CN210265887U - Hydraulic spiral switch for aerospace system - Google Patents
Hydraulic spiral switch for aerospace system Download PDFInfo
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- CN210265887U CN210265887U CN201920923736.4U CN201920923736U CN210265887U CN 210265887 U CN210265887 U CN 210265887U CN 201920923736 U CN201920923736 U CN 201920923736U CN 210265887 U CN210265887 U CN 210265887U
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- valve rod
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- valve
- aerospace system
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Abstract
The utility model provides a hydraulic pressure spiral switch for aerospace system, be in including valve body, valve gap, integral type valve rod and setting operating handle on the integral type valve rod, vertical cavity and intercommunication have been seted up in the valve body are in the liquid channel of vertical cavity bottom, insert the valve gap bottom in the vertical cavity, vertically run through on the valve gap and seted up body of rod passageway, integral type valve rod surface with be provided with the threaded connection section of mutually supporting between the body of rod passageway internal surface, through the advance and retreat of integral type valve rod, integral type valve rod bottom is closed liquid channel or is opened. The hydraulic spiral switch for the aerospace system has the advantages of scientific design, intuitive screwing degree, long service life and convenience in installation.
Description
Technical Field
The utility model relates to a hydraulic pressure screw switch, specific theory has related to a hydraulic pressure screw switch for aerospace system.
Background
A hydraulic screw switch is a hydraulic element widely applied to ground test equipment of an aerospace system and can also be used as a pneumatic switch of the test equipment, as shown in figure 1, the traditional hydraulic screw switch has the following defects that ① a valve rod 15 is connected with a front end plug 16 through threads, a driving mode similar to a ball screw is adopted, the valve rod 15 rotates at a fixed position, the plug 16 is driven to move back and forth to open and close a liquid channel, the mode is inconvenient to observe the specific position of an inner plug, an operator agrees to operate unnecessarily during use, the service life is shortened, when ② is connected with an external pipeline, an adapter needs to be additionally arranged and then connected with a flat nozzle and a union nut, a connecting mechanism is too many, the operation is inconvenient, leakage is easy to occur, the occupied volume is large, when ③ is installed on an equipment panel, the valve body 1 and a valve cover 2 are clamped on a panel hole through a crack, the equipment panel is too thin, the looseness can occur, the equipment panel is too thick, and the valve cover 2 cannot be screwed.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at the not enough of prior art to a hydraulic pressure screw switch for aerospace system that design science, the degree of screwing are directly perceived, long service life, simple to operate is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a hydraulic pressure spiral switch for aerospace system, is in including valve body, valve gap, integral type valve rod and setting operating handle on the integral type valve rod, it is in to have seted up vertical cavity and intercommunication in the valve body the liquid channel of vertical cavity bottom, insert the valve gap bottom in the vertical cavity, vertically run through on the valve gap and seted up body of rod passageway, integral type valve rod surface with be provided with the threaded connection section of mutually supporting between the body of rod passageway internal surface, through the advance and retreat of integral type valve rod, integral type valve rod bottom is closed liquid channel or is opened.
Based on the above, valve body lower part is provided with integrated into one piece's liquid inlet joint and goes out the liquid joint, the liquid inlet joint with it all with liquid channel intercommunication goes out the liquid joint.
Based on the above, integral type valve rod bottom is equipped with back taper shutoff head, the liquid inlet joint is just right back taper shutoff head sets up.
Based on the above, be provided with the installation border of horizontal extension on the valve closure, the mounting border is last to have seted up the fixed orifices.
On the basis, the integrated valve rod is provided with the protruding portion, and the rod body channel is internally provided with the guide sleeve corresponding to the protruding portion.
Based on the above, body of rod passageway upper portion with between the integral type valve rod, the valve gap with all be provided with ring packing between the vertical cavity top.
Compared with the prior art, the utility model has substantive characteristics and progress, in particular to the utility model, the integrated valve rod is matched with the valve cover through the threaded connection section, and the operator can judge the closeness degree of the liquid channel according to the advance and retreat conditions of the integrated valve rod; the liquid inlet joint and the liquid outlet joint are integrally formed and can be directly connected with an external pipeline, so that the number of parts, leakage opportunities and occupied space are reduced; the arrangement of the mounting edge reduces the requirement on the thickness of the equipment panel, and facilitates the mounting with the equipment panel; the two annular sealing rings are arranged, so that the influence of fluid pressure fluctuation on the valve is effectively avoided, and the sealing in a high-pressure state is ensured; the screw has the advantages of scientific design, intuitive screwing degree, long service life and convenience in installation.
Drawings
Fig. 1 is a schematic structural view of a conventional hydraulic screw switch.
Fig. 2 is the structural schematic diagram of the hydraulic screw switch for the middle aerospace system of the present invention.
