CN204784774U - Automatic pressure -equalizing device of oil pressure passageway mark school equipment flies to join - Google Patents

Automatic pressure -equalizing device of oil pressure passageway mark school equipment flies to join Download PDF

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Publication number
CN204784774U
CN204784774U CN201520443545.XU CN201520443545U CN204784774U CN 204784774 U CN204784774 U CN 204784774U CN 201520443545 U CN201520443545 U CN 201520443545U CN 204784774 U CN204784774 U CN 204784774U
Authority
CN
China
Prior art keywords
equalizing valve
pressure equalizing
oil pressure
calibration equipment
axostylus axostyle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520443545.XU
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Chinese (zh)
Inventor
周玉平
邸亚洲
周胜明
马强
袁涛
姚凌虹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Campus of Naval Aviation University of PLA
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Qingdao Campus of Naval Aviation University of PLA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Qingdao Campus of Naval Aviation University of PLA filed Critical Qingdao Campus of Naval Aviation University of PLA
Priority to CN201520443545.XU priority Critical patent/CN204784774U/en
Application granted granted Critical
Publication of CN204784774U publication Critical patent/CN204784774U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an automatic pressure -equalizing device of oil pressure passageway mark school equipment flies to join, includes that the equalizing valve presses cap, first sealing washer, equalizing valve shell, holding screw, seal ring, voltage -sharing disk seat, first spring, second sealing washer, pneumatic valve axostylus axostyle and second spring, the interior intracavity that the cap was pressed to the equalizing valve is located to the pneumatic valve axostylus axostyle, and the one end of pneumatic valve axostylus axostyle and equalizing valve are equipped with the second spring between according to the cap, is equipped with first spring and second sealing washer between the other end of pneumatic valve axostylus axostyle and the voltage -sharing disk seat. The utility model provides a reliable and simple does not change the automatic pressure -equalizing device of oil pressure passageway mark school equipment flies to join of original technological state, and the oiling fuseplug that was originally replacing on the original equipment is female, solves user of service and forgets easily and close the oiling mouth or do not tighten the oiling mouth, can not realize the problem of voltage -sharing voluntarily.

