CN109808759B - Baby carriage - Google Patents

Abstract

The invention discloses a baby carriage, wherein a folding hook device is arranged among a hand, a front foot and a rear foot of the baby carriage, when the baby carriage is folded, the folding hook device locks at least two of the hand, the front foot and the rear foot, so that the folded baby carriage is prevented from being opened, and the baby carriage is convenient to store, carry, transport and the like.

Description

Baby carriage

Technical Field

The invention relates to the technical field of infant carriers, in particular to a baby carriage capable of being locked after being folded.

Background

Infant carriers are widely used in families with infants, which provides great convenience for keeping an infant in sight. Taking a stroller as an example, existing strollers are designed to be foldable structures so as to be convenient for storage and carrying when not in use.

However, the existing baby carriages do not have a positioning structure to lock the folded baby carriage, so that the folded baby carriage is easy to open in the processes of carrying, transporting and the like, and is not beneficial to carrying or transporting. Meanwhile, in order to fold the stroller with a smaller size, a plurality of pivoting connection mechanisms are arranged on the stroller, so that the stroller is complex in structure, and the folding operation is not simple, convenient and smooth enough.

Therefore, there is a need to provide a stroller that can be locked after being folded and has a smaller size and a smoother folding operation, so as to solve the above-mentioned problems in the prior art.

Disclosure of Invention

The invention aims to provide a baby carriage which can be locked after being folded and has smaller volume.

Another object of the present invention is to provide a stroller that can be locked after being folded, has a smaller size, and is more smoothly folded.

In order to achieve the purpose, the technical scheme of the invention is as follows: the baby carriage comprises a hand, a front foot, a rear foot and a folding hook device, wherein the hand, the front foot and the rear foot are pivoted, the folding hook device is arranged among the hand, the front foot and the rear foot, and when the baby carriage is folded, the folding hook device locks at least two of the hand, the front foot and the rear foot.

Preferably, the hook folding device includes a locking pin and a first elastic member, the locking pin is slidably connected to the handle and has a first position and a second position opposite to each other, when the stroller is unfolded, the locking pin is located at the first position, when the stroller is folded, the locking pin is located at the second position to be engaged with the front leg or the rear leg, the first elastic member abuts against between the locking pin and the handle, and the first elastic member makes the locking pin have a tendency of sliding from the first position to the second position.

Preferably, the front leg or the rear leg is provided with a locking hole, and the locking pin is locked in the locking hole when in the second position.

Preferably, the hook closing device further comprises a button slidably connected to the front leg or the rear leg, the button being configured to actuate the locking pin to slide from the second position to the first position.

Preferably, the hook closing device further includes a second elastic member abutting against the button for driving the button to reset.

Preferably, a pushing column is protruded from the button, and the pushing column is used for pushing the locking pin.

Preferably, the button is further provided with a connecting column in a protruding manner, the end part of the connecting column is provided with a contact part in a protruding manner, the connecting column is connected to the front foot or the rear foot in a sliding manner, and the contact part is contacted with the front foot or the rear foot to prevent the button from being separated.

Preferably, the stroller further comprises a handle connecting member connected to the lower end of the handle, a front leg connecting member connected to the upper end of the front leg, and a rear leg connecting member connected to the upper end of the rear leg, wherein the handle connecting member, the front leg connecting member, and the rear leg connecting member are pivotally connected to the same pivot shaft, and the retracting hook device is disposed between any two of the handle connecting member, the front leg connecting member, and the rear leg connecting member.

Preferably, the stroller further comprises a frame joint and a linkage rod, the linkage rod and the handle are pivotally connected through the frame joint, the other end of the linkage rod is pivotally connected to the rear leg, and the folding effect of the stroller can be generated by the action of the frame joint.

Preferably, the rider comprises an upper rider and a lower rider which are pivoted, the lower end of the upper rider is further connected to the frame joint, and the lower end of the lower rider is pivoted to the front leg and the rear leg.

Preferably, the frame joint comprises a first joint and a second joint which are pivoted with each other, the first joint is fixed on the driver, and the second joint is fixed on the linkage rod.

Preferably, the stroller further comprises a frame locking mechanism arranged on the frame joint and used for locking the frame joint, and the frame locking mechanism can push the frame joint to move after being unlocked.

