CN115978320A - Online cabinet is short circuit hard tube and air system of adjustable flow for control box - Google Patents
Online cabinet is short circuit hard tube and air system of adjustable flow for control box Download PDFInfo
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- CN115978320A CN115978320A CN202211719679.0A CN202211719679A CN115978320A CN 115978320 A CN115978320 A CN 115978320A CN 202211719679 A CN202211719679 A CN 202211719679A CN 115978320 A CN115978320 A CN 115978320A
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Abstract
The invention relates to a flow-adjustable short-circuit hard pipe and a gas system for an online cabinet operation box. According to the short-circuit hard pipe, the short-circuit pipe and the flow regulating assembly are connected to the quick-breaking female head, so that the air passage communication of the gas system when the electromagnetic valve is opened can be ensured, the capacity of quickly disconnecting the communicated air passage when the electromagnetic valve is opened accidentally can be ensured, the flow of the passage can be regulated, and the whole process can be controlled according to the design.
Description
Technical Field
The invention relates to the technical field of space station online cabinets, in particular to a flow-adjustable short-circuit hard pipe and a gas system for an online cabinet operation box.
Background
With the development of manned aerospace technology, the establishment of an environment with people living and working for a long time in outer space becomes the center of gravity of human aerospace industry. The logistics of international space stations is very expensive and difficult compared with the natural exploration activities of any former human, the logistics problem of building bases on the moon and mars in the future is more severe, and especially, the loss caused by ground guarantee delay cannot be estimated in response to emergencies. Therefore, given the initiative of astronauts, the ability to enhance the autonomous maintenance and support of facilities is an important measure to address the logistical replenishment problem by providing a range of tools and technical support to the personnel.
An on-line maintenance and debugging operation cabinet (hereinafter referred to as an "on-line cabinet") is a scientific and technical experiment platform for planning an application system of a space station, and mainly provides a working place for on-orbit fault diagnosis, relay-level maintenance and manual or mechanical operation for a payload of the space station. The on-line cabinet can utilize the space environmental conditions in the cabin provided by the manned space station and the on-orbit operation, maintenance and replacement capabilities of the astronaut, and carries out on-orbit maintenance, debugging operation and experimental research based on the resource constraints of external machines, electricity, heat, information, measurement and control and the like.
An online maintenance operation support unit (hereinafter referred to as an 'operation box') is a main functional component of an online cabinet system, provides a large-volume, multi-type interface and environment-controllable closed working space, and ensures that astronauts can directly participate in manual online operation and scientific experiments. In order to ensure smooth and safe operation and experiment, the operation box needs to be designed into a system with observable, measurable, replaceable and controllable operation and experiment processes. The observation means that the astronaut can directly observe the operated object and the operation process through the transparent panel of the on-line maintenance operation support unit; measurable means that the primary measurement is carried out on the operated object by using configured auxiliary equipment (such as a three-dimensional scanner, an intelligent induced maintenance unit and the like); the replaceable means that devices in the online maintenance operation support unit can be replaced and can be freely combined and disassembled according to operation and experiment requirements; the controllable means that the environment (such as light, temperature, gas and the like) and the fine operation (such as the end precision operation of a smart manipulator and the like) processes in the online maintenance operation supporting unit are controllable, and the environment monitoring and the treatment of waste gas and waste particulate matters in the online maintenance operation supporting unit are mainly completed by the three-waste treatment unit.
The operation box is a closed space, nitrogen is needed to be supplemented when three wastes are treated, and meanwhile, the gas in the operation box is exhausted out of the space station through exhaust gas. Simultaneously, at state at ordinary times, in order to guarantee the security of control box (do not have the negative pressure), need guarantee pressure balance with inside and outside UNICOM of control box, these all need the short circuit hard tube when carrying out relevant operation.
Disclosure of Invention
The invention provides a flow-adjustable short-circuit hard pipe and a gas system for an online cabinet operation box, which aim to facilitate the operation of the gas system in the online cabinet operation box.
The technical scheme for solving the technical problems is as follows: the short-circuit hard pipe comprises a quick-break female head, a short-circuit pipe and a flow adjusting assembly, wherein one end of the short-circuit pipe is connected with the inner side of one end of the quick-break female head in a sealed and inserted mode, the short-circuit pipe is of a hollow structure with two open ends and is communicated with the quick-break female head, and the flow adjusting assembly is arranged on the inner side of the other end of the short-circuit pipe, which is open.
