CN102101491B - foldable infant carrier - Google Patents

Abstract

A foldable baby carrying device comprises a supporting frame body, a seat component, a backrest positioning piece, a backrest pipe and a connecting piece. The seat assembly comprises a seat tube and a seat plate, and the seat plate is fixedly connected to the seat tube. The backrest positioning piece is arranged on the seat board and comprises a plurality of clamping grooves. The backrest tube is pivotally connected to the seat plate, and an engaging member is slidably disposed at a distal end of the backrest tube, wherein the engaging member is selectively engaged with one of the engaging grooves. The connecting piece comprises a locking releasing part, and the connecting piece is respectively connected with the support frame body and the seat tube. When the support frame body is folded and the seat board moves along with the support frame body, the locking release part can limit the clamping piece to move along with the seat board and enable the clamping piece to be separated from being clamped with the clamping groove.

Description

foldable infant carrier

【Technical field】

The present invention relates to a baby carrying device, in particular to a foldable baby carrying device.

【Background technique】

Baby carriages, baby swings, baby cradles or cribs and other baby carrying devices are often designed with complex structures in order to provide parents with the convenience of taking care of infants and young children and storing them, so that the baby carrying devices can be folded or unfolded. In this way, parents can choose to fold the baby carrying device when they do not need to use it or do not use the baby carrying device for a long time, so as to reduce the space occupied by it and facilitate storage and storage. However, the usual situation is that in order to provide more functions of folding or unfolding, the load-bearing structure is often made quite complicated, and there is concern about increasing the overall weight. In addition, when it is to be folded, the position of each component needs to be operated separately by the parents. Therefore, there is still a need for an infant carrying device that can provide a folding function, has a simple assembly structure and simple folding operation.

【Content of invention】

An object of the present invention is to provide a foldable infant carrier, which can provide a folding function and has a simple structure. Through the position correspondence and interlocking relationship of each component, the operation required for folding Steps are reduced to provide an infant carrier that meets today's needs.

The invention provides a baby carrying device, which includes a supporting frame body, a seat component, a backrest positioning part, a backrest pipe, and a connecting part. The seat assembly includes a seat tube and a seat plate, and the seat plate is fixedly connected to the seat tube. The backrest positioning part is arranged on the seat plate and includes several engaging slots. The backrest tube is pivotally connected to the seat plate, and a locking part is slidably disposed at the end of the backrest tube, wherein the locking part can be selectively engaged in one of the plurality of engaging slots. The connecting piece includes a release portion, and the connecting piece is respectively connected to the support frame body and the seat tube. Wherein, when the support frame body is folded and the seat board moves accordingly, the unlocking part can restrict the engaging part from moving with the seat board and make the engaging part disengage from the engaging groove.

The present invention further provides an infant carrying device, which includes: a supporting frame body, a seat assembly, a backrest set, a backrest positioning member and a folding mechanism. The seat assembly is assembled with the supporting frame body, and the backrest positioning part is arranged on the seat assembly. The backrest group includes a backrest tube and a locking part, the backrest tube can rotate around a pivot relative to the seat assembly, and the locking part is arranged at the end of the backrest tube. The folding mechanism includes a lock release part, and the lock release part is pivotally connected to the backrest positioning part. Wherein, the engaging member can be displaced between a first position and a second position relative to the back positioning member; when in the first position, the engaging member engages with the back positioning member , so as to lock the backrest assembly at an inclination angle; when it is in the second position, the engaging part is disengaged from the engagement of the backrest positioning part, and when the support frame body is folded, it will drive the release part to interfere The engaging protrusion of the engaging member is used to promote the engaging member to be displaced from the first position to the second position.

Based on the above, the present invention provides a foldable baby carrying device, which is characterized in that it includes:

a support frame;

A seat assembly, including a seat tube and a seat plate, the seat plate is fixedly connected to the seat tube;

A backrest locator, which is arranged on the seat plate and includes several engaging slots;

a backing tube, pivotally connected to the seat plate, a locking piece is slidably provided at the end of the backing tube, wherein the locking piece can be selectively snapped into one of the several snapping grooves; and

a connecting piece, including a release part, the connecting piece is respectively connected to the support frame body and the seat tube;

Wherein, when the support frame body is folded and the seat board moves accordingly, the unlocking part can restrict the engaging part from moving with the seat board and make the engaging part disengage from the engaging groove.

