CN210106577U - Charging and discharging sealing device for photoelectric equipment - Google Patents
Charging and discharging sealing device for photoelectric equipment Download PDFInfo
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- CN210106577U CN210106577U CN201920940813.7U CN201920940813U CN210106577U CN 210106577 U CN210106577 U CN 210106577U CN 201920940813 U CN201920940813 U CN 201920940813U CN 210106577 U CN210106577 U CN 210106577U
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Abstract
The utility model discloses a charge-discharge sealing device for photoelectric equipment, which relates to the field of security protection, and comprises a sealing seat, wherein the sealing seat is arranged on a shell of the photoelectric equipment, a gas channel is arranged in the sealing seat, and the bottom of the sealing seat is connected with the outside of the shell; an air valve core is arranged in the air channel, and a valve ejector pin is arranged on the air valve core; the bottom of the sealing seat is a connecting part; when the sealing device is in a sealing state, the connecting part is connected with a sealing cover, and the sealing cover seals the sealing seat; when the sealing device is in an inflation state, the connecting part is connected with an inflation nozzle, a hollow channel is arranged in the inflation nozzle, the top of the inflation nozzle compresses the valve ejector pin, then the hollow channel is communicated with the air valve core to form an air passage, and the lower part of the hollow channel is connected with an external inflation device through a hose. The utility model has the advantages of simple structure, the assembly of being convenient for.
Description
Technical Field
The utility model relates to a security protection field, concretely relates to charge and discharge sealing device for optoelectronic equipment.
Background
The marine or naval photoelectric tracking evidence obtaining equipment is in a high-humidity environment at sea for a long time, and in order to avoid that seawater, water vapor and the like enter the photoelectric equipment direction indicator to cause condensation, even damage electronic components or cause that a PCB cannot normally work, a sealing device is usually arranged outside the photoelectric equipment, so that the photoelectric equipment is in an airtight state and is isolated from the external seawater and water vapor.
The existing photoelectric tracking evidence obtaining equipment for ships or warships is generally provided with a charging and discharging air sealing device, wherein the charging and discharging air sealing device comprises an inflating device and an deflating device which are used in a matched mode as a group to complete an air exchange process, and when the photoelectric tracking evidence obtaining equipment is generally used, nitrogen with the pressure difference of 0.02MPa is filled into the equipment after air exchange is completed to carry out air sealing protection.
Because the sealing device is a key factor for ensuring the normal operation of the photoelectric equipment, the photoelectric equipment needs to be inflated again when the ship or warship photoelectric tracking evidence obtaining equipment performs field acceptance and user (operator) training or after the photoelectric equipment is unsealed and maintained.
The existing charging and discharging air sealing device comprises an outsourcing charging and discharging air sealing device and an autonomous design device, wherein the outsourcing charging and discharging air sealing device is usually large in size, is not suitable for the existing gradually miniaturized photoelectric tracking evidence obtaining equipment and is gradually eliminated; the independently designed charging and discharging air sealing device is large in size, multiple in parts and complex in assembly, and part of the charging and discharging air sealing device can only use a special device to realize air sealing and pressure maintaining tests and cannot finish charging and discharging demonstration for users in a field, so that delivery is difficult.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a fill discharge sealing device for optoelectronic device, simple structure, the assembly of being convenient for.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a charge-discharge sealing device for photoelectric equipment comprises a sealing seat, a sealing cover and a sealing cover, wherein the sealing seat is arranged on a shell of the photoelectric equipment, a gas channel is formed in the sealing seat, and the bottom of the sealing seat is connected to the outside of the shell;
an air valve core is arranged in the air channel, and a valve ejector pin is arranged on the air valve core; the bottom of the sealing seat is a connecting part;
when the sealing device is in a sealing state, the connecting part is connected with a sealing cover, and the sealing cover seals the air valve core;
when the sealing device is in an inflation state, the connecting part is connected with an inflation nozzle, a hollow channel is arranged in the inflation nozzle, the top of the inflation nozzle compresses the valve ejector pin, then the hollow channel is communicated with the air valve core to form an air passage, and the lower part of the hollow channel is connected with an external inflation device through a hose.
Furthermore, a return spring is arranged in the shell of the air valve core, and the valve ejector pin can slide on the shell of the air valve core.