Preferably, the frame locking mechanism includes a latch, a fixing member and a third elastic member; the clamping piece is movably accommodated between the first joint and the second joint; the fixing piece can be connected to the first joint in a sliding mode, and the clamping piece can be pushed into the first joint or the second joint when the fixing piece slides, so that the first joint and the second joint can rotate relatively; the third elastic piece is abutted against the clamping piece and used for driving the clamping piece to reset.

Preferably, the fixing member has a first inclined surface, the engaging member has a second inclined surface matching with the first inclined surface, and when the fixing member slides, the first inclined surface presses the second inclined surface to move the engaging member.

Preferably, the frame locking mechanism further comprises a release member and a fourth elastic member; the unlocking piece is connected with the first joint in a sliding way, one end of the unlocking piece protrudes out of the first joint, the other end of the unlocking piece is fixed on the fixing piece, and the unlocking piece can be pushed to slide by the folding of a driver; two ends of the fourth elastic piece are respectively abutted against the release piece and the first joint and used for driving the release piece to reset.

Preferably, the upper handle comprises an upper rod and a lower rod which are telescopically connected, and the upper rod can push the frame joint to unlock after being contracted.

Preferably, the stroller further comprises a rider locking mechanism disposed between the upper and lower bars for positioning the upper and lower bars.

Preferably, the driver locking mechanism comprises a locking piece, a driving piece and a fifth elastic piece; the locking piece is connected to the upper rod piece in a sliding mode and is detachably clamped with the lower rod piece; the driving piece is connected with the upper rod piece in a sliding manner, is connected with the locking piece and is used for driving the locking piece to slide; the fifth elastic piece is abutted between the driving piece and the upper rod piece and used for driving the driving piece to reset.

Preferably, the lower rod is provided with a plurality of locking holes at intervals, and the locking piece is detachably clamped in any locking hole.

Preferably, the driving member is provided with a driving chute, a connecting member penetrates through the driving chute and is fixed at one end of the locking piece, and when the driving member slides, the locking piece is driven to slide by the interaction of the driving chute and the connecting member.

Preferably, the sliding direction of the locking piece is staggered with the sliding direction of the driving piece.

Preferably, the locking mechanism further comprises a pushing member fixed to the end of the upper rod, the driving member is slidably connected to the pushing member, and the fifth elastic member abuts between the driving member and the pushing member.

Preferably, the rider further comprises a folding operation member, and the folding operation member can drive the driving member to slide.

Preferably, the retracting operation member is connected with the driving member through a traction member.

Compared with the prior art, the folding hook device is arranged among the handle, the front leg and the rear leg of the baby carriage, when the baby carriage is folded, the folding hook device can lock at least two of the handle, the front leg and the rear leg, so that the folded baby carriage is prevented from being opened, the baby carriage is convenient to store, carry, transport and the like, and the folded baby carriage has smaller volume. Furthermore, because the baby carriage is provided with the frame joint and the linkage rod, the folding effect of the baby carriage can be generated by the action of the frame joint, so that the folding operation of the baby carriage is smoother and simpler.

Drawings

Fig. 1 is a schematic view of the structure of the stroller of the present invention.

Fig. 2 is a schematic view of the stroller in fig. 1 in a folded state.

Fig. 3 is an enlarged schematic view of the folding joint in fig. 1.

Fig. 4 is an exploded view of fig. 3.

Fig. 5 is an exploded view from another angle of fig. 3.

Fig. 6 is a schematic view of the structure of the button in fig. 5.

Fig. 7 is a sectional view of fig. 3.

Fig. 8 is another state diagram of fig. 7.

Fig. 9 is a schematic structural view of another corner of fig. 1.

Fig. 10 is a schematic view of a structure of another corner of fig. 1.

Fig. 11 is an exploded view of the frame joint of fig. 10.

Fig. 12 is a cross-sectional view of the frame joint of fig. 10.

Fig. 13 is another cross-sectional view of the frame joint of fig. 10.

Fig. 14 is another state diagram of fig. 13.

Fig. 15 is a cross-sectional view of the upper rider in fig. 10.

FIG. 16 is a schematic view of another state of the hand locking mechanism of FIG. 15.

