Child balance car with detachable auxiliary wheels

Abstract

The utility model belongs to the technical field of balance cars, and particularly relates to a child balance car with a detachable auxiliary wheel, which comprises a frame, a rear wheel and the auxiliary wheel, one side of the auxiliary wheel is rotatably connected with an L-shaped rod, the surface of the L-shaped rod is provided with a first positioning hole and a first threaded hole, and the outer side of the frame is fixedly connected with a connecting rod. A positioning rod is fixedly connected to the end, away from the rear wheel, of the connecting rod, second positioning holes are formed in the positioning rod at equal intervals, a positioning bolt is movably connected to the interior of the first positioning hole, one end of the positioning bolt penetrates through the L-shaped rod through the first positioning hole, and the positioning rod is located in the L-shaped rod and movably connected with the L-shaped rod; one end of the positioning bolt penetrates through the positioning rod through the second positioning hole. According to the child balance car with the detachable auxiliary wheels, when the auxiliary wheels are replaced, operation can be completed only by rotating the fixing bolts and pulling the handles to drive the positioning bolts to be disconnected with the first positioning holes and the second positioning holes, and the mode is easy to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to balance car technical field especially relates to a child balance car of auxiliary wheel detachable. BACKGROUND

[0002] The child balance car is a new type of bicycle specially designed for children, which is mainly used to help children practice balance and riding skills during the starting process, so as to avoid children from falling down and getting hurt during the riding process.

[0003] At present, in order to ensure that children can better learn the balance skills when riding, and avoid them from falling down and getting hurt during the learning process, auxiliary wheels are generally installed on both sides of the rear wheel of the balance car to improve the safety of children riding, but at present, part of the balance car is generally welded with auxiliary wheels on both sides of the rear wheel, so that when the auxiliary wheels are worn or damaged, the whole rear wheel needs to be disassembled for replacement, which is complicated to operate and inconvenient to maintain, therefore, there is an urgent need for a child balance car with detachable auxiliary wheels to solve the above problems. SUMMARY

[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research thereon after a lot of creative labor, and thus completed the present utility model.

[0005] Specifically, the technical problem to be solved by the present utility model is to provide a child balance car with detachable auxiliary wheels, so as to solve the technical problem that the current welding method of auxiliary wheels is not convenient for maintenance or replacement of the auxiliary wheels.

[0006] To solve the above technical problems, the present utility model provides the following technical scheme:

[0007] A child balance car with detachable auxiliary wheels, comprising a frame, a rear wheel installed at one end of the frame, and auxiliary wheels located on both sides of the rear wheel, one side of the auxiliary wheel being rotatably connected with an L-shaped rod, a first positioning hole and a first threaded hole being formed on the surface of the L-shaped rod, the first threaded hole being located on one side of the first positioning hole, the outer side of the frame being fixedly connected with a connecting rod, the connecting rod being located on both sides of the rear wheel, one end of the connecting rod away from the rear wheel being fixedly connected with a positioning rod, a second positioning hole being formed in the interior of the positioning rod, the second positioning holes being arranged at equal intervals, a positioning bolt being movably connected in the interior of the first positioning hole, one end of the positioning bolt penetrating the L-shaped rod through the first positioning hole, the positioning rod being located in the interior of the L-shaped rod and movably connected therewith, and one end of the positioning bolt further penetrating the positioning rod through the second positioning hole.

[0008] As an improved technical scheme, the positioning bolt, the first positioning hole and the second positioning hole are all rectangular.

[0009] As an improved technical scheme, the top of the positioning peg is fixedly connected with a driving part, the top of the driving part is provided with a handle, the inside of the driving part is movably connected with a fixing bolt, the fixing bolt is located on one side of the positioning peg, one end of the fixing bolt penetrates through the driving part and extends into the inside of the L-shaped rod and is in threaded connection with the first threaded hole.

[0010] As an improved technical scheme, the inside of the L-shaped rod is fixedly connected with an inclined rod, and the L-shaped rod and the inclined rod form a triangular structure.

[0011] As an improved technical scheme, the two sides of the L-shaped rod are fixedly connected with reinforcing plates, the inside of the reinforcing plate is provided with a sliding groove, and the two sides of the connecting rod are provided with second threaded holes.

[0012] As an improved technical scheme, the inside of the reinforcing plate is provided with a positioning bolt, one end of the positioning bolt extends to the second threaded hole through the sliding groove and is in threaded connection with the second threaded hole.

[0013] After the above technical scheme is adopted, the beneficial effects of the utility model are as follows:

[0014] 1. When the auxiliary wheel is replaced, the fixing bolt is only rotated, the handle is pulled to drive the positioning peg to cancel the connection with the first positioning hole and the second positioning hole, and the operation is completed, and the operation is simple.

