阅读说明：本技术 一种儿童三轮车 (Children tricycle ) 是由 沈建萍 于 2020-05-28 设计创作，主要内容包括：本发明属于儿童用具领域,具体涉及一种儿童三轮车,包括：车架；前轮组件,其活动插设于所述车架前端；车把组件,其套设于所述前轮组件上端且与前轮组件可拆装连接；座椅组件,其与所述车架可拆装连接,所述座椅组件上转动连接有靠背；后轮组件,其转动连接于所述车架后端；推杆,其活动插设于所述车架后端。与现有技术相比,本发明的优点在于该儿童三轮车的座椅能够折叠,方便运输过程中减小车身体积,方便包装；座椅的角度调节方便,且在使用期间靠背角度稳定,提高安全性；整车的拆装更加便捷,无需使用其他工具。(The invention belongs to the field of children's tools, and particularly relates to a child tricycle which comprises: a frame; the front wheel assembly is movably inserted at the front end of the frame; the handlebar assembly is sleeved at the upper end of the front wheel assembly and is detachably connected with the front wheel assembly; the seat assembly is detachably connected with the frame, and a backrest is rotatably connected to the seat assembly; a rear wheel assembly rotatably connected to a rear end of the frame; and the push rod is movably inserted at the rear end of the frame. Compared with the prior art, the child tricycle seat has the advantages that the child tricycle seat can be folded, the size of a tricycle body is reduced in the transportation process, and the child tricycle seat is convenient to package; the angle of the seat is convenient to adjust, the angle of the backrest is stable during use, and the safety is improved; the whole vehicle is more convenient to disassemble and assemble, and other tools are not needed.)

1. A child tricycle, comprising:

a frame;

the front wheel assembly is movably inserted at the front end of the frame;

the handlebar assembly is sleeved at the upper end of the front wheel assembly and is detachably connected with the front wheel assembly;

the seat assembly is detachably connected with the frame, and a backrest is rotatably connected to the seat assembly;

a rear wheel assembly rotatably connected to a rear end of the frame;

and the push rod is movably inserted at the rear end of the frame.

2. The children's tricycle of claim 1, wherein the front wheel assembly includes: the upper end of the inserting rod movably penetrates through the frame, a fixing groove is formed in the inserting rod, and the handlebar assembly is sleeved at the upper end of the inserting rod and is clamped with the fixing groove;

and the front wheel is connected with the lower end of the inserted bar.

3. The children's tricycle of claim 2, wherein the handlebar assembly includes: the handlebar main body is movably sleeved at the upper end of the inserted link;

the fixing sleeve is arranged at the lower end of the handlebar main body, a fixing ring is arranged in the fixing sleeve, a fixing block is arranged on the inner side of the fixing ring, the fixing block movably penetrates through the handlebar main body and is inserted into the fixing groove, a pressing block is arranged on the outer side of the fixing ring, and the pressing block movably penetrates through the fixing sleeve;

and the elastic sheet is connected with the pressing block, and the end part of the elastic sheet is abutted against the outer side surface of the handlebar main body.

4. The children's tricycle of claim 1, wherein the seat assembly includes: the seat main body is movably connected with the frame, a cushion is detachably connected to the seat main body, a first fluted disc is arranged on the side face of the seat main body, a second fluted disc is connected to the backrest, and the second fluted disc is movably meshed with the first fluted disc;

the locking pin movably penetrates through the first fluted disc and the second fluted disc, and the end part of the locking pin is rotatably connected with a locking plate;

when the locking plate is rotated, the second gear disc can be driven to tightly abut against the first gear disc.

5. The tricycle as claimed in claim 4, wherein the locking pin is provided with an abutting nut which movably abuts against a side of the seat body away from the backrest, the side of the backrest is provided with a groove, the locking plate is provided with a locking cam, and the locking cam is located in the groove.

6. The tricycle for children as claimed in claim 1, wherein the backrest is detachably connected with a back cushion, the backrest is provided with a connecting hole and a locking hole, the locking hole is communicated with the connecting hole, a connecting block is inserted into the connecting hole, a locking protrusion is movably inserted into the connecting block, the locking protrusion is movably locked with the locking hole, and the connecting block is rotatably connected with a rail.

7. The tricycle as claimed in claim 4, wherein the lower end of the seat body is connected with a fastening bolt, the fastening bolt movably penetrates through the frame, and the lower end of the fastening bolt is connected with a fastening nut.

