CN207535965U - Carriage for baby single-hand folding device - Google Patents

Abstract

The utility model discloses a kind of Carriage for baby single-hand folding device, which is provided with the trigger mechanism that returns the vehicle to the garage and knock off at the handle tube of hand handle upper tube, which includes：Turning handle；The left and right fixation with steel wire seat that can be slided relatively, by the sliding block extended on the sliding slot of handle tube；The brake silpper being arranged in turning handle, and the brake silpper is extended by the braking sliding slot opened up on turning handle；Turning handle inner wall is provided with guiding surface corresponding with the sliding block respectively, when rotating turning handle, oppresses sliding block, opposite operation by guiding surface, so as to which the steel wire being connect with left and right fixation with steel wire seat be driven to run, triggers the intra-articular brake structure of handlebar bending.The trigger mechanism that returns the vehicle to the garage and knock off of the utility model is set up directly on handle, and convenient for user's one-handed performance, and it is very easy to operate.

Description

Carriage for baby single-hand folding device

Technical field：

The utility model is related to Carriage for baby product technical fields, and single-hand folding can be realized, and operate letter by refering in particular to one kind Just Carriage for baby single-hand folding device.

Background technology：

Carriage for baby is that tool is moved in a kind of carrying for designed by infant, and the presence of Carriage for baby facilitates adult Infant is carried when outgoing, pole is liked by consumers in general.

Current Carriage for baby generally comprises：Vehicle frame, the seat being fixed in vehicle frame, the front-wheel for being installed on vehicle frame lower end and Trailing wheel and the hand handle being installed on vehicle frame, vehicle frame include：Joint assembly and the front foot pipe being installed on joint assembly, handle pipe, Rear foot tube, the front-wheel, trailing wheel and hand handle are respectively arranged in front foot pipe, rear foot tube and handle pipe.For the ease of in Carriage for baby When not in use, therefore Carriage for baby stored collapsed, can be provided with retracting mechanism by user in joint assembly, so that passing through receipts Closing mechanism can control Carriage for baby to be folded in storage, and when use folds.But the retracting mechanism one of Carriage for baby in the market As be all to need user that can just realize folding using both hands, action is more stiff, and needs compared with great strength, causes to receive Conjunction has some setbacks, using, operate it is not very convenient, while be unfavorable for improve Carriage for baby the market competitiveness.

In addition, the locking structure in current baby stroller at folding/unfolding joint is usually independent from each other, thus make It usually can not disposably complete into equivalent perambulator, make troubles to using.

For case above, the present inventor sees that China Patent No. is it is proposed that excessively a kind of improved technical solution： 201521005140.4 utility model patent, it discloses a kind of baby stroller, including：Rear foot tube, front foot pipe and hand It component, is equipped between rear foot tube and handle assembly and uses trolley folding joint component, handle assembly includes handlebar bending joint and installation In the hand handle upper tube of handlebar bending joint upper and lower ends and hand handle down tube, hand handle down tube lower end is hinged with rear foot tube；Trolley folding joint Component includes slidably being socketed on the trolley folding joint sliding sleeve and supporting rack of hand handle down tube periphery, in trolley folding joint sliding sleeve Portion is equipped with the locking device for trolley folding joint sliding sleeve to be locked in hand handle down tube periphery；Tripper is equipped in hand handle down tube, Driving tripper is rotated by the bending of handlebar bending joint to unlock locking device, makes trolley folding joint sliding sleeve can be in hand handle down tube Upper slip enables hand handle down tube be received with respect to rear foot tube folded.Although the technical solution folding operation is simple, returns the vehicle to the garage and knock off or open up being rapidly completed Vehicle acts, but its there are still certain deficiencies, the present inventor is against the above deficiency, it is proposed that further improved technology side Case.

Utility model content：

The purpose of the utility model is to overcome the deficiencies in the prior art, are carried out on the basis of existing product further Improvement, it is proposed that one kind can realize single-hand folding, and Carriage for baby single-hand folding device easy to operate.

