La description

1.MBZ**0 Pneumatic Bus Door Pump for Coach/Tourist Bus
2.*2V or *4V
3.Driver Seat at right or left
4.Open frontward or backward

MBZ**0 Pneumatic Bus Door Pump for Coach/Tourist Bus Consists of:

1. Arm asm(including arms, door pillar asm, upr-bracket, tie rod, angular connective irons, door/frame wedges etc.)

2. Pneumatic door mechansim and relevant control units(e.g. emergency valve, solenoid valve, switch)

Technical Data & Specifications

MBZ**0 Pneumatic Bus Door Pump for Coach/Tourist BusConsists of  two parts- the lower part is a cylinder with cushioning; the upper part is a set of screwing mechanism.

The lower part:in the cylinder the up&down movement of piston realizes close&open operations of door, using the air pressure to drive the screw shaft to lift and drop through the piston movement.

The upper part has three components:

Support:it funcions as 1.the connector between the upper screw mechanism and lower cylinder;2.guiding to the screw shaft working with the spline;3.the bracket of the outer sleeve;4.the primary bearing of the total door weight(thus should be strong enough).

Screw shaft(drive shaft):the priciple part to convert up&down movement to rotating action.

Sleeve asm:rotates along the screw grooves on the screw shaft, driving the arms to swing together. 

Company Introduction:
Jiangsu Huimin Automobile Accessories Manufacturing Co; Ltd. is the national high-tech enterprise and also private technology enterprise in Jiangsu, the registered capital asset is *0 million Yuan, and it covers an area of **4,**0 square meters while its workshop occupies *1,**0 square meters. There are **6 staffs of which are *1 senior engineers. In ***2 our sale turnover is around **0 million Yuan.

Our company has passed ISO****9:***9 quality system. We obtains *5 patents in the double in-swing door mechanism, single in-swing door mechanism, new passenger vehicle door panel, door panel connection mechanism, the electromagnetic retarder and BRT Platform screen door.