8. The tricycle for children as claimed in claim 1, wherein the frame is provided with a connecting tube, the connecting tube is connected with a locking tube, the locking tube is provided with a locking hole, an unlocking button is arranged in the locking hole, the lower end of the push rod is inserted into the connecting tube, a locking bolt is movably inserted into the push rod, the locking bolt is inserted into the locking hole and movably abuts against the unlocking button.

9. The children's tricycle of claim 1, wherein the rear wheel assembly includes: the fixed shell is arranged on the frame, and a rotating cavity is arranged in the fixed shell;

the connecting piece is inserted into the rotating cavity, the end part of the connecting piece is rotatably connected with a rear wheel, a limiting pin is arranged on the connecting piece, and the end part of the limiting pin is movably inserted into the fixed shell.

10. The tricycle for children as claimed in claim 9, wherein the connecting member is provided with a limiting sleeve, the limiting pin is movably inserted into the limiting sleeve, a limiting plate is disposed in the rotating cavity, and the limiting plate movably abuts against a side surface of the limiting sleeve.

Technical Field

The invention belongs to the field of children's appliances, and particularly relates to a child tricycle.

Background

The baby carrier is a large door among children toys, and comprises four categories of children bicycles, children carts, baby walker and children tricycles. However, the existing children's stroller has various installation steps, occupies a large volume when not in use, and is inconvenient to package and transport, so that a children's tricycle which is convenient to install, foldable and capable of meeting the requirements of people needs to be designed at present.

Disclosure of Invention

The invention provides a child tricycle aiming at the current situation of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a child tricycle is provided, comprising: a frame;

the front wheel assembly is movably inserted at the front end of the frame;

the handlebar assembly is sleeved at the upper end of the front wheel assembly and is detachably connected with the front wheel assembly;

the seat assembly is detachably connected with the frame, and a backrest is rotatably connected to the seat assembly;

a rear wheel assembly rotatably connected to a rear end of the frame;

and the push rod is movably inserted at the rear end of the frame.

In the above child tricycle, the front wheel assembly includes: the upper end of the inserting rod movably penetrates through the frame, a fixing groove is formed in the inserting rod, and the handlebar assembly is sleeved at the upper end of the inserting rod and is clamped with the fixing groove;

and the front wheel is connected with the lower end of the inserted bar.

In the above child tricycle, the handlebar assembly includes: the handlebar main body is movably sleeved at the upper end of the inserted link;

the fixing sleeve is arranged at the lower end of the handlebar main body, a fixing ring is arranged in the fixing sleeve, a fixing block is arranged on the inner side of the fixing ring, the fixing block movably penetrates through the handlebar main body and is inserted into the fixing groove, a pressing block is arranged on the outer side of the fixing ring, and the pressing block movably penetrates through the fixing sleeve;

and the elastic sheet is connected with the pressing block, and the end part of the elastic sheet is abutted against the outer side surface of the handlebar main body.

In a child tricycle of the above kind, the seat assembly includes: the seat main body is movably connected with the frame, a first fluted disc is arranged on the side surface of the seat main body, a second fluted disc is connected to the backrest, and the second fluted disc is movably meshed with the first fluted disc;

the locking pin movably penetrates through the first fluted disc and the second fluted disc, and the end part of the locking pin is rotatably connected with a locking plate;

when the locking plate is rotated, the second gear disc can be driven to tightly abut against the first gear disc.

In the child tricycle, the locking pin is provided with a leaning nut, the leaning nut movably leans against one side of the seat body far away from the backrest, the side face of the backrest is provided with a groove, the locking plate is provided with a locking cam, and the locking cam is located in the groove.

In the child tricycle, the backrest is provided with a connecting hole and a clamping hole, the clamping hole is communicated with the connecting hole, a connecting block is inserted into the connecting hole, a clamping convex block is movably inserted into the connecting block, the clamping convex block is movably clamped with the clamping hole, and a fence is rotatably connected to the connecting block.

In the child tricycle, the lower end of the seat main body is connected with a fastening stud, the fastening stud movably penetrates through the frame, and the lower end of the fastening bolt is connected with a fastening nut.

In the child tricycle, the frame is provided with the connecting cylinder, the connecting cylinder is connected with the locking cylinder, a locking hole is formed in the locking cylinder, an unlocking button is arranged in the locking hole, the lower end of the push rod is inserted into the connecting cylinder, a locking bolt is movably inserted into the push rod, and the locking bolt is inserted into the locking hole and movably abutted against the unlocking button.

