CN215064118U

CN215064118U - Inflating nozzle for sealing seeker

Info

Publication number: CN215064118U
Application number: CN202121517048.1U
Authority: CN
Inventors: 李明; 蒋志强
Original assignee: Beijing Polytechnic Navigation Control Technology Co Ltd
Current assignee: Beijing Polytechnic Navigation Control Technology Co Ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-07
Anticipated expiration: 2031-07-06

Abstract

The utility model relates to the technical field of charging connectors, and discloses a charging connector for sealing a seeker, which solves the problem that the charging connector in the current market is easy to have loose sealing when charging in the seeker, and comprises a seal cavity, fastening screws, an elastic rubber pad, a charging connector and air nozzle sealing screws, wherein the elastic rubber pad is arranged above the seal cavity, a plurality of fastening screws are arranged at the top of the elastic rubber pad, and a plurality of fastening screws penetrate through the elastic rubber pad to be in threaded connection with the seal cavity; when the seal chamber aerifys the completion, there is air cock sealing screw at seal chamber's bottom threaded connection, the utility model discloses, have simple structure, simple to operate, it is convenient to use, advantages such as the leakproofness is good.

Description

Inflating nozzle for sealing seeker

Technical Field

The utility model belongs to the technical field of the charging connector, specifically be a charging connector for sealed seeker.

Background

The seeker is used for the front end or the missile body part of the terminal guidance missile, and the images are picked up and identified in the terminal guidance stage.

Because the seeker is independent of the missile overall installation, the air pressure in the cavity and the sealing performance of the seeker have higher requirements, and when the seeker is inflated, an inflating nozzle can be generally used, and a common inflating nozzle is complicated in structure when in use, inconvenient and rapid in installation and poor in sealing effect.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defects of the prior art, the utility model provides an inflation nozzle for sealing the seeker, the effectual inflation nozzle of having solved on the existing market appears sealed not tight problem easily when aerifing in the seeker.

In order to achieve the above object, the utility model provides a following technical scheme: an inflation nozzle for a sealing guide head comprises a sealing cavity, fastening screws, an elastic rubber cushion, an inflation nozzle and an air nozzle sealing screw, wherein the elastic rubber cushion is arranged above the sealing cavity, the top of the elastic rubber cushion is provided with a plurality of fastening screws, the fastening screws penetrate through the elastic rubber cushion and are in threaded connection with the sealing cavity, and when the sealing cavity needs to be inflated, the bottom end of the sealing cavity is in threaded connection with the inflation nozzle; when the sealed cavity is inflated, the bottom end of the sealed cavity is in threaded connection with an air nozzle sealing screw.

Furthermore, an inflation hole is formed in the sealing cavity, a sealing groove is formed in the bottom end of the inflation hole, and an air faucet sealing gasket is arranged in the sealing groove.

Further, the diameter at charging connector and gas nozzle sealing screw top is the same, and all is provided with the screw thread at charging connector and gas nozzle sealing screw side, set up threaded on the inner wall in inflation hole, and charging connector and gas nozzle sealing screw homoenergetic are to the inflation hole threaded connection in the sealed cavity.

Further, an air hole sealing gasket is arranged on the inner wall of the air charging hole.

Furthermore, an inflation groove is formed in the inflation nozzle.

Furthermore, the outer diameter of the elastic rubber gasket is slightly larger than the inner diameter of the sealing groove at the bottom of the sealing cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the utility model discloses an add the elastic rubber pad in the seal chamber inboard, when making seal chamber internal pressure be greater than outside atmospheric pressure, can press the elastic rubber pad in the gas pocket portion, make inside gas can't leak, and aerify and adopt to be greater than seal chamber internal pressure to fill into, can rush up the elastic rubber pad, get into the cavity by the clearance of elastic rubber pad and charging connector, if need deflate, can adopt suitable metal stick etc. to insert the inflation hole, push open the elastic rubber pad and deflate, after inflating and accomplishing, scribble sealed glue or thread gluing with gas nozzle sealing screw and install in the inflation hole, accomplish the whole installation;

2) the utility model discloses a technical scheme be that adopt inside elastic rubber pad and external seal circle simultaneous action, inside elastic rubber pad density, elasticity etc. can be according to inside atmospheric pressure size of seal chamber, charging connector size and contact metal roughness etc. and confirm, and external seal circle compresses tightly with the contact of inflating hole and sealing screw, seals.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic sectional view of the connection between the seal chamber and the elastic rubber pad of the present invention;

FIG. 2 is a schematic sectional view of the connection between the seal chamber and the charging nozzle of the present invention;

FIG. 3 is a schematic cross-sectional view of the connection between the seal chamber and the air faucet seal screw according to the present invention;

in the figure: 1. sealing the cavity; 2. an air tap sealing gasket; 3. fastening screws; 4. an elastic rubber pad; 5. an air charging nozzle; 6. an air tap sealing screw; 7. an inflation hole; 8. an air hole sealing gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-3, the utility model includes a seal chamber 1, fastening screws 3, an elastic rubber pad 4, an inflation nozzle 5, and an air nozzle sealing screw 6, wherein the elastic rubber pad 4 is arranged above the seal chamber 1, and a plurality of fastening screws 3 are arranged on the top of the elastic rubber pad 4, and a plurality of fastening screws 3 penetrate through the elastic rubber pad 4 to be in threaded connection with the seal chamber 1, and when the seal chamber 1 needs to be inflated, the inflation nozzle 5 is in threaded connection with the bottom end of the seal chamber 1; when the air inflation of the sealed cavity 1 is completed, an air nozzle sealing screw 6 is connected to the bottom end of the sealed cavity 1 in a threaded mode.

