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CN-121977106-A - Low-loss rigidity valve

CN121977106ACN 121977106 ACN121977106 ACN 121977106ACN-121977106-A

Abstract

The invention discloses a low-loss rigidity valve, which comprises a plurality of first buffer cushions arranged at the top of a valve core, wherein the first buffer cushions are positioned at the top of the inner wall of a valve body, the bottom of the valve core is fixedly connected with a plurality of second buffer cushions, the second buffer cushions are positioned at the bottom of the inner wall of the valve body, a valve framework is arranged in the valve core, and a plurality of auxiliary vent holes are formed in the top of the valve framework at equal intervals.

Inventors

  • LIANG FANG
  • XIAO XIANGDE
  • Jin Huimei
  • SHAO YONGJUN
  • ZHANG XIAOQIANG
  • WU BIN

Assignees

  • 金华市合发科技有限公司

Dates

Publication Date
20260505
Application Date
20260302

Claims (6)

  1. 1. The low-loss rigidity valve comprises a valve body (1), wherein a valve core (2) is arranged in the valve body (1), a buffer mechanism (3) is arranged at the top of the valve core (2), and a dustproof mechanism (4) is arranged in the valve core (2); The valve is characterized in that the buffer mechanism (3) comprises a plurality of first buffer pads (301) arranged at the top of the valve core (2), the first buffer pads (301) are positioned at the top of the inner wall of the valve body (1), the bottom of the valve core (2) is fixedly connected with a plurality of second buffer pads (302), the second buffer pads (302) are positioned at the bottom of the inner wall of the valve body (1), a valve framework (303) is arranged in the valve core (2), and a plurality of auxiliary vent holes (304) are formed in the top of the valve framework (303) in an equidistant manner.
  2. 2. The low-loss rigidity valve of claim 1, wherein the dustproof mechanism (4) comprises an arc-shaped supporting frame (401) embedded at the top of the valve framework (303), a dustproof screen (402) is embedded on the inner wall of the arc-shaped supporting frame (401), and two connecting supporting plates (403) are fixedly connected to the outer wall of the arc-shaped supporting frame (401).
  3. 3. The low-loss rigid valve of claim 2, wherein the two sides of the top of the valve core (2) are provided with strip-shaped grooves (404), and the two sides of the top of the valve core (2) are provided with two strip-shaped holes (406).
  4. 4. A low-loss rigid valve according to claim 3, wherein the bottoms of the two connecting support plates (403) are fixedly connected with a support slide block (405), and the support slide block (405) is connected with the inner walls of two strip-shaped holes (406) in a penetrating manner.
  5. 5. The low-loss rigid valve of claim 4, wherein the inner walls of the two strip-shaped holes (406) are respectively and rotatably connected with a rotating shaft (407), the bottoms of the outer walls of the two rotating shafts (407) are respectively and fixedly connected with a clamping block (408), and the clamping blocks (408) are in clamping connection with one side of the supporting sliding block (405).
  6. 6. The low-loss rigid valve of claim 5, wherein the tops of the outer walls of the two rotating shafts (407) are fixedly connected with a manual shifting lever (409), the tops of the inner walls of the two strip-shaped grooves (404) are fixedly connected with a pressure spring (410), and the other end of the pressure spring (410) is fixedly connected with one side of the manual shifting lever (409).

Description

Low-loss rigidity valve Technical Field The invention belongs to the technical field of stiffness valves, and particularly relates to a low-loss stiffness valve. Background The rigidity valve is used as a core component for realizing dynamic control of rigidity of a mechanical system by adjusting fluid damping or elastic medium deformation, and becomes an indispensable key element in the fields of automobile industry, industrial robots, aerospace, precision machinery and the like by virtue of the characteristics of high response speed, high control precision, strong environmental adaptability and the like. In the field of automobiles, the pneumatic suspension system is used as a core control unit of the pneumatic suspension system, dynamic rigidity switching is realized by adjusting the effective volume of an air pressure spring, the comfort of low-speed running and the control stability of high-speed running are considered, flexible grabbing and operation precision is ensured by accurate rigidity adjustment in an industrial robot joint, and the pneumatic suspension system is matched with the severe working condition requirements of key components such as a satellite antenna unfolding mechanism and the like in aerospace equipment, so that the pneumatic suspension system has a decisive role in system reliability. Under the background of high-speed iteration of the new energy automobile industry, the performance requirement of the air suspension system serving as a core component for improving the operability and the comfort of the vehicle is evolving towards the direction of 'efficient response and low-noise experience collaborative optimization'. The rigidity valve is used as a key executive component for adjusting the pressure of a cavity and realizing rigidity switching in an air suspension system, the technical characteristics of the rigidity valve directly influence the dynamic performance and driving texture of a vehicle, the conventional rigidity valve is designed to be more in pursuit of extremely-high response speed as a core target, the response time of rigidity switching is effectively shortened by optimizing a valve clack structure, improving the power of a driving mechanism and other modes, and the requirement of rapid posture adjustment of the vehicle under complex road conditions is met. However, with the continuous improvement of the response speed, the problems of impact with a valve seat, air flow noise generated by rapid on-off of fluid and the like in the opening and closing process of the valve clack are increasingly highlighted, and the technical contradiction of response speed improvement and noise control is formed. When pure electric vehicles occupy the mainstream of the market, the low-noise characteristic of a vehicle power system makes the working noise of an air suspension more easily perceived, the air suspension becomes a key short plate for influencing the riding comfort, and the balance of noise control and response speed becomes a core requirement to be solved in the industry. Disclosure of Invention In view of the above, the present invention provides a low-loss stiffness valve to solve the above-mentioned problems in the prior art. The low-loss rigidity valve comprises a valve body, wherein a valve core is arranged in the valve body, a buffer mechanism is arranged at the top of the valve core, and a dustproof mechanism is arranged in the valve core; The buffering mechanism comprises a plurality of first buffering cushions arranged at the top of the valve core, the first buffering cushions are arranged at the top of the inner wall of the valve body, the bottom of the valve core is fixedly connected with a plurality of second buffering cushions, the second buffering cushions are arranged at the bottom of the inner wall of the valve body, a valve framework is arranged in the valve core, and a plurality of auxiliary ventilation holes are formed in the top of the valve framework in an equidistant manner. In one example, the dustproof mechanism comprises an arc-shaped supporting frame embedded at the top of the valve framework, a dustproof screen is embedded on the inner wall of the arc-shaped supporting frame, and two connecting supporting plates are fixedly connected to the outer wall of the arc-shaped supporting frame. In one example, two sides of the top of the valve core are provided with strip-shaped grooves, and two strip-shaped holes are formed in two sides of the top of the valve core. In one example, the bottoms of the two connecting support plates are fixedly connected with support sliding blocks, and the support sliding blocks are in sliding connection with the inner walls of the two strip-shaped holes. In one example, the inner walls of the two strip-shaped holes are both rotationally connected with a rotating shaft, the bottoms of the outer walls of the two rotating shafts are both fixedly connected with clamping blocks, and the clamping blocks are connected with o