In the above child tricycle, the rear wheel assembly includes: the fixed shell is arranged on the frame, and a rotating cavity is arranged in the fixed shell;

the connecting piece is inserted into the rotating cavity, the end part of the connecting piece is rotatably connected with a rear wheel, a limiting pin is arranged on the connecting piece, and the end part of the limiting pin is movably inserted into the fixed shell.

In the child tricycle, the connecting piece is provided with a limiting sleeve, the limiting pin is movably inserted into the limiting sleeve, a limiting plate is arranged in the rotating cavity, and the limiting plate movably abuts against the side face of the limiting sleeve.

Compared with the prior art, the child tricycle seat has the advantages that the child tricycle seat can be folded, the size of a tricycle body is reduced in the transportation process, and the child tricycle seat is convenient to package; the angle of the seat is convenient to adjust, the angle of the backrest is stable during use, and the safety is improved; the whole vehicle is more convenient to disassemble and assemble, and other tools are not needed.

Drawings

FIG. 1 is a perspective view of the present child tricycle;

FIG. 2 is a cross-sectional view of the present child tricycle;

FIG. 3 is an exploded view of the present child's tricycle;

FIG. 4 is a cross-sectional view of the present seat assembly;

FIG. 5 is a perspective view of the front wheel assembly;

FIG. 6 is a perspective view of the handlebar assembly.

In the figure, 1, a frame; 2. a backrest; 3. a push rod; 4. inserting a rod; 5. fixing grooves; 6. a front wheel; 7. a handlebar body; 8. fixing the sleeve; 9. a fixing ring; 10. a fixed block; 11. a pressing block; 12. an elastic sheet; 13. a seat main body; 14. a first fluted disc; 15. a second fluted disc; 16. a locking pin; 17. a locking plate; 18. against the nut; 19. a groove; 20. locking the cam; 21. connecting holes; 22. a clamping hole; 23. connecting blocks; 24. clamping the convex block; 25. a fence; 26. fastening a stud; 27. fastening a nut; 28. a connecting cylinder; 29. a locking barrel; 30. a locking hole; 31. an unlock button; 32. locking the bolt; 33. a stationary case; 34. a rotation chamber; 35. a connecting member; 36. a rear wheel; 37. a spacing pin; 38. a limiting sleeve; 39. and a limiting plate.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 6, the child tricycle includes: a frame 1; the front wheel 6 assembly is movably inserted at the front end of the frame 1; the handlebar assembly is sleeved at the upper end of the front wheel 6 assembly and is detachably connected with the front wheel 6 assembly; the seat assembly is detachably connected with the frame 1, and a backrest 2 is rotatably connected to the seat assembly; a rear wheel 36 assembly rotatably connected to the rear end of the frame 1; and the push rod 3 is movably inserted at the rear end of the frame 1.

6 subassembly activities of front wheel are inserted and are located on frame 1, the handlebar subassembly is connected with 6 subassemblies of front wheel, can play the effect of turning to with 6 subassemblies of front wheel like this, the seat subassembly is connected with frame 1, 2 rotation of back are connected on the seat, when using, can open back 2, it is folding to the seat direction with back 2 during the transportation, reduce the angle between back 2 and the seat, convenient packing, 36 subassemblies of rear wheel are the rotation with frame 1 and are connected, can be folded back 36 subassemblies to frame 1 direction during the transportation, further reduce whole car volume, convenient packing and transportation.

The front wheel 6 assembly comprises: the upper end of the inserting rod 4 movably penetrates through the frame 1, a fixing groove 5 is formed in the inserting rod 4, and the handlebar assembly is sleeved at the upper end of the inserting rod 4 and is clamped with the fixing groove 5; and a front wheel 6 connected with the lower end of the inserted link 4.

Frame 1 is run through from bottom to top to inserted bar 4, is provided with fixed slot 5 in inserted bar 4 upper end, and fixed slot 5 and handlebar subassembly joint, front wheel 6 set up in inserted bar 4 lower extreme, can drive front wheel 6 when the handlebar rotates and turn to.