The above-mentioned foldable infant carrying device is characterized in that: the engaging part is linked with a release projection.

The feature of the foldable infant carrying device is that when the support frame body is folded, the connecting part will rotate accordingly, so that the release part of the connecting part pushes the release projection, and then the latch The engaging part is interlocked to release the engagement with one of the engaging grooves.

The feature of the foldable infant carrying device is that the backrest tube further includes a push button and a traction member, and the traction member connects the push button and the engaging member.

The above-mentioned foldable baby carrying device is characterized in that: the backrest tube further includes a slot and a fixing piece, the fixing piece is connected with the push button and passed through the slot, so that the push button can Slidably attached to the backrest tube.

The above-mentioned foldable baby carrying device is characterized in that: when the push button is displaced a predetermined distance in the slot, the traction member drives the engaging member to displace so as to release the engaging member from the plurality of engaging grooves. One of the snaps.

The above-mentioned foldable baby carrying device is characterized in that: the support frame body includes a push rod and a rear foot, and the connecting piece includes a first pivotal portion, a second pivotal portion and a third pivotal portion , the first pivotal portion is connected to the push rod, the second pivotal portion is connected to the seat tube, and the third pivotal portion is connected to the rear foot.

The feature of the foldable infant carrying device is that the seat assembly further includes a basket tube, and the third pivot portion is further connected to the basket tube.

The foldable baby carrying device is characterized in that: the end of the push rod is detachably engaged with the rear foot, and when the supporting frame is folded, the push rod is separated from the rear foot.

The above-mentioned foldable baby carrying device is characterized in that: the release part is arranged on the first pivotal part.

The feature of the foldable baby carrying device is that the support frame body further includes a front leg and a dinner plate, and the front leg is provided with a positioning hook corresponding to the dinner plate to position the dinner plate.

The above-mentioned foldable baby carrying device is characterized in that: the support frame body further includes a side armrest, including at least one fixing hole and a fixing block, a seat cloth is arranged on the backrest tube, the side armrest and the seat A belt is connected between the cloths, one end of the belt is fixed on the seat cloth, and the other end passes through the fixing hole and is fixed on the fixing block.

The present invention also provides an infant carrying device, which is characterized in that it comprises:

a support frame;

A seat component, which is combined with the supporting frame body;

A backrest group, which includes a backrest tube and a locking piece, the backrest tube can rotate around a pivot relative to the seat assembly, and the locking piece is arranged at the end of the backrest tube;

a backrest positioning part, arranged on the seat assembly; and

A retractable mechanism, which includes a lock release part, and the lock release part is pivotally connected to the backrest positioning part;

Wherein, the engaging member can be displaced between a first position and a second position relative to the back positioning member; when in the first position, the engaging member engages with the back positioning member , so as to lock the backrest group at an inclination angle; when it is in the second position, the engaging part is disengaged from the engagement of the backrest positioning part, and when the support frame body is folded, it will drive the release lock The engaging element resists the engaging element, so as to promote the engaging element to be displaced from the first position to the second position.

The above-mentioned baby carrying device is characterized in that: the backrest positioning part is provided with several engaging grooves, and the backrest group can be locked in an inclined position by engaging the engaging part with any of the engaging grooves. angle.

The above-mentioned baby carrying device is characterized in that: a suspension rod is included between the support frame body and the folding mechanism, and when the support frame body is folded and folded, the suspension rod drives the lock release part into the positioning groove, To resist and urge the engaging piece to disengage from the positioning groove.

The above-mentioned baby carrying device is characterized in that: the release member includes a strip-shaped portion and a stopper portion, and a top end of the strip-shaped portion is pivotally connected to the backrest positioning member.

The above-mentioned baby carrying device is characterized in that: the stopper includes a pushing surface, and when the support frame is folded, the releasing part uses the pushing surface to resist the engaging part, so as to push the engaging part from the first position to the second position.