Furthermore, a locking nut is arranged outside the sealing seat, and when the locking nut is connected with the sealing seat, the sealing seat keeps a static state.
Furthermore, a space ring is arranged between the locking nut and the shell, and the space ring is sleeved outside the sealing seat.
Furthermore, the seal receptacle is in threaded connection with the gas valve core, and a first seal ring is arranged between the seal receptacle and an assembly gap of the gas valve core.
Furthermore, a second sealing ring is arranged at the connection part of the bottom of the sealing seat and the shell.
Furthermore, a third sealing ring is arranged between the inflating nozzle and the connecting part.
Furthermore, the sealing seat is provided with an anti-rotation mechanism for preventing the sealing seat and the shell from rotating relatively.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses a fill and discharge sealing device for photoelectric equipment, when sealing device is for encapsulated situation, connect a sealed lid on the connecting portion, the sealed lid is sealed with the valve thimble, can prevent to miss and bump the valve needle and cause inside gas to leak, can make whole appearance smooth and pleasing to the eye again, when sealing device is for the inflated situation, connect an charging connector on the connecting portion, be provided with hollow channel in the charging connector, hollow channel and gas valve core intercommunication form the gas passage behind the top compression valve thimble of charging connector, the lower part of hollow channel is connected with outside aerating device through the hose, aerify, gas gets into in the casing through the gas valve core; after the inflation is finished, the inflation nozzle is taken down, the valve ejector pin is reset, the air valve core is sealed, and a certain pressure is kept in the photoelectric equipment; the structure for charging and discharging air is simple, and the assembly is convenient.
Drawings
Fig. 1 is a schematic structural view of a charge/discharge sealing device of a photovoltaic device according to an embodiment of the present invention during sealing;
fig. 2 is a schematic structural diagram of the charging and discharging sealing device of the optoelectronic device according to the embodiment of the present invention during charging.
In the figure: 1-a sealing seat, 2-a shell, 3-an air channel, 4-an air valve core, 5-a valve thimble, 6-a connecting part, 7-a sealing cover, 8-an inflating nozzle, 9-a hollow channel, 10-a hose, 11-a locking nut, 12-a spacer ring, 13-a first sealing ring, 14-a second sealing ring and 15-a third sealing ring.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the embodiment of the utility model provides a fill and discharge sealing device for optoelectronic device, including seal receptacle 1, it sets up on optoelectronic device's casing 2, and it has gas channel 3 to open in seal receptacle 1, and the bottom of seal receptacle 1 connects in the outside of casing 2, and the part of being connected of seal receptacle 1 bottom and casing 2 is provided with second sealing washer 14, is equipped with on the seal receptacle 1 and prevents changeing the mechanism for avoid seal receptacle 1 and casing 2 to take place relative rotation, the installation of other parts of being convenient for.
The gas valve core 4 is arranged in the gas channel 3 of the sealing seat 1, the bottom of the sealing seat 1 is a connecting part 6, a valve ejector pin 5 is arranged on the gas valve core 4, the sealing seat 1 is in threaded connection with the gas valve core 4, a first sealing ring 13 is arranged between the assembly gap of the sealing seat 1 and the gas valve core 4, a reset spring is arranged in the shell of the gas valve core 4, and the valve ejector pin 5 can slide on the shell of the gas valve core 4.
The utility model discloses a still be provided with in seal receptacle 1 and be used for the tapering corresponding with the shell shape of gas case 4, assembly gap between seal receptacle 1 and the gas case 4 can be filled to first sealing washer 13 for seal receptacle 1 forms airtight body with gas case 4.
The structure to which the connection 6 is connected varies according to the state of the sealing device:
referring to fig. 1, when the sealing device is in a sealing state, a sealing cover 7 is connected to the connecting portion 6, and the sealing cover 7 seals the valve thimble 5, so that internal gas leakage caused by mistaken touch of the valve thimble can be prevented, the whole appearance can be smooth and attractive, and when gas release is required, the sealing cover 7 is opened, and the valve thimble 5 is pressed.
