CN217835918U

CN217835918U - Liftable child's tricycle handlebar mechanism

Info

Publication number: CN217835918U
Application number: CN202221698773.8U
Authority: CN
Inventors: 董立伟; 董立志
Original assignee: Hebei Good Lai Fu Toy Co ltd
Current assignee: Hebei Good Lai Fu Toy Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-18
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a liftable child tricycle handlebar mechanism, which comprises a child tricycle body, wherein a fixed cylinder is arranged on the child tricycle body in a penetrating manner, an adjusting column is arranged on the fixed cylinder in a rotating manner in a penetrating manner, a fixed ring block is sleeved on the adjusting column in a sliding manner, four symmetrically distributed slots are formed in the inner wall of the fixed ring block, a driving cavity is formed in the adjusting column, and three adjusting mechanisms and driving components are arranged in the driving cavity; the utility model relates to the technical field of children tricycle; this liftable children's tricycle handlebar mechanism can be according to the height of children's height initiative highly adjusting handle and regulating block through the adjustment mechanism who sets up to can carry out the secondary through the regulating block to the height of handlebar again and adjust, thereby can make things convenient for children to ride to suitable position with the altitude mixture control of handlebar more.

Description

Liftable child's tricycle handlebar mechanism

Technical Field

The utility model relates to a children's tricycle technical field specifically is a children's tricycle handlebar mechanism of liftable.

Background

Along with the continuous development of the times, children's childhood life is more and more abundant, and wherein the bassinet is a large class among children's toys, including four classes of children's bicycle, children's shallow, baby walker, children's tricycle, when children use children's tricycle, often need adjust the height of handlebar, make things convenient for children to ride.

The publication number CN211663388U discloses a foldable handlebar of a child tricycle, which comprises a handlebar body and a front fork, wherein the handlebar body comprises a handle and a connecting rod, and the connecting rod and the front fork are mutually hinged through a pin shaft to limit circumferential rotation between the handle and the front fork; the novel and current children's tricycle of its usefulness, the handlebar can be folded, when not, can fold the handlebar to save space makes things convenient for depositing of children's tricycle. But the device has following not enough, can't adjust the height of handlebar according to children's height, leads to children can be because handlebar position is improper to lead to being difficult for riding when using the tricycle, influences the result of use.

Therefore, the utility model provides a children tricycle handlebar mechanism of liftable to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a children's tricycle handlebar mechanism of liftable has solved above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a liftable child tricycle handlebar mechanism comprises a child tricycle body, wherein a fixed cylinder penetrates through the child tricycle body, an adjusting column is rotatably arranged on the fixed cylinder in a penetrating manner, a fixed ring block is slidably sleeved on the adjusting column, four symmetrically-distributed slots are formed in the inner wall of the fixed ring block, a driving cavity is formed in the adjusting column, and three adjusting mechanisms and three driving assemblies are arranged in the driving cavity;

the adjusting mechanism comprises four telescopic assemblies, each telescopic assembly comprises a placing ring, an installation block, a first threaded rod and an insertion cylinder, the placing ring is fixedly installed on the inner wall of the driving cavity, the installation block is fixedly installed in the placing ring, the first threaded rod is rotatably installed on the installation block in a penetrating mode, the insertion cylinder is installed on the first threaded rod in a threaded mode, one end of the insertion cylinder penetrates out of the adjusting column in a sliding mode, and one end of the insertion cylinder extends into the insertion groove in a sliding mode;

drive assembly is including a plurality of first bevel gears, turning block, extension rod and three second bevel gear, and is a plurality of first bevel gear is fixed mounting respectively in the one end of the first threaded rod that corresponds, the turning block rotates the top of installing at the regulation post, the bottom of turning block rotates and extends to the drive intracavity, turn block fixed mounting at the top of turning block, extension rod fixed mounting is in the bottom of turning block, and is three the equal fixed mounting of second bevel gear is on the extension rod, second bevel gear meshes with four first bevel gear that correspond mutually.

Preferably, one side fixed mounting of stationary ring piece has the connecting block, the top fixed mounting of connecting block has the regulating block, the square groove has been seted up at the top of regulating block, the circular slot has been seted up to the bottom inner wall of square groove, the threaded sleeve is installed to the circular slot internal rotation, the second threaded rod is installed to the threaded sleeve internal thread, the top of second threaded rod extends to in the square groove, the top fixed mounting of second threaded rod has the square, outside the top of square slides and extends to the square groove, can carry out the secondary through the regulating block that sets up to the height of handle and adjust.

