CN215922437U

CN215922437U - Children's balance car that shock attenuation performance is good

Info

Publication number: CN215922437U
Application number: CN202121438987.7U
Authority: CN
Inventors: 杨雪; 林涛
Original assignee: Nanjing Jianwu Electronic Technology Co ltd
Current assignee: Nanjing Jianwu Electronic Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-03-01
Anticipated expiration: 2031-06-25

Abstract

A child balance car with good damping performance comprises a handlebar, wherein a supporting arm is arranged on the bottom side of the handlebar, a limiting rod is inserted into the supporting arm, an inclined strut is arranged on one side of the handlebar, a moving rod is arranged on the inclined strut, the moving rod and a fixed sleeve are fixed through a positioning bolt, when the child balance car is vibrated, a fixed block in a main cavity moves downwards to extrude hydraulic oil, the oil level of an auxiliary cavity rises, and an extruding moving block enables the moving block to rise, meanwhile, a first spring provides reverse force, and the damping performance of the child balance car is greatly improved by matching with a second spring and a telescopic rod to reversely extrude the moving block, so that the probability of child injury in the moving process is reduced; meanwhile, the top rod pushes the stop block to be clamped in the groove on the limiting rod by screwing the limiting bolt, and the height of the balance car can be increased by replacing tires with different diameters after disassembly, so that the usability is improved; and the height of the seat can be adjusted by inserting the adjusting positioning bolts into the through holes with different heights on the upper side of the moving rod and fixing the adjusting positioning bolts by using nuts, so that the adaptability is high.

Description

Children's balance car that shock attenuation performance is good

Technical Field

The utility model relates to the technical field of child balance cars, in particular to a child balance car with good shock absorption performance.

Background

The children balance car is a sport and entertainment tool designed mainly for exercising the balance ability of children, and is usually provided with no chain and pedals and slides to advance completely under the pushing of the children.

The children balance car damping performance at present stage is relatively poor, makes children hurt easily at the removal in-process, can not adjust according to the difference at age simultaneously, and the usability is relatively poor, and inconvenient height adjustment seat according to different children's height, and the travelling comfort is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that a child balance car at the present stage is poor in damping performance, a child is easily injured in the moving process, cannot be adjusted according to different ages, is poor in usability, is inconvenient to adjust the height of a seat according to the heights of different children, and is poor in comfort, and therefore the child balance car with the good damping performance is provided.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a children's balance car that shock attenuation performance is good, includes the handlebar, the handlebar bottom side is provided with the support arm, it has the gag lever post to peg graft on the support arm, handlebar one side is provided with the bracing, be provided with framework and carriage release lever on the bracing, set up the main cavity room in the framework, the main cavity room bottom side is provided with the limiting plate.

According to a preferable technical scheme, a tire is arranged in the supporting arm, a clamping sleeve is arranged on one side of the limiting rod, limiting bolts are welded on the upper side and the lower side of the clamping sleeve, the limiting bolts are in threaded connection with ejector rods, the ejector rods are located in the clamping sleeve and are rotatably connected with a stop block through rotating shafts, a bearing is welded on the upper side of the clamping sleeve, and a bulge is integrally formed on the other side of the limiting rod through casting.

As a preferred technical scheme of the utility model, a frame body is arranged on the inclined strut, a sealing element is arranged on the upper side of the frame body, the sealing element is sleeved with a moving rod, a plurality of through holes are uniformly formed in the upper side of the moving rod, a fixed sleeve is sleeved on the moving rod, a through hole is formed in the bottom side of the fixed sleeve, a positioning bolt is inserted into the through hole of the fixed sleeve, nuts are connected to both sides of the positioning bolt in a threaded manner, and a seat is integrally formed at the upper end of the fixed sleeve by casting.

According to a preferable technical scheme, the moving rod is located in the main cavity and fixedly connected with a fixed block, a first spring is inserted into the bottom side of the fixed block, the bottom side of the first spring is sleeved with a limiting plate, the frame body is located on two sides of the main cavity and provided with auxiliary cavities, telescopic rods are welded on the upper sides of the auxiliary cavities, second springs are sleeved on the telescopic rods, one ends of the second springs are fixedly connected to the upper sides of the inner walls of the auxiliary cavities, moving blocks are sleeved on the other ends of the second springs, and the bottom ends of the moving blocks are of spherical structures.

As a preferable technical scheme of the present invention, a partition plate is disposed between the main chamber and the sub-chamber, a hole is formed in the partition plate between the main chamber and the sub-chamber and is located at a bottom side of the partition plate, and hydraulic oil is disposed in the main chamber.