In order to solve the above-mentioned technical problem, the utility model employs following technical proposals：Carriage for baby single-hand folding fills It puts, including：Hand handle upper tube and hand handle down tube, wherein hand handle upper tube are pivotally connected with hand handle ShiShimonoseki by handlebar bending joint, in hand handle The trigger mechanism that returns the vehicle to the garage and knock off is provided at the handle tube of upper tube, which includes：One is set in the turning handle on handle tube；One Be set in handle tube can the opposite left and right fixation with steel wire seat slided, and in be provided on the left and right fixation with steel wire seat by The sliding block extended on the sliding slot of handle tube；One is arranged on the brake silpper in turning handle, and the brake silpper on turning handle by opening If braking sliding slot extend；The turning handle inner wall is provided with guiding surface corresponding with the sliding block respectively, when rotation turns During handle, sliding block is oppressed by guiding surface and is run in opposite directions, so as to which the steel wire being connect with left and right fixation with steel wire seat be driven to run, is touched Send out the intra-articular brake structure of handlebar bending.

Furthermore, in above-mentioned technical proposal, the left and right mutually nested cooperation of fixation with steel wire seat, and it is left, Resetting spring is provided between right fixation with steel wire seat.

Furthermore, in above-mentioned technical proposal, the turning handle end set has and the fixed fixed seat of handle tube, institute The brake silpper stated, when brake silpper is pushed to slide, enables it be detached from fixed seat, turning handle loses system between turning handle and fixed seat Rotation about can be achieved.

Furthermore, in above-mentioned technical proposal, second back-moving spring is provided on the brake silpper.

Furthermore, in above-mentioned technical proposal, the handlebar bending joint includes：With the fixed upper pass of hand handle upper tube Section, with the fixed hypozygal of hand handle down tube, and upper and lower articulation connection, upper and lower joint, between be disposed with rotation Turn briquetting and clutch gear, wherein in the upper and lower joint, interior being provided with and the matched internal tooth of clutch gear, the rotation Turn briquetting to connect with steel wire, which is inclined-plane with upper joint axial direction binding face, when rotation briquetting is sent out by steel wire traction During life rotation, rotation briquetting will utilize the inclined-plane to realize axial displacement, so as to push clutch gear axial movement and and upper joint Interior internal tooth is detached from.

Furthermore, in above-mentioned technical proposal, which further includes：Front foot component, rear foot component, mounting group Part, support component and armrest assembly, the armrest assembly is articulated in by handrail bending joint in hand handle down tube, before described Foot component, hand handle down tube respectively with rear foot component be pivotally connected, the support component both ends be articulated in respectively handrail bending joint and On rear foot component, mounting component is pivotally connected with hand handle down tube, and is passed through mounting connection sheet and interlocked with support component.

Furthermore, in above-mentioned technical proposal, sunshade support bar is connected on the upper joint.

Furthermore, in above-mentioned technical proposal, a locking device is provided in the handrail bending joint, the locking Device includes：The sliding sleeve that is arranged in handrail bending joint, the plastic cement seat being nested in sliding slot, the resilient wedge in plastic cement seat Son and the return spring being arranged between sliding sleeve and plastic cement seat, wherein sliding sleeve end passes through the second steel wire and the rotation Briquetting connects, and plastic cement seat is relatively fixed with hand handle down tube；A pin is fixed on the elastic chock, which falls into In the chock sliding slot opened up on sliding sleeve, which has height fall；Handrail bending is stretched into described elastic chock one end In intra-articular locked groove；During work, sliding sleeve is driven to move by the second steel wire when rotation briquetting rotates, pass through the height of chock sliding slot Pin will be lifted by degree drop, and elastic chock is enabled to be detached from locked groove, and handrail bending joint loses restriction, it can be achieved that rotation.

Furthermore, in above-mentioned technical proposal, the elastic chock is installed in plastic cement seat in a mounting groove, the peace The two side of tankage offers pin chute, and the pin is inserted by pin chute, and is placed through the elasticity in mounting groove Chock；Chock spring is also provided in the mounting groove.

Furthermore, in above-mentioned technical proposal, a rod assembly is also articulated on the mounting component.

After adopting the above technical scheme, the trigger mechanism that returns the vehicle to the garage and knock off of the utility model is set up directly on handle, it is easy to use Person's one-handed performance when folding by the way that brake silpper is pushed to contact the limitation of turning handle, then rotates turning handle, hand is triggered by steel wire Bending joint, enable hand handle upper tube that can be rotated to hand handle down tube direction.In addition, while triggering in handlebar bending joint, lead to Locking device triggering will be driven by crossing rotation briquetting, and another other component can rotate.It is folded so as to fulfill final.Relative to existing Product, when the utility model returns the vehicle to the garage and knock off, it is only necessary to which the purpose returned the vehicle to the garage and knock off can be realized, and it is very easy to operate in one hand.

