Hydraulic brake master pump
A technology of hydraulic brake and brake fluid, applied in the direction of hydraulic brake transmission device, etc., can solve the problems of high production and assembly precision requirements, complicated installation, difficult product processing, etc., and achieves rapid and effective hydraulic transmission, simple overall structure, and convenience. The effect of forming
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[0019] The present invention will be further described in detail below in conjunction with the embodiments of the drawings.
[0020] Such as figure 1 with figure 2 As shown, the hydraulic brake master cylinder in this embodiment includes a pump body 1, an oil cup 2 provided on the pump body 1, a plunger that can move back and forth in the plunger cavity of the pump body 1, a front sealing ring 62, The rear sealing ring 61 and the return spring 7 capable of resetting the plunger. One end of the return spring 7 abuts against the plunger, and the other end is arranged on the spring seat 8. The plunger includes a large plunger 41 and is arranged on the large plunger 41 The small plunger 42, the large plunger 41 and the small plunger 42 at the front end are integrally formed of metal materials. The pump body 1 is formed with a raised surrounding wall 15, the port cover of the surrounding wall 15 is provided with a cup cover 21, and the surrounding wall 15 and the cup cover 21 form an...
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