Referring to fig. 2, when the sealing device is in an inflation state, an inflation nozzle 8 is connected to the connecting portion 6, a third sealing ring 15 is arranged between the inflation nozzle 8 and the connecting portion 6, a hollow channel 9 is arranged in the inflation nozzle 8, the hollow channel 9 is communicated with the air valve core 4 after the top of the inflation nozzle 8 compresses the valve ejector pin 5 to form an air passage, the lower portion of the hollow channel 9 is connected with an external inflation device through a hose 10 to inflate, and air enters the shell through the air valve core 4; after the inflation is finished, the inflation nozzle 8 is taken down, the valve thimble 5 is reset, the air valve core 4 is sealed, and a certain pressure is kept in the photoelectric equipment.
In the embodiment of the utility model, the outside of the sealing seat 1 is provided with the locking nut 11 for connecting the sealing seat 1 and the shell 2, and when the locking nut 11 is connected with the sealing seat 1, the sealing seat 1 keeps a static state, which is convenient for assembly; a space ring 12 is arranged between the locking nut 11 and the shell 2, and the space ring 12 is sleeved outside the sealing seat 1.
In the embodiment of the utility model, connecting portion 6 is threaded connection with sealed lid 7, charging connector 8, is the external screw thread on sealed lid 7, the charging connector 8.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (8)
1. The utility model provides a charge and discharge sealing device for optoelectronic device, includes seal receptacle (1), and it sets up on optoelectronic device's casing (2), it has gas passage (3), its characterized in that to open in seal receptacle (1): the bottom of the sealing seat (1) is connected to the outside of the shell (2);
an air valve core (4) is arranged in the air channel (3), and a valve ejector pin (5) is arranged on the air valve core (4); the bottom of the sealing seat (1) is provided with a connecting part (6);
when the sealing device is in a sealing state, the connecting part (6) is connected with a sealing cover (7), and the sealing cover (7) seals the air valve core (4);
when the sealing device is in an inflation state, the connecting portion (6) is connected with an inflation nozzle (8), a hollow channel (9) is arranged in the inflation nozzle (8), the top of the inflation nozzle (8) compresses the valve ejector pin (5), the rear hollow channel (9) is communicated with the air valve core (4) to form an air passage, and the lower portion of the hollow channel (9) is connected with an external inflation device through a hose (10).
2. The charge and discharge sealing device for an electro-optical apparatus according to claim 1, wherein: a return spring is arranged in the shell of the air valve core (4), and the valve ejector pin (5) can slide on the shell of the air valve core (4).
3. The charge and discharge sealing device for an electro-optical apparatus according to claim 1, wherein: the sealing device is characterized in that a locking nut (11) is arranged outside the sealing seat (1), and when the locking nut (11) is connected with the sealing seat (1), the sealing seat (1) keeps a static state.
4. A charge and discharge sealing device for an electro-optical apparatus according to claim 3, wherein: a space ring (12) is arranged between the locking nut (11) and the shell (2), and the space ring (12) is sleeved outside the sealing seat (1).
5. The charge and discharge sealing device for an electro-optical apparatus according to claim 1, wherein: the sealing seat (1) is in threaded connection with the gas valve core (4), and a first sealing ring (13) is arranged between an assembly gap of the sealing seat (1) and the gas valve core (4).
6. The charge and discharge sealing device for an electro-optical apparatus according to claim 1, wherein: and a second sealing ring (14) is arranged at the connection part of the bottom of the sealing seat (1) and the shell (2).
7. The charge and discharge sealing device for an electro-optical apparatus according to claim 1, wherein: and a third sealing ring (15) is arranged between the inflating nozzle (8) and the connecting part (6).
8. The charge and discharge sealing device for an electro-optical apparatus according to claim 1, wherein: the anti-rotation mechanism is arranged on the sealing seat (1) and used for preventing the sealing seat (1) and the shell (2) from rotating relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940813.7U CN210106577U (en) | 2019-06-20 | 2019-06-20 | Charging and discharging sealing device for photoelectric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940813.7U CN210106577U (en) | 2019-06-20 | 2019-06-20 | Charging and discharging sealing device for photoelectric equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106577U true CN210106577U (en) | 2020-02-21 |
Family
ID=69565627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920940813.7U Active CN210106577U (en) | 2019-06-20 | 2019-06-20 | Charging and discharging sealing device for photoelectric equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106577U (en) |
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2019
- 2019-06-20 CN CN201920940813.7U patent/CN210106577U/en active Active
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