Description

A kind of automatically equalizing voltage device flying ginseng oil pressure passage calibration equipment
Technical field
The present invention relates to a kind of automatically equalizing voltage device.
Background technique
In recent years, FDR system is equipped rapidly aboard, record the parameter of the oil pressure such as lubricating oil, fuel oil, hydraulic pressure, moment of torsion in FDR system, these parameters play more and more important effect in the diagnosis and forecasting of assisting in flying accident investigation, engineering maintenance guarantee, flight training quality evaluation, fault.But the confidence level of these parameters and accuracy directly can affect the application of air data.Therefore, need often pressure to carry out to relevant FDR system oil pressure passage data acquisition channel given with calibration.For this reason, claimant had once applied for a kind of aerocraft flying parameter scoring system oil pressure passage numerical value calibration device (application number 201218000909.9), by circuit systems such as pressure sensor module, fuel tank, oil pump, relief valve, pipe interfaces, the module compositions such as amplification module, A/D modular converter, singlechip CPU, amplification module, display modular and power supply, on-the-spot can realize accurately given, the measurement and display of oil pressure parameter, for the precise calibration realizing flying to join oil pressure passage provides equipment guarantee.
Fly to join oil pressure passage calibration equipment is integrated into inside a suitcase in the process implemented, user of service is needed to open oil pressure unit pouring orifice at work, its fuel tank and ambient atmosphere are all pressed, given with calibration precision to improve oil pressure, the pouring orifice that after use terminates, user of service should open on request is closed, and prevents leakage of oil.But, in long-term using process, find that part user of service easily forgets close pouring orifice or do not tighten pouring orifice, create oil leakage phenomenon, because fluid stream is at panel and device interior, be easy to damage and fly ginseng oil pressure passage calibration equipment, have impact on quality and the usefulness of calibration.
Summary of the invention
For the above-mentioned defect existed in prior art, the technical problem to be solved in the present invention is: provide a kind of simple, do not change the automatically equalizing voltage device flying to join oil pressure passage calibration equipment of original state of the art, carry out original position and replace pouring orifice nut on original equipment, solve user of service and easily forget and close pouring orifice or do not tighten pouring orifice, automatically can not realize the problem of all pressing.
The technical solution adopted for the present invention to solve the technical problems is:
Fly an automatically equalizing voltage device of joining oil pressure passage calibration equipment, comprise pressure equalizing valve by cap, the first seal ring, pressure equalizing valve shell, Cock screw, seal washer, pressure equalizing valve seat, the first spring, the second seal ring, air valve axostylus axostyle and the second spring; Described pressure equalizing valve is located in the cylindrical cavity of pressure equalizing valve shell by cap, is provided with the first seal ring between the two; The external cylindrical surface of described pressure equalizing valve seat is provided with outside thread, and pressure equalizing valve seat and pressure equalizing valve shell are together by a threaded connection, and is provided with Cock screw and fixes relative rotation between pressure equalizing valve shell and pressure equalizing valve seat; The inner circular cylinder of described pressure equalizing valve seat is provided with through hole and internal thread, and described internal thread is used for being connected with the pouring orifice outside thread flying to join oil pressure passage calibration equipment, and the processing length of described internal thread runs through whole cylndrical surface; Described air valve axostylus axostyle is located at pressure equalizing valve by the inner chamber of cap, and one end of air valve axostylus axostyle and pressure equalizing valve, by being provided with the second spring between cap, are provided with the first spring and the second seal ring between the other end of air valve axostylus axostyle and pressure equalizing valve seat; Described seal washer is located in the draw-in groove of pressure equalizing valve seat, and shape is cylindric, and the hole of the diameter being not more than air valve axostylus axostyle axle head is offered in centre;
As improvement of the present invention, for the ease of preventing leakage of oil when combustion gas and guarantee suitcase case lid cover suitcase completely better, described through hole is arranged on the middle part of inner circular cylinder.
As a further improvement on the present invention, on the one hand for the ease of the dismounting of the present invention itself, on the other hand for the ease of gripping the present invention to be installed on the pouring orifice that flies to join oil pressure passage calibration equipment, described pressure equalizing valve shell and pressure equalizing valve seat are all provided with hatching knurling.
Further improve as of the present invention, in order to ensure good oil sealing effect, described first seal ring arranges at least two.
Further improve as of the present invention, in order to ensure good oil sealing effect, the material of described seal washer adopts rubber, thickness more than 3 millimeters.
A kind of using method flying the automatically equalizing voltage device of joining oil pressure passage calibration equipment, it is characterized in that comprising the steps: that (1) is by gripping the hatching knurling face on pressure equalizing valve shell, the present invention being installed on the pouring orifice that flies to join oil pressure passage calibration equipment; (2), when shutting the suitcase case lid flying to join oil pressure passage calibration equipment gradually, first suitcase case lid contacts pressure equalizing valve by cap and to start to oppress pressure equalizing valve descending by cap; (3) the suitcase case lid elastic force that overcomes the second spring by cap with pressure equalizing valve is descending until its internal surface touches air valve axostylus axostyle; (4) suitcase case lid with pressure equalizing valve press the gentle valve shaft lever of cap continue descending, overcome the elastic force of the second spring and the first spring simultaneously; (5) when suitcase case lid covers suitcase completely, air valve axostylus axostyle should block the center hole of seal washer completely, and excessive gas is discharged by pressure equalizing valve seat internal thread and through hole; (6) when needs use flies ginseng oil pressure passage calibration equipment, open suitcase case lid, under the effect of the second spring and the first spring, pressure equalizing valve is ejected by the gentle valve shaft lever of cap, ambient atmosphere is by the gap inletting device of each parts, and enter pouring orifice by the center hole of seal washer, fuel tank and ambient atmosphere are all pressed.