Preferably, the transmission chamber has been seted up on the regulating block, the transmission chamber is linked together with the circular slot, threaded sleeve's bottom extends to the transmission intracavity, threaded sleeve's bottom fixed mounting has third bevel gear, one side outer wall of regulating block rotates installs the transfer line, the one end of transfer line is rotated and is extended to the transmission intracavity, the one end fixed mounting of transfer line has fourth bevel gear, fourth bevel gear and the meshing of third bevel gear can indirectly drive threaded sleeve through the transfer line that sets up and rotate.

Preferably, a plurality of fixed slots have been seted up to one side of square, one side outer wall fixed mounting of regulating block has the drum, the one end of drum extends to the square groove in, the drum internal thread runs through installs the third threaded rod, the one end of third threaded rod slides and extends to in the fixed slot that corresponds, and the third threaded rod through setting up can insert in the fixed slot and carry on spacingly to the square block.

Preferably, the top fixed mounting of square has the installation pole, the one end fixed mounting of installation pole has the handlebar, can control the walking direction of children's tricycle body indirectly through the handlebar that sets up.

Preferably, place the inner wall of ring and seted up first spout, insert a fixed mounting and have the gag lever post on the section of thick bamboo, in the one end of gag lever post extended to first spout, can carry on spacingly to inserting a section of thick bamboo through the gag lever post that sets up, avoid inserting a section of thick bamboo and take place to drop or can rotate along with first threaded rod together.

Preferably, a second sliding groove is formed in the inner wall of one side of the square groove, a stop lever is fixedly mounted on one side of the square block, one end of the stop lever extends into the second sliding groove, the stop lever can limit the square block through the stop lever, and the square block is prevented from moving too far.

Preferably, one end of the transmission rod is fixedly provided with a first hand wheel, one end of the third threaded rod is fixedly provided with a second hand wheel, and the first hand wheel and the second hand wheel are arranged to enable an operator to manually control the transmission rod and the third threaded rod to rotate.

Advantageous effects

The utility model provides a liftable child tricycle handlebar mechanism. Compared with the prior art, the method has the following beneficial effects:

(1) This liftable child tricycle handlebar mechanism can initiatively adjust the height of handle and regulating block according to children's height through the adjustment mechanism who sets up to can again carry out the secondary through the regulating block to the height of handlebar and adjust, thereby can make things convenient for children to ride to suitable position with the altitude mixture control of handlebar more.

(2) This children's tricycle handlebar mechanism of liftable can carry out synchronous drive to three adjustment mechanism through the drive assembly who sets up to make four insert a section of thick bamboo and can carry out synchronous motion, reach the effect to the fixed ring piece altitude mixture control.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic structural diagram of an adjusting mechanism in the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic view of the partial front sectional structure of the present invention;

FIG. 5 is a perspective assembly view of the mounting stem and handlebar of the present invention;

fig. 6 is a perspective assembly view of the middle cylinder, the third threaded rod and the second hand wheel of the present invention.

In the figure: 1. a child tricycle body; 2. a fixed cylinder; 3. an adjustment column; 4. a fixed ring block; 5. a slot; 6. a drive chamber; 7. placing a ring; 8. mounting blocks; 9. a first threaded rod; 10. inserting a cylinder; 11. a first bevel gear; 12. rotating the block; 13. a twisting block; 14. an extension rod; 15. a second bevel gear; 16. connecting blocks; 17. a regulating block; 18. a square groove; 19. a circular groove; 20. a threaded sleeve; 21. a second threaded rod; 22. a square block; 23. a transmission cavity; 24. a third bevel gear; 25. a transmission rod; 26. a fourth bevel gear; 27. fixing grooves; 28. a cylinder; 29. a third threaded rod; 30. mounting a rod; 31. a handlebar; 32. a limiting rod; 33. a stop lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 and fig. 2 and fig. 3, a liftable handlebar mechanism of a child tricycle comprises a child tricycle body 1, wherein a fixed cylinder 2 is installed on the child tricycle body 1 in a penetrating manner, an adjusting column 3 is installed on the fixed cylinder 2 in a rotating and penetrating manner, a fixed ring block 4 is slidably sleeved on the adjusting column 3, four symmetrically-distributed slots 5 are formed in the inner wall of the fixed ring block 4, a driving cavity 6 is formed in the adjusting column 3, and three adjusting mechanisms and three driving assemblies are arranged in the driving cavity 6;

the adjusting mechanism comprises four telescopic assemblies, each telescopic assembly comprises a placing ring 7, an installing block 8, a first threaded rod 9 and an inserting cylinder 10, the placing ring 7 is fixedly installed on the inner wall of the driving cavity 6, the installing block 8 is fixedly installed in the placing ring 7, the first threaded rod 9 is rotatably installed on the installing block 8 in a penetrating mode, the inserting cylinder 10 is installed on the first threaded rod 9 in a threaded mode, one end of the inserting cylinder 10 penetrates the adjusting column 3 in a sliding mode, and one end of the inserting cylinder 10 extends into the inserting groove 5 in a sliding mode;

