CN111942509B

CN111942509B - Portable children's coaster

Info

Publication number: CN111942509B
Application number: CN202010851761.3A
Authority: CN
Inventors: 朱蕴石
Original assignee: Taicang Shijiqiao Industrial And Commercial Office
Current assignee: Fogang County Wanxing Electronic Plastic Products Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-11-05
Anticipated expiration: 2040-08-21
Also published as: WO2022036728A1; CN111942509A

Abstract

The invention discloses a portable children pulley, which comprises a pulley body, a seat cushion, a folding wheel carrier, a front wheel, a rear wheel and a handle, wherein the seat cushion is arranged on the pulley body; the front wheels are arranged on the quick-mounting mechanism, and the rear wheels are respectively arranged on two sides of the tail part of the pulley body; the front part of the pulley body is convexly provided with an installation block, a first jack is arranged in the vertical direction of the installation block, and a second jack is arranged in the left and right direction of the installation block and extends into the pulley body; the fore-and-aft direction of installation piece sets up the bolt hole, sets up the lockhole on the handle, and the changeable setting of handle is in first jack and second jack to through bolt connection bolt hole and lockhole. According to the invention, the switching between the pulley and the draw-bar box is realized through the ingenious arrangement of the position of the draw bar, and the humanized arrangement of the storage cavity facilitates the storage of articles while meeting the entertainment of children and is convenient to carry.

Description

Portable children's coaster

Technical Field

The invention relates to the field of children toys, in particular to a portable children tackle.

Background

Children are colorful in the world, parents usually carry a pulley when playing and traveling outside, children sit on the pulley and move forward by swinging legs, and the children do not want to continue playing after playing for a period of time; at this moment, the head of a family is required to carry the pulley, and the existing pulley cannot be detached and is troublesome to carry.

Disclosure of Invention

Aiming at overcoming the defects in the prior art, the invention mainly aims to overcome the defects in the prior art and discloses a portable children tackle which comprises a tackle body, a seat cushion, a folding wheel carrier, a front wheel, a rear wheel and a handle, wherein the seat cushion is arranged on the tackle body, the bottom of the tackle body is concavely provided with a first mounting groove, and the folding wheel carrier is mounted in the first mounting groove; the folding wheel carrier comprises a folding base, two folding arms and a fast-assembling mechanism, wherein a second mounting groove is concavely formed in the lower surface of the folding base, the two folding arms are respectively rotatably arranged at two ends of the second mounting groove through a rotating shaft, and the fast-assembling mechanism is arranged at the end part of each folding arm; when the foldable base is unfolded, the folding arms are protruded out of two ends of the foldable base; when folded, the folding arm is hidden in the second mounting groove; the front wheels are arranged on the quick-mounting mechanism, and the rear wheels are respectively arranged on two sides of the tail of the pulley body; the front part of the pulley body is convexly provided with an installation block, a first jack is arranged in the vertical direction of the installation block, a second jack is arranged in the left and right direction of the installation block, and the installation block extends into the pulley body; bolt holes are formed in the front and back directions of the mounting block, the mounting block penetrates through the first jack and the second jack and has an overlapped part, a lock hole is formed in the handle, and the handle is arranged in the first jack and the second jack in a switchable mode and is connected with the bolt holes and the lock hole through bolts.

Further, this internal storing chamber that sets up of coaster, the seatpad with the anterior of coaster body is articulated, and its afterbody passes through the hasp to be fixed.

Furthermore, the quick assembly mechanism comprises a connecting shaft, a plug block, an isolation sleeve and a locking block, the connecting shaft is fixedly arranged on the folding arm, one end of the connecting shaft is concavely provided with a mounting hole, the mounting hole is of a cuboid structure, guide holes penetrating through the mounting hole are formed in the two ends of the connecting shaft, the locking block is slidably arranged in the guide holes in the two ends of the connecting shaft, the isolation sleeve is arranged in the mounting hole and is fixedly connected with the mounting hole, the plug block comprises a block body matched with the inner hole of the isolation sleeve and a magnet arranged at the end part of the block body, the plug block is inserted into the isolation sleeve, the locking block is a magnet, and when the magnet and the magnetic pole of the locking block are the same, the locking block protrudes out of the guide holes; when the magnetic poles are opposite, the locking block is hidden in the guide hole.

Further, the magnet is in clearance fit with the isolation sleeve, and the block body is in tight fit with the isolation sleeve.