[0015] 2. The positions of the first positioning hole and the second positioning hole can be adjusted according to the age of the child, so that the stability of the balance car can be adjusted according to the age of the child, and the mechanical strength of the auxiliary wheel and the L-shaped rod can be increased through the arrangement of the reinforcing plate and the inclined rod, and the stability is further increased. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0017] Figure 1 It is the overall structure schematic view of the auxiliary wheel detachable children's balance car of the utility model.

[0018] Figure 2 It is the rear wheel and auxiliary wheel related structure schematic view of the auxiliary wheel detachable children's balance car of the utility model.

[0019] Figure 3 It is the rear wheel and auxiliary wheel related structure schematic view of the auxiliary wheel detachable children's balance car of the utility model. Figure 1A part enlarged structural schematic view of the auxiliary wheel.

[0020] Figure 4 The auxiliary wheel and the L-shaped rod related structure schematic view of the auxiliary wheel detachable children balance car.

[0021] Figure 5 The L-shaped rod and the connecting rod related structure schematic view of the auxiliary wheel detachable children balance car.

[0022] Mark explanation:

[0023] 1, frame; 101, rear wheel; 2, auxiliary wheel; 201, L-shaped rod; 202, inclined rod; 2011, first positioning hole; 2012, first threaded hole; 3, connecting rod; 301, second threaded hole; 4, positioning rod; 401, second positioning hole; 5, positioning bolt; 6, driving part; 601, handle; 7, fixing bolt; 8, reinforcing plate; 801, sliding groove; 9, positioning bolt. Specific implementation

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0026] Meanwhile, "and / or" or "and / or" appearing throughout the text means that it includes three schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes.

[0027] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0028] As Figures 1 to 5 As shown in the drawings, the embodiment provides a child balance car with detachable auxiliary wheels, which comprises a frame 1, a rear wheel 101 mounted on one end of the frame 1, and auxiliary wheels 2 located on both sides of the rear wheel 101, one side of the auxiliary wheel 2 is rotatably connected with an L-shaped rod 201, the surface of the L-shaped rod 201 is provided with a first positioning hole 2011 and a first threaded hole 2012, and the first threaded hole 2012 is located on one side of the first positioning hole 2011.

[0029] The outer side of the frame 1 is fixedly connected with a connecting rod 3, the connecting rod 3 is located on both sides of the rear wheel 101, one end of the connecting rod 3 away from the rear wheel 101 is fixedly connected with a positioning rod 4, the inside of the positioning rod 4 is provided with a second positioning hole 401, the second positioning hole 401 is arranged equidistantly, the inside of the first positioning hole 2011 is movably connected with a positioning bolt 5, one end of the positioning bolt 5 penetrates the L-shaped rod 201 through the first positioning hole 2011, the positioning rod 4 is located inside the L-shaped rod 201 and movably connected therewith, and one end of the positioning bolt 5 also penetrates the positioning rod 4 through the second positioning hole 401, when the positioning rod 4 is located inside the L-shaped rod 201, the first positioning hole 2011 coincides with a group of second positioning holes 401, at this time, the positioning bolt 5 is inserted into the inside of the L-shaped rod 201 through the first positioning hole 2011, and penetrates the positioning rod 4 through the second positioning hole 401, so that one end of the positioning bolt 5 extends to the outside of the L-shaped rod 201, so as to adjust the distance between the L-shaped rod 201 and the auxiliary wheel 2, and then the distance of the auxiliary wheel 2 can be adjusted according to the age of the child, so as to adjust the stability of the balance car, and at the same time, this mode can also quickly replace and detach the auxiliary wheel 2, thereby avoiding the problem that the operation is relatively complicated when replacing the auxiliary wheel 2.

[0030] The positioning bolt 5, the first positioning hole 2011 and the second positioning hole 401 are all rectangular, which can make the connection of the three more close, thereby increasing the stability of the L-shaped rod 201 and the positioning rod 4.

[0031] The top of the positioning bolt 5 is fixedly connected with a driving part 6, the top of the driving part 6 has a handle 601, the inside of the driving part 6 is movably connected with a fixed bolt 7, the fixed bolt 7 is located on one side of the positioning bolt 5, one end of the fixed bolt 7 penetrates the driving part 6 and is screwedly connected with the first threaded hole 2012 in the inside of the L-shaped rod 201, thereby fixing the positioning bolt 5 to strengthen the stability of the positioning bolt 5, avoiding that the positioning bolt 5 is separated from the first positioning hole 2011 and the second positioning hole 401 due to external factors such as bumping, and the handle 601 can conveniently drive the positioning bolt 5.

[0032] The inside of the L-shaped rod 201 is fixedly connected with a diagonal rod 202, the L-shaped rod 201 and the diagonal rod 202 form a triangular structure, which can strengthen the stability of the L-shaped rod 201 and thereby increase the mechanical strength thereof.

