Microsatellite pipeline liquid adding valve

Abstract

The utility model discloses a microsatellite pipeline liquid adding valve which comprises a valve body. An overflowing channel which is arranged along the axial direction of the valve body is arranged in the valve body; a control valve port is formed in one end, corresponding to the overflowing channel, of the valve body; the control valve port is provided with a sealing internal thread, the sealing internal thread is matched with threads of the control valve port, and the size of the control valve port can be adjusted by rotating the sealing internal thread. The valve structure provided by the utility model is compact in overall structure, lighter in weight and very suitable for limited space layout of a microsatellite; a simplified valve design is adopted, so that the manufacturing cost is reduced, and the economic benefit is improved; a sealing structure is arranged on the valve, so that stable operation and long service life of the valve in a severe space environment are ensured; during use, the flow of the valve is accurately controlled through the sealing internal thread in the fine adjustment valve, and the fine requirement of a microsatellite for fluid management is met.

Description

Technical Field

[0001] The utility model relates to the technical field of miniaturized design of spacecraft, in particular to a liquid-filling valve for a micro-satellite pipeline. Background Art

[0002] With the rapid development of aerospace technology, microsatellites have been widely used in a variety of fields, including scientific research, communication relay, and Earth observation, due to their low cost, short development cycle, and flexible launch. However, the limited space and weight resources of microsatellites place extremely high demands on the size, weight, and performance of supporting equipment. The pipeline filling valves of traditional satellites are often large and heavy, making them difficult to meet the compact layout requirements of microsatellites. They also have low adjustment accuracy and high cost, which affects the overall cost-effectiveness and reliability of the satellites. Utility Model Content

[0003] In response to the defects in the existing technology, the utility model proposes a micro-satellite pipeline filling valve, which has the characteristics of being small and light, low manufacturing cost, and high operational stability. It is suitable for the precise control and supply of liquid fuel, coolant or other fluids to the micro-satellite while it is in orbit.

[0004] The technical solution adopted by the utility model is: a micro satellite pipeline liquid filling valve, including a valve body; a flow channel arranged along the axial direction of the valve body is provided in the valve body; a control valve port is provided at one end of the valve body corresponding to the flow channel; the control valve port is provided with a sealing inner thread, the sealing inner thread is adapted to the control valve port thread, and the size of the control valve port can be adjusted by rotating the sealing inner thread.

[0005] The valve structure provided in this technical solution is compact as a whole and is very suitable for the limited space layout of microsatellites. When in use, the sealing inner thread that controls the position of the valve port is rotated to control the opening and closing state and size of the valve port. That is to say, when the screw is rotated, the axial movement of the screw can change the flow area of ​​the valve port, thereby realizing precise control of the fluid flow rate, thus meeting the microsatellite's delicate needs for fluid management.

[0006] Preferably, an exhaust groove is provided on the inner peripheral wall of the control valve port.

[0007] Preferably, the end face of the sealing inner thread is provided with a rotation groove.

[0008] Preferably, a liquid adding pipe is provided at one end of the valve body away from the control valve port, and a sealing ring is sleeved on the outer periphery of the liquid adding pipe.

[0009] Preferably, the valve body is provided with an abutting ring convex on the outer periphery of one end of the liquid adding pipe, which abuts against the sealing ring.

[0010] The beneficial effects of the present invention are as follows: the valve structure provided in the present invention has a compact overall structure and is lighter in weight, which is very suitable for the limited space layout of microsatellites; a simplified valve design is adopted to reduce manufacturing costs and improve economic benefits; a sealing structure is provided on the valve to ensure stable operation and long life of the valve in harsh space environments; when in use, the sealing inner thread in the valve is fine-tuned to achieve precise control of the valve flow, meeting the microsatellite's delicate needs for fluid management; and it has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0012] Figure 1 This is a front view of the micro satellite pipeline liquid filling valve provided in Example 1 of the present utility model;

[0013] Figure 2 This is an assembly diagram of a micro satellite pipeline liquid filling valve provided in Example 1 of the present utility model;

[0014] Figure 3 This is a cross-sectional view of the micro satellite pipeline liquid filling valve provided in Example 1 of the present utility model.

