The invention relates to a backward-pushing and forward-pulling schoolbag pull rod trolley which comprises a pull rod, a bottom plate assembly and a pulley block, the bottom plate assembly comprises a bearing bottom plate, a push-pull direction adjusting mechanism is arranged between the bearing bottom plate and the pull rod, and the backward-pushing and forward-pulling schoolbag pull rod trolley is characterized in that the push-pull direction adjusting mechanism comprises an angle adjusting semicircular piece and a steering adjusting rod; the angle-adjusting semicircular piece comprises an angle-adjusting plate, a limiting semi-ring body, a mounting gap and an angle-adjusting triangular block, and the lower end of the steering adjusting rod is provided with a first abutting inclined surface which can be connected with the inclined surface of the angle-adjusting triangular block in an abutting manner; the two sides of the steering adjusting rod are provided with a forward pulling driving block and an anti-reversion limiting block respectively. The schoolbag pull rod trolley has the beneficial effects that the angle adjusting range of the pull rod can be expanded to 0-180 degrees, so that the use state of the schoolbag pull rod trolley is diversified, the overall interestingness of the schoolbag pull rod trolley is improved, the requirements of students are met, and the pull rod is adjusted to the needed state according to the needs of the students.
本发明涉及一种逆推与顺拉兼具的书包拉杆车,包括拉杆、底板组件、滑轮组,所述底板组件包括承重底板,所述承重底板与拉杆之间设有推拉方向调节机构,其特征在于:所述推拉方向调节机构包括调角半圆件、转向调节杆;所述调角半圆件包括调角板、限位半环体、安装间隙、调角三角块,所述转向调节杆下端设有与调角三角块斜面可抵触连接的第一抵接斜面;所述转向调节杆两侧分别设有前拉驱动块、防逆转限位块。本发明的有益效果为:一种逆推与顺拉兼具的书包拉杆车,拉杆的角度调节范围可扩大至0°至180°,促使书包拉杆车的使用状态多样化,增加书包拉杆车整体的趣味性,满足学生需求,根据自身需要将拉杆调节至需要的状态。
Backward-pushing and forward-pulling schoolbag trolley
一种逆推与顺拉兼具的书包拉杆车
2022-03-11
Patent
Elektronische Ressource
Chinesisch
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |
Forward-pulling and backward-pushing shipping device for warship
Europäisches Patentamt | 2020
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