Handlebar quick-release structure of child tricycle

Abstract

The utility model provides a children's tricycle's handlebar quick release structure, including support steel frame and connecting handle, support steel frame one side is fixedly equipped with fixed circular ring, the fixed circular ring is rotatingly equipped with lower connecting block, the top end of lower connecting block is fixedly equipped with lower mounting block, and the lower mounting block is equipped with the lower connecting block. An upper connecting block is fixedly mounted at the bottom end of the connecting handle, an upper mounting block is fixedly mounted at the bottom end of the upper connecting block, a shifting ring is rotatably mounted at the bottom end of the upper mounting block, a plurality of inserting rods are rotatably mounted at the bottom end of the shifting ring, and limiting blocks are slidably mounted in the inserting rods; a limiting clamping groove matched with the limiting block is formed in the lower connecting block, through cooperation of a plurality of structures, parents or guardians can easily assemble or disassemble the tricycle, professional tools or excessive strength are not needed, use convenience is improved, and maintenance or replacement is more convenient when the handlebar is damaged.

Description

Technical Field

[0001] The utility model relates to a handlebar quick-disassembly structure of a children's tricycle and belongs to the technical field of children's tricycles. Background Art

[0002] A children's tricycle is a riding toy designed for children. It usually has four wheels, the front two wheels provide support and direction control, and the rear wheel is for children to step on and move forward. This design is more stable when parking and moving, not prone to rollover and fall, and the operation is relatively simple and safe. Safety is the primary consideration when choosing a children's tricycle. Whether the structure is stable, whether the screws and other connectors are smooth, and whether the material is non-toxic and harmless are important bases for judging its safety. Some tricycles are also equipped with a joystick to facilitate parents to control the direction and improve safety. The comfort of the seat is also one of the factors to be considered when purchasing. A soft seat with a good touch can give the baby a more comfortable riding experience. There are many types of children's tricycles on the market, and the quality varies. Therefore, when choosing, you should carefully compare the advantages and disadvantages of different products, and refer to the feedback from other parents. Children's tricycles can help babies gradually learn riding skills and lay the foundation for future cycling. Children's tricycles can not only provide children with a safe riding environment, but also help children learn riding skills, and also bring convenience to parents.

[0003] Traditional children's tricycles usually have fixed handlebars, which limits the convenience of the vehicle. When the handlebars are damaged, it is not convenient to replace them, and it is not easy for parents to quickly disassemble them according to the situation. In addition, the fixed design may make maintenance complicated and costly. Therefore, a handlebar quick-disassembly structure for a children's tricycle is proposed. Utility Model Content

[0004] In view of this, the utility model provides a handlebar quick-release structure for a children's tricycle to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0005] The technical scheme of the utility model is realized as follows: a handlebar quick-release structure of a children's tricycle comprises a supporting steel frame and a connecting handle, wherein a fixing ring is fixedly installed on one side of the supporting steel frame, a lower connecting block is rotatably installed in the fixing ring, a lower mounting block is fixedly installed on the top of the lower connecting block, an upper connecting block is fixedly installed on the bottom end of the connecting handle, an upper mounting block is fixedly installed on the bottom end of the upper connecting block, a toggle ring is rotatably installed on the bottom end of the upper mounting block, a plurality of plug-in rods are rotatably installed on the bottom end of the toggle ring, a limiting block is slidably installed in the plug-in rod, and a limiting slot matching the limiting block is opened on the lower connecting block, a fixing spring is fixedly installed on one side of the limiting block, a connecting round rod is fixedly installed on the top end of the limiting block, the fixing spring is fixedly connected to the plug-in rod, and a threaded block is fixedly installed on the bottom end of the upper mounting block, and the threaded block is threadedly connected to the lower mounting block.

[0006] Further preferably, an arc-shaped hole is provided on the toggle ring, the connecting round rod is slidably installed in the arc-shaped hole, a limiting square groove is provided on the plug-in rod, the limiting block is slidably installed in the limiting square groove, the fixing spring is fixedly installed in the limiting square groove, and a movable groove matching the connecting round rod is provided on the plug-in rod.

[0007] Further preferably, a first T-ring is fixedly installed on the top of the toggle ring, a T-shaped ring groove matching the first T-ring is opened at the bottom of the upper mounting block, the same second T-ring is fixedly installed on the top of multiple plug-in rods, and a rotating T-slot matching the second T-ring is opened at the bottom of the toggle ring.

[0008] Further preferably, the lower mounting block and the lower connecting block are provided with plug-in circular grooves matching the plug-in rod, a fixed block is fixedly installed on one side of the supporting steel frame, an electric push rod is fixedly installed on the top of the fixed block, and a mounting seat is fixedly installed on the output end of the electric push rod.

[0009] Further preferably, a fixed box is fixedly installed on one side of the fixed block, a rotating cover is rotatably installed on the top of the fixed box, two rotating blocks are fixedly installed on one side of the rotating cover, a rotating block is fixedly installed on the top of the fixed box, and the two rotating blocks are rotatably installed on both sides of the rotating block.