The utility model has the following advantages: the movable rod and the fixed sleeve are fixed through the positioning bolt, when the movable rod is vibrated, the fixed block in the main cavity moves downwards to extrude hydraulic oil, the oil level of the auxiliary cavity rises, the movable block is extruded to ascend, meanwhile, the first spring provides reverse force, and the second spring and the telescopic rod are matched to reversely extrude the movable block, so that the damping performance of the balance car for children is greatly improved, and the probability of injury of children in the motion process is reduced; meanwhile, the top rod pushes the stop block to be clamped in the groove on the limiting rod by screwing the limiting bolt, and the height of the balance car can be increased by replacing tires with different diameters after disassembly, so that the usability is improved; and the height of the seat can be adjusted by inserting the adjusting positioning bolts into the through holes with different heights on the upper side of the moving rod and fixing the adjusting positioning bolts by using nuts, so that the adaptability is high.

Drawings

Fig. 1 is a front sectional structural schematic view of a child balance car with good shock absorption performance according to a preferred embodiment of the utility model;

FIG. 2 is a schematic three-dimensional structure of a child balance car with good shock absorption performance according to a preferred embodiment of the utility model;

fig. 3 is a schematic side view of a part of a good shock absorbing balance car for children according to a preferred embodiment of the utility model.

Description of reference numerals: 1. a handlebar; 2. a support arm; 21. a limiting rod; 22. a card sleeve; 23. A limit bolt; 24. a top rod; 25. a stopper; 26. a protrusion; 3. bracing; 31. a frame body; 32. a seal member; 33. a travel bar; 34. fixing a sleeve; 35. positioning bolts; 36. a seat; 4. A main chamber; 41. a limiting plate; 42. a fixed block; 43. a first spring; 44. a secondary chamber; 45. A telescopic rod; 46. a second spring; 47. moving the mass.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model will be further explained with reference to the drawings.

Example one

Please refer to fig. 1-3, which shows a balance car for children with good damping performance, including a handlebar 1, a supporting arm 2 is disposed at the bottom side of the handlebar 1, a limiting rod 21 is inserted into the supporting arm 2, a protrusion 26 is disposed at one side of the limiting rod 21, a stop 25 is disposed at the other side and can be inserted into a groove of the limiting rod 21, and a clamping sleeve 22 is used to facilitate the detachment and replacement of a tire, thereby facilitating the adjustment of the overall height of the device, an inclined strut 3 is disposed at one side of the handlebar 1, a frame 31 and a moving rod 33 are disposed on the inclined strut 3, a through hole is disposed at the upper side of the moving rod 33, the seat 36 can be raised or lowered by adjusting the position of the positioning bolt 35 and the through hole with different heights, a main chamber 4 is disposed in the frame 31, a limiting plate 41 is disposed at the bottom side of the main chamber 4, the limiting plate 41 is connected to a first spring 43, and hydraulic oil can be driven by the fixing block 42 to rush into an auxiliary chamber 44, thereby reducing the shock.

Specifically, a frame body 31 is arranged on the inclined strut 3, a moving rod 33 arranged on the frame body 31 can be matched with a fixed sleeve 34 to support a seat 36 for fixation, a sealing element 32 is arranged on the upper side of the frame body 31 to prevent leakage of hydraulic oil in the process that the moving rod 33 drives a fixed block 42 to move, the moving rod 33 is sleeved with the sealing element 32, a plurality of through holes are uniformly formed in the upper side of the moving rod 33, the fixed sleeve 34 is sleeved on the moving rod 33, a through hole is formed in the bottom side of the fixed sleeve 34, a positioning bolt 35 is inserted in the through hole of the fixed sleeve 34, nuts are connected to two sides of the positioning bolt 35 through threads, the seat 36 is integrally formed at the upper end of the fixed sleeve 34 through casting, the maximum distance between the moving rod 33 and the fixed sleeve 34 can be shortened or prolonged by adjusting the different heights of the through holes in the positioning bolt 35 and the moving rod 33, so that the height of the seat 36 can be conveniently adjusted, a tire is arranged in the support arm 2, a clamping sleeve 22 is arranged on one side of the limiting rod 21, the upper side and the lower side of the cutting sleeve 22 are welded with the limit bolts 23, the limit bolts 23 are in threaded connection with ejector rods 24, the ejector rods 24 are positioned in the cutting sleeve 22 and are rotatably connected with stop blocks 25 through rotating shafts, bearings are welded on the upper side of the cutting sleeve 22, the other side of the limit rod 21 is provided with bulges 26 through casting and integral forming, the ejector rods 24 are rotated to enable the stop blocks 25 to be close to each other until the stop blocks are attached to grooves of the limit rod 21 to form fixation, so that tires can be conveniently replaced, the usability is stronger, the moving rod 33 is positioned in the main cavity 4 and is fixedly connected with a fixed block 42, a first spring 43 is inserted at the bottom side of the fixed block 42, a limit plate 41 is sleeved at the bottom side of the first spring 43, auxiliary cavities 44 are arranged on two sides of the frame body 31 positioned in the main cavity 4, telescopic rods 45 are welded on the upper sides of the auxiliary cavities 44, second springs 46 are sleeved on the telescopic rods 45, one ends of the second springs 46 are fixedly connected on the upper sides of the inner walls of the auxiliary cavities 44, the movable block 47 has been cup jointed to the other end of second spring 46, movable block 47 bottom is the ball structure, when receiving vibrations, fixed block 42 moves down the extrusion hydraulic oil in main cavity 4, the accessory chamber 44 oil level risees, it makes movable block 47 rise to extrude movable block 47, vibrations have been reduced, second spring 46 extends under steady state simultaneously, extrusion movable block 47, it moves down to make movable block 47, thereby squeeze into main cavity 4 with the hydraulic oil in the accessory chamber 44, first spring 43 extends simultaneously, provide the counterforce, cooperation second spring 46 and telescopic link 45 carry out backward extrusion to movable block 47, children's balance car's damping performance has been promoted greatly.

