CN216070162U - Wheel locking structure and baby carriage with same - Google Patents

Abstract

The utility model relates to a wheel locking structure and perambulator that has this locking structure thereof relates to the field of infant's apparatus technique, and it includes the wheel that two relative settings, two the axle center department of wheel all rotates and is connected with the support shell, be provided with the locking subassembly that slides along length direction in the support shell, the locking subassembly includes the locking piece, support the shell surface and set up the removal hole that supplies the locking piece to slide along length direction, set up the locking groove that supplies the locking piece to peg graft on the wheel, be provided with the rope on the locking subassembly, two be provided with the locking lever between the support shell, the one end in keeping away from the wheel axle center on the support shell is set up to the locking lever, be provided with the drive assembly who is used for the pulling rope on the locking lever, still include the automobile body, locking structure sets up the lower extreme with the automobile body. This application has the effect that the user of being convenient for used perambulator.

Description

Wheel locking structure and baby carriage with same

Technical Field

The application relates to the technical field of infant appliances, in particular to a wheel locking structure and a baby carriage with the same.

Background

A baby carriage is a handcart specially used for transporting babies, and the babies can sit, lie and rest in the baby carriage to replace passing back belts or cradles.

In the related art, at least three wheels are generally arranged at the bottom of the stroller, two wheels belong to the rear wheels, a locking rod for locking the rear wheels is coaxially arranged between the two rear wheels, a locking piece for a user to step on is arranged on the locking rod, and the user can control whether the wheels can rotate or not by moving the position of the locking piece, so that whether the stroller can move or not can be controlled.

In view of the above-mentioned related art, the inventor believes that the locking lever is provided coaxially with the rear wheel so that the locking piece is located at a lower position, and when the user pushes the stroller to move, the foot of the user may act on the locking piece to lock the stroller, which is inconvenient for the user to use the stroller, and there is still room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the user to use the baby carriage, the application provides a wheel locking structure and a baby carriage with the same.

First aspect, the application provides a wheel locking structure adopts following technical scheme:

the utility model provides a wheel locking structure, includes the wheel of two relative settings, two the axle center department of wheel all rotates and is connected with the support shell, be provided with the locking subassembly that slides along length direction in the support shell, the locking subassembly includes the locking piece, the removal hole that supplies the locking piece to slide along length direction is seted up to the support shell surface, set up the locking groove that supplies the locking piece to peg graft on the wheel, be provided with the rope on the locking subassembly, two be provided with the locking lever between the support shell, the locking lever sets up the one end of keeping away from the wheel axle center on the support shell, be provided with the drive assembly who is used for the pulling rope on the locking lever.

By adopting the technical scheme, the wheels can rotate relative to the supporting shell when in normal use so as to move integrally in the wheel locking structure; when needs locked the wheel, utilize drive assembly can stimulate the rope, make locking assembly can remove to the direction of keeping away from the wheel along the length direction who supports the shell to make the locking piece remove along removing hole length direction so that the locking piece inserts the locking groove, locking piece and locking groove lateral wall joint this moment make the difficult relative support shell rotation of wheel, thereby realized the locking of wheel.

Optionally, the locking assembly further comprises a driving block and a driven block, the rope is fixedly connected to the upper end of the driving block, a positioning block is arranged on the driven block, a positioning groove for the positioning block to slide along the length direction is formed in the driving block, and the locking block is arranged on the driven block and is far away from the end face of the positioning block.

By adopting the technical scheme, when the driving assembly pulls the rope, the acting force of the rope acts on the upper end of the driving block to enable the driving block to move upwards, the positioning block can abut against the lower side wall of the positioning groove after the driving block moves upwards for a certain distance, and the driving block can drive the positioning block to move upwards, so that the driven block can move upwards, and the locking block can move upwards to be inserted into the locking groove; when the effort cancellation of drive assembly to the rope, the initiative piece can move down under the effect of gravity, makes the ascending effort that receives on the driven piece disappear to make the locking piece shift out from the locking groove, so that the normal use of wheel.