Fig. 17 is another state diagram of the rider in fig. 15.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements.

As shown in fig. 1, the stroller 100 of the present invention includes a handle 110, a front leg 120, a rear leg 130, a folding joint 140 and a folding hook device 150. The handle 110, the front leg 120, and the rear leg 130 are pivotally connected by the folding joint 140, the folding hook device 150 is disposed on the folding joint 140, and after the stroller 100 is folded, the folding hook device 150 locks at least two of the handle 110, the front leg 120, and the rear leg 130 to prevent the folded stroller 100 from being opened.

As further shown in fig. 1 and 5, the folding joint 140 includes a handle connecting member 141, a rear foot connecting member 142, and a front foot connecting member 143 (see fig. 5) pivotally connected to the same pivot axis, wherein the handle connecting member 141 is fixed to the lower end of the handle 110, the rear foot connecting member 142 is fixed to the upper end of the rear foot 130, the front foot connecting member 143 is fixed to the upper end of the front foot 120, and the folding hook device 150 is disposed between any two of the handle connecting member 141, the front foot connecting member 143, and the rear foot connecting member 142.

With continued reference to fig. 1-5, the retracting hook device 150 includes a locking pin 151, a button 152, a first resilient member 153, and a second resilient member 154. The locking pin 151 is slidably connected to the handle link 141 and has a first position and a second position opposite to each other, when the stroller 100 is unfolded, the locking pin 151 is located at the first position, and when the stroller 100 is folded, the locking pin 151 is located at the second position to be engaged with the rear foot link 142; the first elastic member 153 abuts between the locking pin 151 and the rider connecting member 141, and the first elastic member 153 keeps the locking pin 151 having a tendency to move from the first position to the second position. The button 152 is slidably connected to the rear foot connecting member 142, and is used for driving the locking pin 151 to slide from the second position to the first position, and the second elastic member 154 abuts against the button 152 and the rear foot connecting member 142, and is used for driving the button 152 to reset.

Referring to fig. 3-6 and 7-8, the handlebar attachment member 141 is provided with a receiving hole 1411, the first elastic member 153 is received in the receiving hole 1411, one end of the locking pin 151 is received in the receiving hole 1411 and abuts against the first elastic member 153, and the elastic force of the first elastic member 153 can push the locking pin 151 to make the other end protrude out of the receiving hole 1411.

In addition, the rear foot connecting member 142 is provided with an engaging hole 1421 and at least one through hole 1422, the button 152 is slidably connected to the engaging hole 1421 and the through hole 1422, and when the stroller 100 is folded, the locking pin 151 is engaged with the engaging hole 1421 to lock the rider 110 and the rear foot 130; the button 152 slides to push the locking pin 151 to slide out of the engaging hole 1421, so that the handle coupler 141, the rear foot coupler 142, and the front foot coupler 143 can pivot to open the stroller 100.

Referring to fig. 5-6, the button 152 is provided with a pushing column 1521 and at least one connecting column 1522, the end of the connecting column 1522 is provided with an interference portion 1522a, and the middle of the button 152 is further provided with a positioning hole 1523 for accommodating the second elastic member 154. The button 152 is slidably connected to the through hole 1422 of the rear connecting member 142 through a connecting post 1522, and the abutting portion 1522a of the end portion of the button abuts against the rear connecting member 142, the pushing post 1521 is slidably connected to the engaging hole 1421, the second elastic member 154 abuts between the button 152 and the rear connecting member 142, and one end of the second elastic member 154 is accommodated in the positioning hole 1523. When the button 152 is pressed, the button 152 slides to make the pushing column 1521 push the locking pin 151 to slide, after the acting force on the button 152 is released, the button 152 can be reset under the elastic force of the second elastic member 154, and the button 152 can be prevented from being separated due to the interference of the interference part 1522a and the rear foot connecting member 142.

Referring now to fig. 1-2 and 7-8, when the stroller 100 is in the unfolded state, the end of the locking pin 151 abuts against the inner wall surface of the rear foot connecting member 142 to be in the first position, and the first elastic member 153 is in the compressed state, as shown in fig. 7.