Further, the locking piece includes a locking piece body and a locking portion, the locking portion is arranged on the locking piece body and is of a ladder structure, the guide hole is a ladder hole matched with the locking piece, and the locking piece body is a magnet.

Further, the guide hole is of a rectangular parallelepiped hole-shaped structure.

Furthermore, the connecting shaft side wall is symmetrically provided with positioning planes, and the through hole of the front wheel is matched with the connecting shaft.

Further, the connecting shaft is made of plastic.

Furthermore, a fixing hole is formed in the inner wall of the second mounting groove, and the fixing hole corresponds to the position of the locking block when the folding arm is folded to be located at the position.

Further, the front wheel comprises a connecting portion and a rolling portion, the rolling portion is in rolling connection with the connecting portion through a bearing, and the connecting portion is connected with the quick-assembly mechanism.

Further, folding wheel carrier still includes C shape clamp, C shape clamp sets up four, sets up respectively the both sides at the rotation center of folding arm are used for fixing folding arm prevents its rotation.

Furthermore, a counter bore is formed in the end of the bolt hole, a magnetic ring is arranged in the counter bore, an iron block is arranged at the end of the bolt, and the iron block is adsorbed by the magnetic ring.

Furthermore, the handle is T-shaped, axial guide grooves are symmetrically formed in the side wall of the handle, and guide strips are arranged in the corresponding positions of the first insertion hole and the second insertion hole.

The invention has the following beneficial effects:

according to the invention, the switching between the pulley and the draw-bar box is realized through the ingenious arrangement of the position of the draw bar, and the humanized arrangement of the storage cavity facilitates the storage of articles while meeting the entertainment of children and is convenient to carry. The quick assembly mechanism ingeniously utilizes the principle that like poles of magnets repel each other, and the locking block and the connecting hole are quickly aligned and installed; and meanwhile, the quick-mounting mechanism is used for locking the folding arm during folding. The tip of bolt sets up the iron plate to cooperation magnetic ring, baffle bolt are fixed, prevent the bolt roll-off when using, handle and installation piece separation. The protruding part of the folding arm is skillfully used as a pedal, so that the comfort of children in riding is improved.

Drawings

FIG. 1 is a schematic view of a portable child carrier of the present invention in a carrier configuration;

FIG. 2 is a schematic structural view of a portable children's carrier in a state of a draw-bar box according to the present invention;

FIG. 3 is a schematic structural view of the pulley body;

fig. 4 is a mechanism diagram of the folding wheel frame in a folding state;

FIG. 5 is a schematic mechanism diagram of the folding wheel frame in the unfolded state;

FIG. 6 is a schematic view of the connection of the quick-mounting mechanism with the front wheel;

FIG. 7 is a cross-sectional view of the quick load mechanism coupled to the front wheel;

FIG. 8 is a schematic structural diagram of the plug block;

FIG. 9 is a schematic structural view of a lock block;

FIG. 10 is a schematic view of the structure of the handle;

FIG. 11 is a schematic structural view of the latch;

the reference numbers are as follows:

1. the pulley comprises a pulley body, 2, a seat cushion, 3, a folding wheel frame, 4, a front wheel, 5, a rear wheel, 6, a handle, 7, a bolt, 11, a first mounting groove, 12, a mounting block, 13, a first jack, 14, a second jack, 15, a bolt hole, 16, a storage cavity, 17, a counter bore, 18, a guide strip, 31, a folding base, 32, a folding arm, 33, a quick-assembling mechanism, 34, a second mounting groove, 35, a C-shaped hoop, 37, a fixing hole, 41, a connecting part, 42, a rolling part, 43, a connecting hole, 61, a locking hole, 62, a guide groove, 71, an iron block, 331, a connecting shaft, 332, a plug-pull block, 333, a spacer sleeve, 334, a locking block, 335, a block body, 336, a magnet, 337, a locking block body, 338, a locking part, 339 and a positioning plane.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A portable children's tackle, as shown in fig. 1-6, includes a tackle body 1, a seat cushion 2, a foldable wheel carrier 3, a front wheel 4, a rear wheel 5 and a handle 6, wherein the seat cushion 2 is arranged on the tackle body 1, and the seat cushion 2 can be provided with sponge and the like, so that children can play comfortably. The first mounting groove 11 is concavely arranged at the bottom of the pulley body 1, and the folding wheel carrier 3 is mounted in the first mounting groove 11. The folding wheel carrier 3 comprises a folding base 31, two folding arms 32 and a fast-assembling mechanism 33, wherein a second mounting groove 34 is concavely formed in the lower surface of the folding base 31, the two folding arms 32 are respectively rotatably arranged at two ends of the second mounting groove 34 through rotating shafts, and the fast-assembling mechanism 33 is arranged at the end part of the folding arms 32; when unfolded, the folding arms 32 protrude out of the two ends of the folding base; when folded, the folding arm 32 is hidden in the second mounting slot 34; the front wheels 4 are arranged on the fast-assembling mechanism 33, and the rear wheels 5 are respectively arranged on two sides of the tail part of the pulley body 1; the front part of the pulley body 1 is convexly provided with an installation block 12, a first insertion hole 13 is arranged in the vertical direction (the height direction of the pulley body 1) of the installation block 12, and a second insertion hole 14 is arranged in the left and right direction (the length direction of the pulley body 1) of the installation block 12 and extends into the pulley body 1; the mounting block 12 is provided with a latch hole 15 in the front-rear direction (width direction of the tackle body 1) and has an overlapping portion passing through the first and