Description of the drawings：

Fig. 1 is the stereogram of the utility model；

Fig. 2 is the front view of the utility model；

Fig. 3 is the vertical view of the utility model handle portions；

Fig. 4 is the sectional view along A-A of Fig. 3；

Fig. 5 is the three-dimensional exploded view of Fig. 3；

Fig. 6 is the enlarged drawing at B in Fig. 5；

Fig. 7 is the enlarged drawing at C in Fig. 5；

Fig. 8 is the internal structure chart at the utility model turning handle；

Fig. 9 is the utility model upper joint and the three-dimensional exploded view of rotation briquetting cooperation；

Figure 10-1 to Figure 10-3 is that the utility model converts into process schematic；

Figure 11 is that state front view is towed after the utility model converts into；

Figure 12 is to tow state stereogram after the utility model converts into；

Figure 13 is the principle schematic that the utility model folds；

Figure 14 is the folding principle schematic diagram of another embodiment of the utility model.

Specific embodiment：

The utility model is further illustrated with reference to specific embodiments and the drawings.

As shown in Fig. 1, Fig. 2, the utility model includes：Hand handle upper tube 1, hand handle down tube 2, front foot component 4, rear foot component 5, Mounting component 7, support component 8 and armrest assembly 9.Wherein hand handle upper tube 1 is pivotally connected with hand handle ShiShimonoseki 2 by handlebar bending joint 3. The armrest assembly 9 is articulated in by handrail bending joint 6 in hand handle down tube 2, and the front foot component 4, hand handle down tube 2 are divided It is not pivotally connected with rear foot component 5,8 both ends of support component are articulated in respectively on handrail bending joint 6 and rear foot component 5, seat Frame component 7 is pivotally connected with hand handle down tube 2, and is passed through mounting connection sheet 70 and interlocked with support component 8.Armrest assembly 9 is connected by handrail Contact pin 90 is interlocked with support component 8.

With reference to as shown in Fig. 3, Fig. 5, Fig. 6, Fig. 8, the hand handle upper tube 1 passes through handlebar bending joint 3 with hand handle ShiShimonoseki 2 Pivot joint, is provided with the trigger mechanism 100 that returns the vehicle to the garage and knock off, which includes at the handle tube 10 of hand handle upper tube 1： Turning handle 11, left and right fixation with steel wire seat 12,13, brake silpper 14, steel wire 15, resetting spring 16 and fixed seat 17.

The wherein described turning handle 11 is set in handle tube 10, which has upper shell 111 and the opposite button of lower housing 112 It is combined into.The handle tube 10 is a hollow tube, offers a sliding slot 101 thereon.The left and right fixation with steel wire seat 12, 13 can be set in handle tube 10, and be provided on the left and right fixation with steel wire seat 12,13 by handle tube 10 with respect to what is slided Sliding slot 101 on the sliding block 120,130 that extends.

Using slidable mutually nested cooperation between the left and right fixation with steel wire seat 12,13, and in left and right steel Resetting spring 16 is provided between silk fixed seat 12,13, is had between enabling left and right fixation with steel wire seat 12,13 by resetting spring 16 Have the tendency that being separated from each other, while pass through the left and right fixation with steel wire seat 12,13 of 120,130 pairs of sliding block by extending on sliding slot 101 It is limited.

111 inner wall of turning handle upper shell be provided with respectively with the sliding block 120,130 corresponding guiding surfaces 1110, When rotation rotates turning handle 11, the guiding surface 1110 in handle 11 will oppress sliding block 120,130 and run in opposite directions, so as to drive Left and right fixation with steel wire seat 12,13 overcomes the elastic force of resetting spring 16, in handle tube 10 centre position move, so as to drive with The steel wire 15 that left and right fixation with steel wire seat 12,13 connects is run, then triggers the braking knot in handlebar bending joint 3 by steel wire 15 Structure.