When the stroller 100 is folded, the handle connecting member 141, the rear foot connecting member 142, and the front foot connecting member 143 pivot relatively, so that the engaging hole 1421 of the rear foot connecting member 142 pivots to correspond to the locking pin 151, and at this time, the elastic force of the first elastic member 153 drives the locking pin 151 to slide and engage with the engaging hole 1421, so that the locking pin 151 is located at the second position, as shown in fig. 8, the folded stroller 100 can be prevented from being opened by locking the handle 110 and the rear foot 130, so as to facilitate storage, carrying, transportation, and the like.

When the stroller 100 needs to be unfolded again, the push button 152 is pressed along the direction indicated by the arrow F in fig. 8, the push button 152 slides to make the push pillar 1521 push the locking pin 151 to slide, and when the locking pin 151 exits from the engaging hole 1421 and is located at the first position, the handle link 141, the rear foot link 142, and the front foot link 143 can be relatively pivoted to unfold the stroller 100. During the process that the button 152 pushes the locking pin 151 to slide, the first elastic member 153 and the second elastic member 154 are both compressed, after the stroller 100 is unfolded, the acting force on the button 152 is released, the button 152 is reset under the action of the second elastic member 154, the locking pin 151 is in the first position due to the fact that the locking pin again abuts against the inner wall surface of the rear foot connecting member 142, and the first elastic member 153 is in a compressed state.

As shown in fig. 1, 9-12, the stroller 100 provided by the present invention further comprises a linkage 160, a frame joint 170, and a frame locking mechanism 180 (see fig. 12). The upper end of the linkage rod 160 is pivotally connected to the handle 110 through a frame joint 170, the lower end of the linkage rod 160 is pivotally connected to the rear leg 130, the folding effect of the stroller 100 can be generated by the actuation of the frame joint 170, and the frame locking mechanism 180 is disposed on the frame joint 170 to lock the stroller 100 in the unfolded state and to unlock the stroller 100 so that the stroller 100 can be folded.

Furthermore, the handle 110 includes an upper handle 111 and a lower handle 112 pivotally connected to each other, the lower end of the upper handle 111 and the upper end of the linking rod 160 are pivotally connected to each other through the frame joint 170, the lower end of the lower handle 112 is fixedly connected to the handle connecting member 141, when the stroller 100 is folded, the upper handle 111 and the lower handle 112 can be pivotally folded, as shown in fig. 2, so as to further reduce the volume of the folded stroller 100.

With reference to fig. 9-14, the frame joint 170 includes a first joint 171 and a second joint 172 that are pivotally connected to each other, the first joint 171 is fixed to the lower end of the upper handle 111 and has a first receiving cavity 1711, the second joint 172 is fixed to the upper end of the linkage 160 and has a second receiving cavity 1721 (see fig. 14) corresponding to the first receiving cavity 1711, and the frame locking mechanism 180 is disposed between the first receiving cavity 1711 and the second receiving cavity 1721.

With continued reference to fig. 11-14, the frame locking mechanism 180 includes a release member 181, a fixing member 182, an engaging member 183, a third elastic member 184, and a fourth elastic member 185. The engaging member 183 is movably accommodated between the first accommodating cavity 1711 and the second accommodating cavity 1721, and the third elastic member 184 abuts between the engaging member 183 and the first joint 171 and is used for driving the engaging member 183 to reset; the release member 181 is slidably connected to the first joint 171, one end of the release member 181 protrudes out of the first joint 171, the other end of the release member is fixedly connected to the fixing member 182, the release member 181 slides to make the fixing member 182 slide together to push the engaging member 183, and two ends of the fourth elastic member 185 respectively abut against the release member 181 and the first joint 171 for driving the release member 181 to reset.

As shown in fig. 11, 13-14, more specifically, a first inclined surface 1821 is formed at an end of the fixing member 182, the engaging member 183 is slidably connected to the pivot shafts of the first joint 171 and the second joint 172, and a second inclined surface 1831 matched with the first inclined surface 1821 is formed on the engaging member 183. When the fixing member 182 slides, the first inclined surface 1821 presses the second inclined surface 1831 to push the engaging member 183 to slide and disengage from the second joint 172, so that the first joint 171 and the second joint 172 can rotate relatively.