drive assembly is including a plurality of first bevel gears 11, the turning block 12, twist piece 13, extension rod 14 and three second bevel gear 15, a plurality of first bevel gear 11 respectively fixed mounting are in the one end of the first threaded rod 9 that corresponds, turning block 12 rotates and installs the top at regulation post 3, the bottom of turning block 12 rotates and extends to in the drive chamber 6, twist piece 13 fixed mounting is at the top of turning block 12, extension rod 14 fixed mounting is in the bottom of turning block 12, the equal fixed mounting of three second bevel gear 15 is on extension rod 14, second bevel gear 15 meshes with four first bevel gear 11 that correspond mutually.

Example two:

referring to fig. 1, fig. 3, fig. 4 and fig. 5, the present embodiment provides a technical solution based on the first embodiment: a connecting block 16 is fixedly installed on one side of the fixed ring block 4, an adjusting block 17 is fixedly installed on the top of the connecting block 16, a square groove 18 is formed in the top of the adjusting block 17, a round groove 19 is formed in the inner wall of the bottom of the square groove 18, a threaded sleeve 20 is rotatably installed in the round groove 19, a second threaded rod 21 is installed in the threaded sleeve 20 in a threaded mode, the top end of the second threaded rod 21 extends into the square groove 18, a square block 22 is fixedly installed at the top end of the second threaded rod 21, and the top of the square block 22 extends out of the square groove 18 in a sliding mode;

a transmission cavity 23 is formed in the adjusting block 17, the transmission cavity 23 is communicated with the circular groove 19, the bottom end of the threaded sleeve 20 extends into the transmission cavity 23, a third bevel gear 24 is fixedly installed at the bottom end of the threaded sleeve 20, a transmission rod 25 is rotatably installed on the outer wall of one side of the adjusting block 17, one end of the transmission rod 25 rotatably extends into the transmission cavity 23, a fourth bevel gear 26 is fixedly installed at one end of the transmission rod 25, and the fourth bevel gear 26 is meshed with the third bevel gear 24;

a plurality of fixing grooves 27 are formed in one side of the square block 22, a cylinder 28 is fixedly installed on the outer wall of one side of the adjusting block 17, one end of the cylinder 28 extends into the square groove 18, a third threaded rod 29 penetrates through the inner thread of the cylinder 28, and one end of the third threaded rod 29 extends into the corresponding fixing groove 27 in a sliding mode;

a first sliding groove is formed in the inner wall of the placing ring 7, a limiting rod 32 is fixedly mounted on the inserting cylinder 10, and one end of the limiting rod 32 extends into the first sliding groove;

a second sliding groove is formed in the inner wall of one side of the square groove 18, a stop lever 33 is fixedly mounted on one side of the square block 22, and one end of the stop lever 33 extends into the second sliding groove;

one end of the transmission rod 25 is fixedly provided with a first hand wheel, and one end of the third threaded rod 29 is fixedly provided with a second hand wheel.

And those not described in detail in this specification are well within the skill of the art.

When the height of the handlebar 31 needs to be adjusted, firstly, an operator screws the turning block 13 through an adaptive tool, the turning block 13 drives the turning block 12 to rotate, the turning block 12 drives the extension rod 14 to rotate, the extension rod 14 drives the three second bevel gears 15 to rotate, the three second bevel gears 15 respectively drive the four first bevel gears 11 engaged with the three second bevel gears to rotate, the first bevel gears 11 drive the first threaded rods 9 to rotate, the first threaded rods 9 drive the barrels 10 in threaded connection with the first threaded rods to move, so that the four barrels 10 are separated from the slots 5, at this time, the height of the fixed ring block 4 is adjusted, the slots 5 are aligned with other barrels 10, then, the aligned barrels 10 are inserted into the slots 5 to complete fixing of the fixed ring block 4, then the second hand wheel is screwed, the second hand wheel drives the third hand wheel 29 to rotate, so that the third hand wheel 29 rotates on the barrel 28, so that the third hand wheel 29 is separated from the fixed slot 27, at this time, the first hand wheel is screwed, the first hand wheel drives the driving transmission rod 25 to rotate, the fourth hand wheel 25 drives the fourth bevel gear 26 to rotate, at this time, the third hand wheel 29 drives the lifting bevel gear 22 to rotate, at this time, the lifting sleeve 22 drives the lifting sleeve 20, at this time, the lifting sleeve 22 is connected with the lifting sleeve 22, the lifting sleeve 21, at this time, the lifting sleeve 22 is connected with the lifting sleeve 22, and the lifting sleeve 22.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a children's tricycle handlebar mechanism of liftable, includes children's tricycle body (1), its characterized in that: a fixed cylinder (2) penetrates through the child tricycle body (1), an adjusting column (3) penetrates through the fixed cylinder (2) in a rotating mode, a fixed ring block (4) is sleeved on the adjusting column (3) in a sliding mode, four symmetrically distributed slots (5) are formed in the inner wall of the fixed ring block (4), a driving cavity (6) is formed in the adjusting column (3), and three adjusting mechanisms and three driving assemblies are arranged in the driving cavity (6);

