second revolving part with the lock piece, and the multiple gear block gap is located at second revolving part with opening Internal perisporium on, the snapping extending into second revolving part is equipped on first revolving part at the neighbouring shackle member Cover, the snapping cover are equipped with snapping and perforate and abut perforation；

The buckling component is located in the snapping cover, and the head of the engaging portion is stretched out from snapping perforation place, described to support The tail portion of socket part is stretched out out of the abutting perforation.
The clamping mechanism 5. the bar group of infant's support device according to claim 2 is transferred, which is characterized in that the multiple Gear block gap is located on the end face of second revolving part with opening, rotation axis of the abutting part along second revolving part Direction be movably arranged in the movable chamber, the surface of the direction operating parts of the abutting part is formed with planing surface, The planing surface extends towards the direction of the operating parts on the direction of the rotation axis towards second revolving part, described Engaging portion is slidably fit on the planing surface, is sleeved in the engaging portion outside the shackle member.
The clamping mechanism 6. the bar group of infant's support device according to claim 5 is transferred, which is characterized in that the fastening Component includes：Snapping box and snapping elastic component, snapping box cooperation on the planing surface, the snapping box far from described The side wall of the rotation axis of second revolving part is equipped with perforation, and the engaging portion and the snapping elastic component are located at the snapping box Interior, the snapping elastic component is for often driving the head of the engaging portion to be stretched out out of described perforation.
The clamping mechanism 7. the bar group of infant's support device according to claim 6 is transferred, which is characterized in that the abutting Portion is equipped with the multiple planing surfaces being arranged around the rotation axis of second revolving part, and each planing surface, which is equipped with, to be corresponded to The snapping box, the engaging portion and the snapping elastic component, be connected with for furthering between at least two snapping boxes Mutual elastic component.
The clamping mechanism 8. the bar group of infant's support device according to claim 6 is transferred, which is characterized in that further include： Keep cover, keep covering the retainer that is connected with described, the retainer between the shackle member and the buckling component with The buckling component is limited in the holding cover.
The clamping mechanism 9. the bar group of infant's support device according to claim 5 is transferred, which is characterized in that described first It limits movable chamber between revolving part and second revolving part, is equipped in the movable chamber and to be connected with first revolving part Cover, the holding is kept to cover on the open at one end towards the operating parts, the peripheral wall of the holding cover, which is equipped with to abut, perforates, institute It states buckling component to be located in holding cover, the head of the abutting part is stretched out out of the abutting perforation, outside the lock piece It is sleeved on the holding cover, a part for the shackle member is slidably disposed in the holding cover.
The clamping mechanism 10. the bar group of infant's support device according to claim 1 is transferred, which is characterized in that described the Two revolving parts are configured to circular ring shape, and the lock piece and the operating parts are located at the both sides of second revolving part, the clamping Part is connected across second revolving part with the lock piece.
The clamping mechanism 11. the bar group of infant's support device according to claim 1 is transferred, which is characterized in that described the One revolving part is equipped with slide bar, and second revolving part is arranged around the slide bar, is sleeved on the slide bar outside the lock piece And can along the sliding bar,

The lock piece is equipped with closing piece, is equipped in different set angles on first revolving part and second revolving part At degree with the matched multiple locked grooves of the closing piece.
The clamping mechanism 12. the bar group of infant's support device according to claim 11 is transferred, which is characterized in that the cunning Bar is more be spaced apart, and the lock piece is shaped as, and the lock piece, which is equipped with, is each passed through more slide bars Multiple slide bar perforation.