The invention has the beneficial effects that: according to the short-circuit hard pipe, the short-circuit pipe and the flow regulating assembly are connected to the quick-break female head, so that the gas circuit can be communicated when the electromagnetic valve in a gas system is opened, the capacity of quickly disconnecting the communicated gas circuit when the electromagnetic valve is opened accidentally can be guaranteed, the flow of a passage can be regulated, and the whole process can be controlled according to design.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the flow regulating assembly comprises a flow regulating pore plate and a pressure head, a first annular step is arranged on the inner side wall of the opening at the other end of the nipple, the flow regulating pore plate is in compression joint with the first annular step, and the pressure head is matched with the inner side wall of the opening at the other end of the nipple and is in compression joint with the flow regulating pore plate; the flow regulation pore plate middle part has the flow regulation hole that the axial is link up, the pressure head middle part has the runner that the axial is link up, the runner the flow regulation hole and the hollow structure of nipple communicates each other.
The beneficial effect of adopting the further scheme is that: the flow regulating pore plate can be pressed on the first annular step through the pressure head, and the flow regulating pore plate is installed and positioned.
Further, the flow regulating assembly further comprises a filter screen, a second annular step is further arranged on the inner side wall of the opening at the other end of the nipple, the outer diameter of the second annular step is larger than that of the first annular step, and the second annular step is arranged close to the opening at the other end of the nipple; the filter screen is in pressure joint with the second annular step, so that the flow regulating orifice plate is limited between the filter screen and the first annular step; the pressure head is in press connection with the filter screen, and the filter screen is in press connection with the flow regulating pore plate.
The beneficial effect of adopting the further scheme is that: the setting of filter screen can filter the impurity in the gas circuit, sets up the filter screen on second annular step moreover, avoids wearing and tearing with the too tight contact between the flow control orifice plate.
Furthermore, an internal thread is arranged on the inner side wall of the opening at the other end of the nipple, a first external thread is arranged on the outer side wall of the pressure head, and the first external thread is in threaded connection with the internal thread of the nipple in a matching mode.
Further, an operation through hole which is axially communicated is formed in the pressure head, and the operation through hole is of a polygonal structure; one end of the pressure head, which is close to the filter screen, is provided with an annular blank holder, and the annular blank holder is provided with a circular through hole; the circular through hole is communicated with the operation through hole.
The beneficial effect of adopting the above further scheme is: the pressure head can be screwed into the nipple through the wrench matching operation through hole, and the filter screen is pressed by the annular blank pressing at one end of the pressure head, so that the filtering performance of the filter screen is not influenced.
Further, the week side of flow control orifice plate with the step lateral wall interval arrangement or the adaptation butt of first annular step, the week side of filter screen with the step lateral wall interval arrangement or the adaptation butt of second annular step.
Furthermore, an annular limiting rib is arranged on the outer side wall of the short connecting pipe and is abutted to the end face of one end of the quick-break female head.
The beneficial effect of adopting the further scheme is that: the annular limiting rib can limit the short connecting pipe on the end face of the quick-break female head.
The quick-break female joint further comprises a sleeve nut, wherein a second external thread is arranged on the outer side wall of one end of the quick-break female joint, and the sleeve nut is in threaded connection with the second external thread of the quick-break female joint; one end of the outer sleeve nut is provided with an annular crimping step which is crimped on the annular limiting rib.
The beneficial effect of adopting the further scheme is that: the outer sleeve nut can compress the annular limiting rib of the short joint on the end face of one end of the quick-break female head.
Furthermore, be equipped with a plurality of annular seal grooves on the one end lateral wall of nipple, be equipped with the sealing washer in the annular seal groove, the nipple pass through the sealing washer with female end inside wall sealing connection of fast-breaking.
The utility model provides a gas system, includes solenoid valve, gas line and quick-break public head, still includes foretell online cabinet control box with adjustable flow's short circuit hard tube, the solenoid valve sets up among the gas line, gas supply equipment is connected or the online cabinet control box outside is inserted to the one end of gas line, the other end of gas line be equipped with the quick-break public head of quick-break female head adaptation.
The invention has the beneficial effects that: the gas system can utilize the electromagnetic valve to realize the on-off of the gas pipeline, and realizes the quick-break of the gas pipeline by the matching of the quick-break male head and the quick-break female head.