The above-mentioned baby carrying device is characterized in that: the stop portion includes a resisting surface, and when the engaging member is displaced from the first position to the second position, the resisting surface can further push the backrest tube.

Therefore, when it is folded, the rotation of the connecting piece can push the release projection of the backrest tube to drive the engaging piece so that the backrest tube is out of the engaged state, and its fixed position can be changed to complete the retraction. To simplify the operation of collapsing.

【Description of drawings】

FIG. 1 is a schematic diagram illustrating a state of an infant carrying device according to an embodiment of the present invention.

FIG. 2 is a schematic diagram illustrating a partial structure of an infant carrying device according to an embodiment of the present invention.

FIG. 3A is a cross-sectional view illustrating an infant carrying device according to an embodiment of the present invention.

FIG. 3B is a schematic diagram showing the structure of a connector according to an embodiment of the present invention.

FIG. 4 is a schematic diagram illustrating another state of the infant carrying device according to an embodiment of the present invention.

FIG. 5 is a schematic view showing a folded state of the infant carrying device according to an embodiment of the present invention.

FIG. 6 is a schematic diagram showing the structure of an infant carrying device according to another embodiment of the present invention.

FIG. 7 is a schematic view showing the assembly of the seat assembly and the backrest set.

Fig. 8 is a schematic diagram showing a part of the structure of the backrest set according to an embodiment of the present invention.

FIG. 9 is a schematic diagram illustrating a release member provided according to an embodiment of the present invention.

FIG. 10 is a schematic diagram illustrating a forward positioning state where the backrest tube is locked by the backrest positioning member when the infant carrying device is unfolded.

FIG. 11 is a schematic diagram showing the engagement of the backrest tube disengaging from the backrest positioning member when the baby carrying device is folded and folded.