Optionally, a buffer spring is clamped between the lower surface of the positioning block and the lower side wall of the positioning groove.

Through adopting above-mentioned technical scheme, stop moving after the initiative piece moves down to corresponding position, the locating piece still is in the process of removing downwards this moment, and buffer spring's setting makes the locating piece can cushion when being close to lateral wall under the constant head tank to reduce the locating piece and strike lateral wall under the constant head tank and make the locating piece the possibility of damage appear, improved the stability and the security of locating piece in the use.

Optionally, the supporting shell inner side wall is fixedly connected with a fixing block which is inserted and slides in the positioning groove, and a reset spring is clamped and connected between the fixing block and the positioning block.

Through adopting above-mentioned technical scheme, when locking Assembly slided upwards, relative movement appeared with the driven part in the initiative piece, and reset spring is compressed this moment, and when drive Assembly disappeared to the effort of rope, the extrusion force that reset spring received disappeared, and reset spring made the quick downstream of locating piece to the locating piece extrusion to make locking piece shift out the locking groove fast, so that the normal use of wheel.

Optionally, the driving assembly includes a locking shell disposed in the locking rod and two moving blocks sliding along the length direction of the locking rod, the moving blocks are disposed in the locking shell, one end of the rope far away from the driving block is fixedly connected to the moving blocks, the moving blocks are connected to driving rods in an inserted manner, and the locking rod is provided with driving holes for the driving rods to slide along the length direction of the locking rod.

Through adopting above-mentioned technical scheme, when needs applied effort to the rope, portable actuating lever made the actuating lever remove along drive hole length direction, and the actuating lever drives the movable block and removes to the middle part of locking shell length direction to make the movable block can drive the rope and remove, in order to realize applying the effort to the rope.

Optionally, a roller is rotatably connected in the support shell, and the bent portion of the rope abuts against the outer surface of the roller.

Through adopting above-mentioned technical scheme, at the in-process that the rope removed, the rope drove the gyro wheel and removes, makes the frictional force that the department of buckling of rope received reduce to reduce the condition that the department of buckling of rope appears wearing and tearing, improved the security of rope in the use.

Optionally, drive assembly still includes to rotate and connects in the drive block of locking lever lateral wall, the inside wall of drive block is provided with the guide block with the actuating lever one-to-one, be provided with the spigot surface that supplies the actuating lever butt to slide on the guide block, the spigot surface is close to each other with two actuating levers of guide, be close to another on the spigot surface the joint groove that supplies the actuating lever to slide in the joint is seted up to the one end of spigot surface.

By adopting the technical scheme, when a user needs to move the driving rods, the driving blocks can be rotated to enable the driving rods to move along the length direction of the driving holes under the action of the guide surfaces, at the moment, the two driving rods can approach each other, so that the two moving blocks are driven to stretch and move, and the user can lock wheels at two ends at the same time conveniently; simultaneously, when the actuating lever slided into the joint inslot along the spigot surface, the actuating lever can the joint in the joint inslot when not receiving the effect of external force to it keeps away from each other and makes the condition emergence of wheel locking state cancellation to reduce two actuating levers.

Optionally, the outer side wall of the driving block is provided with a locking piece which is stepped by a user, and the locking piece is provided with a state identifier for the user to distinguish a locking state.

Through adopting above-mentioned technical scheme, when the user need lock or the unblock the wheel, the locking plate is trampled in order to rotate the drive block to the accessible, and simultaneously, the user can judge this locking structure's state according to the state sign on the locking plate to in the user tramples the locking plate.

Optionally, the lateral wall of locking lever is provided with two stoppers, the both ends of drive block butt respectively on the stopper, the terminal surface circumference of butt drive block is provided with the bulge loop on the stopper, be provided with the breach on the bulge loop, the inside wall of drive block is provided with the piece of preventing changeing at the breach internal rotation.

By adopting the technical scheme, in the rotating process of the driving block, the anti-rotating block moves in the notch, and the two ends of the anti-rotating block can be abutted against the two side walls of the notch, so that the rotating angle of the anti-rotating block is limited, the rotating range of the driving block is limited, and the situation that the driving block cannot be normally used due to the fact that the driving block is continuously rotated is reduced.

