Child bicycle convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of children's bicycles, and discloses a children's bicycle convenient to disassemble and assemble, which comprises a bicycle frame, a handlebar front frame is arranged on the right side of the bicycle frame, a front wheel is arranged on the inner side of the handlebar front frame, pedal components are arranged in the bicycle frame and extend to two sides, a rear wheel is arranged on the left side of the bicycle frame, and the rear wheel is arranged on the right side of the bicycle frame. A cushion is arranged at the top of the frame, a dismounting mechanism is arranged outside the left side of the frame, and a pushing hand mechanism is arranged outside the frame. According to the child bicycle convenient to disassemble and assemble, through the arranged disassembling mechanism, in the using process, through the arranged bolt structure, the auxiliary wheel can be conveniently and fixedly installed on the bicycle frame, a child can use the bicycle when learning riding, and along with the increase of the riding skill and the age of the child, the bicycle is more convenient to disassemble and assemble. And the auxiliary wheel can be quickly disassembled, so that the quick disassembly and assembly of the auxiliary wheel are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of children's bicycles, in particular to a children's bicycle which is convenient to disassemble and assemble. Background Art

[0002] A children's bicycle is suitable for children aged 4-8, with a maximum saddle height of 435mm-635mm, and is ridden by a drive mechanism acting on the rear wheel. Before children can acquire sufficient riding skills, they need two training wheels installed at the rear wheel to assist them in maintaining balance. However, as children gain sufficient riding experience and grow older, the training wheels become a burden.

[0003] According to the description of a detachable children's bicycle disclosed on the patent website (authorization announcement number: CN218751190 U), "The present utility model discloses a detachable children's bicycle, including a children's bicycle, a bolt and an adjustment mechanism. A fixing rod is fixedly installed on the upper rear of the children's bicycle, and an adjustment mechanism is installed above the fixing rod; the adjustment mechanism includes a handle, a sleeve is fixedly installed on the bottom of the handle, a circular hole is opened inside the sleeve, a threaded rod is inserted inside the circular hole, a rotating block is threadedly connected to the outside of the threaded rod and located below the sleeve, a limiting slider is fixedly installed on the top of the rotating block, a limiting slot is opened at the bottom of the sleeve, the limiting slot and the limiting slider are rotatably connected, an insertion rod is fixedly installed on the bottom of the threaded rod, and the end of the insertion rod away from the handle passes through the interior of the fixing rod. This detachable children's bicycle achieves the purpose of conveniently adjusting the length of the auxiliary handle according to people of different heights and convenient disassembly."

[0004] In view of the above description, the applicant believes that the following problems exist:

[0005] In this utility model, the training wheels of the children's bicycle are fixedly installed between the frame. During use, the training wheels cannot be simply disassembled, which makes it inconvenient for children to use the bicycle later. At the same time, during transportation, the training wheels are wider than the body structure, which makes transportation inconvenient. Therefore, it is necessary to improve a children's bicycle that is easy to disassemble and assemble to solve the above problems. Utility Model Content

[0006] The purpose of the present utility model is to provide a children's bicycle that is easy to disassemble and assemble, so as to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a children's bicycle that is easy to disassemble and assemble, comprising a frame, a handlebar front frame being provided on the right side of the frame, a front wheel being provided on the inner side of the handlebar front frame, pedal assemblies being provided on both sides of the interior of the frame, a rear wheel being provided on the left side of the frame, a seat being provided on the top of the frame, a disassembly mechanism being provided on the outer side of the left side of the frame, and a push handle mechanism being provided on the outer side of the frame.

[0008] The disassembly mechanism comprises a disassembly assembly and a support assembly. The disassembly assembly is arranged on both sides of the vehicle frame, and the support assembly is arranged outside the disassembly assembly.

[0009] The disassembly assembly includes a fixing seat, which is arranged on the front and back sides of the frame. A plug-in block is plugged into the bottom of the fixing seat, a stop block is fixedly installed on the bottom of the plug-in block, a connecting block is plugged into the interior of the fixing seat and the plug-in block, a fixing plate is fixedly installed on the outside of the connecting block, a threaded bolt is rotatably installed inside the fixing plate, and a knob is fixedly installed on the outside of the threaded bolt to facilitate the disassembly and installation of the auxiliary wheel.

[0010] Preferably, connection grooves are provided at corresponding positions of the plug-in block, the fixing seat and the connecting block, and the connecting block is plugged into the inside of the connection groove, so that the plug-in block can be fixedly mounted on the fixing seat through the connecting block.