Baby carrying device 100, 200 Support frame body 1, 202

Seat component 2, 210 Backrest positioning part 3, 250

Back to tube 4, 232 connector 5

Seat cloth 6 push rod 11

Rear leg tube 12, 204 Front leg tube 13, 205

Wheel 14, 206 side armrest 15

Dinner plate 16 Seat tube 21, 224

Seat plate 22, 222 Storage basket tube 23

Engagement groove 31, 264 push button 41

Slotted 42, 47, 233 Traction piece 43

Fastener 44, 266 Fixed piece 45, 268

Release bump 46

First pivotal part 51 Second pivotal part 52

The third pivot joint part 53 release part 54

Locating hook 13 Fixed hole 151

Fixed block 152 Belt body 153

Backrest group 212 hinge 214

Boom 216 Connecting Pivot 217

Opening 221 Crossbar 226

Pivot 230 Adjustment Tube 234

Spring part 254 Groove 256

Disk 258

Concave surface 260 Interfere with flange 262

Long slot 267 Collapsible mechanism 270

Release lock 272 Connector 274

Strip part 282 Stop part 284

Pushing surface 290 Conflicting surface 292

Notch 521

Engagement bump 44B Front seat part 222A

Rear seat part 222B Bottom 232A

Side 258A, 258B forward engagement slot 264A

Rear engaging groove 264B and engaging protrusion 266B

First end 274A Second end 274B

【Detailed ways】

First, please refer to FIGS. 1 to 3A together, wherein FIG. 1 is a schematic view showing a state of an infant carrying device according to an embodiment of the present invention, and FIG. 2 is a partial structural view showing an infant carrying device according to an embodiment of the present invention. FIG. 3A It is a sectional view showing an infant carrying device according to an embodiment of the present invention. As shown in the figure, the baby carrying device 100 is an example of a stroller, but it is not limited thereto. The infant carrying device 100 includes a support frame body 1 , a seat assembly 2 , two backrest positioning parts 3 , a backrest tube 4 , two connecting parts 5 and a seat cloth 6 (shown in dotted lines). The support frame body here is a structure composed of a push rod 11, two rear leg tubes 12, two front leg tubes 13, several wheels 14, both side armrests 15 and a dinner plate 16 as an example. The push rod 11 and the rear leg tube 12 are engaged and positioned in a detachable manner. When the baby carrier 100 is used normally, the push rod 11 and the rear leg tube 12 are engaged together. When the baby carrier 100 is to be folded, The push rod 11 and the rear leg tube 12 can be separated from the engaging place. The front end of the side armrest 15 is connected to the dinner plate 16, the rear end is pivotally connected to the push rod 11, and is pivotally connected to the rear leg tube 12 between the front and rear ends. The side armrest 15 also includes at least one fixing hole 151 and a fixing block 152 One end of a belt body 153 passes through the fixing hole 151 and is fixedly connected to the fixing block 152, and the other end is fixedly connected to the seat cloth 6 sleeved on the backrest tube 4. When the support frame body 1 is folded or unfolded , the interlocking relationship between the support frame body 1 and the backrest tube 4 can be achieved. The dinner plate 16 can be locked between the armrests 15 on both sides. When not in use, the dinner plate 16 and the armrests 15 can be unlocked, and a positioning hook 131 is provided at the position of the front leg tube 13 corresponding to the position after the dinner plate 16 is released. Fix the position of the dinner plate 16 after releasing the lock.

The seat assembly 2 includes a seat tube 21 , a seat plate 22 and a basket tube 23 . One end of the seat pipe 21 is fixed with the seat plate 22 . Seat plate 22 is provided with an opening 221 on both sides of the bearing surface that can be used for infants to ride, and a backrest positioning part 3 is respectively arranged under it, and a plurality of engaging grooves 31 are provided on the backrest positioning part 3. The positioning member 3 can have different forms, it can be an independent unit locked on the seat plate 22 , or it can be a structure integrally formed with the seat plate 22 .

The backrest tube 4 of this embodiment is a tube body formed by joining two L-shaped tubes, so it is rotatably pivoted to the seat plate 22 and engaged with one of the engaging grooves 31, so that the backrest tube 4 It is fixed at the position desired by the user to form an inclination angle with the seat plate 22. The state shown in FIG. 1 is to lean against the tube 4 backwards, so that the infant can sit on the infant carrier in a forward-facing manner 100 in. As shown in Fig. 2 and Fig. 3A, two push buttons 41, a plurality of slots 42, 47, two traction parts 43, two engaging parts 44, two fixing parts 45 and two releasing parts are symmetrically arranged on the back against the pipe 4. Lock protrusion 46 . The two push buttons 41 are respectively sleeved above the backrest tube 4, and a slot 42 is provided at the position corresponding to the push button 41 of the backrest tube 4, and the slot 42 and the push button 41 are pierced by the fixing part 45, so that the push button 41 is It can be installed on the back pipe 4 in a sliding manner relative to the back pipe 4 . One end of each traction member 43 is connected to a push button 41 through a fixing member 45 , and the other end of the traction member 43 is connected to an engaging member 44 to drive the fixing member 45 and the traction member 43 to move when the push button 41 slides. The engaging member 44 is slidably disposed at the end of the backrest tube 4 , and an engaging protrusion 44B is formed at one end thereof for engaging with an engaging slot 31 on the backrest positioning member 3 . Preferably, the position of the push button 41 and the slot 42 is such that when the two push buttons 41 slide toward each other for a predetermined distance, the engaging projection 44B can be driven out of the engaging groove 31. When the seat plate 22 is at an inclination angle, it is only necessary to apply force to push the push button 41 and compress an elastic member (not shown) arranged on the engaging member 44, and then pivot the backrest tube 4 to a desired angle, It is enough to remove the above-mentioned force to make the engaging protrusion 44B be engaged with the other engaging groove 31 again by the action of the elastic member.

Please refer to FIG. 4 , which shows a state diagram of an embodiment of the present invention. There is an interlocking relationship between the release projection 46 and the engaging member 44. For example, the release projection 46 is preferably a washer, fixed to the engaging member 44 via a riveting member, and is backed by the pipe 4 in the corresponding release position. A slot 47 is provided at the lock protrusion 46, so that the release protrusion 46 passes through the slot 47 and is exposed outside the backrest tube 4, and when sliding along the slot 47, it will drive the engaging member 44 to move and disengage. The release projection 46 is not limited to the implementation of the aforementioned embodiments, and can also be implemented in different forms. For example, the release projection 46 can cooperate with the engaging member 44 in an integrated manner.