In a first aspect, the present application provides a stroller with the locking structure, which adopts the following technical solutions:

the utility model provides a perambulator with this locking structure, its includes foretell locking structure, still includes the automobile body, locking structure sets up in the lower extreme of automobile body.

Through adopting above-mentioned technical scheme, when this locking structure set up in the lower extreme of automobile body, the drive assembly for controlling two wheels is higher than the center pin of wheel, makes the user be difficult for stepping on to the drive assembly when promoting the perambulator and remove on to the user of being convenient for uses the perambulator.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a user acts on the driving assembly, the locking assembly can move to enable the wheels to be in a locking state;

2. the locking piece is arranged to facilitate the control of a user on the driving assembly so as to facilitate the locking and unlocking of the wheel;

3. the driving assembly for controlling whether the wheels are locked is higher than the axle centers of the wheels, so that a user is not easy to step on the locking pieces when pushing the baby carriage, and the baby carriage is convenient for the user to use.

Drawings

FIG. 1 is a schematic structural view of a wheel locking structure according to an embodiment of the present application;

FIG. 2 is an exploded view of the wheel locking structure of the embodiment of the present application;

FIG. 3 is a schematic structural view of a wheel and locking assembly of an embodiment of the present application;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic structural diagram of a drive assembly according to an embodiment of the present application;

FIG. 6 is an exploded view of the drive assembly of an embodiment of the present application;

fig. 7 is a schematic structural view of a stroller having the locking structure according to an embodiment of the present application.

Description of reference numerals: 1. a wheel; 2. a support housing; 201. a fixed part; 202. an installation part; 203. a connecting portion; 3. a locking block; 4. moving the hole; 5. a locking groove; 6. a rope; 601. a steel cord; 602. mounting blocks; 7. a locking lever; 8. an active block; 9. a driven block; 10. positioning blocks; 11. positioning a groove; 12. a buffer spring; 13. a fixed block; 14. a return spring; 15. a locking housing; 16. a moving block; 17. a drive rod; 18. a drive aperture; 19. a roller; 20. a drive block; 21. a guide block; 22. a guide surface; 23. a clamping groove; 24. a locking piece; 25. state identification; 26. a limiting block; 27. a convex ring; 28. a notch; 29. a rotation prevention block; 30. a vehicle body; 31. a first mounting hole; 32. an elastic block; 33. positioning holes; 34. and a second mounting hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses wheel locking structure. Referring to fig. 1 and 2, the wheel locking structure includes two wheels 1 arranged oppositely, the axes of the two wheels 1 are the same straight line, a supporting shell 2 is rotatably connected to the axes of the two wheels 1, the length direction of the supporting shell 2 is perpendicular to the axes of the wheels 1, and the supporting shell 2 is arranged on the opposite end surfaces of the two wheels 1. Support the inside cavity of shell 2 and be provided with the locking subassembly in supporting shell 2, the locking subassembly can slide along the length direction who supports shell 2, there is a locking lever 7 through bolt fixed mounting between two support shells 2, locking lever 7 is in the one end of keeping away from wheel 1 axle center on supporting shell 2, the shape of locking lever 7 is the cylinder and locking lever 7 runs through along the axial, the axis of locking lever 7 and the axis parallel arrangement of wheel 1, be provided with the drive assembly who is used for controlling the locking subassembly and removes on locking lever 7. The locking subassembly includes locking piece 3, and the lateral wall of support shell 2 is seted up and is supplied locking piece 3 to slide along length direction's removal hole 4, removes hole 4 and the inside intercommunication of support shell 2, and locking piece 3 stretches out removal hole 4, is close to the one end inside wall that supports shell 2 on wheel 1 and sets up the locking groove 5 that supplies locking piece 3 to peg graft along circumference interval array. When drive assembly drive locking Assembly removed to the direction of keeping away from wheel 1 along supporting 2 length direction of shell, locking block 3 removed along removing 4 length direction in the hole 4 in removing, made locking block 3 can insert corresponding locking groove 5 in, wheel 1 received the joint effect and difficult emergence rotation this moment, realized the locking of wheel 1.