Of course, the first joint 171 and the second joint 172 can be pivoted similarly by sliding the fixing member 182 to push the engaging member 183 to disengage from the first joint 171.

Referring to fig. 11-12, the release member 181 is provided with a sliding groove 1811, and an end wall of the sliding groove 1811 is convexly provided with a protruding column, after the release member 181 is accommodated in the first joint 171, the sliding groove 1811 is disposed on the rod 186 for fixing the first joint 171 and the upper handle 111, the fourth elastic member 185 is accommodated in the sliding groove 1811, and one end of the fourth elastic member is sleeved outside the protruding column, two ends of the fourth elastic member 185 respectively abut against the rod 186 and the end wall of the release member 181, and when the release member 181 is pushed to slide along the rod 186, the fourth elastic member 185 is compressed.

Referring to fig. 9-10 and 15-17, the upper handle 111 of the present invention is a telescopic structure, and the upper handle 111 is provided with a handle locking mechanism 190 (see fig. 15) for positioning the upper handle, after the handle locking mechanism 190 is unlocked, the upper handle 111 can be pushed to retract, and after the upper handle 111 is completely retracted, the frame locking mechanism 180 can be pushed to unlock, so that the unlocking operation of the stroller 100 is continuous and convenient, and the volume of the folded stroller 100 can be further reduced.

Referring to fig. 9-10, the upper handlebar 111 includes an upper rod 1111 and a lower rod 1112 connected in a telescopic manner, the lower rod 1112 is provided with a plurality of locking holes 1112a at intervals, and the handlebar locking mechanism 190 is disposed between the upper rod 1111 and the lower rod 1112 and is detachably engaged with any locking hole 1112 a.

As further shown in fig. 15-17, the rider locking mechanism 190 includes a driving member 191, a locking piece 192, a fifth elastic member 193, and an urging member 194. The pushing element 194 is fixed at an end of the upper rod 1111 and has an accommodating space (not numbered), the driving element 191 is connected in the accommodating space and can slide along an axial direction of the upper rod 1111, the locking piece 192 is connected to the driving element 191 and can slide along a radial direction of the upper rod 1111, the locking piece 192 can protrude out of the upper rod 1111 to be detachably engaged with the locking hole 1112a, and two ends of the fifth elastic element 193 respectively abut against the pushing element 194 and the driving element 191 to drive the driving element 191 to reset. When the driving member 191 slides, the driving member 191 can drive the locking piece 192 to slide, when the locking piece 192 disengages from the locking hole 1112a on the lower rod 1112, the upper rod 1111 can be pushed to slide relative to the lower rod 1112, and when the upper rod 1111 is retracted into the lower rod 1112, the pushing member 194 will push the end of the releasing member 181 of the frame locking mechanism 180, and can push the releasing member 181 to slide downward together with the fixing member 182, so that the fixing member 182 will push the engaging member 183 to slide and disengage from the second joint 172, thereby enabling the frame joint 170 to pivot to fold the stroller 100.

As shown in fig. 10 and 15-17, the locking mechanism 190 further includes a pulling member 195 and a retracting member 196, the retracting member 196 is disposed on the rider and has a structure that is conventional in the art, and will not be described further, the retracting member 196 is connected to the driving member 191 through the pulling member 195, and when the retracting member 196 is operated, the driving member 191 can be driven to slide.

Referring to fig. 15-17 again, a driving inclined groove 1911 is formed on the driving member 191, a connecting member 197 is fixed to one end of the locking piece 192, and the connecting member 197 is inserted into the driving inclined groove 1911, so that when the driving member 191 slides, the locking piece 192 is driven to slide by the interaction of the driving inclined groove 1911 and the connecting member 197.

The collapsing process of the stroller 100 according to the present invention will be described with reference to fig. 1 to 17.

Referring first to fig. 10, 15-17, when folding is required, the folding operation member 196 is operated, the driving member 191 is pulled by the pulling member 195 to slide, and under the interaction of the driving chute 1911 and the connecting member 197, the driving member 191 drives the locking piece 192 to slide and disengage from the locking hole 1112a on the lower rod 1112, and at this time, the upper rod 1111 of the rider 110 can be pushed to slide and retract relative to the lower rod 1112.