Example two

In the first embodiment, the damping device generates heat, so that the device generates heat, referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that a partition plate is arranged between the main chamber 4 and the sub-chamber 44, a hole is formed in the partition plate between the main chamber 4 and the sub-chamber 44 and is located at the bottom side of the partition plate, hydraulic oil is arranged in the main chamber 4, by arranging the hydraulic oil, the damping performance of the device is improved, meanwhile, the hydraulic oil can absorb certain heat in the moving process, the friction coefficient of the oil is small, and the heat generated by vibration is reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Other parts of the utility model not described in detail are prior art and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a children's balance car that shock attenuation performance is good, includes handlebar (1), its characterized in that, handlebar (1) bottom side is provided with support arm (2), it has gag lever post (21) to peg graft on support arm (2), handlebar (1) one side is provided with bracing (3), be provided with framework (31) and carriage release lever (33) on bracing (3), main cavity room (4) have been seted up in framework (31), main cavity room (4) bottom side is provided with limiting plate (41).

2. The children's balance car with good shock absorption performance as claimed in claim 1, wherein a tire is arranged in the supporting arm (2), a clamping sleeve (22) is arranged on one side of the limiting rod (21), limiting bolts (23) are welded on the upper side and the lower side of the clamping sleeve (22), a push rod (24) is connected to the limiting bolts (23) in a threaded manner, the push rod (24) is positioned in the clamping sleeve (22) and is rotatably connected with a stop block (25) through a rotating shaft, a bearing is welded on the upper side of the clamping sleeve (22), and a protrusion (26) is integrally formed on the other side of the limiting rod (21) through casting.

3. The children's balance car with good shock absorption performance as claimed in claim 1, wherein a frame body (31) is arranged on the inclined strut (3), a sealing member (32) is arranged on the upper side of the frame body (31), the sealing member (32) is sleeved with a moving rod (33), a plurality of through holes are uniformly formed in the upper side of the moving rod (33), a fixing sleeve (34) is sleeved on the moving rod (33), a through hole is formed in the bottom side of the fixing sleeve (34), a positioning bolt (35) is inserted in the through hole of the fixing sleeve (34), nuts are respectively screwed on two sides of the positioning bolt (35), and a seat (36) is integrally formed at the upper end of the fixing sleeve (34) through casting.

4. The children's balance car with good shock absorption performance as claimed in claim 1, wherein the moving rod (33) is located in the main chamber (4) and fixedly connected with a fixed block (42), a first spring (43) is inserted into the bottom side of the fixed block (42), a limiting plate (41) is sleeved on the bottom side of the first spring (43), the frame body (31) is located on two sides of the main chamber (4) and provided with an auxiliary chamber (44), an expansion rod (45) is welded on the upper side of the auxiliary chamber (44), a second spring (46) is sleeved on the expansion rod (45), one end of the second spring (46) is fixedly connected to the upper side of the inner wall of the auxiliary chamber (44), a moving block (47) is sleeved on the other end of the second spring (46), and the bottom end of the moving block (47) is of a spherical structure.

5. The children's balance car with good shock absorption performance as claimed in claim 4, wherein a partition is arranged between the main chamber (4) and the sub-chamber (44), a hole is arranged on the partition between the main chamber (4) and the sub-chamber (44) and is positioned at the bottom side of the partition, and hydraulic oil is arranged in the main chamber (4).