The invention discloses a table board double-four-bar mechanism which comprises a small table board and a pair of support assemblies, and notches parallel to each other are formed in the small table board; the pair of bracket assemblies is fixed on the backrest assembly; one end of the first connecting rod and one end of the third connecting rod are hinged to the support assembly, and the other end of the first connecting rod and the other end of the third connecting rod are hinged to the small table plate; one end of the second connecting rod is fixedly connected with the other end of the first connecting rod; each small table board cover cap is arranged in the corresponding notch in a sliding mode, and when the small table boards are in the using state, the small table board cover caps cover the notches; one end of each small table board cover is hinged to the other end of the second connecting rod, and the other end of each small table board cover is arranged in the corresponding small table board in a sliding mode. The invention further discloses a small table board comprising the table board double-four-bar mechanism. The space of the four-connecting-rod movement process is reserved, and the function of covering the exposed notch is achieved.
本发明公开的一种桌板双四连杆机构,包括小桌板和一对支架总成,在小桌板上设置有相互平行的槽口;其还包括:固定在靠背总成上的一对支架总成;一对第一、第二、第三连杆和一对小桌板罩盖,第一连杆和第三连杆的一端均铰设在支架总成上,第一连杆和第三连杆的另一端均铰设在小桌板上;第二连杆的一端与第一连杆的另一端固定连接;每一小桌板罩盖滑动配置在槽口内,在小桌板处于使用状态下,小桌板罩盖将槽口遮盖住;每一小桌板罩盖的一端与第二连杆的另一端铰设在一起,小桌板罩盖的另一端滑动配置在小桌板中。本发明还公开了包含上述桌板双四连杆机构的小桌板。本发明保留了四连杆运动过程的空间,又实现遮盖槽口外露的功能。
Table plate double-four-bar mechanism and small table plate
一种桌板双四连杆机构及小桌板
2023-07-21
Patent
Elektronische Ressource
Chinesisch
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |