CN213579909U - Static pressure airtight test auxiliary device of full static pressure sensor - Google Patents
Static pressure airtight test auxiliary device of full static pressure sensor Download PDFInfo
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- CN213579909U CN213579909U CN202023152081.7U CN202023152081U CN213579909U CN 213579909 U CN213579909 U CN 213579909U CN 202023152081 U CN202023152081 U CN 202023152081U CN 213579909 U CN213579909 U CN 213579909U
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Abstract
The utility model discloses an airtight test auxiliary device of static pressure of full static pressure sensor relates to aircraft instrument field, include: the base, the base is the inside hollow columnar structure of both ends opening, set up the through-hole that is used for holding pressure spigot on the base, the one end of pressure spigot inserts and fixes in the through-hole, the other end of pressure spigot is used for the intercommunication to provide the airtight check out test set of air supply, the both ends tip of base is provided with rotatory blanking cover respectively, rotatory blanking cover spiro union is in the both ends of base, rotatory blanking cover with be provided with seal assembly between the base. The utility model discloses can inspect the static pressure gas tightness of full static pressure sensor alone, discover the full static pressure sensor that the gas tightness became invalid, can improve work efficiency, used repeatedly practices thrift the cost.
Description
Technical Field
The utility model relates to an aircraft instrument field especially relates to an airtight test auxiliary device of static pressure of full static pressure sensor.
Background
The full static pressure sensors are generally arranged on two sides of the root part of an airplane radome and used for sensing the full pressure and the static pressure when the airplane flies so as to be supplied to instruments and equipment of an atmospheric data system on the airplane for use, the airtightness performance of the static pressure system needs to be checked when the full static pressure sensors are repaired or checked, when the static pressure airtightness of the full static pressure sensors fails, the atmospheric data measurement is inaccurate when the airplane flies, the airplane flies safely in crisis, the types and the types of the full static pressure sensors are more, the principles and the structures are the same and are all composed of the full pressure system, the static pressure system and a heating system, a static pressure nozzle is directly led out from a static pressure chamber in the full static pressure sensors by a pipeline, the nozzle is sealed after being led out, the nozzle is of an integrated structure after being.
At present, a tool for independent test is not used for static pressure airtightness of a full static pressure sensor, when the static pressure airtightness of the full static pressure sensor is checked, a static pressure sensing hole needs to be sealed by an adhesive tape, air leakage is easy to occur when the adhesive tape is sealed and pressurized, when the test air leakage occurs, whether a product fails or a test method fails cannot be judged quickly and accurately, when the adhesive tape is sealed and disassembled, time is wasted, the environment is not protected, the product cannot be recycled, the risk of excessive materials in the product exists, and the effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of relevant product among the prior art, the utility model provides a static pressure airtight test auxiliary device of full static pressure sensor uses the sealed hole that leaks of sticky tape and presses the sense orifice entirely when solving current inspection static pressure gas tightness, and the time-consuming environmental protection not that leads to can not reuse, and the not good technical problem of effect.
The utility model provides a complete airtight test auxiliary device of static pressure sensor, include: the base is a hollow columnar structure with openings at two ends, a through hole for accommodating the pressure nozzle is arranged on the base, one end of the pressure connecting nozzle is inserted into and fixed in the through hole, the other end of the pressure connecting nozzle is used for being communicated with air tightness detection equipment for providing an air source, the end parts of the two ends of the base are respectively provided with a rotary plug cover which is screwed on the two ends of the base, a sealing component is arranged between the rotary plug cover and the base, a containing groove for containing the sealing component is arranged inside two ends of the base, the sealing assembly is placed in the containing groove, one end of the sealing assembly is supported on the containing groove, the other end of the sealing component extends out of the base and extends outwards, one end of the rotary plugging cover penetrates through the sealing component and is in threaded connection with the base, and the other end of the rotary plugging cover is supported on the sealing component in a propping mode.
In some embodiments of the present invention, a sealing gasket is disposed between the base and the pressure nozzle, and the pressure nozzle passes through the sealing gasket and is fixedly disposed on the base.
The utility model discloses an in some embodiments, seal assembly keeps away from L type recess has been seted up to the one end tip of storage tank, rotatory blanking cover is placed in the L type recess, and with L type recess top is held the setting.
The utility model discloses an in some embodiments, seal assembly includes thin sealed pad, soft seal pad and annular cushion, thin sealed pad, soft seal pad and annular cushion are placed in proper order in the storage tank, thin sealed pad place in the bottom of storage tank and with the storage tank laminating, be provided with on the thin sealed pad the soft seal pad, the one end laminating of soft seal pad is in on the thin sealed pad, the other end top of soft seal pad is held and is provided with annular cushion, the one end top of annular cushion is held soft seal pad is gone up and is placed in the storage tank, the other end of annular cushion is worn out the storage tank extends outwards, the annular cushion is kept away from the one end tip of storage tank has been seted up L type recess.
In some embodiments of the present invention, the accommodating groove is further provided with a first supporting portion facing the thin sealing pad.
In some embodiments of the present invention, the annular cushion block is provided with a second abutting portion toward one end of the soft gasket.
In some embodiments of the present invention, the first supporting portion and the second supporting portion have a V-shaped cross section.
In some embodiments of the present invention, the first supporting portion and the accommodating groove are integrally formed.
In some embodiments of the present invention, the second supporting portion is integrally formed with the annular cushion block.
In some embodiments of the present invention, the two sides of the rotating plug cover are symmetrically provided with a rotating handle which is convenient to hold, and the rotating handle is sleeved with an anti-slip cover.
Compared with the prior art, the utility model discloses there is following advantage:
the embodiment of the utility model provides a static pressure airtight test auxiliary device of full static pressure sensor can inspect the static pressure gas tightness of full static pressure sensor alone, discovers the full static pressure sensor that the gas tightness became invalid, can improve work efficiency, used repeatedly practices thrift the cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the sectional structure schematic diagram of the static pressure airtight test auxiliary device of the full static pressure sensor of the utility model.
Description of reference numerals:
1-base, 11-containing groove, 111-first top holding part, 2-pressure nozzle, 3-rotary plug cover, 31-rotary handle, 4-sealing component, 41-thin sealing gasket, 42-soft sealing gasket, 43-annular cushion block, 431-second top holding part and 5-L-shaped groove.
Detailed Description
In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. It is to be understood that the embodiments described are merely exemplary of the invention, and that no limitations are intended to the details of construction or design herein shown. The present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for the purpose of providing a more thorough understanding of the present disclosure.
Referring to fig. 1, the static pressure airtight test auxiliary device of the total static pressure sensor comprises a base 1, wherein the base 1 is a columnar structure with two open ends and a hollow interior, a through hole for accommodating a pressure nozzle 2 is formed in the base 1, one end of the pressure nozzle 2 is inserted and fixed in the through hole, the other end of the pressure nozzle 2 is used for communicating an airtight detection device for providing an air source, two end parts of the base 1 are respectively provided with a rotary blocking cover 3, the inner wall of the rotary blocking cover 3 is provided with an internal thread, two end parts of the base 1 are provided with matched external threads, the rotary blocking covers 3 are in threaded connection with two ends of the base 1, a sealing component 4 is arranged between the rotary blocking cover 3 and the base 1, two end parts of the base 1 are internally provided with accommodating grooves 11 for accommodating the sealing component 4, the sealing assembly 4 is placed in the containing groove 11, one end of the sealing assembly 4 is supported on the containing groove 11, the other end of the sealing assembly 4 extends out of the base 1 and extends outwards, one end of the rotary plugging cover 3 penetrates through the sealing assembly 4 in a threaded connection mode on the base 1, and the other end of the rotary plugging cover 3 is supported on the sealing assembly 4 in a supporting mode.
In the embodiment of the present invention, the base 1 and the pressure nozzle 2 are provided with a sealing gasket therebetween, the pressure nozzle 2 passes through the sealing gasket is fixedly disposed on the base 1.
The embodiment of the utility model provides an in, seal assembly 4 keeps away from L type recess 5 has been seted up to the one end tip of storage tank 11, rotatory blanking cover 3 is placed in L type recess 5, and with the setting is held on L type recess top.