[0011] Preferably, through holes are opened at corresponding positions of the fixing seat and the threaded bolt, threaded holes are opened at corresponding positions of the plug-in block and the threaded bolt, and the threaded bolt passes through the through holes and is threadedly installed in the threaded holes, so as to facilitate the fixing of the connecting block.

[0012] Preferably, the support assembly includes a support rod, which is fixedly mounted on the bottom of the block, and a fixing pin is fixedly mounted on one end of the support rod away from the block, and an auxiliary wheel is provided on the outside of the fixing pin to facilitate auxiliary support of the vehicle body through the auxiliary wheel.

[0013] Preferably, two groups of disassembly mechanisms are provided, and the two groups of disassembly mechanisms are symmetrically distributed on the front and rear sides of the frame to facilitate stable support of the vehicle body.

[0014] Preferably, the push handle mechanism includes a threaded sleeve, which is fixedly mounted on the outside of the frame, a threaded column is mounted on the internal thread of the threaded sleeve, a fixed rod is rotatably mounted on the outside of the threaded column, a sliding rod is slidably mounted on the inside of the fixed rod, a handle is fixedly mounted on the end of the sliding rod away from the fixed rod, a fixed spring is fixedly mounted on the inside of the sliding rod, and a locking pin is fixedly mounted on the outside of the fixed spring, which facilitates the installation and disassembly of the handle and adjusts the position of the handle at the same time.

[0015] Preferably, a limiting groove is provided on the outside of the sliding rod, a limiting block is provided on the inner wall of the fixed rod, and the limiting block is slidably installed inside the limiting groove, so that the sliding rod can slide within the fixed rod.

[0016] Preferably, through holes are opened at corresponding positions of the sliding rod and the locking pin, six adjustment holes are opened on the outside of the fixed rod, and the locking pin passes through the through holes and is movably installed in the adjustment holes, so that the sliding rod and the fixed rod can be fixed by the locking pin.

[0017] Compared with the prior art, the present invention provides a children's bicycle that is easy to disassemble and assemble, and has the following beneficial effects:

[0018] The children's bicycle, which is easy to disassemble and assemble, has a disassembly mechanism and a bolt structure so that the training wheels can be easily fixed on the bicycle frame during use, so that children can use the training wheels when they first start learning to ride. As the children's riding skills improve and they grow older, the training wheels can be quickly disassembled, thereby realizing rapid disassembly and installation of the training wheels.

[0019] The children's bicycle, which is easy to disassemble and assemble, has a push handle mechanism. During use, the bicycle body is pushed by the handle, so that parents can assist their children in riding. At the same time, the length of the handle can be adjusted according to the height of the parents through the sliding structure, and the push handle mechanism can be disassembled as a whole through the connection structure of the threaded column. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0021] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0022] Figure 2 This is a left-side structural diagram of the present utility model;

[0023] Figure 3 This is a schematic diagram of the exploded structure of the disassembly mechanism of the utility model;

[0024] Figure 4 This is a bottom view schematic diagram of the exploded structure of the disassembly mechanism of the utility model;

[0025] Figure 5 This is a schematic diagram of the exploded structure of the push handle mechanism of the utility model;

[0026] Figure 6 This is a schematic cross-sectional view of the fixing rod and the connected mechanism of the present invention.

[0027] In the figure: 1. Frame; 2. Handlebar front rack; 3. Front wheel; 4. Pedal assembly; 5. Rear wheel; 6. Seat; 7. Disassembly mechanism; 71. Disassembly assembly; 711. Fixed seat; 712. Plug-in block; 713. Stop block; 714. Connecting block; 715. Fixed plate; 716. Threaded bolt; 717. Knob; 72. Support assembly; 721. Support rod; 722. Fixed pin; 723. Auxiliary wheel; 8. Push handle mechanism; 81. Threaded sleeve; 82. Threaded column; 83. Fixed rod; 84. Sliding rod; 85. Handle; 86. Fixed spring; 87. Locking pin. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances. Example

[0030] See also Figure 1-4 The utility model provides a technical solution: a children's bicycle that is easy to disassemble and assemble, comprising a frame 1, a handlebar front frame 2 is provided on the right side of the frame 1, a front wheel 3 is provided on the inner side of the handlebar front frame 2, a pedal assembly 4 is provided on both sides of the interior of the frame 1, a rear wheel 5 is provided on the left side of the frame 1, a seat cushion 6 is provided on the top of the frame 1, a disassembly mechanism 7 is provided on the left side of the frame 1, and a push handle mechanism 8 is provided on the outside of the frame 1.