As shown in fig. 17, when the upper rod 1111 slides to push the pushing element 194 at the end thereof to push the end of the releasing element 181, the pushing releasing element 181 and the fixing element 182 slide downward synchronously, the first inclined surface 1821 on the fixing element 182 pushes the second inclined surface 1831 on the engaging element 183, and further the engaging element 183 slides to disengage from the second joint 172, as shown in fig. 15, the upper handle 111 can be pushed to pivot relative to the lower handle 112 and the linking rod 160, and the lower handle 112 and the linking rod 160 drive the front leg 120 and the rear leg 130 to pivot, so that the lower handle 112, the front leg 120 and the rear leg 130 pivot relatively close together, and the folded stroller 100 has a smaller volume as shown in fig. 2.

After the stroller 100 is folded, the engaging hole 1421 of the rear leg connecting member 142 corresponds to the locking pin 151, and the locking pin 151 is engaged with the engaging hole 1421 under the elastic force of the first elastic member 153, as shown in fig. 9, so as to lock the rider 110 and the rear leg 130 to prevent the stroller 100 from being opened, which is convenient for storage, carrying, transportation, and the like.

When the stroller 100 needs to be unfolded again, the push button 152 is pressed along the direction indicated by the arrow F in fig. 8, the push button 152 slides to make the push pillar 1521 push the locking pin 151 to slide, and when the locking pin 151 exits from the engaging hole 1421 and is located at the first position, the handle link 141, the rear foot link 142, and the front foot link 143 can be relatively pivoted to unfold the stroller 100. During the process that the button 152 pushes the locking pin 151 to slide, the first elastic member 153 and the second elastic member 154 are both compressed, after the stroller 100 is unfolded, the acting force on the button 152 is released, the button 152 is reset under the action of the second elastic member 154, the locking pin 151 is in the first position due to the fact that the locking pin again abuts against the inner wall surface of the rear foot connecting member 142, and the first elastic member 153 is in a compressed state, as shown in fig. 7.

In summary, since the stroller 100 of the present invention has the hook folding device 150, the hook folding device 150 is disposed between the handle 110, the front leg 120 and the rear leg 130, when the stroller 100 is folded, the hook folding device 150 can lock at least two of the handle 110, the front leg 120 and the rear leg 130, so as to prevent the folded stroller 100 from being opened, thereby facilitating storage, carrying, transportation and the like, and the folded stroller 100 has a smaller volume. Furthermore, since the stroller 100 is further provided with the frame joint 170 and the linkage rod 160, the folding operation of the stroller 100 can be smoother and more convenient by the operation of the frame joint 170 to generate the overall folding effect of the stroller 100.

The structure of the other parts of the stroller 100 according to the present invention is well known to those skilled in the art and will not be described in detail herein.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.

Claims (23)

1. A baby carriage comprises a hand, a front foot and a rear foot which are pivoted, and is characterized by further comprising a hook folding device, wherein the hook folding device comprises:

the locking pin is slidably connected with the handle and has a first position and a second position which are opposite to each other, when the baby carriage is unfolded, the locking pin is in the first position and is separated from the front leg or the rear leg, and when the baby carriage is folded, the locking pin is in the second position and is clamped with the front leg or the rear leg so as to prevent the folded baby carriage from being opened;

the first elastic piece is abutted between the locking pin and the driver, and the first elastic piece enables the locking pin to have a tendency of sliding from the first position to the second position.

2. The stroller as claimed in claim 1, wherein the front leg or the rear leg has an engaging hole, and the locking pin is engaged with the engaging hole when in the second position.

3. The stroller as recited in claim 1, wherein said hook assembly further comprises a button slidably coupled to said front leg or said rear leg for actuating said locking pin to slide from said second position to said first position.

4. The stroller as recited in claim 3, wherein said hook-receiving means further comprises a second resilient member abutting said button for urging said button to return.

5. The stroller as recited in claim 3, wherein a push post is projected from said button, said push post being adapted to push said locking pin.

6. The stroller of claim 3, wherein the button further comprises a connecting post, an end of the connecting post is provided with an interference part, the connecting post is slidably connected to the front leg or the rear leg, and the interference part interferes with the front leg or the rear leg to prevent the button from being disengaged.