The sealing assembly 4 comprises a thin sealing gasket 41, a soft sealing gasket 42 and an annular gasket 43, the thin sealing gasket 41, the soft sealing gasket 42 and the annular gasket 43 are sequentially arranged in the accommodating groove 11, the thin sealing gasket 41 is arranged at the bottom end of the accommodating groove 11 and is attached to the accommodating groove 11, the soft sealing gasket 42 is arranged on the thin sealing gasket 41, one end of the soft sealing gasket 42 is attached to the thin sealing gasket 41, the annular gasket 43 is arranged at the other end of the soft sealing gasket 42 in an abutting mode, one end of the annular gasket 43 is arranged on the soft sealing gasket 42 in an abutting mode and is arranged in the accommodating groove 11, the other end of the annular gasket 43 penetrates out of the accommodating groove 11 and extends outwards, the end part of one end, away from the accommodating groove 11, of the annular gasket 43 is provided with an L-shaped groove 5, one end of the rotary blocking cover 3 penetrates through the annular gasket 43 and is screwed on, the other end of the rotary plugging cover 3 is placed in the L-shaped groove 5 and is supported by the L-shaped groove.
In the embodiment of the present invention, the orientation is further disposed in the receiving groove 11, the first supporting portion 111 of the thin sealing gasket 41 is used for supporting the first supporting portion 111 when screwing the rotary plug 3, the thin sealing gasket 41 is oriented to the extrusion of the receiving groove 11, and the supporting effect of the first supporting portion 111 is utilized to make the thin sealing gasket 41 deform to both sides, thereby enhancing the sealing effect better.
In the embodiment of the present invention, the annular cushion block 43 faces the one end of the soft sealing gasket 42 is provided with the second supporting portion 431, the second supporting portion 431 is used for supporting when screwing the rotary plug cap 3, the annular cushion block 43 faces the extrusion of the soft sealing gasket 42, through the supporting action of the second supporting portion 431, the soft sealing gasket 42 is deformed to both sides, and the sealing effect can be better enhanced.
In the embodiment of the present invention, the cross section of the first supporting portion 111 and the cross section of the second supporting portion 431 are both V-shaped structures, and when the screw is screwed to the rotary plug cover 3, the bottom tips of the first supporting portion 111 and the second supporting portion 431 are respectively supported by the thin sealing gasket 41 and the soft sealing gasket 42, so that the thin sealing gasket 41 and the soft sealing gasket 42 are deformed to two sides, and the sealing effect can be better enhanced.
In the embodiment of the present invention, the first supporting portion 111 and the accommodating groove 11 are integrally formed.
In the embodiment of the present invention, the second supporting portion 431 and the annular cushion 43 are integrally formed.
The embodiment of the utility model provides an in, the bilateral symmetry of rotatory blanking cover 3 is provided with the rotatory handle 31 of conveniently controlling, the antiskid cover has been cup jointed on the rotatory handle 31, the antiskid cover is used for increasing frictional force, and is convenient to handle.
Complete airtight test auxiliary device of static pressure sensor's concrete working process as follows:
when in use, the sealing gasket is put into the through hole in the middle of the base 1, the pressure connector 2 penetrates through the sealing gasket and is fixed on the base 1, the sealing gasket is screwed tightly and sealed, the thin sealing gasket 41, the soft sealing gasket 42 and the annular cushion block 43 are sequentially put into the accommodating groove 11, the rotary plugging cover 3 penetrates through the annular cushion block 43 and is screwed on the base 1, the other end of the annular cushion block 43 is supported on the rotary plugging cover 3, the to-be-tested total static pressure sensor sequentially penetrates through the rotary plugging cover 3, the annular cushion block 43, the soft sealing gasket 42 and the thin sealing gasket 41 from bottom to top, enters the middle of the inner cavity of the base 5, the rotary plugging cover 3 is screwed, so that the annular cushion block 43, the soft sealing gasket 42 and the thin sealing gasket 41 act on the to-be-tested total static pressure sensor to form a lower sealing cavity with the base 1, achieving the airtight effect.
Those not described in detail in this specification are within the skill of the art. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent replacements may be made for some of the technical features of the embodiments. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.
Claims (10)
1. A static pressure airtight test auxiliary device of full static pressure sensor, characterized by includes: the base (1), the base (1) is a hollow columnar structure with two open ends, a through hole for accommodating the pressure nozzle (2) is formed in the base (1), one end of the pressure nozzle (2) is inserted into and fixed in the through hole, the other end of the pressure nozzle (2) is used for communicating with airtight detection equipment providing an air source, the two end parts of the base (1) are respectively provided with a rotary plugging cover (3), the rotary plugging covers (3) are in threaded connection with the two ends of the base (1), a sealing component (4) is arranged between the rotary plugging cover (3) and the base (1), an accommodating groove (11) for accommodating the sealing component (4) is formed in the two ends of the base (1), the sealing component (4) is placed in the accommodating groove (11), one end of the sealing component (4) is supported on the accommodating groove (11), the other end of the sealing component (4) stretches out the base (1) and extends outwards, one end of the rotary plugging cover (3) penetrates through the sealing component (4) and is in threaded connection with the base (1), and the other end of the rotary plugging cover (3) is supported against the sealing component (4).