second insertion holes

13 and 14, a lock hole 61 is provided on the handle 6, the handle 6 is switchably provided in the first and

second insertion holes

13 and 14, and the latch hole 15 and the lock hole 61 are connected by a latch 7. When the folding wheel carrier 3 is unfolded, the handle 6 is inserted into the first insertion hole 13 and the handle 6 is fixed by the latch 7, which is a child carrier. When the folding wheel frame 3 is folded, the handle 6 is inserted into the second insertion hole 14, which is equivalent to a suitcase capable of being dragged, and parents can drag the suitcase with only one hand.

In one embodiment, as shown in fig. 1-3, a storage chamber 16 is provided in the pulley body 1, and the seat cushion 2 is hinged to the front portion of the pulley body 1, and the rear portion thereof is fixed by a lock catch. The opening and locking of the seat cushion 2 is achieved. The locking structure has many structures, and is the prior art, and will not be described herein in too much detail. The storage box 16 can store the removed front wheel 4 and can also accommodate some accompanying articles.

In an embodiment, as shown in fig. 1 to 9, the quick-assembling mechanism 33 includes a connecting shaft 331, an inserting and pulling block 332, an isolating sleeve 333 and a locking block 334, wherein the connecting shaft 331 is fixedly disposed on the folding arm 32, and may be connected by welding or may be an integral structure. One end of the connecting shaft 331 is concavely provided with a mounting hole which is of a cuboid structure, two ends of the connecting shaft are provided with guide holes penetrating through the mounting hole, the locking block 334 is arranged in the guide holes at the two ends in a sliding manner, the isolating sleeve 333 is arranged in the mounting hole and is fixedly connected with the mounting hole, the plugging and unplugging block 332 comprises a block body 335 matched with the inner hole of the isolating sleeve and a magnet 336 arranged at the end part of the block body, the plugging and unplugging block 332 is inserted into the isolating sleeve 333, the locking block 334 is a magnet, and when the magnetic poles of the magnet 336 and the locking block 334 are the same, the locking block 334 protrudes out of the guide holes; when the poles are opposite, the lock 334 is hidden in the guide hole. The front wheel 4 includes a connecting portion 41 and a rolling portion 42, the rolling portion 42 is connected to the connecting portion 41 through a bearing in a rolling manner, and the connecting portion 41 is connected to the quick-mounting mechanism 33. The connecting portion 41 is provided with a through hole extending in the axial direction, a connecting hole 43 is provided in the through hole, and the lock piece 334 is inserted into the connecting hole 43 when the front wheel 4 is connected to the quick-mounting mechanism 33. When the front wheel 4 is installed, the inserting and pulling block 332 is inserted, the magnetic poles of the inserting and pulling block 332 are opposite to those of the locking blocks 334 on the two sides, the locking blocks 334 are hidden in the guide holes, then the front wheel is sleeved on the connecting shaft 331, the locking blocks 334 correspond to the connecting holes 43 in the front wheel 4, the inserting and pulling block 332 is pulled out, the inserting and pulling block 332 is inserted after rotating for 180 degrees, the magnetic poles of the inserting and pulling block 332 and the locking blocks 334 on the two sides are the same, the locking blocks 334 are pushed out of the guide holes and inserted into the connecting holes 43 of the front wheel 4, and the quick installation of the front wheel 4 is completed; when disassembling, the front wheel 4 can be disassembled by merely changing the magnetic poles of the insertion and extraction blocks 332 to attract the locking blocks 334, so that the locking blocks 334 are hidden in the guide holes. In addition, since the connecting hole 43 cannot be observed after the front wheel 4 is sleeved on the connecting shaft 331, the installation is inconvenient, but for the principle that like poles of magnets repel each other, the magnetic poles of the insertion and extraction block 332 are changed only after the front wheel 4 is sleeved on the connecting shaft, so that the locking block 334 is ejected outwards, at this time, the locking block 334 is fixed on the inner wall of the through hole of the front wheel 4, and only the position of the front wheel 4 needs to be adjusted until the 'snapping' sound is heard, namely, the insertion of the locking block 334 into the connecting hole 43 of the front wheel 4 is explained.

