The instrument comprises an inner shell, a dial plate and a bourdon tube assembly used for measuring pressure and driving a pointer to rotate are arranged in a cavity of the inner shell, a glass sheet with a gasket is arranged at the top end of the inner shell, and a fixing bolt and a lighting brass tube are inserted into the bottom face of the cavity of the inner shell from top to bottom; the outer shell sleeves the inner shell from bottom to top to form an instrument shell, a clearance space for accommodating brazing filler metal exists between the outer shell and the inner shell, and the top end of the outer shell is sleeved with a sealing cover from top to bottom; wherein positioning columns are arranged at the opposite positions of the bourdon tube assembly, the fixing bolt and the illumination brass tube, and positioning holes matched with the positioning columns are formed in the inner shell. According to the instrument assembling device, the difficulty of instrument assembling operation can be reduced, the manufacturing difficulty of instrument assembling equipment is reduced while the instrument assembling efficiency is improved, and the instrument assembling quality is guaranteed.

    本发明公开了一种仪表及其生产工艺,其中仪表包括:内壳,其的空腔内设有表盘以及用于测量压力并驱动指针进行转动的波登管组件,内壳的顶端设有带有垫圈的玻璃片,内壳空腔的底面上自上而下插设有固定螺栓和照明黄铜管;外壳,其自下而上套设于内壳上形成仪表壳且两者之间存在用于容纳钎料的间隙空间,外壳的顶端自上而下套设有封盖;其中,所述波登管组件、固定螺栓以及照明黄铜管上相对的位置均设有定位柱,内壳上开设有与定位柱相适配的定位孔。本发明能够降低仪表装配操作的难度,在提高仪表装配效率的同时也降低了仪表装配设备的制造难度,并保障了仪表的装配质量。


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    Title :

    Instrument and production process thereof


    Additional title:

    一种仪表及其生产工艺


    Contributors:
    HU LIZHI (author) / ZHANG WENHUA (author)

    Publication date :

    2024-06-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B62D MOTOR VEHICLES , Motorfahrzeuge



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