[0031] The disassembly mechanism 7 includes a disassembly assembly 71 and a support assembly 72 . The disassembly assembly 71 is arranged on both sides of the vehicle frame 1 , and the support assembly 72 is arranged outside the disassembly assembly 71 .

[0032] The disassembly component 71 includes a fixing seat 711, which is arranged on the front and back sides of the frame 1. A plug-in block 712 is inserted into the bottom of the fixing seat 711, and a stopper 713 is fixedly installed on the bottom of the plug-in block 712. A connecting block 714 is inserted into the interior of the fixing seat 711 and the plug-in block 712. A fixing plate 715 is fixedly installed on the outside of the connecting block 714. A threaded bolt 716 is rotatably installed inside the fixing plate 715, and a knob 717 is fixedly installed on the outside of the threaded bolt 716 to facilitate the disassembly and installation of the auxiliary wheel 723.

[0033] Furthermore, connection grooves are provided at corresponding positions of the plug-in block 712 , the fixing seat 711 and the connecting block 714 , and the connecting block 714 is plugged into the inside of the connection groove, so that the plug-in block 712 can be fixedly installed on the fixing seat 711 through the connecting block 714 .

[0034] Furthermore, through holes are opened at corresponding positions of the fixing seat 711 and the threaded bolt 716, threaded holes are opened at corresponding positions of the plug-in block 712 and the threaded bolt 716, and the threaded bolt 716 passes through the through holes and is threadedly installed in the threaded holes, so as to facilitate the fixing of the connecting block 714.

[0035] Furthermore, the support assembly 72 includes a support rod 721, which is fixedly installed at the bottom of the block 713. A fixing pin 722 is fixedly installed at one end of the support rod 721 away from the block 713, and an auxiliary wheel 723 is provided on the outside of the fixing pin 722 to facilitate auxiliary support of the vehicle body through the auxiliary wheel 723.

[0036] Furthermore, two groups of disassembly mechanisms 7 are provided, and the two groups of disassembly mechanisms 7 are symmetrically distributed on the front and rear sides of the vehicle frame 1 to facilitate stable support of the vehicle body. Example

[0037] See also Figure 5 and Figure 6 , and combined with Example 1, it is further obtained that the push handle mechanism 8 includes a threaded sleeve 81, the threaded sleeve 81 is fixedly installed on the outside of the frame 1, the internal thread of the threaded sleeve 81 is threadedly installed with a threaded column 82, the external rotation of the threaded column 82 is installed with a fixed rod 83, the internal sliding installation of the fixed rod 83 is a sliding rod 84, the end of the sliding rod 84 away from the fixed rod 83 is fixedly installed with a handle 85, the internal fixed installation of a fixing spring 86 of the sliding rod 84, the external fixed installation of the fixing spring 86 is fixedly installed with a locking pin 87, which is convenient for installing and removing the handle 85 and adjusting the position of the handle 85 at the same time.

[0038] Furthermore, a limiting groove is provided on the outside of the sliding rod 84, a limiting block is provided on the inner wall of the fixed rod 83, and the limiting block is slidably installed inside the limiting groove, so that the sliding rod 84 can slide within the fixed rod 83.

[0039] Furthermore, through holes are opened at the corresponding positions of the sliding rod 84 and the locking pin 87, six adjustment holes are opened on the outside of the fixed rod 83, and the locking pin 87 is movably installed in the adjustment hole through the through hole, so that the sliding rod 84 and the fixed rod 83 can be fixed by the locking pin 87.

[0040] In actual operation, when this device is used, when installing the auxiliary wheel 723, first insert the plug-in block 712 into the interior of the fixing seat 711, then insert the connecting block 714 and the threaded bolt 716 into the connecting groove and the through hole of the fixing seat 711 respectively, and then rotate the knob 717 to drive the threaded bolt 716 to rotate, so that the threaded bolt 716 is screwed into the threaded hole of the plug-in block 712, and at the same time, the fixing plate 715 drives the connecting block 714 to be inserted into the plug-in block 712, so that the plug-in block 712 and the fixing seat 711 are connected and fixed. When disassembling, it is only necessary to reversely rotate the knob 717 to screw out the threaded bolt 716;

[0041] By screwing the threaded column 82 into the threaded sleeve 81 of the frame 1, pressing the locking pin 87, the locking pin 87 is inserted into the sliding rod 84, and then pulling the sliding rod 84 to slide and adjust the sliding rod 84 on the fixed rod 83. After adjusting it to a suitable length, the locking pin 87 is inserted into the adjustment hole of the fixed rod 83 to fix it. When disassembling, it is only necessary to unscrew the threaded column 82 from the threaded sleeve 81.

[0042] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A children's bicycle that is easy to disassemble and assemble, comprising a frame (1), characterized in that: A handlebar front frame (2) is provided on the right side of the frame (1), a front wheel (3) is provided on the inner side of the handlebar front frame (2), pedal assemblies (4) are provided on both sides of the interior of the frame (1), a rear wheel (5) is provided on the left side of the frame (1), a seat cushion (6) is provided on the top of the frame (1), a disassembly mechanism (7) is provided on the outside of the left side of the frame (1), and a push handle mechanism (8) is provided on the outside of the frame (1); The disassembly mechanism (7) comprises a disassembly assembly (71) and a support assembly (72), wherein the disassembly assembly (71) is arranged on both sides of the vehicle frame (1), and the support assembly (72) is arranged outside the disassembly assembly (71); The disassembly assembly (71) comprises a fixing seat (711), the fixing seat (711) being arranged on the front side and the back side of the vehicle frame (1), a plug-in block (712) being plugged into the bottom of the fixing seat (711), a stopper (713) being fixedly mounted on the bottom of the plug-in block (712), a connecting block (714) being plugged into the interior of the fixing seat (711) and the plug-in block (712), a fixing plate (715) being fixedly mounted on the outside of the connecting block (714), a threaded bolt (716) being rotatably mounted on the inside of the fixing plate (715), and a knob (717) being fixedly mounted on the outside of the threaded bolt (716).

2. A children's bicycle that is easy to disassemble and assemble according to claim 1, characterized in that: Connecting grooves are provided at corresponding positions of the plug-in block (712), the fixing seat (711), and the connecting block (714), and the connecting block (714) is plugged into the interior of the connecting grooves.

3. The children's bicycle that is easy to disassemble and assemble according to claim 1, characterized in that: A through hole is provided at corresponding positions of the fixing seat (711) and the threaded bolt (716), a threaded hole is provided at corresponding positions of the plug-in block (712) and the threaded bolt (716), and the threaded bolt (716) passes through the through hole and is threadedly installed in the threaded hole.

4. The children's bicycle that is easy to disassemble and assemble according to claim 1, characterized in that: The support assembly (72) comprises a support rod (721), wherein the support rod (721) is fixedly mounted on the bottom of the stopper (713), a fixing pin (722) is fixedly mounted on one end of the support rod (721) away from the stopper (713), and an auxiliary wheel (723) is provided on the outside of the fixing pin (722).

5. The children's bicycle that is easy to disassemble and assemble according to claim 4, characterized in that: Two groups of the disassembly mechanisms (7) are provided, and the two groups of the disassembly mechanisms (7) are symmetrically distributed on the front and rear sides of the vehicle frame (1).

6. The children's bicycle that is easy to disassemble and assemble according to claim 1, characterized in that: The push handle mechanism (8) comprises a threaded sleeve (81), wherein the threaded sleeve (81) is fixedly mounted on the outside of the vehicle frame (1), a threaded column (82) is mounted on the inner thread of the threaded sleeve (81), a fixed rod (83) is rotatably mounted on the outer side of the threaded column (82), a sliding rod (84) is slidably mounted on the inner side of the fixed rod (83), a handle (85) is fixedly mounted on one end of the sliding rod (84) away from the fixed rod (83), a fixed spring (86) is fixedly mounted on the inner side of the sliding rod (84), and a locking pin (87) is fixedly mounted on the outer side of the fixed spring (86).

7. The children's bicycle that is easy to disassemble and assemble according to claim 6, characterized in that: A limiting groove is provided on the outside of the sliding rod (84), and a limiting block is provided on the inner wall of the fixing rod (83), and the limiting block is slidably installed inside the limiting groove.

8. The children's bicycle that is easy to disassemble and assemble according to claim 6, characterized in that: Through holes are provided at corresponding positions of the sliding rod (84) and the locking pin (87), six adjustment holes are provided on the outside of the fixing rod (83), and the locking pin (87) passes through the through holes and is movably installed in the adjustment holes.

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