Compared with prior art, the present invention has simple, does not change and flies to join the original state of the art of oil pressure passage calibration equipment and the feature that can realize preventing leakage of oil and automatically equalizing voltage
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of two-dimensional cross section flying to join under the automatically equalizing voltage device aeration status of oil pressure passage calibration equipment;
Fig. 2 be a kind of fly to join under the automatically equalizing voltage device aeration status of oil pressure passage calibration equipment three-dimensional section view;
Fig. 3 is a kind of two-dimensional cross section when flying the automatically equalizing voltage device sealing state of joining oil pressure passage calibration equipment.
Embodiment
For making the object of the embodiment of the present invention, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1,2 and 3, fly an automatically equalizing voltage device of joining oil pressure passage calibration equipment, comprise pressure equalizing valve by cap 1, first seal ring 2, pressure equalizing valve shell 3, Cock screw 4, seal washer 5, pressure equalizing valve seat 6, first spring 7, second seal ring 8, air valve axostylus axostyle 9 and the second spring 10; Pressure equalizing valve is located in the cylindrical cavity of pressure equalizing valve shell 3 by cap 1, is provided with the first seal ring 2 between the two; The external cylindrical surface 63 of pressure equalizing valve seat 6 is provided with outside thread, pressure equalizing valve seat 6 and pressure equalizing valve shell 3 are together by a threaded connection, and be provided with Cock screw 4 and fix relative rotation between pressure equalizing valve shell 3 and pressure equalizing valve seat 6, during to ensure that automatically equalizing voltage device is installed on pouring orifice outside thread, pressure equalizing valve shell 3 and pressure equalizing valve seat 6 can be consolidated into and rotate integrally; The inner circular cylinder 62 of pressure equalizing valve seat 6 is provided with through hole 61 and internal thread, and internal thread is used for being connected with the pouring orifice outside thread flying to join oil pressure passage calibration equipment, and the processing length of internal thread runs through whole cylndrical surface 62; Be convenient to pressure equalizing valve when being pressed by cap 1, residual gas is drained from through hole 61 by the gap be threaded, and to rise bad automatically equalizing voltage device with the phenomenon that prevents to feel suffocated.Air valve axostylus axostyle 9 is located in the inner chamber of pressure equalizing valve by cap 1, and one end of air valve axostylus axostyle 9 and pressure equalizing valve, by being provided with the second spring 10 between cap 1, are provided with the first spring 7 and the second seal ring 8 between the other end of air valve axostylus axostyle and pressure equalizing valve seat 6; Seal washer 5 is located in the draw-in groove of pressure equalizing valve seat 6, and shape is cylindric, and the hole of the diameter being not more than air valve axostylus axostyle axle head 91 is offered in centre;
The present invention flies to join the pouring orifice nut on oil pressure passage calibration equipment by replacing, do not change the state of the art originally flying to join oil pressure passage calibration equipment, solve user of service easily to forget and close pouring orifice or do not tighten pouring orifice and automatically can not realize the technical problem of all pressing, have simple, do not change and fly to join the original state of the art of oil pressure passage calibration equipment and the feature that can realize preventing leakage of oil and automatically equalizing voltage.
As improvement of the present invention, prevent leakage of oil for the ease of realizing better when all pressing and ensure that suitcase case lid covers suitcase completely, through hole 61 is arranged on the middle part of inner circular cylinder 62, and diameter is not more than the twice of thread pitch on inner circular cylinder 62.As a further improvement on the present invention, on the one hand for the ease of the dismounting of the present invention itself, on the other hand for the ease of gripping the present invention to be installed on the pouring orifice that flies to join oil pressure passage calibration equipment, pressure equalizing valve shell 3 and pressure equalizing valve seat 6 are all provided with hatching knurling.Further improve as of the present invention, in order to ensure good oil sealing effect, the first seal ring 2 arranges at least two.Further improve as of the present invention, in order to ensure good oil sealing effect, the material of seal washer 5 adopts rubber, thickness more than 3 millimeters.
Working principle of the present invention and using method as follows:
A the present invention, by gripping the hatching knurling face on pressure equalizing valve shell 3, is installed on the pouring orifice that flies to join oil pressure passage calibration equipment (being located in the casing of suitcase) by ();
When () shuts the suitcase case lid flying to join oil pressure passage calibration equipment gradually b, first suitcase case lid contacts pressure equalizing valve by cap 1 and to start to oppress pressure equalizing valve descending by cap 1;
C elastic force that () suitcase case lid overcomes the second spring 10 with pressure equalizing valve by cap 1 is descending until its internal surface 11 touches air valve axostylus axostyle 9;
D () suitcase case lid continues descending with pressure equalizing valve by the gentle valve shaft lever of cap 19, overcome the elastic force of the second spring 10 and the first spring 7 simultaneously;
When () suitcase case lid covers suitcase completely e, air valve axostylus axostyle 9 should block the center hole of seal washer 5 completely, and excessive gas is discharged by pressure equalizing valve seat 6 internal thread and through hole 61;
What Fig. 3 showed is the state that air valve axostylus axostyle 9 enters the center hole of seal washer 5 completely, even if the diameter of air valve axostylus axostyle axle head 91 equals the aperture of the center hole of seal washer 5 in practice, due to machining error and the existence of expanding with heat and contract with cold, air valve axostylus axostyle 9 not necessarily can enter the center hole of seal washer 5, but this does not affect the effect of the center hole oil sealing of air valve axostylus axostyle 9 pairs of seal washers 5.
Be proven, pressure equalizing valve arranges by the shape of the gentle valve shaft lever of cap 19 and two place's seal rings (it is completely oil-proof in the process of transport that the first seal ring 2 and the second seal ring 8 well can ensure to fly to join oil pressure passage calibration equipment.
F () is when needs use flies ginseng oil pressure passage calibration equipment, open suitcase case lid, under the effect of the second spring 10 and the first spring 7, pressure equalizing valve is ejected by the gentle valve shaft lever 9 of cap 1, ambient atmosphere is by the gap inletting device of each parts, and enter pouring orifice by the center hole of seal washer 5, fuel tank and ambient atmosphere are all pressed.
Last it is noted that above embodiment is only in order to illustrate technological scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme.

Claims (9)

1. fly an automatically equalizing voltage device of joining oil pressure passage calibration equipment, it is characterized in that:
Comprise pressure equalizing valve by cap (1), the first seal ring (2), pressure equalizing valve shell (3), Cock screw (4), seal washer (5), pressure equalizing valve seat (6), the first spring (7), the second seal ring (8), air valve axostylus axostyle (9) and the second spring (10);
Described pressure equalizing valve is located in the cylindrical cavity of pressure equalizing valve shell (3) by cap (1), is provided with the first seal ring (2) between the two;
The external cylindrical surface (63) of described pressure equalizing valve seat (6) is provided with outside thread, pressure equalizing valve seat (6) and pressure equalizing valve shell (3) are together by a threaded connection, and are provided with Cock screw (4) and fix relative rotation between pressure equalizing valve shell (3) and pressure equalizing valve seat (6);
The inner circular cylinder (62) of described pressure equalizing valve seat (6) is provided with through hole (61) and internal thread, described internal thread is used for being connected with the pouring orifice outside thread flying to join oil pressure passage calibration equipment, and the processing length of described internal thread runs through whole cylndrical surface (62);
Described air valve axostylus axostyle (9) is located in the inner chamber of pressure equalizing valve by cap (1), one end of air valve axostylus axostyle (9) and pressure equalizing valve are provided with the second spring (10) by between cap (1), are provided with the first spring (7) and the second seal ring (8) between the other end of air valve axostylus axostyle and pressure equalizing valve seat (6);
Described seal washer (5) is located in the draw-in groove of pressure equalizing valve seat (6), and shape is cylindric, and the hole of the diameter being not more than air valve axostylus axostyle axle head (91) is offered in centre.
2. a kind ofly as claimed in claim 1 fly the automatically equalizing voltage device of joining oil pressure passage calibration equipment, it is characterized in that: wherein said through hole (61) is arranged on the middle part of inner circular cylinder (62).
3. a kind ofly as claimed in claim 1 or 2 fly the automatically equalizing voltage device of joining oil pressure passage calibration equipment, it is characterized in that: wherein said pressure equalizing valve shell (3) and pressure equalizing valve seat (6) are all provided with hatching knurling.
4. a kind ofly as claimed in claim 1 or 2 fly the automatically equalizing voltage device of joining oil pressure passage calibration equipment, it is characterized in that: wherein said first seal ring (2) arranges at least two.
5. a kind ofly as claimed in claim 3 fly the automatically equalizing voltage device of joining oil pressure passage calibration equipment, it is characterized in that: wherein said first seal ring (2) arranges at least two.
6. a kind ofly as claimed in claim 1 or 2 fly the automatically equalizing voltage device of joining oil pressure passage calibration equipment, it is characterized in that: the material of wherein said seal washer (5) adopts rubber, thickness more than 3 millimeters.
7. a kind ofly as claimed in claim 3 fly the automatically equalizing voltage device of joining oil pressure passage calibration equipment, it is characterized in that: the material of wherein said seal washer (5) adopts rubber, thickness more than 3 millimeters.
8. a kind ofly as claimed in claim 4 fly the automatically equalizing voltage device of joining oil pressure passage calibration equipment, it is characterized in that: the material of wherein said seal washer (5) adopts rubber, thickness more than 3 millimeters.
9. a kind ofly as claimed in claim 5 fly the automatically equalizing voltage device of joining oil pressure passage calibration equipment, it is characterized in that: the material of wherein said seal washer (5) adopts rubber, thickness more than 3 millimeters.
CN201520443545.XU 2015-06-25 2015-06-25 Automatic pressure -equalizing device of oil pressure passageway mark school equipment flies to join Expired - Fee Related CN204784774U (en)

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Application Number Priority Date Filing Date Title
CN201520443545.XU CN204784774U (en) 2015-06-25 2015-06-25 Automatic pressure -equalizing device of oil pressure passageway mark school equipment flies to join

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520443545.XU CN204784774U (en) 2015-06-25 2015-06-25 Automatic pressure -equalizing device of oil pressure passageway mark school equipment flies to join

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104948751A (en) * 2015-06-25 2015-09-30 中国人民解放军海军航空工程学院青岛校区 Automatic pressure equalizing device for flight parameter oil pressure channel calibration equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104948751A (en) * 2015-06-25 2015-09-30 中国人民解放军海军航空工程学院青岛校区 Automatic pressure equalizing device for flight parameter oil pressure channel calibration equipment

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151118

Termination date: 20170625