In the second embodiment, on the basis of the first embodiment, the inside of the sealing cavity 1 is provided with the inflation hole 7, the bottom end of the inflation hole 7 is provided with the sealing groove, and the inside of the sealing groove is provided with the air faucet sealing gasket 2.

Third embodiment, on the basis of first embodiment, the diameter at charging connector 5 and the diameter at the top of gas nozzle sealing screw 6 are the same, and all be provided with the screw thread at charging connector 5 and gas nozzle sealing screw 6 side, set up the screw thread on the inner wall of inflation hole 7, and charging connector 5 and gas nozzle sealing screw 6 all can be to inflation hole 7 threaded connection in seal chamber 1, when aerifing the completion, take out charging connector 5, because atmospheric pressure is greater than external atmospheric pressure in seal chamber 1, elastic rubber pad 4 sticiss inflation hole 7, prevent the inside gas of seal chamber 1 from leaking, with gas nozzle sealing screw 6 threaded connection in the inside of inflation hole 7, and can scribble thread glue or sealed glue etc. in order to increase sealed effect in the screw thread department, installation sticiss gas nozzle sealing gasket 2 after screwing up, alright accomplish sealed to seal chamber 1.

In the fourth embodiment, on the basis of the second embodiment, the air hole gasket 8 is arranged on the inner wall of the air inflation hole 7, and when the air inflation nozzle 5 or the air nozzle sealing screw 6 is fastened, the air hole gasket 8 can further ensure the sealing performance of the connection.

In the fifth embodiment, on the basis of the first embodiment, the inflation groove is formed in the inflation nozzle 5, and the inflation of the sealing cavity 1 can be completed through the inflation groove in the inflation nozzle 5.

Sixth embodiment, on the basis of the first embodiment, the outer diameter of the elastic rubber pad 4 is slightly larger than the inner diameter of the sealing groove at the bottom of the sealing cavity 1, so that the size of the elastic rubber pad 4 can completely cover the inflation hole 7, and a good sealing effect is achieved.

The working principle is as follows: in the time of the integral erection, at first use fastening screw 3 with the installation of elastic rubber cushion 4 and the hole 7 department of aerifing in seal chamber 1, can compress tightly on one side or both sides compress tightly, keep admitting air on one side at least, when aerifing seal chamber 1, with charging connector 5 and air pump and manometer installation together, can look over inside atmospheric pressure when aerifing, when atmospheric pressure reaches the preset pressure value, stop aerifing, lift charging connector 5 off, inside elastic rubber cushion 4 is pushed up in the hole department by inside atmospheric pressure, prevent that inside gas from leaking. And finally, smearing the air nozzle sealing screw 6 with sealant or thread glue, installing the air nozzle sealing screw at an inflation hole 7 on the sealing cavity 1, reinforcing the sealing effect, and finishing inflation and sealing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an inflation nozzle for sealing seeker, includes seal chamber (1), fastening screw (3), elasticity cushion (4), inflation nozzle (5), air cock sealing screw (6), its characterized in that: the elastic rubber cushion (4) is arranged above the sealed cavity (1), the top of the elastic rubber cushion (4) is provided with a plurality of fastening screws (3), the fastening screws (3) penetrate through the elastic rubber cushion (4) and are in threaded connection with the sealed cavity (1), and when the sealed cavity (1) needs to be inflated, the bottom end of the sealed cavity (1) is in threaded connection with an inflating nozzle (5); when the sealed cavity (1) is inflated, an air tap sealing screw (6) is connected to the bottom end of the sealed cavity (1) in a threaded mode.

2. An inflation nozzle for a sealing guide head as claimed in claim 1, wherein: inflation hole (7) have been seted up to seal chamber body (1) inside, and have seted up the seal groove in the bottom of inflation hole (7), and be provided with air cock sealing gasket (2) in the inside of seal groove.

3. An inflation nozzle for a sealing guide head as claimed in claim 2, wherein: the diameter at charging connector (5) and gas nozzle sealing screw (6) top is the same, and all is provided with the screw thread in charging connector (5) and gas nozzle sealing screw (6) side, set up threaded on the inner wall of inflation hole (7), and charging connector (5) and gas nozzle sealing screw (6) homoenergetic are to inflation hole (7) threaded connection in seal chamber (1).

4. An inflation nozzle for a sealing guide head as claimed in claim 2, wherein: and an air hole sealing gasket (8) is arranged on the inner wall of the air inflation hole (7).

5. An inflation nozzle for a sealing guide head as claimed in claim 1, wherein: an inflation groove (9) is formed in the inflation nozzle (5).

6. An inflation nozzle for a sealing guide head as claimed in claim 1, wherein: the outer diameter of the elastic rubber cushion (4) is slightly larger than the inner diameter of the sealing groove at the bottom of the sealing cavity (1).