The handlebar assembly includes: a handlebar body 7 movably sleeved on the upper end of the inserted link 4; the fixing sleeve 8 is arranged at the lower end of the handlebar main body 7, a fixing ring 9 is arranged in the fixing sleeve 8, a fixing block 10 is arranged on the inner side of the fixing ring 9, the fixing block 10 movably penetrates through the handlebar main body 7 and is inserted into the fixing groove 5, a pressing block 11 is arranged on the outer side of the fixing ring 9, and the pressing block 11 movably penetrates through the fixing sleeve 8; and an elastic piece 12 connected to the pressing block 11, wherein an end of the elastic piece 12 abuts against an outer side surface of the handle body 7.

Fixed sleeve 8 is connected with handlebar main part 7, handlebar main part 7 cover is located on inserted bar 4, be provided with solid fixed ring 9 in fixed sleeve 8, gu be provided with fixed block 10 on the fixed ring 9, fixed block 10 activity runs through handlebar main part 7 and inserts to fixed slot 5 in, just so can fix handlebar main part 7 and inserted bar 4, flexure strip 12 can adopt plastic sheet or sheetmetal, it can provide elasticity for solid fixed ring 9, make the tricycle under the normal use condition, fixed block 10 can stably insert to fixed slot 5 in, prevent that handlebar main part 7 and inserted bar 4 from breaking away from.

During the unblock, only need push down according to the briquetting 11, and then push down briquetting 11 and can drive solid fixed ring 9 and remove for fixed block 10 breaks away from inserted bar 4, just can break away from handlebar main part 7 and inserted bar 4 this moment, convenient transportation.

The upper end of the inserted link 4 can be in a conical shape, so that the handle main body 7 can be directly sleeved into the inserted link 4 without pressing down the pressing block 11 again during installation, and the top end of the conical inserted link 4 can conveniently extrude the fixing block 10 outwards.

The seat assembly includes: the seat body 13 is movably connected with the frame 1, a first fluted disc 14 is arranged on the side surface of the seat body 13, a second fluted disc 15 is connected on the backrest 2, and the second fluted disc 15 is movably meshed with the first fluted disc 14; the locking pin 16 movably penetrates through the first fluted disc 14 and the second fluted disc 15, and a locking plate 17 is rotatably connected to the end part of the locking pin 16; when the locking plate 17 is rotated, the second toothed disc 15 can be driven to abut against the first toothed disc 14.

Be provided with first fluted disc 14 on the seat main part 13, be connected with second fluted disc 15 on the back 2, second fluted disc 15 is connected with first fluted disc 14 active mesh, can drive second fluted disc 15 when locking plate 17 rotates and support tightly first fluted disc 14, just so can die first fluted disc 14 and second fluted disc 15 lock for back 2 can not take place easily during normal use and rock, the security when guaranteeing to take.

Present seat main part 13 and back 2 are the plastics material greatly, the surface is more smooth, the material is harder, in order to guarantee the comfort level that children took, can set up detachable cushion and cushion on seat main part 13 and back 2, firstly can improve and take the comfort level, landing when preventing children from taking, secondly conveniently detach seat main part 13 and back 2 with cushion and cushion, the washing of the cushion and the cushion of being convenient for, the material of cushion and cushion can adopt to weave or the leather class.

The locking plate 17 is rotated reversely, that is, the second toothed disc 15 and the first toothed disc 14 can be loosened, at this time, the backrest 2 can be rotated, so that the backrest 2 rotates towards the seat body 13, the height of the seat can be reduced, and the seat is convenient to transport and package.

The locking pin 16 is provided with an abutting nut 18, the abutting nut 18 movably abuts against one side of the seat body 13 far away from the backrest 2, the side surface of the backrest 2 is provided with a groove 19, the locking plate 17 is provided with a locking cam 20, and the locking cam 20 is positioned in the groove 19.

The locking plate 17 can drive the locking cam 20 to rotate when rotating, and can drive the locking pin 16 to be tensioned when the cam rotates, namely, the first fluted disc 14 and the second fluted disc 15 can be abutted tightly.

The backrest 2 is provided with a connecting hole 21 and a clamping hole 22, the clamping hole 22 is communicated with the connecting hole 21, a connecting block 23 is inserted into the connecting hole 21, a clamping convex block 24 is movably inserted into the connecting block 23, the clamping convex block is movably clamped with the clamping hole 22, and a fence 25 is rotatably connected to the connecting block 23.

The rail 25 is pivotally connected to the connecting block 23 to pivot the rail 25 into position, the rail 25 surrounding the chest of the child, thus providing protection against the child leaning forward and out of the seat.

