一种空调管路密封性检测堵头
The expansion mechanism expands the outer sealing ring to fit the air conditioning pipe sealing test plug on the inner wall of the pipe opening, solving the problem of needing multiple plugs for copper pipes with different inner diameters, and achieving cost and time savings.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TONGLU QIANDING TECH
- Filing Date
- 2025-09-24
- Publication Date
- 2026-07-17
AI Technical Summary
The existing air conditioning pipe sealing test plugs need to be replaced with different sizes depending on the inner diameter of the copper pipe, resulting in high procurement costs and long operation time.
An air conditioning pipeline sealing test plug was designed. The outer sealing ring is enlarged by an expansion mechanism and axially press-fits against the inner wall of the pipe opening, making it applicable to multiple sizes and reducing the plug procurement cost and operation time.
It is applicable to pipes with different inner diameters within a certain range, reducing the procurement cost and replacement frequency of plugs, and improving operational efficiency.
Smart Images
Figure CN224516304U_ABST
Abstract
Claims
1. An air conditioner pipe sealing property detection plug, characterized by: The device includes a handle, a ball head, and an elastic sleeve. The ball head is located on the left side of the handle. An expansion mechanism capable of radially expanding is provided between the handle and the ball head. The elastic sleeve is fitted onto the ball head, the expansion mechanism, and the handle. An elastic outer sealing ring is provided on the elastic sleeve and is located outside the expansion mechanism. An operating lever is provided inside the handle to drive the expansion mechanism to expand and reset, and the operating lever is connected to a handle located on the right side of the handle.
2. The air conditioner pipe sealability detection plug according to claim 1, characterized in that: The expansion mechanism includes a hinge rod assembly and a tapered member. The hinge rod assembly consists of multiple hinge rods arranged at equal intervals around the ball head and the handle. The hinge rod assembly includes a left hinge rod and a right hinge rod. The left end of the left hinge rod is hinged and slides left and right on a groove inside the ball head. The right end of the left hinge rod is hinged to the left end of the right hinge rod. The right end of the right hinge rod is hinged to the left end of the handle. The tapered member is driven by an operating lever to slide left and right within the opening at the left end of the handle.
3. The air conditioner pipe sealability detection plug according to claim 1, characterized in that: The aforementioned outer sealing ring is provided in two parts, with the two outer sealing rings located on the outside of the left hinge rod and the right hinge rod, respectively. The outer sealing rings are integrally formed with the elastic sleeve.
4. The air conditioner pipe sealability detection plug according to claim 2, characterized in that: The tapered component is slidable left and right but not rotatable and is located in the opening at the left end of the handle. The operating rod passes through the tapered component and the handle from left to right. The operating rod is rotatably connected to the handle and threadedly connected to the tapered component.
5. The air conditioner pipe sealability detection plug according to claim 1, characterized in that: The ball head is provided with a through hole running from left to right. The left end of the elastic sleeve has an opening aligned with the through hole. The left end of the operating rod is provided with a convex ring with a diameter larger than the operating rod. The convex ring slides left and right and rotates within the through hole. An inner sealing ring is sandwiched between the right side of the convex ring and the right end of the through hole. The operating rod is provided with a through air passage running from left to right. The right end of the air passage is provided with an internal thread and passes through the handle located on the right side of the handle.
6. The air conditioner pipe sealability detection plug according to claim 1, characterized in that: The outer surface of the elastic sleeve on the outer side of the handle is provided with anti-slip texture.