[0015] In the drawings: valve body 100 , flow passage 110 , control valve port 120 , exhaust groove 121 , liquid adding pipe 130 , abutting ring protrusion 140 , sealing inner thread 200 , sealing ring 300 . DETAILED DESCRIPTION

[0016] The following embodiments of the technical solution of the present invention are described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.

[0017] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art to which this utility model belongs.

[0018] like Figures 1 to 3As shown, a specific embodiment 1 of the present invention provides a micro satellite pipeline filling valve, which optimizes the design of main components and structures to achieve significant reduction in volume and weight, reduce manufacturing costs and improve stability while maintaining high performance; specifically, it includes a valve body 100; a flow channel 110 is provided in the valve body 100 and arranged along the axial direction of the valve body 100; a control valve port 120 is provided at one end of the valve body 100 corresponding to the flow channel 110; the control valve port 120 is provided with a sealing inner thread 200, and the sealing inner thread 200 is threadably adapted to the control valve port 120, and the size of the control valve port 120 can be adjusted by rotating the sealing inner thread.

[0019] like Figures 1 to 3 As shown, through the above-mentioned settings, the valve provided in this embodiment adopts a monomeric structure, which is compact and small as a whole, and is very suitable for the limited space layout of micro-satellites; the control valve port 120 is built with a sealing inner thread 200 for adjustment; when in use, the sealing inner thread of the control valve port 120 is rotated to control the opening and closing state and size of the valve port by rotating the sealing inner thread in the valve; that is, when the screw is rotated, the axial movement of the screw can change the flow area of ​​the control valve port, thereby achieving precise control of the fluid flow rate, and meeting the micro-satellite's delicate needs for fluid management. In addition, the inner wall of the control valve port 120 is provided with an exhaust groove 121, thereby realizing an automatic exhaust function. In actual applications, the valve body 100 can be made of high-strength lightweight materials (such as titanium alloys or high-performance engineering plastics), and precision processing ensures that the structure is compact and strong enough to adapt to the extreme temperature differences and vibration conditions of the space environment.

[0020] like Figures 1 to 3 As shown, in order to facilitate the rotation of the sealing inner thread 200 to adjust the control valve port 120, a rotation groove is provided on the end surface of the sealing inner thread 200 in this embodiment; the adjustment operation can be performed with the help of tools such as screws.

[0021] like Figures 1 to 3 As shown, because the valve structure requires a connection to a liquid-filling pipe 130, this embodiment provides a liquid-filling pipe 130 at the end of the valve body 100 away from the control valve port 120. A sealing ring 300 is sheathed around the outer periphery of the liquid-filling pipe 130, and an abutting ring protrusion 140 is provided on the outer periphery of the end of the valve body 100 corresponding to the liquid-filling pipe 130, which abuts against the sealing ring 300. Thus, the provision of the sealing ring 300 ensures the tightness of the connection. The sealing ring 300 can be made of a high-performance elastic material (such as fluororubber or silicone). The sealing structure ensures that the valve maintains excellent sealing performance even during long-term operation, preventing liquid leakage. Thanks to the sealing structure, the valve can be leak-free even under extreme conditions, thereby improving the durability and service life of the valve.

[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A micro satellite pipeline liquid filling valve, characterized in that: comprising a valve body (100); The valve body (100) is provided with a flow passage (110) arranged along the axial direction of the valve body (100); the valve body (100) is provided with a control valve port (120) at one end corresponding to the flow passage (110); the control valve port (120) is provided with a sealing inner thread (200), the sealing inner thread (200) is threadably adapted to the control valve port (120), and the size of the control valve port (120) can be adjusted by rotating the sealing inner thread (200).

2. The micro satellite pipeline filling valve according to claim 1, characterized in that: An exhaust groove (121) is provided on the inner peripheral wall of the control valve port (120).

3. The micro satellite pipeline liquid filling valve according to claim 1, characterized in that: The end surface of the sealing inner thread (200) is provided with a rotation groove.

4. The micro satellite pipeline liquid filling valve according to claim 1, characterized in that: A liquid adding pipe (130) is provided at one end of the valve body (100) away from the control valve port (120), and a sealing ring (300) is sleeved on the outer periphery of the liquid adding pipe (130).

5. The micro satellite pipeline liquid filling valve according to claim 4, characterized in that: The outer periphery of one end of the valve body (100) corresponding to the liquid adding pipe (130) is provided with a supporting annular protrusion (140) that abuts against the sealing ring (300).

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