Referring to fig. 2 and 3, the supporting shell 2 includes a fixing portion 201, an installation portion 202 and a connection portion 203, a side wall of an end portion of the fixing portion 201 is rotatably connected to an axis of the wheel 1, the fixing portion 201, the installation portion 202 and the connection portion 203 enclose a space for placing a locking component, the installation portion 202 is fixed to one side of the fixing portion 201 through a bolt, so that a worker can conveniently install the locking component into the supporting shell 2, the connection portion 203 is approximately L-shaped in overall shape, one end of the connection portion 203 is fixedly installed on the fixing portion 201 through the bolt, and the other end axially penetrates through the fixing portion for the locking rod 7 to be inserted and fixed through the bolt.

The locking assembly further comprises a driving block 8 and a driven block 9, one side wall of the driving block 8 abuts against the inner side wall of the mounting portion 202, the other side wall of the driving block abuts against the driven block 9, the side wall, far away from the driving block 8, of the driven block 9 abuts against the side wall, close to the mounting portion 202, of the fixing portion 201, a first mounting hole 31 is formed in the side wall of the end portion of the upper end of the driving block 8, and the radial section of the first mounting hole 31 is circular, and the axis of the first mounting hole 31 is parallel to the axis of the wheel 1. The rope 6 is arranged in the first mounting hole 31, the rope 6 comprises a steel rope 601 and mounting blocks 602 welded at two ends of the steel rope 601, the steel rope 601 has certain deformation capacity, the mounting blocks 602 are cylindrical, the radial cross-sectional shape and size of the mounting blocks 602 are the same as those of the first mounting hole 31, the axis of the mounting blocks 602 is perpendicular to the length direction of the steel rope 601, one of the mounting blocks 602 is inserted into the first mounting hole 31, the upper side wall of the first mounting hole 31 penetrates through the first mounting hole for mounting the steel rope 601, and the other mounting block 602 is mounted on the driving assembly. A positioning block 10 is integrally formed on the driven block 9 and abutted to the end face of the driving block 8, a positioning groove 11 for the positioning block 10 to slide along the length direction of the driving block 8 is formed in the driving block 8 along the length direction, the positioning groove 11 penetrates through the driving block 8 and the positioning groove 11 to form a through groove with four closed side walls, and the locking block 3 is integrally formed on the driven block 9 and far away from the end face of the positioning block 10 and just opposite to the positioning block 10. When drive assembly applys the effort to rope 6, rope 6 can stretch initiative piece 8 so that initiative piece 8 removes along supporting 2 length direction, and when the lateral wall butt in locating piece 10 under 11 in the fixed position groove, locating piece 10 can follow initiative piece 8 synchronous motion to make the driven piece 9 remove and move in order to drive locking piece 3 and to locking groove 5 direction removal, realize the locking of wheel 1 in locking groove 5 until locking piece 3 pegs graft.

In order to reduce the damage of the steel cable 601 caused by continuous friction at the bent part, the roller 19 is rotatably connected to the inner side wall of the fixing part 201, the axis of the rotating shaft of the roller 19 is perpendicular to the axis of the wheel 1, the bent part of the steel cable 601 abuts against the side wall of the roller 19, and in the moving process of the steel cable 601, the roller 19 can rotate under the action of the steel cable 601, so that the friction force on the surface of the steel cable 601 is reduced, the possibility of abrasion of the bent part of the steel cable 601 due to long-term use is reduced, and the service life of the steel cable 601 is prolonged.