the adjusting mechanism comprises four telescopic assemblies, each telescopic assembly comprises a placing ring (7), an installing block (8), a first threaded rod (9) and an inserting cylinder (10), the placing ring (7) is fixedly installed on the inner wall of the driving cavity (6), the installing block (8) is fixedly installed in the placing ring (7), the first threaded rod (9) is rotatably installed on the installing block (8) in a penetrating mode, the inserting cylinder (10) is installed on the first threaded rod (9) in a threaded mode, one end of the inserting cylinder (10) penetrates out of the adjusting column (3) in a sliding mode, and one end of the inserting cylinder (10) extends into the inserting groove (5) in a sliding mode;

drive assembly is including a plurality of first bevel gear (11), turning block (12), wrench movement piece (13), extension rod (14) and three second bevel gear (15), and is a plurality of first bevel gear (11) is fixed mounting respectively in the one end of the first threaded rod (9) that corresponds, turning block (12) rotate and install the top at regulation post (3), the bottom of turning block (12) is rotated and is extended to in drive chamber (6), wrench movement piece (13) fixed mounting is at the top of turning block (12), extension rod (14) fixed mounting is in the bottom of turning block (12), and is three the equal fixed mounting of second bevel gear (15) is on extension rod (14), second bevel gear (15) meshes with four first bevel gear (11) that correspond mutually.

2. The liftable handlebar mechanism of the children's tricycle of claim 1, wherein: one side fixed mounting of retaining ring piece (4) has connecting block (16), the top fixed mounting of connecting block (16) has regulating block (17), square groove (18) have been seted up at the top of regulating block (17), circular slot (19) have been seted up to the bottom inner wall of square groove (18), threaded sleeve (20) are installed to circular slot (19) internal rotation, second threaded rod (21) are installed to threaded sleeve (20) internal thread, the top of second threaded rod (21) extends to in square groove (18), the top fixed mounting of second threaded rod (21) has square (22), the top of square (22) slides and extends to outside square groove (18).

3. The liftable handlebar mechanism of the children's tricycle as claimed in claim 2, wherein: seted up transmission chamber (23) on regulating block (17), transmission chamber (23) are linked together with circular slot (19), the bottom of threaded sleeve (20) extends to in transmission chamber (23), the bottom fixed mounting of threaded sleeve (20) has third bevel gear (24), transfer line (25) are installed in one side outer wall rotation of regulating block (17), the one end of transfer line (25) is rotated and is extended to in transmission chamber (23), the one end fixed mounting of transfer line (25) has fourth bevel gear (26), fourth bevel gear (26) and third bevel gear (24) meshing.

4. The liftable handlebar mechanism of the children's tricycle as claimed in claim 3, wherein: a plurality of fixed slots (27) have been seted up to one side of square (22), one side outer wall fixed mounting of regulating block (17) has drum (28), the one end of drum (28) extends to in square groove (18), third threaded rod (29) are installed in running through to drum (28) internal thread, the one end of third threaded rod (29) slides and extends to in corresponding fixed slot (27).

5. The liftable handlebar mechanism of the child tricycle as claimed in claim 2, wherein: the top fixed mounting of square (22) has installation pole (30), the one end fixed mounting of installation pole (30) has handlebar (31).

6. The liftable handlebar mechanism of the children's tricycle of claim 1, wherein: the inner wall of placing ring (7) has been seted up first spout, insert fixed mounting on a section of thick bamboo (10) and have gag lever post (32), the one end of gag lever post (32) extends to in the first spout.

7. The liftable handlebar mechanism of the children's tricycle as claimed in claim 2, wherein: the second spout has been seted up to one side inner wall of square groove (18), one side fixed mounting of square (22) has pin (33), the one end of pin (33) extends to in the second spout.

8. The liftable handlebar mechanism of the children's tricycle as claimed in claim 4, wherein: one end fixed mounting of transfer line (25) has first hand wheel, the one end fixed mounting of third threaded rod (29) has the second hand wheel.