Drawings
FIG. 1 is a schematic perspective view of a short-circuit hard pipe with adjustable flow for an online cabinet operation box according to the present invention;
FIG. 2 is a schematic diagram of a three-dimensional explosion structure of a short-circuit hard pipe with adjustable flow for an online cabinet operation box according to the present invention;
FIG. 3 is a schematic diagram of a short-circuit hard pipe with adjustable flow for an online cabinet operation box according to the present invention;
FIG. 4 isbase:Sub>A schematic cross-sectional view of A-A of FIG. 3;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is a schematic perspective exploded view of the gas system of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
100. short-connecting the hard pipe; 101. quickly cutting off the female head; 102. a nipple; 103. a flow regulating orifice plate; 104. a pressure head; 105. a first annular step; 106. a flow regulating orifice; 107. a flow channel; 108. filtering with a screen; 109. a second annular step; 110. operating the through hole; 111. a circular through hole; 112. annular blank pressing; 113. an annular limiting rib; 114. a nut is sleeved; 115. an annular seal groove; 116. a second external thread; 117. an annular crimping step; 118. a hollow structure;
200. a gas line; 201. a solenoid valve bracket; 202. quickly cutting off the male head; 203. an electromagnetic valve.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the short-circuit hard tube 100 capable of adjusting flow for an online cabinet operation box of the present embodiment includes a quick-break female connector 101, a short-circuit tube 102 and a flow adjusting assembly, wherein one end of the short-circuit tube 102 is hermetically inserted into an inner side of one end of the quick-break female connector 101, the short-circuit tube 102 is a hollow structure with two open ends and is communicated with the quick-break female connector 101, and the flow adjusting assembly is disposed inside an opening at the other end of the short-circuit tube 102.
As shown in fig. 2, 4 and 5, a specific solution of this embodiment is that the flow rate adjusting assembly includes a flow rate adjusting orifice plate 103 and a pressure head 104, a first annular step 105 is provided on an inner side wall of an opening at the other end of the nipple, the flow rate adjusting orifice plate 103 is pressed on the first annular step 105, and the pressure head 104 is fitted with the inner side wall of the opening at the other end of the nipple 102 and pressed on the flow rate adjusting orifice plate 103; the flow regulating hole plate 103 is provided with a flow regulating hole 106 which axially penetrates through the middle part, the pressure head 104 is provided with a flow passage 107 which axially penetrates through the middle part, and the flow passage 107, the flow regulating hole 106 and the hollow structure 118 of the nipple 102 are communicated with each other. The flow regulating pore plate can be pressed on the first annular step through the pressure head, and the flow regulating pore plate is installed and positioned.
Specifically, the flow rate adjustment hole 106 of the present embodiment may be a circular through hole.
As shown in fig. 2, fig. 4 and fig. 5, a specific solution of this embodiment is that the flow rate adjusting assembly further includes a filter screen 108, a second annular step 109 is further disposed on an inner side wall of the opening at the other end of the nipple 102, an outer diameter of the second annular step 109 is larger than an outer diameter of the first annular step 105, and the second annular step 109 is disposed adjacent to the opening at the other end of the nipple 102; the screen 108 is crimped onto the second annular step 109 so that the flow regulating orifice 103 is trapped between the screen 108 and the first annular step 105; the ram 104 is crimped onto the screen 108, and the screen 108 is crimped onto the flow regulating orifice 103. The setting of filter screen can filter the impurity in the gas circuit, because the filter screen is very thin, can set up the filter screen on second annular step, and rethread pressure head compresses tightly the filter screen, makes the filter screen press from both sides and establishes between pressure head and flow control orifice plate, avoids the filter screen to take place to warp.
Specifically, as shown in fig. 5, the thickness of the flow regulating orifice plate 103 of the present embodiment is greater than or equal to the height of the step side wall of the first annular step 105, that is, after the flow regulating orifice plate 103 is placed on the first annular step 105, the upper end of the flow regulating orifice plate 103 is flush with the step surface of the second annular step 109 or slightly higher than the step surface of the second annular step 109.
As shown in fig. 4, in this embodiment, an inner thread is disposed on an inner side wall of an opening at the other end of the nipple 102, and a first outer thread is disposed on an outer side wall of the ram 104, and the first outer thread is in threaded connection with the inner thread of the nipple 102.
As shown in fig. 4 and 5, the ram 104 of the present embodiment has an operation through hole 110 penetrating axially therein, and the operation through hole 110 has a polygonal structure; one end of the pressure head 104 close to the filter screen 108 is provided with an annular blank holder 112, and the annular blank holder 112 is provided with a circular through hole 111; the circular through hole 111 communicates with the operation through hole 110. The through hole can be matched with the wrench to screw the pressure head into the nipple, and the filter screen is pressed and connected by utilizing the annular blank holder at one end of the pressure head, so that the filtering performance of the filter screen is not influenced.