Referring to fig. 3 and 4, a buffer spring 12 is clamped between the lower surface of the positioning block 10 and the lower side wall of the positioning groove 11, two ends of the buffer spring 12 in the length direction are respectively welded to the lower surface of the positioning block 10 and the lower side wall of the positioning groove 11, after the tensile force of the driving assembly on the driving block 8 disappears, the driving block 8 can move downwards under the action of gravity, the positioning block 10 moves downwards to extrude the buffer spring 12, so that the positioning block 10 is not easy to collide with the lower side wall of the positioning groove 11, and the condition that the lower side wall of the positioning block 10 or the positioning groove 11 is damaged is reduced. The fixing block 13 is welded on the side wall, close to the driving block 8, of the fixing portion 201, the fixing block 13 penetrates through the driven block 9 and the driven block 9, a groove for the fixing block 13 to slide up and down is formed in the driven block 9, the fixing block 13 is inserted into the positioning groove 11, the fixing block 13 is parallel to the positioning block 10, the return spring 14 is welded on the lower surface of the fixing block 13, and the other end of the return spring 14 in the length direction is welded on the upper surface of the positioning block 10. When the driving block 8 is pulled, the driving block 8 moves upwards to drive the driven block 9 to move upwards, so that the distance between the fixed block 13 and the positioning block 10 is reduced, the reset spring 14 is compressed, when the pulling force applied to the driving block 8 disappears, the extrusion force applied to the reset spring 14 disappears, the reset spring 14 can eject the positioning block 10 to the direction far away from the fixed block 13, the driven block 9 can move downwards quickly, so that the locking block 3 can move out of the locking groove 5 quickly, and the normal use of the wheel 1 is facilitated.

Referring to fig. 5 and 6, the driving assembly includes a locking shell 15, a driving block 20 and two moving blocks 16, the outer shape of the locking shell 15 is a cylinder, the outer diameter of the locking shell 15 is equal to the inner diameter of the locking rod 7, the locking shell 15 is inserted into the locking rod 7, an elastic block 32 is integrally formed on the side wall of the locking shell 15, gaps exist between the elastic block 32 and the locking shell 15 except for the joint, one end of the elastic block 32 far away from the joint is higher than the outer surface of the locking shell 15, and the position in the locking shell 15 opposite to the elastic block 32 is hollow, so that a user can squeeze the elastic block 32 inwards. The outer side wall of the locking rod 7 is provided with a positioning hole 33 for inserting the protruding part of the elastic block 32, in the installation process of the locking shell 15, the elastic block 32 is extruded to enable the locking shell 15 to be inserted into the locking rod 7, when the elastic block 32 moves to the position opposite to the positioning hole 33, the extrusion force applied to the elastic block 32 disappears, one end, far away from the connecting part, of the elastic block 32 can be ejected and inserted into the positioning hole 33, and at the moment, the elastic block 32 is clamped with the positioning hole 33 to fix the position of the locking shell 15 in the locking rod 7.

The two moving blocks 16 are arranged in the locking shell 15, the moving blocks 16 can slide along the length direction of the locking shell 15, the two moving blocks 16 are symmetrically arranged in the center of the middle point of the locking shell 15, the moving blocks 16 are provided with second mounting holes 34, the radial cross-sectional shapes and the radial cross-sectional shapes of the second mounting holes 34 are the same as those of the mounting blocks 602, the axis of each second mounting hole 34 is perpendicular to the axis of the locking shell 15, the mounting blocks 602 connected to the driving assembly are inserted into the corresponding second mounting holes 34, and the steel cable 601 penetrates through the side walls of the second mounting holes 34 and the side walls of the locking shell 15. All pegging graft on the movable block 16 and having the actuating lever 17, the shape of actuating lever 17 is the cylinder and the axis of actuating lever 17 sets up with the axis of second mounting hole 34 is parallel, and the one end that the movable block 16 was kept away from to actuating lever 17 runs through locking shell 15 lateral wall, offers the drive hole 18 that supplies actuating lever 17 to slide along the length direction of locking lever 7 at the surface of locking lever 7, and drive hole 18 runs through a lateral wall of locking shell 15. When a user needs to pull the locking assembly, the two driving rods 17 are moved towards each other, and at this time, the driving rods 17 drive the moving block 16 to move, so that the installation block 602 drives the steel cable 601 to move, and the locking assembly is pulled.