Please also refer to FIG. 3B , which is a schematic diagram showing the structure of a connector according to an embodiment of the present invention. As shown in the figure, the connector 5 includes a first pivotal portion 51, a second pivotal portion 52, a The third pivot portion 53 and the release portion 54 , the release portion 54 is disposed close to an inner surface of the first pivot portion 51 facing the seat plate 22 . The first pivotal portion 51 is pivotally connected to the push rod 11. In this embodiment, the push rod 11 is pivotally connected to an outer surface of the first pivotal portion 51, and the second pivotal portion 52 is provided with a notch 521 so that the seat The rear end of the tube 21 is pierced and pivotally connected therein. The outer front end of the seat tube 21 is pivotally connected to the front leg tube 13, the inner side of the front end is fixedly connected to the seat plate 22, and the third pivot joint 53 is connected to the rear leg tube 12 and the rear leg tube 12. The storage basket tube 23 is pivotally connected. Here, the storage basket tube 23 is socketed therein as an example, but it is not limited thereto.

When the baby carrying device 100 is to be folded, the user first releases the engagement connection state between the push rod 11 and the rear leg tube 12 to fold the supporting frame body 1, and pivotally connects the push rod 11 to the rear end of the side armrest 15 Rotate at the rotating shaft, so that the inclined state formed with the vertical direction when the push rod 11 is engaged with the rear leg tube 12 is pushed to the vertical direction. At this time, the connecting member 5 is connected to the third pivot joint 53 of the rear leg tube 12 It is a rotating shaft, which is driven by the push rod 11 to rotate backward, and then the push rod 11 is further moved down, so that the first pivotal part 51 rotates towards the storage basket tube 23, and at this time, it is connected to the second pivotal part 52 of the connector 5 The rear end of the seat tube 21 will also move towards the storage basket tube 23 along with the rotation of the connecting piece 5, and drive the front leg tube 13 and the rear leg tube 12 to gradually approach. At this time, the backrest tube 4 engaged in the engaging groove 31 moves toward the basket tube 23 along with the seat plate 22, and the release projection 46 on it also moves to the release portion 54 corresponding to the connector 5, And conflict with the release part 54, because the seat plate 22 continues to move down with the push rod 11, the release projection 46 against the pipe 4 is restricted by the release part 54 and moves along with the seat plate 22, thereby making the engaging part 44 is interlocked to release the engaging state of the engaging protrusion 44B and an engaging groove 31, and complete the folding of the seat plate 22 and the release of the back against the pipe 4, and the limit of the traction through the belt body 153 In this way, the backrest pipe 4 is maintained in a vertical state to reach the state of completion of the folding as shown in FIG. 5 . Therefore, when folded, the connecting piece 5 will push the release projection 46 of the backrest tube 4 when it rotates accordingly, so as to drive the engaging part 44 to move relative to the backrest tube 4, so that the backrest tube 4 is disengaged. The folding state can be changed by changing its fixed position to complete the folding. In this way, the folding operation can be simplified.