The lower extreme at connecting block 23 can set up the supporting shoe, and the downward pivoted angle of restriction rail 25 improves the protection effect.

The rail 25 can also be rotated upwards, i.e. the angle between the rail 25 and the backrest 2 can be reduced, facilitating the subsequent folding of the backrest 2 downwards.

A clamping convex block 24 is movably inserted in the connecting block 23, and the clamping convex block 24 is movably clamped with the clamping hole 22, so that the connecting block 23 is convenient to disassemble and assemble, namely the fence 25 is convenient to disassemble and assemble.

The lower end of the seat body 13 is connected with a fastening stud 26, the fastening stud 26 movably penetrates through the frame 1, and the lower end of the fastening bolt is connected with a fastening nut 27.

The fastening screw 26 movably penetrates through the frame 1, the lower end of the fastening screw 26 is connected with a fastening nut 27, and the seat body 13 can be abutted against or loosened from the frame 1 by screwing or unscrewing the fastening nut 27, so that the seat body 13 can be fixed or detached.

Be provided with a connecting cylinder 28 on the frame 1, be connected with a locking section of thick bamboo 29 on the connecting cylinder 28, seted up locking hole 30 on the locking section of thick bamboo 29, be provided with unlocking button 31 in the locking hole 30, in push rod 3 lower extreme was inserted and is located connecting cylinder 28, the activity was inserted on push rod 3 and is equipped with locking bolt 32, and locking bolt 32 inserts and just the activity is supported and is leaned on in unlocking button 31 in locking hole 30.

Be provided with a locking section of thick bamboo 29 on the connecting cylinder 28, be provided with locking bolt 32 on the push rod 3, locking bolt 32 inserts to locking hole 30 in, and then can make push rod 3 be connected with frame 1, be provided with release button 31 in locking hole 30, the activity of locking bolt 32 tip is supported and is leaned on release button 31, it just can drive locking bolt 32 and inwards shrink to press release button 31, and then make locking bolt 32 break away from locking hole 30, push rod 3 just can separate with connecting cylinder 28 this moment, conveniently dismantle push rod 3.

When the push rod 3 is installed, only the locking bolt 32 needs to be pressed and the push rod 3 needs to be pressed downwards, other tools do not need to be used, and the installation is convenient and labor-saving.

In order to further facilitate the installation of the push rod 3, the locking cylinder 29 is provided with an inclined surface, so that when the push rod 3 is pressed in a hungry manner, the locking bolt 32 can abut against the inclined surface and is pressed by the inclined surface to contract inwards, and thus, the locking bolt 32 does not need to be pressed when the push rod 3 is installed.

The rear wheel 36 assembly includes: a fixed shell 33 arranged on the frame 1, wherein a rotating cavity 34 is arranged in the fixed shell 33; the connecting piece 35 is inserted into the rotating cavity 34, the end of the connecting piece 35 is rotatably connected with a rear wheel 36, a limit pin 37 is arranged on the connecting piece 35, and the end of the limit pin 37 is movably inserted into the fixed shell 33.

The fixed shell 33 is connected with the frame 1, the connecting piece 35 is inserted into the rotating cavity 34, the limiting pin 37 is arranged on the connecting piece 35, and the limiting pin 37 is movably inserted into the fixed shell 33, so that the connecting piece 35 can not rotate during the use of the tricycle, when the rear wheel 36 assembly needs to be folded, the limiting pin 37 is pressed, the limiting pin 37 is separated from the fixed shell 33, at the moment, the connecting piece 35 can rotate in the rotating cavity 34, and the rear wheel 36 assembly can be folded.

The connecting piece 35 is provided with a limiting sleeve 38, the limiting pin 37 is movably inserted into the limiting sleeve 38, a limiting plate 39 is arranged in the rotating cavity 34, and the limiting plate 39 movably abuts against the side face of the limiting sleeve 38.

Limiting sleeve 38 sets up on connecting piece 35, and limiting plate 39 activity is supported and is leaned on in limiting sleeve 38 side to limiting connecting piece 35's rotation direction, and summarizing the process of using children's tricycle, the restriction between limiting sleeve 38 and the limiting plate 39 can further guarantee that connecting piece 35 can not take place to rotate, guarantees that the 36 subassemblies of rear wheel can not collapse, further guarantees the security when the driving.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the accompanying claims.