User inadvertently triggers the handle 11 in order to prevent, and hand is limited by brake silpper 14 in the utility model The rotation of handle 11.The brake silpper 14 is arranged in turning handle 11, and the brake silpper 14 is by the system that is opened up on turning handle 11 Dynamic sliding slot 110 extends, and user can push directly on the brake silpper 14 that is emerging in outside turning handle 11 to contact to handle 11 Braking.Its concrete structure is：11 end set of turning handle has to be slided with 10 fixed fixed seat 17 of handle tube, the braking Block 14 is between turning handle 11 and fixed seat 17, when brake silpper 14 is pushed to slide, enables the card slot in its disengaging fixed seat 17 171, turning handle 11 loses restriction and rotation can be achieved.In addition, it is provided with second back-moving spring 141 on the brake silpper 14.

When rotation rotation turning handle 11 is needed to be, firstly, it is necessary to stir the brake silpper 14 being emerging in outside turning handle 11 in Between position slide, enable brake silpper 14 be detached from fixed seat 17 on card slot 171, lost between handle 11 and fixed seat 17 so as to enable It goes to restrict, is then rotated further by handle 11.

With reference to shown in Fig. 4, Fig. 5, Fig. 9, the handlebar bending joint 3 includes：With 1 fixed upper joint of hand handle upper tube 31st, with the fixed hypozygal 32 of hand handle down tube, and upper and lower joint 31,32 is rotatablely connected, between upper and lower joint 31,32 according to It is secondary to be provided with rotation briquetting 33 and clutch gear 34, wherein being provided with and clutch gear 34 in the upper and lower joint 31,32 Matched internal tooth 311,321, the rotation briquetting 33 are connect with steel wire 15, which is axially bonded with upper joint 31 Face is inclined-plane.Screw inclined plane 331 is provided in rotation briquetting 33, setting and corresponding screw inclined plane in upper joint 31 311, realize upper joint 31 with rotating the axial displacement of briquetting 33 by the mutual rotation of two screw inclined planes 311,331.

Upper joint 31, rotation briquetting 32, clutch gear 34, hypozygal 32 pass sequentially through shaft pivot joint, rotate 32 He of briquetting Clutch gear 34 can carry out axial displacement along shaft.Under in the braking state, clutch gear 34 will simultaneously with upper joint 31 and ShiShimonoseki Internal tooth 311,321 in section 32 engages, so at this time since clutch gear 34 forms blocking, upper joint 31 and hypozygal 32 can not It realizes and relatively rotates.When rotation briquetting 33 is rotated by the traction of steel wire 15, rotation briquetting 33 will utilize the inclined-plane to realize Axial displacement, so as to which clutch gear 34 be pushed to occur to move axially and take off with the internal tooth in upper joint 31 to 32 direction of hypozygal From.So at this time since clutch gear 34 and upper joint 31 are detached from, upper joint 31 and hypozygal 32 can realize relative rotation.

In addition, it is connected with sunshade support bar 30 on the upper joint 31.

With reference to shown in Fig. 4, Fig. 5, Fig. 7, the handrail bending joint 6 is realized between armrest assembly 9 and support component 8 Relative rotation, armrest assembly 9 and support component 8 are separately positioned on two pivot joint housings of handrail bending joint 6, pass through 6 locking of handrail bending joint is prevented armrest assembly 9 from using shape with support component 8 by locking device 60 in handrail bending joint 6 It rotates under state.

The locking device 60 includes：The sliding sleeve 61 that is arranged in handrail bending joint 6 is nested in sliding sleeve 61 Plastic cement seat 62, the elastic chock 63 in plastic cement seat 62 and the return spring being arranged between sliding sleeve 61 and plastic cement seat 62 64, wherein 61 end of sliding sleeve is connect by the second steel wire 65 with the rotation briquetting 33, plastic cement seat 62 and 2 phase of hand handle down tube To fixation；A pin 631 is fixed on the elastic chock 63, which falls into the chock opened up on sliding sleeve 61 In sliding slot 611, which has height fall；Described 63 one end of elastic chock is stretched into handrail bending joint 6 Locked groove 66 in.

During work, sliding sleeve 61 is driven to move by the second steel wire 65 when rotation briquetting 33 rotates, pass through chock sliding slot 611 Pin 631 will be lifted by height fall, and elastic chock 63 is enabled to be detached from locked groove 66, and handrail bending joint 6 loses restriction, it can be achieved that turning It is dynamic.