[0033] The two sides of the L-shaped rod 201 are fixedly connected with the reinforcing plates 8, the reinforcing plates 8 are internally provided with sliding grooves 801, the two sides of the connecting rod 3 are provided with second threaded holes 301, and the reinforcing plates 8 are fixedly connected with the L-shaped rod 201 through the positioning bolts 5, and the positioning bolts 5 are hexagonal structures, and specific reference can be made to Figure 3 It is a detachable type, and the replacement operation can be facilitated.

[0034] The reinforcing plates 8 are internally provided with the positioning bolts 9, one end of the positioning bolts 9 extends to the second threaded holes 301 through the sliding grooves 801 and is threadedly connected with the second threaded holes 301, the positioning bolts 9 are arranged to facilitate the connection with the reinforcing plates 8, and the mechanical strength between the L-shaped rod 201 and the positioning rod 4 can be increased.

[0035] In use, the fixed bolts 7 can be rotated to cancel the connection between one end of the fixed bolts 7 and the first threaded holes 2012, the handle 601 is pulled to drive the driving parts 6 and the positioning bolts 5 to slowly rise and cancel the connection between the first positioning holes 2011 and the second positioning holes 401, that is, the connection between the L-shaped rod 201 and the positioning rod 4 is cancelled, so that the L-shaped rod 201 and the auxiliary wheels 2 can be disassembled to facilitate the replacement and maintenance of the auxiliary wheels 2;

[0036] Meanwhile, the positions of the first positioning holes 2011 and the second positioning holes 401 can be adjusted according to the age of the children to facilitate the adjustment of the stability of the balance car according to the age of the children, and the specific mode can be that the L-shaped rod 201 is driven to make the first positioning holes 2011 in the L-shaped rod 201 coincide with an adjacent group of second positioning holes 401, the positioning bolts 5 are inserted into the first positioning holes 2011 and the second positioning holes 401, one end of the fixed bolts 7 penetrates the driving parts 6 and extends to the inside of the first threaded holes 2012, and then the fixed bolts 7 are rotated to be threadedly connected with the first threaded holes 2012, so that the overall installation operation can be completed;

[0037] When the L-shaped rod 201 is installed, the reinforcing plates 8 will also move to the two sides of the connecting rod 3 along with the movement of the L-shaped rod 201, and in this process, the positioning bolts 9 can be used to extend one end of the positioning bolts 9 to the inside of the second threaded holes 301 through the sliding grooves 801, and the positioning bolts 9 are rotated to be threadedly connected with the second threaded holes 301, so that the limiting of the reinforcing plates 8 can be completed, and the stability between the L-shaped rod 201, the connecting rod 3 and the positioning rod 4 can be increased.

[0038] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A detachable auxiliary wheel balance car for children, comprising a frame (1), a rear wheel (101) mounted at one end of the frame (1), and an auxiliary wheel (2) located on both sides of the rear wheel (101), characterized in that: One side of the auxiliary wheel (2) is rotatably connected with an L-shaped rod (201), a first positioning hole (2011) and a first threaded hole (2012) are formed in the surface of the L-shaped rod (201), and the first threaded hole (2012) is located on one side of the first positioning hole (2011). The outer side of the frame (1) is fixedly connected with a connecting rod (3), the connecting rod (3) is located on both sides of the rear wheel (101), one end of the connecting rod (3) away from the rear wheel (101) is fixedly connected with a positioning rod (4), a second positioning hole (401) is formed in the positioning rod (4), the second positioning holes (401) are arranged at equal intervals, a positioning bolt (5) is movably connected in the first positioning hole (2011), one end of the positioning bolt (5) penetrates the L-shaped rod (201) through the first positioning hole (2011), the positioning rod (4) is located in the L-shaped rod (201) and movably connected therewith, and one end of the positioning bolt (5) also penetrates the positioning rod (4) through the second positioning hole (401).

2. The balance bike of claim 1, wherein: The positioning bolt (5), the first positioning hole (2011) and the second positioning hole (401) are all rectangular.

3. The balance bike of claim 2, wherein: A driving portion (6) is fixedly connected to the top of the positioning bolt (5), the driving portion (6) has a handle (601) at the top, a fixing bolt (7) is movably connected in the driving portion (6), the fixing bolt (7) is located on one side of the positioning bolt (5), one end of the fixing bolt (7) penetrates the driving portion (6) and extends into the L-shaped rod (201) and is screw-connected with the first threaded hole (2012).

4. The balance bike of claim 3, wherein: The inner side of the L-shaped rod (201) is fixedly connected with an inclined rod (202), and the L-shaped rod (201) and the inclined rod (202) form a triangular structure.

5. The balance bike of claim 4, wherein: Both sides of the L-shaped rod (201) are fixedly connected with a reinforcing plate (8), and a sliding groove (801) is formed in the reinforcing plate (8).

6. The balance bike of claim 5, wherein: The reinforcing plate (8) is provided with a positioning bolt (9), one end of the positioning bolt (9) extends to the second threaded hole (301) through the sliding groove (801) and is screw-connected therewith.

Images