Specifically, the polygonal structure of the operation through hole 110 may adopt a hexagonal structure, which facilitates the application of torque by a standard socket head wrench. The inner diameter of the circular through hole 111 is smaller than the maximum aperture of the operation through hole 110. The ram 104 of this embodiment may be hidden inside the other end opening of the nipple 102 and not exposed from the other end opening of the nipple 102. The annular pressing edge 112 protrudes from the end face of the pressure head 104 and is used for pressing and connecting a filter screen.
As shown in fig. 5, the peripheral side of the flow regulating orifice 103 of the present embodiment is spaced from or adapted to abut against the step side wall of the first annular step 105, and the peripheral side of the strainer 108 is spaced from or adapted to abut against the step side wall of the second annular step 109.
As shown in fig. 4 and fig. 5, an annular limiting rib 113 is disposed on an outer side wall of the nipple 102 in this embodiment, and the annular limiting rib 113 abuts against an end face of one end of the female quick-disconnect head 101. The annular limiting rib can limit the short connecting pipe on the end face of the quick-break female head.
As shown in fig. 1, fig. 2, fig. 4 and fig. 5, the short hard pipe 100 of this embodiment further includes an outer nut 114, a second outer thread 116 is disposed on an outer side wall of one end of the quick-break female head 101, and the outer nut 114 is screwed on the second outer thread 116 of the quick-break female head 101; one end of the outer sleeve nut 114 is provided with an annular crimping step 117, and the annular crimping step 117 is crimped on the annular limiting rib 113. The outer sleeve nut can compress the annular limiting rib of the short joint on the end face of one end of the quick-break female head.
As shown in fig. 4, a plurality of annular seal grooves 115 are formed in an outer side wall of one end of the nipple 102 in this embodiment, a seal ring is arranged in each annular seal groove 115, and the nipple 102 is hermetically connected to an inner side wall of one end of the quick-break female connector 101 through the seal ring.
The short circuit hard tube of this embodiment through connect nipple and flow control subassembly on quick-break female, can guarantee the gas circuit intercommunication when the solenoid valve is opened among the gas system, can guarantee again when the solenoid valve accident is opened, can also adjust the flow of route simultaneously fast with the ability of intercommunication gas circuit disconnection, guarantees that whole process is controllable according to the design.
The embodiment further provides a gas system, as shown in fig. 6, including solenoid valve, gas pipeline 200 and quick-break male head 202, still include foretell online cabinet control box with short circuit hard tube 100 of adjustable flow, the solenoid valve sets up in the gas pipeline 200, gas supply equipment is connected or the access is outside the online cabinet control box to the one end of gas pipeline 200, the other end of gas pipeline 200 be equipped with quick-break male head 202 of quick-break female head 101 adaptation. Specifically, a solenoid valve holder 201 may be disposed on the gas line 200, and a solenoid valve may be mounted on the solenoid valve holder 201.
The gas system of this embodiment, the break-make of gas line is realized to usable solenoid valve to through the cooperation of the public head of quick-break and the female head of quick-break realize the quick-break of gas line.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. The utility model provides an online cabinet is short circuit hard tube of adjustable flow for control box, its characterized in that, includes female head of fast breaking, nipple and flow control subassembly, nipple one end is sealed pegged graft female first one end inboard of fast breaking, the nipple be the open hollow structure in both ends and with female first intercommunication of fast breaking, the flow control subassembly sets up the uncovered inboard of nipple other end.
2. The short-circuit hard pipe capable of adjusting the flow for the operation box of the online cabinet according to claim 1, wherein the flow adjusting assembly comprises a flow adjusting orifice plate and a pressure head, a first annular step is arranged on the inner side wall of the opening at the other end of the short connecting pipe, the flow adjusting orifice plate is in press connection with the first annular step, and the pressure head is matched with the inner side wall of the opening at the other end of the short connecting pipe and in press connection with the flow adjusting orifice plate; the flow regulation pore plate middle part has the flow regulation hole that the axial is link up, the pressure head middle part has the runner that the axial is link up, the runner the flow regulation hole and the hollow structure of nipple communicates each other.
