A kind of automobile exhaust type pneumatic booster
A technology of automobile exhaust and booster, which is applied to clutches, mechanical equipment, etc., can solve problems such as poor performance, poor pressure, and single driving mode, and achieve the effects of improved reliability, low cost, and simple structure
Inactive Publication Date: 2017-11-24
LUOTIAN YUNFENG PROTECTION PRODS
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Problems solved by technology
When working, the control valve closes the communication channel with the atmosphere and controls the valve to inflate the variable pressure chamber according to the size of the input oil pressure. The two chambers generate a pressure difference, so that the booster piston realizes the output force in the direction of the atmosphere chamber. Pneumatic power assist In the end, the actuator is driven only by hydraulic pressure, the driving method is single, and the performance is poor
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Embodiment Construction
[0016] Below in conjunction with accompanying drawing, the present invention is further described:
[0017] Such as Figure 1 to Figure 4 As shown, a kind of exhaust type pneumatic booster for automobiles comprises a front housing 17 and a rear housing 5, the rear housing 5 is installed on the front housing 17 to form a cylinder block, and the junction of the front housing 17 and the rear housing 5 Sealed by the housing sealing ring 10, the front housing 17 and the rear housing 5 are provided with a booster piston 14, and the front end of the booster piston 14 is provided with a rubber balance plate 15 and an output rod 16, and the booster piston 14 is connected with the control valve piston. 13 connection, the control valve piston 13 is connected to the front end of the push rod 3, the rear end of the push rod 3 is connected to the input rod 1, the push rod 3 is placed in the valve body sleeve 2, the valve body sleeve 2 is installed in the rear shell 5, the valve body A cont...
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The invention discloses an automobile exhaust type air booster. A rear shell sealing ring, a valve base sealing ring, a piston sealing ring and a front shell sealing ring divide a cylinder body formed by a rear shell and a front shell into a constant-pressure cavity and a variable-pressure cavity; an air inlet communicating with an air source is formed in the rear shell; an air exhaust port is formed by an interval between an input rod and a valve sleeve; a channel A is arranged in the position, corresponding to the constant-pressure cavity, of a boosting piston; a channel B is arranged in the position, corresponding to the variable-pressure cavity, of the boosting piston; a channel C is arranged between a control valve leather cup base and a push rod; and the channel C communicates with the air exhaust port. The automobile exhaust type air booster has the technical effects that by the adoption of the exhaust type air booster, the input push rod directly acts on a booster control valve, a control device adjusts the pressure of air in the variable-pressure cavity of the booster according to the amplitude of force of the push rod so as to achieve boosting, the driving mode not only depends on hydraulic pressure, various driving modes capable of being converted into mechanical force can be accepted, the structure is simple, the cost is low, and reliability of the booster is improved remarkably.
Description
technical field [0001] The invention relates to an automobile booster, in particular to an automobile exhaust type air pressure booster which can effectively increase the output force when the automobile is clutched. Background technique [0002] Existing automobile clutch boosters generally use hydraulic transmission to the clutch booster, relying on hydraulic pressure to control its booster device, and the booster device controls the air pressure input to the working chamber in proportion to the hydraulic pressure. In actual use, the inner seal of the booster is a vulnerable part, which is prone to failure of the hydraulic seal and failure of the air pressure into the hydraulic system. [0003] Existing pneumatic boosters are provided with variable pressure chambers and atmospheric chambers on both sides of the booster piston. The initial variable pressure chamber communicates with the atmosphere, and the pressure is the same as the external atmospheric pressure. When wo...
Claims
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IPC IPC(8): F16D48/04
CPCF16D48/04
Inventor 汪云峰
Owner LUOTIAN YUNFENG PROTECTION PRODS