一种半开放式猴负压隔离器
By introducing an installation and fixing mechanism into the semi-open negative pressure isolator, and utilizing a screw and worm gear structure, the high-efficiency filter can be quickly installed and disassembled, solving the problem of complex traditional operation and improving work efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN CHANGTE PURIFICATION TECH CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-07-17
AI Technical Summary
The installation and removal of high-efficiency filters in traditional semi-open negative pressure isolators are complex and time-consuming, resulting in low work efficiency.
The installation and fixing mechanism includes a lead screw, mounting block, limit block, and worm gear structure. By rotating the lead screw and worm, the worm gear is driven to achieve quick installation and disassembly of the high-efficiency filter, avoiding reliance on bolts and special tools.
It simplifies the installation and disassembly process of HEPA filters, saves time, improves operational efficiency, facilitates subsequent processing, and enhances the stability and safety of the device.
Smart Images

Figure CN224504300U_ABST
Abstract
Claims
1. A semi-open monkey negative pressure isolator comprising a semi-open monkey negative pressure isolator body, characterized in that, The semi-open negative pressure isolator has an installation box installed on one side of its main body. The installation box has an installation groove, and an installation fixing mechanism is installed on the inner wall of the installation groove. The high-efficiency filter body can be detachably installed on the installation box through the installation fixing mechanism.
2. A semi-open monkey negative pressure isolator according to claim 1, wherein, The mounting and fixing mechanism includes a lead screw, which is rotatably mounted inside the mounting groove. A mounting block is threaded onto the lead screw, and a limit plug is mounted on one end of the mounting block. A connecting block is mounted on one side of the high-efficiency filter body. A connecting groove is provided on the semi-open negative pressure isolator body in conjunction with the connecting block. The limit plug slides through the mounting groove and the connecting groove, and a slot is provided on one side of the connecting block in conjunction with the limit plug.
3. A semi-open monkey negative pressure isolator according to claim 2, wherein, The mounting box has a mounting shell connected to its upper end. The mounting groove and the connecting groove are connected. A mounting rod is rotatably mounted inside the mounting shell. A worm gear is mounted at one end of the mounting rod. A worm wheel is fixedly sleeved on the outer wall of the lead screw. The worm wheel and the worm gear are meshed together.
4. A semi-open monkey negative pressure isolator according to claim 3, wherein, The mounting rod rotates through one side of the mounting housing, and an outer object is mounted on one end of the mounting rod.
5. A semi-open monkey negative pressure isolator as claimed in claim 2, wherein, One end of the limiting plug is equipped with a guide block, and the inner end of the mounting groove is provided with a guide groove, and the guide block is slidably connected in the guide groove.
6. A semi-open monkey negative pressure isolator as claimed in claim 1, wherein, The bottom of the high-efficiency filter body is provided with a connecting pipe, and one side of the semi-open negative pressure isolator body is provided with a connecting pipe. A connecting box is installed at the upper end of the connecting pipe, and a connecting port is provided at the upper end of the connecting box in conjunction with the connecting pipe. A sealing gasket is provided on the outer wall of the connecting pipe.
7. A semi-open monkey negative pressure isolator according to claim 6, wherein, The connecting pipe is equipped with a valve, and an exhaust pipe is installed at the upper end of the high-efficiency filter body. The exhaust pipe is equipped with a second valve.
8. The semi-open monkey negative pressure isolator according to claim 1, wherein, A second external support is installed on one side of the high-efficiency filter body.