In the above embodiment, as shown in fig. 1-9, the magnet 336 is clearance fit with the spacer 333, and the block body 335 is tightly fit with the spacer 333. Preferably, the block body 335 is made of plastic, which is easily compressed compared to metal, so that the insertion and extraction block 332 is more convenient to insert.

In one embodiment, as shown in fig. 1 to 9, the lock block 334 includes a lock block body 337 and a locking portion 338, the locking portion 338 is disposed on the lock block body 337 and has a stepped structure, the guide hole is a stepped hole engaged with the lock block, and the lock block body 337 is a magnet. The guide hole with the stepped structure is matched with the isolation sleeve 333, so that the locking block 334 is ensured to be positioned in the guide hole and cannot be separated from the connecting shaft 331. Preferably, the guide hole has a rectangular parallelepiped hole-like structure.

In one embodiment, as shown in fig. 1-9, the positioning planes 339 are symmetrically disposed on the sidewalls of the connecting shaft 331, and the through hole of the front wheel 4 is engaged with the connecting shaft 331. That is, a plane matching with the positioning plane 339 is provided in the through hole, so that when the two planes are attached, the locking piece 334 is ensured to correspond to the connecting hole 43.

In a preferred embodiment, as shown in fig. 1-9, the connecting shaft 331 is made of plastic. The spacer 33 may also be made of plastic, which reduces the influence on the magnet; of course, other materials that are not attracted to magnets may be used.

In one embodiment, as shown in FIGS. 1-9, the second mounting slot 34 has a mounting hole 37 formed in an inner wall thereof, the mounting hole 37 corresponding to the position of the lock 334 when the folding arm 32 is folded in place. Therefore, when the folding arm 32 is in the folded position, the locking piece 334 is pushed out of the insertion fixing hole 37, and the folding arm 32 and the folding base 31 are locked.

In one embodiment, as shown in fig. 1 to 9, the folding wheel carrier 3 further includes four C-shaped clips 36, and the four C-shaped clips 36 are respectively disposed at two sides of the rotation center of the folding arm 32 for fixing the folding arm 32 to prevent the folding arm 32 from rotating.

In one embodiment, as shown in fig. 1-11, a counterbore 17 is provided at the end of the pin hole 15, a magnetic ring is provided in the counterbore 17, an iron block 71 is provided at the end of the pin 7, and the iron block 71 is adsorbed by the magnetic ring. So that the latch 7 is recessed within the counterbore 17. In order to facilitate the removal of the latch 7, a hand-held slot is provided in the iron block 71 to provide a point of application for the parents to remove.

In one embodiment, as shown in fig. 1-11, the handle 6 is T-shaped, and has axial guide grooves 62 symmetrically disposed on its side wall, and guide bars 18 disposed at corresponding positions in the first insertion hole 13 and the second insertion hole 14. Firstly, the guide strip 18 cooperates with the guide groove 61 to prevent the handle 6 from rotating; in addition, it can be quickly adjusted until the latch hole 15 is aligned with the lock hole 61.

When the invention is used, as shown in fig. 1-11, the folding arm 32 is unfolded, the front wheel 4 is installed, the handle 6 is inserted into the first jack 13 and locked by the bolt 7, and then a pulley is formed; meanwhile, the space between the protruding part of the folding arm 32 and the front wheel 4 can be used as a child pedal, and the parents can pull the handle 6 to drag the child to move forwards. When dismantling front wheel 4, can put into storing chamber 16 with front wheel 4, insert in second jack 14 with handle 6 to in rotating into second mounting groove 34 folding arm 32, block into C-shaped clamp 36, change plug 332 simultaneously and make locking piece 334 insert fixed orifices 37, realize accomodating of folding arm 32. At the moment, parents can drag the tackle by only pulling the handle 6 with one hand, so that the tackle is convenient to carry.