3. The short-circuit hard pipe capable of adjusting the flow for the operation box of the online cabinet according to claim 2, wherein the flow adjusting assembly further comprises a filter screen, a second annular step is further arranged on the inner side wall of the opening at the other end of the short-circuit pipe, the outer diameter of the second annular step is larger than that of the first annular step, and the second annular step is arranged adjacent to the opening at the other end of the short-circuit pipe; the filter screen is in pressure joint with the second annular step, so that the flow regulating orifice plate is limited between the filter screen and the first annular step; the pressure head is in press connection with the filter screen, and the filter screen is in press connection with the flow regulating pore plate.
4. The flow-adjustable short-circuit hard pipe for the online cabinet operation box is characterized in that an inner thread is arranged on the inner side wall of an opening at the other end of the short-circuit pipe, a first outer thread is arranged on the outer side wall of the pressure head, and the first outer thread is in threaded connection with the inner thread of the short-circuit pipe in a matching mode.
5. The short-circuit hard pipe with the adjustable flow for the online cabinet operation box is characterized in that an operation through hole is axially formed in the pressure head, and the operation through hole is of a polygonal structure; one end of the pressure head, which is close to the filter screen, is provided with an annular blank holder, and the annular blank holder is provided with a circular through hole; the circular through hole is communicated with the operation through hole.
6. The short-circuit hard pipe with the adjustable flow for the online cabinet operation box is characterized in that the peripheral side of the flow adjusting orifice plate is in spaced arrangement or adaptive abutment with the step side wall of the first annular step, and the peripheral side of the filter screen is in spaced arrangement or adaptive abutment with the step side wall of the second annular step.
7. The flow-adjustable short-circuit hard pipe for the online cabinet operation box is characterized in that an annular limiting rib is arranged on the outer side wall of the short-circuit pipe, and the annular limiting rib abuts against the end face of one end of the quick-break female head.
8. The flow-adjustable short-circuit hard pipe for the online cabinet operation box is characterized by further comprising an outer nut, wherein a second outer thread is arranged on the outer side wall of one end of the quick-break female head, and the outer nut is in threaded connection with the second outer thread of the quick-break female head; one end of the outer sleeve nut is provided with an annular crimping step which is crimped on the annular limiting rib.
9. The flow-adjustable short-circuit hard pipe for the online cabinet operation box is characterized in that a plurality of annular sealing grooves are formed in the outer side wall of one end of the short-circuit pipe, sealing rings are arranged in the annular sealing grooves, and the short-circuit pipe is connected with the inner side wall of one end of the quick-break female head in a sealing mode through the sealing rings.
10. The gas system is characterized by comprising an electromagnetic valve, a gas pipeline and a quick-break male head, and further comprising the flow-adjustable short-circuit hard pipe for the online cabinet operation box according to any one of claims 1 to 9, wherein the electromagnetic valve is arranged in the gas pipeline, one end of the gas pipeline is connected with a gas supply device or is connected to the outer side of the online cabinet operation box, and the other end of the gas pipeline is provided with the quick-break male head matched with the quick-break female head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211719679.0A CN115978320B (en) | 2022-12-30 | 2022-12-30 | Flow-adjustable short-circuit hard tube for online cabinet operation box and gas system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211719679.0A CN115978320B (en) | 2022-12-30 | 2022-12-30 | Flow-adjustable short-circuit hard tube for online cabinet operation box and gas system |
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| CN115978320B CN115978320B (en) | 2024-10-11 |
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| JP3209783U (en) * | 2017-01-26 | 2017-04-06 | 共栄バルブ工業株式会社 | Pipe connection fitting |
| CN210106794U (en) * | 2019-06-25 | 2020-02-21 | 北京美寒机械设备有限公司 | Oil pipe joint |
| CN111006085A (en) * | 2019-12-13 | 2020-04-14 | 上海空间推进研究所 | 24-degree double-seal pipeline connecting piece |
| CN111232253A (en) * | 2020-01-14 | 2020-06-05 | 苏州纳飞卫星动力科技有限公司 | Storage and supply device for solid working medium |
| CN213746119U (en) * | 2020-09-28 | 2021-07-20 | 白城中一精锻股份有限公司 | Automatic blowdown device for gas tank |
| CN215293096U (en) * | 2021-04-06 | 2021-12-24 | 北京美寒机械设备有限公司 | Oil pipe joint |
| CN112978664A (en) * | 2021-04-28 | 2021-06-18 | 中国科学院空间应用工程与技术中心 | Reusable filling device, system and method applied to spacecraft |
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| CN115978320B (en) | 2024-10-11 |
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