CN-224200760-U - Stay wire connecting rod inflating device

Abstract

The utility model discloses a stay wire connecting rod inflating device which comprises an air supply unit, a height control module and an air purification module, wherein the air supply unit comprises an integrated air pump box, a piston sleeve, a piston end, an integrated reel, a winding spring, an eccentric wheel connecting rod mechanism and a high-strength stay wire, the integrated air pump box is fixed at the end of the air spring, one end of the high-strength stay wire is fixed at a movable part of the air spring, the other end of the high-strength stay wire is wound on the integrated reel, one end of the eccentric wheel connecting rod mechanism is hinged with an eccentric wheel of the integrated reel, the other end of the eccentric wheel connecting rod mechanism is hinged with the piston end, and the piston sleeve is sleeved on the piston end and can reciprocate in the integrated air pump box. The utility model adopts an integrated optimized air suspension system, reduces repeated configuration of components, reduces space occupation, adopts a pure mechanical control mode, does not need a height sensor and related electronic elements, simplifies the structure and reduces the cost.

Inventors

• NI JUN
• SU YIMIN

Assignees

• 台州博城汽车零部件制造有限公司

Dates

Publication Date

20260505

Application Date

20250625

Claims (6)

1. 1. The stay wire connecting rod inflating device comprises an air supply unit (1), a height control module (2) and an air purification module (3), and is characterized in that the air supply unit (1) comprises an integrated air pump box (11), a piston sleeve (12), a piston end (13), an integrated reel (14), a winding spring (15), an eccentric wheel connecting rod mechanism (16) and a high-strength stay wire (17), the integrated air pump box (11) is fixed at the air spring end, one end of the high-strength stay wire (17) is fixed on a movable part of the air spring, the other end of the high-strength stay wire is wound on the integrated reel (14), one end of the eccentric wheel connecting rod mechanism (16) is hinged with an eccentric wheel (141) of the integrated reel (14), the other end of the eccentric wheel connecting rod mechanism is hinged with the piston end (13), and the piston sleeve (12) is sleeved on the piston end (13) and can reciprocate in the integrated air pump box (11); the height control module (2) comprises a sealing piston sleeve (21) and a linear driven end head (22), wherein the sealing piston sleeve (21) is connected with the linear driven end head (22) through a fixing pin (23), and the integrated reel (14) is in threaded transmission connection with the linear driven end head (22); The gas purification module (3) comprises a filtering gas core (31), a one-way valve (32) and an adjusting gas valve (33), wherein the filtering gas core (31) is communicated with a gas path of the gas supply unit (1) and the height control module (2), the one-way valve (32) is arranged in the gas path, and the adjusting gas valve (33) is communicated with the air spring.
2. 2. The stay wire connecting rod inflating device according to claim 1, wherein two independent air passages are arranged in the integrated air pump box (11), through holes corresponding to the air passages are formed in the sealing piston sleeve (21), the diameter of each through hole is larger than that of each air passage hole, and the two through holes are arranged in a staggered mode in the circumferential direction.
3. 3. The stay wire connecting rod pumping device according to claim 1, wherein the integrated reel (14) is connected with the integrated air pump box (11) through a deep groove ball bearing (142) and a clamp spring (143), and the deep groove ball bearing (142) is arranged between the integrated air pump box (11) and the clamp spring (143).
4. 4. The stay wire connecting rod pumping device according to claim 1, characterized in that the linear driven end (22) of the height control module (2) is connected with the sealing piston sleeve (21) through two fixing pins (23) which are assembled in a ninety-degree staggered way.
5. 5. The stay wire connecting rod inflating device according to claim 1, wherein the one-way valve (32) of the gas purifying module (3) is respectively arranged in the exhaust gas path and the air supplementing gas path, and the adjusting gas valve (33) comprises a first gas valve communicated with the exhaust gas path and a second gas valve communicated with the air supplementing gas path.
6. 6. The stay wire connecting rod pumping device according to claim 1, wherein the air supply unit (1), the height control module (2) and the air purification module (3) are integrated in an end structure of an air spring.

Description

Stay wire connecting rod inflating device Technical Field The utility model relates to the technical field of automobile air suspension systems, in particular to a stay wire connecting rod pumping device. Background In the field of vehicles, air suspension systems are widely used. It is mainly composed of an air supply system, a sensor, a controller (ECU) and the like. The air supply system comprises an air compressor, a distribution valve, an air storage tank and an air pipeline, and is responsible for charging and discharging air for an air spring to adjust the suspension stroke, various sensors are used for detecting the state of a vehicle and feeding back signals to the ECU to realize information closed loop, and the ECU accurately controls the air supply system and the shock absorber according to the feedback signals and a preset strategy to adjust the height of the vehicle, the rigidity of the suspension and damping. However, existing air suspension system inflators suffer from a number of drawbacks. The air compressor is frequently started and stopped to generate larger noise, the driving comfort is influenced, the service life of the air compressor is reduced, the data acquisition precision of the sensor is greatly influenced by environmental factors, under the conditions of extreme temperature and humidity, the data error can cause ECU control deviation to influence the height of a vehicle body, the rigidity of a suspension and the adjustment effect of damping, so that the stability and the safety of the running of the vehicle are threatened, the control strategy of the conventional system is insufficient in flexibility, the complex road condition is difficult to adapt quickly, and the performance of the air suspension system is limited. Based on this, a stay wire connecting rod pumping device is proposed. Disclosure of utility model The utility model aims to solve the problems and provides a stay wire connecting rod inflating device. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The air supply unit comprises an integrated air pump box, a piston sleeve, a piston end, an integrated reel, a winding spring, an eccentric wheel connecting rod mechanism and a high-strength stay wire, wherein the integrated air pump box is fixed at the air spring end, one end of the high-strength stay wire is fixed on a movable part of the air spring, the other end of the high-strength stay wire is wound on the integrated reel, one end of the eccentric wheel connecting rod mechanism is hinged with an eccentric wheel of the integrated reel, the other end of the eccentric wheel connecting rod mechanism is hinged with the piston end, and the piston sleeve is sleeved on the piston end and can reciprocate in the integrated air pump box; the height control module comprises a sealing piston sleeve and a linear driven end, wherein the sealing piston sleeve is connected with the linear driven end through a fixing pin, and the integrated reel is in threaded transmission connection with the linear driven end; The gas purification module comprises a filtering gas core, a one-way valve and an adjusting gas valve, wherein the filtering gas core is communicated with the gas path of the gas supply unit and the height control module, the one-way valve is arranged in the gas path, and the adjusting gas valve is communicated with the air spring. Preferably, two independent air channels are arranged in the integrated air pump box, through holes corresponding to the air channels are formed in the sealing piston sleeve, the diameter of each through hole is larger than that of each air channel hole, and the two air channels are arranged in a circumferential dislocation mode. Preferably, the integrated reel is connected with the integrated air pump box through a deep groove ball bearing and a clamp spring, and the deep groove ball bearing is arranged between the integrated air pump box and the clamp spring. Preferably, the linear driven end of the height control module is connected with the sealing piston sleeve through two fixing pins which are assembled in a ninety-degree staggered way. Preferably, the one-way valve of the gas purification module is respectively arranged in the exhaust gas path and the air supplementing gas path, and the adjusting gas valve comprises a first gas valve communicated with the exhaust gas path and a second gas valve communicated with the air supplementing gas path. Preferably, the air supply unit, the height control module and the air purification module are integrated in an end structure of the air spring. In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: 1. The application adopts an integrated optimized air suspension system, reduces repeated configuration of components, and reduces space occupation and cost of equipment such as a distributing valve, an air storage tank and the like. Meanw