7. The stroller of claim 1, further comprising a handle connector connected to a lower end of the handle, a front foot connector connected to an upper end of the front foot, and a rear foot connector connected to an upper end of the rear foot, wherein the handle connector, the front foot connector, and the rear foot connector are pivotally connected to a same pivot shaft, and the retracting hook device is disposed between the handle connector and the front foot connector, or between the handle connector and the rear foot connector.

8. The stroller as claimed in claim 1, further comprising a frame joint and a linkage rod, wherein the linkage rod and the handle are pivotally connected to each other via the frame joint, and the other end of the linkage rod is pivotally connected to the rear leg, so that the folding effect of the stroller can be generated by the movement of the frame joint.

9. The stroller as recited in claim 8, wherein said rider comprises an upper rider and a lower rider pivotally connected to each other, a lower end of said upper rider is further connected to said frame joint, and a lower end of said lower rider is pivotally connected to said front leg and said rear leg.

10. The stroller as recited in claim 8, wherein the frame joint comprises a first joint and a second joint pivotally connected to each other, the first joint is fixed to the handle, and the second joint is fixed to the linkage.

11. The stroller as recited in claim 10, further comprising a frame locking mechanism disposed on the frame joint for locking the frame joint, wherein the frame locking mechanism is capable of pushing the frame joint to move when the frame locking mechanism is unlocked.

12. The stroller as recited in claim 11, wherein said frame locking mechanism comprises:

an engaging piece which is movably accommodated between the first joint and the second joint;

the fixing piece is connected to the first joint in a sliding mode, and when the fixing piece slides, the clamping piece can be pushed into the first joint or the second joint, so that the first joint and the second joint can rotate relatively;

and the third elastic piece is abutted against the clamping piece and used for driving the clamping piece to reset.

13. The stroller of claim 12, wherein the fixing member has a first inclined surface, the engaging member has a second inclined surface matching with the first inclined surface, and when the fixing member slides, the first inclined surface presses the second inclined surface to move the engaging member.

14. The stroller as recited in claim 12, wherein said frame locking mechanism further comprises:

the unlocking piece is connected with the first joint in a sliding manner, one end of the unlocking piece protrudes out of the first joint, the other end of the unlocking piece is fixed on the fixing piece, and the unlocking piece can be pushed to slide by means of the folding of the rider;

and two ends of the fourth elastic piece are respectively abutted against the release piece and the first joint and used for driving the release piece to reset.

15. The stroller as recited in claim 9, wherein said upper handle member comprises an upper rod member and a lower rod member telescopically coupled, said upper rod member being retractable to urge said frame joint to release said lock.

16. The stroller of claim 15, further comprising a rider locking mechanism disposed between the upper bar and the lower bar to position the upper bar and the lower bar.

17. The stroller as recited in claim 16, wherein said rider locking mechanism comprises:

the locking piece is connected to the upper rod piece in a sliding mode and is detachably clamped with the lower rod piece;

the driving piece is connected to the upper rod piece in a sliding mode, is connected with the locking piece and is used for driving the locking piece to slide;

and the fifth elastic piece is abutted between the driving piece and the upper rod piece and used for driving the driving piece to reset.

18. The stroller as recited in claim 17, wherein a plurality of locking holes are spaced apart from each other on said lower bar, said locking tab being detachably engaged in any one of said locking holes.

19. The stroller as claimed in claim 17, wherein the driving member defines a driving slot, a connecting member is disposed through the driving slot and fixed to an end of the locking piece, and the driving member slides to drive the locking piece to slide by interaction of the driving slot and the connecting member.

20. The stroller as recited in claim 19, wherein the sliding direction of the locking tab is staggered with respect to the sliding direction of the driving member.

21. The stroller as recited in claim 19, wherein said handle lock mechanism further comprises an ejector fixed to an end of said upper rod, said driving member is slidably connected to said ejector, and said fifth resilient member abuts between said driving member and said ejector.

22. The stroller as claimed in claim 17, wherein the handle further comprises a retracting operation member, and the driving member is driven to slide by the retracting operation member.

23. The stroller as recited in claim 22, wherein said retracting operator is coupled to said drive member by a traction member.

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