The outer surface of locking lever 7 is located to the cover of actuating block 20, actuating block 20 can rotate relative to locking lever 7, the relative position one-to-one that is relative at the inside wall of actuating block 20 and actuating lever 17 is provided with guide block 21, the guide block 21 is last to have along the inside screw set's of actuating block 20 guiding surface 22, actuating lever 17 butt is on guiding surface 22, at the pivoted in-process of actuating block 20, guiding surface 22 can extrude actuating lever 17, make actuating lever 17 can move to another actuating lever 17 direction along the length direction of guiding surface 22, thereby can realize that actuating lever 17 removes in drive hole 18. The position that is close to another spigot surface 22 on spigot surface 22 has seted up joint groove 23, actuating lever 17 removes in can sliding into joint groove 23 after the certain distance, when actuating lever 17 was in joint groove 23, movable block 16 received the pulling force of cable wire 601 and made actuating lever 17 can the joint in joint groove 23 to realize the fixed of movable block 16, thereby make the locking condition comparatively stable, the junction of joint groove 23 lateral wall and spigot surface 22 is the cambered surface, make actuating lever 17 can follow joint groove 23 and move out under the rotation effect of actuating block 20. In order to facilitate a user to rotate the driving block 20, the locking pieces 24 are welded at the upper end of the surface of the driving block 20, the number of the locking pieces 24 is two, the included angle between the two locking pieces 24 is an obtuse angle, and when the user needs to rotate the driving block 20, the user can step on different locking pieces 24 to rotate the driving block 20 in different directions. The upper surfaces of the locking pieces 24 are laser-printed with state marks 25, the state mark 25 on one locking piece 24 is locked, the state mark 25 on the other locking piece 24 is unlocked, and when a user needs to switch the state of the device, the state mark 25 can be used for identifying the state of the whole device so that the user can act on the corresponding locking piece 24 conveniently.

In order to fix the position of the driving block 20, two limiting blocks 26 are sleeved on the outer surface of the locking rod 7, the two limiting blocks 26 respectively abut against two ends of the driving block 20 in the length direction, the limiting blocks 26 are fixed on the locking rod 7 through bolts, the limiting blocks 26 axially limit the driving block 20, the driving block 20 is not easy to axially move on the locking rod 7, and therefore the driving block 20 can only rotate on the locking rod 7. The limiting block 26 is abutted to the end face of the driving block 20 and is welded with a convex ring 27, a notch 28 is formed in the convex ring 27, the convex ring 27 is approximately a three-quarter circular ring, an anti-rotation block 29 moving in the notch 28 is welded on the inner side wall of the driving block 20, the anti-rotation block 29 can be abutted to two sides of the notch 28 along with the rotation of the driving block 20, the driving block 20 is not easy to excessively rotate, and therefore the driving block 20 is stable in the using process.

The implementation principle of this application embodiment wheel locking structure does: when the wheel 1 needs to be locked, acting force on a locking piece 24 with a locking state mark 25 to enable the driving block 20 to rotate, wherein in the rotating process of the driving block 20, the driving rod 17 can move along the length direction of the driving hole 18 to enable the moving block 16 to move and drive the rope 6 to move, so that the driving block 8 moves upwards to drive the driven block 9 to move upwards, and at the moment, the locking block 3 moves upwards along with the driven block 9 and is inserted into the locking groove 5 to achieve locking of the wheel 1; when the wheel 1 needs to be unlocked, the locking piece 24 with the unlocking state mark 25 acts on the action force, so that the driving block 20 rotates, the driving rod 17 moves out of the clamping groove 23, the reset spring 14 enables the driven block 9 to rapidly move downwards, the locking block 3 is separated from the locking groove 5, and the unlocking of the wheel 1 is realized.

The application also discloses a baby carriage with the locking structure, as shown in fig. 7, the baby carriage comprises the locking structure and a carriage body 30, wherein a groove for inserting a rod piece in the carriage body 30 is formed in the connecting part 203, so that the locking structure can be installed and fixed at the lower end of the carriage body 30.