[0010] Further preferably, the rotating block and the two toggle rings are provided with rotating circular holes, and a rotating round rod is rotatably installed in the rotating circular hole.

[0011] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0012] 1. The utility model toggles the toggle ring to allow the toggle ring to drive the connecting round rod slidably installed in the toggle ring to move, and allows the connecting round rod to slide in the arc hole provided on the toggle ring, driving the limiting block fixedly installed at the bottom end of the connecting round rod to move, allowing the limiting block to squeeze the fixed spring, so that the limiting block is pushed out from the limiting card slot provided on the lower connecting block, and the limiting block is recovered into the limiting square groove provided on the plug-in rod, releasing the restriction on the lower connecting block, and then by rotating the upper mounting block, the upper mounting block drives the threaded block to disengage from the lower mounting block, so as to perform disassembly.

[0013] 2. The utility model inserts the plug-in rod into the plug-in circular grooves provided on the lower mounting block and the lower connecting block, and then rotates the upper mounting block to allow the upper mounting block to drive the threaded block to move in the lower mounting block, thereby driving the plug-in rod to be pressed downward. After reaching the specified position, the limiting block pops out through the cooperation with the fixing spring, allowing the limiting block to be inserted into the limiting slot provided on the lower connecting block for installation. Subsequently, the installed seat can be adjusted by an electric push rod fixedly installed on the fixing block.

[0014] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the front structure of the main body of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the partial structure disassembly of the utility model;

[0019] Figure 4 It is a schematic diagram of the partial structure disassembly of the utility model.

[0020] Figure numerals: 1. Support steel frame; 2. Fixed block; 3. Mounting seat; 4. Fixed box; 5. Rotating cover; 6. Lower connecting block; 7. Fixed ring; 8. Upper connecting block; 9. Connecting handle; 10. Electric push rod; 11. Upper mounting block; 12. Toggle ring; 13. First T-ring; 14. Plug-in rod; 15. Second T-ring; 16. Connecting round rod; 17. Limiting block; 18. Fixed spring; 19. Threaded block; 20. Lower mounting block; 21. Rotating block; 22. Rotating block; 23. Rotating round rod. DETAILED DESCRIPTION

[0021] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0022] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0023] Example 1

[0024] like Figure 1-4 As shown, the embodiment of the utility model provides a handlebar quick-release structure of a children's tricycle, including a supporting steel frame 1 and a connecting handle 9, a fixing ring 7 is fixedly installed on one side of the supporting steel frame 1, a lower connecting block 6 is rotatably installed in the fixing ring 7, a lower mounting block 20 is fixedly installed on the top of the lower connecting block 6, an upper connecting block 8 is fixedly installed on the bottom end of the connecting handle 9, an upper mounting block 11 is fixedly installed on the bottom end of the upper connecting block 8, a toggle ring 12 is rotatably installed on the bottom end of the upper mounting block 11, a plurality of plug-in rods 14 are rotatably installed on the bottom end of the toggle ring 12, a limiting block 17 is slidably installed in the plug-in rod 14, a limiting card groove matching the limiting block 17 is opened on the lower connecting block 6, a fixing spring 18 is fixedly installed on one side of the limiting block 17, a connecting round rod 16 is fixedly installed on the top of the limiting block 17, the fixing spring 18 is fixedly connected to the plug-in rod 14, a threaded block 19 is fixedly installed on the bottom end of the upper mounting block 11, and the threaded block 19 is threadedly connected to the lower mounting block 20.

[0025] The coordination of multiple structures enables parents or guardians to easily assemble or disassemble the tricycle without the need for professional tools or excessive effort, thereby improving ease of use and making it more convenient to repair or replace the handlebars when they are damaged.

[0026] Example 2

[0027] In one embodiment, an arc-shaped hole is provided on the toggle ring 12, and the connecting round rod 16 is slidably installed in the arc-shaped hole. A limiting square groove is provided on the plug-in rod 14, and a limiting block 17 is slidably installed in the limiting square groove. The fixing spring 18 is fixedly installed in the limiting square groove, and a moving groove matching the connecting round rod 16 is provided on the plug-in rod 14; a first T-ring 13 is fixedly installed on the top of the toggle ring 12, and a T-shaped ring groove matching the first T-ring 13 is provided at the bottom of the upper mounting block 11, and the same second T-ring 15 is fixedly installed on the top of multiple plug-in rods 14, and a rotating T-groove matching the second T-ring 15 is provided at the bottom of the toggle ring 12; the fixing block 2- A fixed box 4 is fixedly installed on the side, a rotating cover 5 is rotatably installed on the top of the fixed box 4, two rotating blocks 21 are fixedly installed on one side of the rotating cover 5, a rotating block 22 is fixedly installed on the top of the fixed box 4, and the two rotating blocks 21 are rotatably installed on both sides of the rotating block 22; the lower mounting block 20 and the lower connecting block 6 are provided with plug-in circular grooves matching the plug-in rod 14, a fixed block 2 is fixedly installed on one side of the supporting steel frame 1, an electric push rod 10 is fixedly installed on the top of the fixed block 2, and a mounting seat 3 is fixedly installed on the output end of the electric push rod 10; rotating circular holes are provided on the rotating block 22 and the two toggle rings 12, and a rotating circular rod 23 is rotatably installed in the rotating circular holes.