Specifically, offering the spring mounting groove 623 of a return spring 64 on plastic cement seat 62, set on sliding sleeve 61 There is the pin hole 612 passed through for linkage pin 641.When sliding sleeve 61 and plastic cement seat 62 are nested, one end of return spring 64 against In 623 inner wall of spring mounting groove, the other end is resisted against across on the linkage pin 641 of plastic cement seat 62.So when sliding sleeve 61 is along plastic cement When seat 62 slides, need to overcome the resistance of return spring 64, and after the disappearance of the tractive force on sliding sleeve 61 is acted on, in return Under the action of spring 64, sliding sleeve 61 will reset rapidly.

The elastic chock 63 is installed in plastic cement seat 62 in a mounting groove 621, and the two side of the mounting groove 621 opens up There is pin chute 622, the pin 631 is inserted by pin chute 622, and is placed through the elastic chock in mounting groove 621 63；Chock spring 632 is also provided in the mounting groove 621.Elastic chock 63 is enabled to extension by chock spring 632 It stretches, and wedges in the locked groove 66 in handrail bending joint 6.

The chock sliding slot 611 has height fall, use in the present embodiment structure for：Chock sliding slot 611 is substantially in One L-shaped, and form smooth inclined-plane in 611 corner of chock sliding slot.In the locked state, pin 631 is exactly fallen into Pin 631 when sliding sleeve 61 starts mobile, is lifted, pin 631 by 611 lowest point of chock sliding slot by chock sliding slot 611 Higher position is just lifted to by lowest point, so as to which elastic chock 63 be driven to bounce back, is detached with locked groove 66, so as to enable handrail Bending joint 6 loses restriction, it can be achieved that relatively rotating, i.e., armrest assembly 9 may be rotated with support component 8.

With reference to Figure 10-1 to Figure 10-3 and with reference to shown in figure 13, this is the schematic diagram of the folded position of the utility model.

As shown in Figure 10-1,10-2, sunshade support bar 30 is rearward rotated first, is close to hand handle upper tube 1.

As shown in Figure 10-3, brake silpper 14 is pushed, then rotates turning handle 11, handlebar bending joint is triggered by steel wire 15 3, enable hand handle upper tube 1 that can be rotated to 2 direction of hand handle ShiShimonoseki.Then, after handlebar bending joint 3 is triggered, by rotating briquetting 33 Locking device 60 will be driven to trigger, unlocked, so preventing armrest assembly 9 from starting to rotate with support component 8.Lose support group The restriction of part 8, front foot component 4, rear foot component 5, mounting component 7 can rotate.Final the utility model converts into together.

In addition, as shown in Figure 11, Figure 12, in order to be convenient for user that can tow perambulator, this practicality under folded position A rod assembly 700 is also articulated on novel mounting component 7, with reference to shown in Fig. 1, after perambulator converts into, by rod assembly 700 are turned out, and thus form a pull rod, consequently facilitating user tows the perambulator after converting into.

As shown in Figure 13, this be another embodiment of the utility model folding principle figure, the frame section of the utility model A variety of different forms may be used in foldable structure, and Figure 14 show another achievable the present utility model purpose and folds original Reason figure.Certainly, the foregoing is merely specific embodiment of the utility model, are not to implement model to limit the utility model It encloses, all equivalent change or modifications done according to construction, feature and principle described in present utility model application the scope of the claims should all include In in present utility model application the scope of the claims.

Claims (10)

1. Carriage for baby single-hand folding device, including：Hand handle upper tube (1) and hand handle down tube (2), wherein hand handle upper tube (1) and hand Down tube (2) is pivotally connected by handlebar bending joint (3), it is characterised in that：It is provided at the handle tube (10) of hand handle upper tube (1) Return the vehicle to the garage and knock off trigger mechanism (100), which includes：

One is set in the turning handle (11) on handle tube (10)；

One is set to the left and right fixation with steel wire seat (12,13) that can be slided relatively in handle tube (10), and in the left and right steel The sliding block (120,130) extended on the sliding slot (101) by handle tube (10) is provided in silk fixed seat (12,13)；

One is arranged on the brake silpper (14) in turning handle (11), and the brake silpper (14) is by the braking that is opened up on turning handle (11) Sliding slot (110) extends；

Described turning handle (11) inner wall is provided with guiding surface (1110) corresponding with the sliding block (120,130) respectively, works as rotation Walk around handle (11) when, by guiding surface (1110) oppress sliding block (120,130) in opposite directions run, so as to drive and left and right steel wire Steel wire (15) operation of fixed seat (12,13) connection, triggers the brake structure in handlebar bending joint (3).