Please also refer to FIG. 6 , which is a schematic diagram showing the structure of an infant carrying device 200 according to another embodiment of the present invention. The infant carrying device 200 is, for example, a stroller, which can be easily folded and folded. As shown in the figure, the infant carrying device 200 is provided with a support frame body 202 , a seat assembly 210 and a backrest set 212 . The support frame body 202 includes a rear leg tube 204 , a front leg tube 205 , a wheel 206 and a push rod 208 , and the seat assembly 210 is provided with a seat plate 222 . According to an embodiment of the present invention, the rear leg tube 204 can be composed of a single pipe or several telescopic sleeves, and the rear leg tube 204 can be connected to the push rod 208 and the front leg tube 205 by the hinge 214 to form a collapsible tube. The folded support frame body 202 . The left side and the right side of the seat assembly 210 are assembled to the hinge 214 of the support frame body 202 via the connecting rod 216 and the connecting pivot member 217 respectively. One side of the connecting pivot member 217 is fixed to the hinge 214 connected to the push rod 208, and the other side is pivotally connected to the suspension rod 216. The pivot point connecting the pivot member 217 and the suspension rod 216 can be changed according to the position of the suspension rod 216. pivot. A mechanism (not shown) that can lock and release the front leg tube 205 and the push rod 208 is provided in the hinge 214 , and it can be connected with a button (not shown) provided at the end of the push rod 208 via a cable or other similar connecting elements. When the user operates the button to release the mechanism, the front leg tube 205, the rear leg tube 204 and the push rod 208 can rotate relatively to make the support frame body 202 fold. 216 to rotate the hinge 214 and simultaneously move downward or lower the height with the folding of the supporting frame body 202 to drive the folding of the seat assembly 210 and the backrest group 212 .

FIG. 7 is a schematic view showing the assembly of the seat assembly 210 and the backrest set 212 . As shown in the figure, the seat assembly 210 includes a seat panel 222 and a seat tube 224 fixed below the seat panel 222 . According to an embodiment of the present invention, the seat plate 222 can be divided into a front seat part 222A and a rear seat part 222B. The front end of the front seat part 222A is connected to the crossbar 226 (refer to FIG. 6 ) of the support frame body 202 . The left and right side edges of the rear seat part 222B can be respectively assembled to the suspension rod 216 by pivots 230 defined by riveting parts or similar elements.

Please refer to FIG. 7 and FIG. 8 at the same time, wherein FIG. 8 is a schematic diagram showing a partial structure of the backrest set 212 provided according to an embodiment of the present invention. As shown in the figure, the backrest group 212 includes two approximately parallel backrest tubes 232, an adjustment tube 234 connected to the top of the backrest tube 232, an engaging protrusion 266B and a spring member 254 disposed at the end of the backrest tube 232. . The backrest tube 232 and the adjustment tube 234 form an approximately U-shaped structure. In other embodiments, the adjustment tube 234 may be provided with an actuator similar to the push button 41 shown in FIG. 1 . The bottom ends 232A of the backrest tubes 232 are respectively pivotally assembled to a backrest positioning member 250 , so as to adjust and set the inclination angle of the backrest group 212 . The bottom end 232A of the backing tube 232 may be provided with an elongated slot 267 . A spring 254 , an engaging part 266 and a fixing part 268 are disposed in the slot 267 . By means of a fixing piece 268, such as a riveting piece, etc., passing through the side of the back against the pipe 232, passing through the long slot 267, a slot 233 of the locking piece 266 and back against the positioning piece 250, the locking piece can be fixed. 266 is disposed at the end of the backrest tube 232 and pivotally connects the backrest tube 232 to the backrest positioning member 250 . Thereby, the backrest tube 232 can rotate around the pivot formed by the fixing member 268 , so as to adjust its inclination angle relative to the seat plate 222 . One end of the spring 254 is connected to the engaging member 250 , and the other end is fixed inside the backrest tube 232 . In addition, since the fixing part 268 is accommodated between the upper and lower ends of the slot 233, when the user applies force to the actuator (not shown) on the adjustment tube 234 and is driven to engage by a cable or other similar connecting elements The piece 266 resists the elastic force of the spring 254, so that the engaging protrusion 266B is displaced along the long groove 267 and its long axis direction X direction, so as to break away from the engagement state with the backrest positioning member 250, and force can be applied again to make the backrest tube 232 After rotating to another angle, the external force applied to the actuator is released, and the engaging protrusion 266B is engaged in any engaging groove 264 again by virtue of the elastic force of the spring member 254 to complete the back rest group 212. Angle adjustment.