In the figure: 1. a valve body; 2. a valve cover; 3. an integral valve stem; 4. an operating handle; 5. a liquid channel; 6. a rod body channel; 7. a liquid inlet joint; 8. a liquid outlet joint; 9. installing edges; 10. a fixing hole; 11. a boss portion; 12. a guide sleeve; 13. an annular seal ring; 14. the inverted cone-shaped plugging head; 15. a valve stem; 16. and (7) a plug.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 2, a hydraulic screw switch for an aerospace system comprises a valve body 1, a valve cover 2, an integrated valve rod 3 and an operating handle 4 arranged on the integrated valve rod 3, wherein a longitudinal cavity and a liquid channel 5 communicated with the bottom of the longitudinal cavity are formed in the valve body 1, the bottom of the valve cover 2 is inserted into the longitudinal cavity, a rod body channel 6 is longitudinally formed in the valve cover 2 in a penetrating manner, threaded connection sections matched with each other are arranged between the outer surface of the integrated valve rod 3 and the inner surface of the rod body channel 6, the integrated valve rod 3 can integrally advance and retreat in the rod body channel 6 by rotating the operating handle 4, and the liquid channel 5 is closed or opened at the bottom of the integrated valve rod 3 by advancing and retreating the integrated valve rod 3.
The lower part of the valve body 1 is provided with an integrally formed liquid inlet joint 7 and a liquid outlet joint 8, the liquid inlet joint 7 and the liquid outlet joint 8 are both communicated with the liquid channel 5, the bottom of the integrated valve rod 3 is provided with an inverted cone-shaped plugging head 14, and the liquid inlet joint 7 is arranged right opposite to the inverted cone-shaped plugging head 14; during the use, liquid inlet joint 7 and play liquid joint 8 can the external pipeline of lug connection, and through the precession of integral type valve rod 3, 14 pointed ends of back taper shutoff head stretch into liquid inlet joint 7 in, and the outer conical surface shutoff of back taper shutoff head 14 is at liquid inlet joint 7 top, closes liquid channel 5.
In order to facilitate installation on an equipment panel, a transversely extending installation edge 9 is arranged on the valve cover 3, and a fixing hole 10 is formed in the installation edge 9; during installation, the valve body 1 is inserted through an installation hole on an equipment panel, the installation edge 9 is supported on the equipment panel, and nails or screws are inserted through the fixing holes 10 to fix the valve body and the equipment panel.
In order to ensure the coaxiality, a protruding part 11 is arranged on the integrated valve rod 3, and a guide sleeve 12 is arranged in the rod body channel 6 corresponding to the protruding part 11.
The working principle is as follows: firstly, the valve body 1 is fixed with the equipment panel by penetrating through the mounting hole on the equipment panel and penetrating through the fixing hole 10 by using a nail or a screw; then, the liquid inlet joint 7 and the liquid outlet joint 8 are directly connected with an external pipeline; finally, through the rotary operation handle 4, the whole body of integral type valve rod 3 advances and retreats in body of rod passageway 6, and the operator judges the degree of screwing according to the volume of advancing of revolving of integral type valve rod 3, can mark the volume of advancing soon even on integral type valve rod 3, makes the observation more directly perceived, avoids unnecessary operation, increase of service life.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (6)
1. The utility model provides a hydraulic pressure spiral switch for aerospace system which characterized in that: including valve body, valve gap, integral type valve rod and setting be in operating handle on the integral type valve rod, it is in to have seted up vertical cavity and intercommunication in the valve body the liquid passage of vertical cavity bottom, the valve gap bottom is inserted in vertical cavity, vertically run through on the valve gap and seted up body of rod passageway, integral type valve rod surface with be provided with the threaded connection section of mutually supporting between the body of rod passageway internal surface, through the advance and retreat of integral type valve rod, the integral type valve rod bottom is closed or is opened liquid passage.
2. The aerospace system hydraulic solenoid switch of claim 1, wherein: the lower part of the valve body is provided with an integrally formed liquid inlet joint and a liquid outlet joint, and the liquid inlet joint and the liquid outlet joint are communicated with the liquid channel.
3. The aerospace system hydraulic solenoid switch of claim 2, wherein: the integrated valve rod is characterized in that an inverted cone-shaped plugging head is arranged at the bottom of the integrated valve rod, and the liquid inlet connector is arranged right opposite to the inverted cone-shaped plugging head.
4. A hydraulic screw switch for an aerospace system according to any one of claims 1-3, wherein: the valve cover is provided with a transversely extending mounting edge, and the mounting edge is provided with a fixing hole.
5. The aerospace system hydraulic solenoid switch of claim 4, wherein: the integrated valve rod is provided with a protruding portion, and a guide sleeve is arranged in the rod body channel corresponding to the protruding portion.
6. A hydraulic screw switch for an aerospace system according to any one of claims 1, 2, 3 or 5, wherein: and annular sealing rings are arranged between the upper part of the rod body channel and the integrated valve rod and between the valve cover and the top of the longitudinal cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920923736.4U CN210265887U (en) | 2019-06-19 | 2019-06-19 | Hydraulic spiral switch for aerospace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920923736.4U CN210265887U (en) | 2019-06-19 | 2019-06-19 | Hydraulic spiral switch for aerospace system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265887U true CN210265887U (en) | 2020-04-07 |
Family
ID=70043353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920923736.4U Active CN210265887U (en) | 2019-06-19 | 2019-06-19 | Hydraulic spiral switch for aerospace system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210265887U (en) |
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2019
- 2019-06-19 CN CN201920923736.4U patent/CN210265887U/en active Active
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