[0028] The handlebars and the seat can be adjusted through the cooperation of multiple structures to meet the needs of children at different growth stages from toddlers to young children, and the bicycle has strong adaptability.

[0029] When the utility model is working, by toggling the toggle ring 12, the toggle ring 12 drives the connecting rod 16 slidably installed in the toggle ring 12 to move, the connecting rod 16 slides in the arc hole provided on the toggle ring 12, drives the limiting block 17 fixedly installed at the bottom end of the connecting rod 16 to move, the limiting block 17 squeezes the fixing spring 18, the limiting block 17 is pushed out from the limiting slot provided on the lower connecting block 6, the limiting block 17 is recovered into the limiting square slot provided on the plug-in rod 14, the restriction on the lower connecting block 6 is released, and then the upper mounting block 11 is rotated, so that the upper mounting block 11 drives the threaded block 19 is disengaged from the lower mounting block 20 for disassembly. During installation, the plug-in rod 14 is inserted into the plug-in circular groove opened on the lower mounting block 20 and the lower connecting block 6, and then the upper mounting block 11 is rotated to allow the upper mounting block 11 to drive the threaded block 19 to move in the lower mounting block 20, thereby driving the plug-in rod 14 to be pressed down. After reaching the specified position, the limiting block 17 is ejected by cooperating with the fixing spring 18, allowing the limiting block 17 to be inserted into the limiting card groove opened on the lower connecting block 6 for installation. Subsequently, the seat 3 can be adjusted by the electric push rod 10 fixedly installed on the fixing block 2.

[0030] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A handlebar quick-release structure for a children's tricycle, characterized in that: The invention comprises a supporting steel frame (1) and a connecting handle (9), wherein a fixing ring (7) is fixedly installed on one side of the supporting steel frame (1), a lower connecting block (6) is rotatably installed in the fixing ring (7), a lower mounting block (20) is fixedly installed on the top of the lower connecting block (6), an upper connecting block (8) is fixedly installed on the bottom end of the connecting handle (9), an upper mounting block (11) is fixedly installed on the bottom end of the upper connecting block (8), a toggle ring (12) is rotatably installed on the bottom end of the toggle ring (12), and a plurality of A plug-in rod (14), a limiting block (17) is slidably installed in the plug-in rod (14), a limiting slot matching the limiting block (17) is provided on the lower connecting block (6), a fixing spring (18) is fixedly installed on one side of the limiting block (17), a connecting round rod (16) is fixedly installed on the top of the limiting block (17), the fixing spring (18) is fixedly connected to the plug-in rod (14), and a threaded block (19) is fixedly installed on the bottom end of the upper mounting block (11), and the threaded block (19) is threadedly connected to the lower mounting block (20).

2. The handlebar quick-release structure of a children's tricycle according to claim 1, characterized in that: The toggle ring (12) is provided with an arc-shaped hole, the connecting round rod (16) is slidably installed in the arc-shaped hole, the plug-in rod (14) is provided with a limiting square groove, the limiting block (17) is slidably installed in the limiting square groove, the fixing spring (18) is fixedly installed in the limiting square groove, and the plug-in rod (14) is provided with a moving groove matching the connecting round rod (16).

3. The handlebar quick-release structure of a children's tricycle according to claim 1, characterized in that: A first T-ring (13) is fixedly mounted on the top of the toggle ring (12), a T-shaped ring groove matching the first T-ring (13) is provided at the bottom of the upper mounting block (11), a second T-ring (15) is fixedly mounted on the tops of a plurality of the plug-in rods (14), and a rotating T-slot matching the second T-ring (15) is provided at the bottom of the toggle ring (12).

4. The handlebar quick-release structure of a children's tricycle according to claim 1, characterized in that: The lower mounting block (20) and the lower connecting block (6) are provided with plug-in circular grooves matching the plug-in rod (14); a fixed block (2) is fixedly mounted on one side of the supporting steel frame (1); an electric push rod (10) is fixedly mounted on the top of the fixed block (2); and a mounting seat (3) is fixedly mounted on the output end of the electric push rod (10).

5. The handlebar quick-release structure of a children's tricycle according to claim 4, characterized in that: A fixed box (4) is fixedly mounted on one side of the fixed block (2); a rotating cover (5) is rotatably mounted on the top of the fixed box (4); two rotating blocks (21) are fixedly mounted on one side of the rotating cover (5); a rotating block (22) is fixedly mounted on the top of the fixed box (4); and the two rotating blocks (21) are rotatably mounted on both sides of the rotating block (22).

6. The handlebar quick-release structure of a children's tricycle according to claim 5, characterized in that: The rotating block (22) and the two toggle rings (12) are both provided with rotating circular holes, and a rotating round rod (23) is rotatably installed in the rotating circular holes.

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