According to an embodiment of the present invention, the backrest positioning member 250 may be integrally formed on the seat plate 222 . The backrest positioning member 250 has a groove 256 that can be received and fixed to the seat tube 224 , and a disc 258 approximately vertically extending from the groove 256 . The groove 256 is located on one side 258A of the disc 258 , and the disc 258 has a concave surface 260 on the opposite side 258B of the groove 256 . A resisting flange 262 is formed on the lower edge of the inner concave surface 260 , which may be partially circular and includes a plurality of radial engaging grooves 264 at different angles. The shape of the engaging groove 264 can be inserted into the engaging protrusion 266B provided on the backrest tube 232 , so that the backrest tube 232 can be engaged at different inclination angles. According to this embodiment, the engaging groove 264 may include a forward engaging groove 264A and a backward engaging groove 264B, however, it is not limited thereto, and the engaging groove 264 may also have other directions and angles. The concave surface 260 and the conflicting flange 262 partially define a receiving space, in which the bottom end 232A of the tube 232 can be assembled.

In addition, when the infant carrying device 200 is folded, a folding mechanism 270 can also be used to push the engaging protrusion 266B of the backrest tube 232 to disengage from the engagement groove 264, so that the backrest tube 232 can follow the folding force. The orientation is automatically tilted. According to this embodiment, the folding mechanism 270 may include a release member 272 and a connecting member 274 connecting the release member 272 with the suspension rod 216 .

Please refer to FIG. 9 , which is a schematic diagram illustrating a release member 272 provided according to an embodiment of the present invention. As shown in the figure, the release member 272 may be approximately L-shaped, and includes a strip portion 282 and a stop portion 284 . In this embodiment, the top end of the strip portion 282 can be disposed in an open groove (not shown) on one side of the backrest positioning member 250 or inside, and pivotally connected to the backrest positioning member 250 via the fixing member 268 . The blocking portion 284 has a pushing surface 290 and a resisting surface 292 , and the strip portion 282 and the blocking portion 284 are disposed around the outer side of the resisting flange 262 . In addition, as shown in FIG. 7 , the release member 272 is also connected to the suspension rod 216 through the connecting member 274 . According to an embodiment of the present invention, the connecting member 274 is, for example, a connecting rod, the first end 274A of which is pivotally connected to the strip portion 282 , and the second end 274B of the connecting member 274 is pivotally connected to the suspension rod 216 .

10 and 11 are schematic diagrams illustrating the operation of the folding mechanism 270 . Wherein, FIG. 10 is a schematic diagram showing that when the baby carrier 200 is unfolded, the backrest tube 232 is engaged by the backrest positioning member 250 in a forward positioning state, and FIG. 11 is a diagram showing that when the baby carrier 200 is folded, the backrest A schematic diagram of the disengagement of the leaning tube 232 from the backrest positioning member 250 . Referring first to FIG. 10 , the engagement projection 266B of the backrest tube 232 is engaged in the forward engagement groove 264A by the elastic force of the spring member 254 , and the stopper 284 of the release member 272 is located in the forward engagement Between the groove 264A and the rearward engaging groove 264B. On the other hand, when the baby carrying device 200 is unfolded and positioned backward, the engaging projection 266B of the back against the tube 232 is engaged in the backward engaging groove 264B by the elastic force of the spring member 254 and The tube wall of the backrest tube 232 abuts against the abutment flange 262 of the rearward engaging groove 264B to provide a supporting force for the backrest tube 232 when used in the backward direction.

Next please refer to Fig. 6, Fig. 7 and Fig. 11, when the baby carrying device 200 is folded and closed, the front leg tube 205 and the push rod 208 can be relatively rotated after being released, and the user rotates the push rod 208 to make the suspension When the rod 216 and its pivoted end move downward, the suspension rod 216 connected to the push rod 208 will pivot about the pivot 230 , and drive the connecting member 274 to move forward. Pushed by the connecting member 274 , the unlocking member 272 will rotate around the pivot defined by the fixing member 268 , so that the blocking portion 284 moves forward to the engaging groove 264A. Thereby, the pushing surface 290 of the blocking portion 284 will push the engagement protrusion 266B against the tube 232 and overcome the elastic force of the spring member 254, so that the engagement protrusion 266B is disengaged from the forward engagement groove 264A, As shown in Figure 11. The engaging projection 266B of the backrest tube 232 is disengaged from the forward engaging groove 264A and is no longer engaged by the backrest positioning member 250, so the backrest tube 232 can be automatically tilted along the folding direction without additional manual operation and also When the baby carrying device 200 is folded and closed, the support frame body 202 and the suspender 216 move down to drive the lock release member 272 to move, and further push the backrest tube 232 out of engagement by the contact surface 292 .