The above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.

Claims

1. A portable children pulley is characterized by comprising a pulley body, a seat cushion, a folding wheel carrier, front wheels, rear wheels and a handle, wherein the seat cushion is arranged on the pulley body; the folding wheel carrier comprises a folding base, two folding arms and a fast-assembling mechanism, wherein a second mounting groove is concavely formed in the lower surface of the folding base, the two folding arms are respectively rotatably arranged at two ends of the second mounting groove through a rotating shaft, and the fast-assembling mechanism is arranged at the end part of each folding arm; when the foldable base is unfolded, the folding arms are protruded out of two ends of the foldable base; when folded, the folding arm is hidden in the second mounting groove; the front wheels are arranged on the quick-mounting mechanism, and the rear wheels are respectively arranged on two sides of the tail of the pulley body; the front part of the pulley body is convexly provided with an installation block, a first jack is arranged in the vertical direction of the installation block, a second jack is arranged in the left and right direction of the installation block, and the installation block extends into the pulley body; a bolt hole is formed in the front-back direction of the mounting block, the mounting block penetrates through the first jack and the second jack and has an overlapped part, a lock hole is formed in the handle, the handle is arranged in the first jack and the second jack in a switchable mode, and the bolt hole and the lock hole are connected through a bolt;

the quick assembly mechanism comprises a connecting shaft, a plug-pull block, an isolation sleeve and a locking block, the connecting shaft is fixedly arranged on the folding arm, a mounting hole is concavely arranged at one end of the connecting shaft, the mounting hole is of a cuboid structure, guide holes penetrating through the mounting hole are formed in the two ends of the connecting shaft, the locking block is arranged in the guide holes at the two ends in a sliding mode, the isolation sleeve is arranged in the mounting hole and is fixedly connected with the mounting hole, the plug-pull block comprises a block body matched with an inner hole of the isolation sleeve and a magnet arranged at the end part of the block body, the plug-pull block is inserted into the isolation sleeve, the locking block is a magnet, and when the magnet and the locking block have the same magnetic pole, the locking block protrudes out of the guide holes; when the magnetic poles are opposite, the locking block is hidden in the guide hole; the magnet is in clearance fit with the isolation sleeve, and the block body is in tight fit with the isolation sleeve.

2. A portable children's carrier as claimed in claim 1, wherein the carrier body has a storage chamber therein, the seat cushion is hinged to a front portion of the carrier body, and a rear portion thereof is fixed by a lock catch.

3. The portable children's carriage as claimed in claim 1, wherein the locking block includes a locking block body and a locking portion, the locking portion is disposed on the locking block body and has a stepped structure, the guide hole is a stepped hole engaged with the locking block, and the locking block body is a magnet; the guide hole is of a cuboid hole-shaped structure.

4. The portable children's carriage as claimed in claim 1, wherein the sidewall of the connecting shaft is symmetrically provided with positioning planes, and the through hole of the front wheel is engaged with the connecting shaft.

5. A portable child carrier as claimed in claim 1, wherein the second mounting groove has a fixing hole formed in an inner wall thereof, the fixing hole corresponding to the position of the locking piece when the folding arm is folded to the position.

6. A portable children's tackle as claimed in claim 1, wherein the front wheel includes a connecting portion and a rolling portion, the rolling portion is connected to the connecting portion by a bearing in a rolling manner, and the connecting portion is connected to the quick-assembly mechanism.

7. The portable children's tackle of claim 1, wherein the foldable wheel carrier further includes four C-shaped clips respectively disposed at both sides of a rotation center of the foldable arm for fixing the foldable arm against rotation.

8. The portable children's tackle as claimed in claim 1, wherein a counter bore is formed in an end of the pin hole, a magnetic ring is formed in the counter bore, an iron block is formed in an end of the pin, and the iron block is adsorbed by the magnetic ring.

9. A portable child carrier as claimed in claim 1, wherein the handle is T-shaped and has axially-directed guide slots symmetrically formed in a side wall thereof and guide strips are formed in corresponding positions in the first and second receptacles.