2. The static pressure airtightness test auxiliary apparatus for a total static pressure sensor according to claim 1, wherein: the base (1) with be provided with sealed the pad between pressure connector (2), pressure connector (2) pass sealed pad is fixed to be set up on base (1).
3. The static pressure airtightness test auxiliary apparatus for a total static pressure sensor according to claim 1, wherein: the sealing assembly (4) is far away from one end part of the accommodating groove (11), an L-shaped groove (5) is formed in the end part of the.
4. The static pressure airtightness test auxiliary apparatus for a total static pressure sensor according to claim 3, wherein: seal assembly (4) are including thin sealed pad (41), soft seal pad (42) and annular cushion (43), thin sealed pad (41), soft seal pad (42) and annular cushion (43) are placed in proper order in storage tank (11), thin sealed pad (41) place in the bottom of storage tank (11) and with storage tank (11) laminating, be provided with on thin sealed pad (41) soft seal pad (42), the one end laminating of soft seal pad (42) is in on thin sealed pad (41), the other end top of soft seal pad (42) is held and is provided with annular cushion (43), the one end top of annular cushion (43) is held soft seal pad (42) are gone up and are placed in storage tank (11), the other end of annular cushion (43) is worn out storage tank (11) and outside extension, annular cushion (43) are kept away from the one end tip of storage tank (11) has been seted up L type recess (5).
5. The static pressure airtightness test auxiliary apparatus for a total static pressure sensor according to claim 4, wherein: a first jacking portion (111) facing the thin sealing gasket (41) is further arranged in the accommodating groove (11).
6. The static pressure airtightness test auxiliary apparatus for a total static pressure sensor according to claim 5, wherein: and a second jacking part (431) is arranged at one end, facing the soft sealing gasket (42), of the annular cushion block (43).
7. The static pressure airtightness test auxiliary apparatus for a total static pressure sensor according to claim 6, wherein: the cross sections of the first supporting part (111) and the second supporting part (431) are both V-shaped structures.
8. The static pressure airtightness test auxiliary apparatus for a total static pressure sensor according to claim 5, wherein: the first supporting part (111) and the accommodating groove (11) are integrally formed.
9. The static pressure airtightness test auxiliary apparatus for a total static pressure sensor according to claim 6, wherein: the second supporting portion (431) and the annular cushion block (43) are integrally formed.
10. The static pressure airtightness test auxiliary apparatus for a total static pressure sensor according to claim 1, wherein: the two sides of the rotary plugging cover (3) are symmetrically provided with rotary handles (31) which are convenient to hold, and the rotary handles (31) are sleeved with anti-skidding sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023152081.7U CN213579909U (en) | 2020-12-24 | 2020-12-24 | Static pressure airtight test auxiliary device of full static pressure sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023152081.7U CN213579909U (en) | 2020-12-24 | 2020-12-24 | Static pressure airtight test auxiliary device of full static pressure sensor |
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| Publication Number | Publication Date |
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| CN213579909U true CN213579909U (en) | 2021-06-29 |
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| CN202023152081.7U Active CN213579909U (en) | 2020-12-24 | 2020-12-24 | Static pressure airtight test auxiliary device of full static pressure sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983172A (en) * | 2021-09-18 | 2022-01-28 | 太原航空仪表有限公司 | Rotary butt-joint type sealing device of L-shaped pressure receiver |
-
2020
- 2020-12-24 CN CN202023152081.7U patent/CN213579909U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983172A (en) * | 2021-09-18 | 2022-01-28 | 太原航空仪表有限公司 | Rotary butt-joint type sealing device of L-shaped pressure receiver |
| CN113983172B (en) * | 2021-09-18 | 2024-04-26 | 太原航空仪表有限公司 | Rotary butt-joint type sealing device of L-shaped pressure receiver |
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