With the folding mechanism provided by the present invention, the backrest tube can automatically disengage from the engagement of the backrest positioning mechanism when the stroller is folded and closed, thereby simplifying the manual operation required for folding. In addition to the above-mentioned embodiments, the folding mechanism of the present invention is also applicable to other seat assembly embodiments.

The above description is based on multiple different embodiments of the present invention, wherein each feature can be implemented singly or in different combinations. Therefore, the disclosure of the embodiments of the present invention is a specific example to illustrate the principles of the present invention, and the present invention should not be limited to the disclosed embodiments. Furthermore, the foregoing descriptions and accompanying drawings are merely illustrative of the present invention and are not intended to limit it. Changes or combinations of other elements are possible without departing from the spirit and scope of the present invention.

Claims (10)

1. foldable infant carrying device is characterized in that: comprising:

One supporting frame;

One seat-assembly comprises a seat tube and a seat board, and this seat board is fixedly connected on this seat tube;

One leans against locations, is arranged on this seat board and includes several engagement grooves;

One leans against pipe, can be pivotally connected in this seat board, and this end that leans against pipe arranges an engagement piece slidably, and wherein this engagement piece can optionally be sticked in one of these several engagement grooves; And

A connection piece comprises a release the lock section, and this attaching parts connects respectively this supporting frame and this seat tube;

Wherein, when folding and this seat board moved thereupon when this supporting frame, this release the lock section can limit this engagement piece and move with this seat board and this engagement piece is broken away from and the engaging of this engagement groove,

This engagement piece is and a release the lock projection interlock, and when this supporting frame was folding, this attaching parts can rotate thereupon, makes this release the lock section of this attaching parts promote this release the lock projection, and then makes this engagement piece interlock to remove and the engaging of one of these several engagement grooves.

2. foldable infant carrying device as claimed in claim 1, it is characterized in that: this leans against pipe and more comprises a push button and a traction piece, and this traction piece connects this push button and this engagement piece.

3. foldable infant carrying device as claimed in claim 2 is characterized in that: this leans against pipe and more comprises fluting and a connecting element, and this connecting element is connected with this push button and is arranged in this fluting, makes this push button can be slidably connected to this and leans against pipe.

4. foldable infant carrying device as claimed in claim 3 is characterized in that: during displacement one preset distance, this traction piece drives this engagement piece displacement to remove engaging of one of these several engagement grooves of engagement piece and this to this push button in this fluting.

5. foldable infant carrying device as claimed in claim 1, it is characterized in that: this supporting frame comprises a push rod and a rear foot, this attaching parts comprises one first articulated section, one second articulated section and one the 3rd articulated section, this first articulated section connects this push rod, this second articulated section connects this seat tube, and the 3rd articulated section connects this rear foot.

6. foldable infant carrying device as claimed in claim 5, it is characterized in that: this seat-assembly more comprises a storing basket pipe, the 3rd articulated section more is connected with this storing basket pipe.

7. foldable infant carrying device as claimed in claim 5, it is characterized in that: the end of this push rod engages this rear foot in the mode that can separate, when this supporting frame folds, this push rod be with this rear foot portion from.

8. foldable infant carrying device as claimed in claim 5, it is characterized in that: this release the lock section is arranged at this first articulated section.

9. foldable infant carrying device as claimed in claim 1, it is characterized in that: this supporting frame more comprises a forward foot in a step and a service plate, this forward foot in a step be to should being provided with a location hook by service plate, with this service plate location.

10. foldable infant carrying device as claimed in claim 1, it is characterized in that: this supporting frame more comprises a side handrail, comprise at least one fixed orifice and a fixed block, this leans against and is provided with a cloth on the pipe, be connected with a belt body between this side handrail and this cloth, one end of this belt body is fixed in this cloth, and the other end is fixed on this fixed block after passing this fixed orifice.

Images