The implementation principle of the baby carriage with the locking structure in the embodiment of the application is as follows: the user can switch the state of the baby carriage by stepping on different locking pieces 24, and the driving component for controlling the state of the wheel 1 is higher than the axle center of the wheel 1, so that the user is not easy to step on the locking pieces 24 in the process of pushing the baby carriage, and the baby carriage can be conveniently used by the user.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A wheel locking structure is characterized in that: wheel (1) including two relative settings, two the axle center department of wheel (1) all rotates and is connected with support shell (2), be provided with the locking subassembly that slides along length direction in the support shell (2), the locking subassembly includes locking block (3), support shell (2) surface and set up removal hole (4) that supply locking block (3) to slide along length direction, set up locking groove (5) that supply locking block (3) to peg graft on wheel (1), be provided with rope (6) on the locking subassembly, two be provided with locking lever (7) between support shell (2), locking lever (7) set up the one end of keeping away from wheel (1) axle center on supporting shell (2), be provided with the drive assembly who is used for spur rope (6) on locking lever (7).

2. The wheel-locking structure according to claim 1, wherein: locking assembly still includes initiative piece (8) and driven piece (9), rope (6) fixed connection in the upper end of initiative piece (8), be provided with locating piece (10) on driven piece (9), set up constant head tank (11) that supply locating piece (10) to slide along length direction on initiative piece (8), locking piece (3) set up the terminal surface of keeping away from locating piece (10) on driven piece (9).

3. The wheel-locking structure according to claim 2, wherein: and a buffer spring (12) is clamped between the lower surface of the positioning block (10) and the lower side wall of the positioning groove (11).

4. The wheel-locking structure according to claim 2, wherein: support shell (2) inside wall fixedly connected with peg graft and slide fixed block (13) in constant head tank (11), the centre gripping is connected with reset spring (14) between fixed block (13) and locating piece (10).

5. The wheel-locking structure according to claim 2, wherein: the driving assembly comprises a locking shell (15) arranged in the locking rod (7) and two moving blocks (16) sliding along the length direction of the locking rod (7), the moving blocks (16) are arranged in the locking shell (15), one end, far away from the driving block (8), of the rope (6) is fixedly connected to the moving blocks (16), a driving rod (17) is connected to the moving blocks (16) in an inserted mode, and a driving hole (18) for the driving rod (17) to slide along the length direction of the locking rod (7) is formed in the locking rod (7).

6. The wheel-locking structure according to claim 1, wherein: the supporting shell (2) is rotatably connected with a roller (19), and the bent part of the rope (6) is abutted to the outer surface of the roller (19).

7. The wheel locking structure according to claim 5, wherein: drive assembly still connects in drive block (20) of locking lever (7) lateral wall including rotating, the inside wall of drive block (20) is provided with guide block (21) with actuating lever (17) one-to-one, be provided with guide surface (22) that supply actuating lever (17) butt to slide on guide block (21), guide surface (22) are close to each other with two actuating lever (17) of guide, be close to another on guide surface (22) joint groove (23) that supply actuating lever (17) slip-in joint are seted up to the one end of guide surface (22).

8. The wheel locking structure according to claim 7, wherein: the outer side wall of the driving block (20) is provided with a locking piece (24) which is stepped by a user, and the locking piece (24) is provided with a state mark (25) for the user to distinguish a locking state.

9. The wheel locking structure according to claim 7, wherein: the lateral wall of locking lever (7) is provided with two stopper (26), the both ends of drive block (20) butt respectively on stopper (26), the terminal surface circumference that butt drive block (20) was gone up in stopper (26) is provided with bulge loop (27), be provided with breach (28) on bulge loop (27), the inside wall of drive block (20) is provided with prevents changeing piece (29) at breach (28) internal rotation.

10. A baby carriage with the locking structure is characterized in that: comprising a locking structure according to any one of claims 1 to 9, further comprising a vehicle body (30), the locking structure being arranged at a lower end of the vehicle body (30).

Images