2. Carriage for baby single-hand folding device according to claim 1, it is characterised in that：The left and right fixation with steel wire Seat (12,13) mutually nested cooperation, and it is provided with resetting spring (16) between left and right fixation with steel wire seat (12,13).

3. Carriage for baby single-hand folding device according to claim 1, it is characterised in that：Described turning handle (11) end is set Be equipped with handle tube (10) fixed fixed seat (17), the brake silpper (14) positioned at turning handle (11) and fixed seat (17) it Between, when brake silpper (14) is pushed to slide, it is enabled to be detached from fixed seat (17), turning handle (11) loses restriction and rotation can be achieved.

4. Carriage for baby single-hand folding device according to claim 3, it is characterised in that：On the brake silpper (14) It is provided with second back-moving spring (141).

5. the Carriage for baby single-hand folding device according to any one in claim 1-4, it is characterised in that：The hand Bending joint (3) is included：With hand handle upper tube (1) fixed upper joint (31), with the fixed hypozygal of hand handle down tube (32), and And upper and lower joint (31,32) rotation connection, rotation briquetting (33) and clutch are disposed between upper and lower joint (31,32) Gear (34), wherein be provided in the upper and lower joint (31,32) with clutch gear (34) matched internal tooth (311, 321), the rotation briquetting (33) is connect with steel wire (15), which is with the axial binding face of upper joint (31) Inclined-plane, when rotation briquetting (33) is rotated by steel wire (15) traction, rotation briquetting (33) will utilize the inclined-plane to realize axis To displacement, so as to which clutch gear (34) be pushed to move axially and be detached from the internal tooth (311) in upper joint (31).

6. Carriage for baby single-hand folding device according to claim 5, it is characterised in that：The Carriage for baby further includes：Before Foot component (4), rear foot component (5), mounting component (7), support component (8) and armrest assembly (9), the armrest assembly (9) Be articulated in hand handle down tube (2) by handrail bending joint (6), the front foot component (4), hand handle down tube (2) respectively with it is rear Foot component (5) is pivotally connected, and the support component (8) both ends are articulated in respectively on handrail bending joint (6) and rear foot component (5), Mounting component (7) is pivotally connected with hand handle down tube (2), and is passed through mounting connection sheet (70) and interlocked with support component (8).

7. Carriage for baby single-hand folding device according to claim 5, it is characterised in that：Connect on the upper joint (31) It is connected to sunshade support bar (30).

8. Carriage for baby single-hand folding device according to claim 6, it is characterised in that：The handrail bending joint (6) locking device (60) is provided in, which includes：The sliding sleeve being arranged in handrail bending joint (6) (61), the plastic cement seat (62) being nested in sliding slot (61), the elastic chock (63) in plastic cement seat (62) and it is arranged on cunning Cover the return spring (64) between (61) and plastic cement seat (62), wherein sliding sleeve (61) end passes through the second steel wire (65) and described It rotates briquetting (33) to connect, plastic cement seat (62) is relatively fixed with hand handle down tube (2)；One is fixed on the elastic chock (63) Pin (631), pin (631) both ends are fallen into the chock sliding slot (611) opened up on sliding sleeve (61), the chock sliding slot (611) With height fall；Described elastic chock (63) one end is stretched into the locked groove (66) in handrail bending joint (6)；

During work, drive sliding sleeve (61) mobile by the second steel wire (65) when rotation briquetting (33) rotates, pass through chock sliding slot (611) pin (631) will be lifted by height fall, and elastic chock (63) is enabled to be detached from locked groove (66), and handrail bending joint (6) loses It goes to restrict, it can be achieved that rotation.

9. Carriage for baby single-hand folding device according to claim 8, it is characterised in that：Elastic chock (63) peace Loaded in a mounting groove (621) in plastic cement seat (62), the two side of the mounting groove (621) offers pin chute (622), described Pin (631) be inserted by pin chute (622), and the elastic chock (63) being placed through in mounting groove (621)；The peace Chock spring (632) is also provided in tankage (621).

10. Carriage for baby single-hand folding device according to claim 6, it is characterised in that：On the mounting component (7) Also it is articulated with a rod assembly (700).