A valve adapter structure for a valve of a pump
By inserting the plug into the filler/drain valve and tightening the fastening nut, the problem of inconvenient installation and removal of traditional filler/drain valves is solved, enabling rapid connection and sealing, and improving the operational convenience of spacecraft.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CIXI LIHONG COMM APPLIANCE FACTORY
- Filing Date
- 2025-09-11
- Publication Date
- 2026-07-07
AI Technical Summary
Traditional venting valves are inconvenient to install and remove on spacecraft, and their sealing performance is difficult to guarantee.
The connection is achieved by directly inserting the plug into the drain valve and tightening the fastening nut, and a sealing ring is added to achieve a seal, which simplifies the loading and unloading process.
It achieves quick connection and sealing between the valve and the adapter, with a simple and compact structure and convenient loading and unloading.
Smart Images

Figure CN224469764U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of valve adapters for adding and removing valves, and specifically to a structure for a valve adapter for adding and removing valves. Background Technology
[0002] In existing technologies, filler / vent valves are widely used in everyday pressurization and vacuum equipment, such as refrigerant charging ports for air conditioners. In the aerospace field, filler / vent valves are mainly used for the filling and venting of propellants and pressurizing gases in rockets or satellites.
[0003] Traditional venting valves used on spacecraft employ internal helical spring preload to achieve sealing, resulting in complex shapes and inconvenient assembly and disassembly with connector structures.
[0004] Accordingly, this utility model proposes a valve adapter structure for adding a drain valve. Utility Model Content
[0005] In order to overcome the defects in the prior art, this utility model provides a valve adapter structure for a valve adding and discharging valve. The connection between the valve adding and discharging valve and the adapter can be achieved by directly inserting the plug into the valve adding and discharging valve and then tightening the fastening nut. At the same time, the sealing ring achieves sealing, making installation and removal quick and convenient.
[0006] Technical solution
[0007] A valve adapter structure for a valve feeder includes a connector portion, a guide port on one side of the connector portion, a plug portion connected to the other side of the connector portion, a concave ring portion on the plug portion, a sealing ring on the concave ring portion, and a fastening nut for connecting the plug portion to the valve feeder is also fitted on the plug portion.
[0008] Furthermore, a first welding end is provided on the side of the blockage portion away from the filler / drainer valve, and a second welding end is provided on the side of the connector portion near the blockage portion.
[0009] Furthermore, the first welding end and the second welding end are fixedly connected by welding.
[0010] Furthermore, the joint portion is provided with a pipe portion communicating with the guide port, and the pipe portion is connected to a connecting pipe portion located inside the second welding end.
[0011] Furthermore, the blocking part and the first welding end are provided with a delivery pipe that communicates with the connecting pipe part.
[0012] Furthermore, the blocking part is also provided with a protruding ring part, and the fastening nut is provided with a pressing part that can press the protruding ring part. The pressing part presses the protruding ring part against the valve to fasten the blocking part.
[0013] Beneficial effects
[0014] Compared with the prior art, this utility model has the following advantages:
[0015] The connection between the valve and the adapter can be achieved by directly inserting the plug into the valve and then tightening the fastening nut. At the same time, the sealing ring achieves a seal. The installation and removal are quick and convenient, and the overall structure is simple, compact and highly practical. Attached Figure Description
[0016] Figure 1 This is a structural schematic diagram of a valve adapter structure for adding a drain valve according to this utility model;
[0017] Figure 2 This is a schematic diagram of the structure of this utility model when assembled with the drain valve.
[0018] Attached icon number
[0019] 1. Connector section, 2. First welding end, 3. Extrusion section, 4. Convex ring, 5. Blocking section, 6. Concave ring section, 7. Fastening nut, 8. Second welding end, 9. Addition and discharge valve, 10. Pipe section, 11. Guide port, 12. Delivery pipe, 13. Connecting pipe section, 14. Detailed Implementation
[0020] To better illustrate the content of this utility model, the following description is provided in conjunction with the accompanying drawings and embodiments:
[0021] have Figures 1-2 As shown, this utility model discloses a valve adapter structure for a filler / drain valve, including a connector part 1. A guide port 12 is provided on one side of the connector part 1, and a plug part 6 is connected to the other side of the connector part 1. A concave ring part 7 is provided on the plug part 6, and a sealing ring 5 is provided on the concave ring part 7. A fastening nut 8 for connecting the plug part 6 to the filler / drain valve 10 is also sleeved on the plug part 6.
[0022] Furthermore, a first welding end 2 is provided on the side of the blockage part 6 away from the supply and discharge valve 10, and a second welding end 9 is provided on the side of the connector part 1 near the blockage part 6.
[0023] Furthermore, the first welding end 2 and the second welding end 9 are fixedly connected by welding.
[0024] Furthermore, the connector 1 is provided with a pipe section 11 that communicates with the guide port 12, and the pipe section 11 is connected to a connecting pipe section 14 located inside the second welding end 9.
[0025] Furthermore, the blocking part 6 and the first welding end 2 are provided with a delivery pipe 13 that communicates with the connecting pipe part 14.
[0026] Furthermore, the blocking part 6 is also provided with a protruding ring part 4, and the fastening nut 8 is provided with a pressing part 3 that can press the protruding ring part 4. The pressing part 3 presses the protruding ring 4 against the filling and draining valve 10 to fasten the blocking part 6.
[0027] Specifically, in use, first, the fastening nut 8 is fitted onto the right side of the protruding ring 7 of the plug part 6, and then the first welding end 2 is inserted into the connecting pipe part 14 and welded to fix the connector part 1 and the plug part 6 in place.
[0028] Next, insert the plug 6 into the connecting end of the filler / drain valve 10, and tighten the protruding ring 7 by tightening the fastening nut 8 to complete the installation of the plug 6;
[0029] At this time, the delivery pipe 13 is connected to the internal pipe of the addition and discharge valve 10, which can realize gas-liquid injection and discharge. At the same time, the sealing ring 5 is pressed against the inner wall of the pipe of the addition and discharge valve 10 to achieve sealing.
[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the technical solutions of this utility model have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of this utility model.
Claims
1. A valve adapter structure for adding a discharge valve, characterized in that: It includes a connector (1), a guide port (12) is provided on one side of the connector (1), a plug (6) is connected to the other side of the connector (1), a concave ring (7) is provided on the plug (6), a sealing ring (5) is provided on the concave ring (7), and a fastening nut (8) for connecting the plug (6) to the drain valve (10) is also provided on the plug (6).
2. The valve adapter structure for adding and removing valves according to claim 1, characterized in that: The first welding end (2) is provided on the side of the blockage part (6) away from the drain valve (10), and the second welding end (9) is provided on the side of the connector part (1) near the blockage part (6).
3. The valve adapter structure for adding and removing valves according to claim 2, characterized in that: The first welding end (2) and the second welding end (9) are fixedly connected by welding.
4. The valve adapter structure for adding and removing valves according to claim 3, characterized in that: The connector (1) is provided with a pipe section (11) that communicates with the guide port (12), and the pipe section (11) is connected to a connecting pipe section (14) located inside the second welding end (9).
5. The valve adapter structure for adding and removing valves according to claim 4, characterized in that: The blocking part (6) and the first welding end (2) are provided with a delivery pipe (13) that communicates with the connecting pipe part (14).
6. The valve adapter structure for adding / removing valves according to claim 5, characterized in that: The plug (6) is also provided with a protruding ring (4), and the fastening nut (8) is provided with a pressing part (3) that can press the protruding ring (4). The pressing part (3) presses the protruding ring (4) against the filling and draining valve (10) to fasten the plug (6).