CN217932257U

CN217932257U - Automatic nitrogen charging device for keeping tightness of telescope

Info

Publication number: CN217932257U
Application number: CN202220994553.3U
Authority: CN
Inventors: 朱桂宇; 崔雨; 朱发永
Original assignee: Nanyang Kent Optical Instrument Co ltd
Current assignee: Nanyang Kent Optical Instrument Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-11-29
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses an automatic nitrogen charging device for keeping telescope leakproofness, comprising a base plate, the cavity is installed in the left side at bottom plate top, the front end movable mounting of cavity has the door plant, the seat of placing is installed to the inside bottom of cavity, the right side at bottom plate top is equipped with the nitrogen cylinder, be provided with the vacuum pump between cavity and the nitrogen cylinder. This an automatic nitrogen charging device for keeping telescope leakproofness is through being provided with the telescope main part, the standing groove, elastic element, limiting plate and spout, during the use, put the telescope main part in the inside of standing groove in proper order, the telescope main part is through extruding the limiting plate from top to bottom, compress elastic element in the time of the extrusion, space between the extension limiting plate, place the telescope main part between the limiting plate, elastic element release pressure afterwards, it is spacing tight to the telescope main part through the limiting plate, moreover, the steam generator is simple in structure, what solve is inconvenient to the spacing problem of placing of telescope main part.

Description

Automatic nitrogen charging device for keeping tightness of telescope

Technical Field

The utility model relates to a telescope processing technology field specifically is an automatic nitrogen charging device for keeping telescope leakproofness.

Background

When the telescope is produced and processed, in order to avoid oxidation of a lens and some parts caused by air entering in the later use process, the telescope is placed in a cavity when the telescope is assembled, nitrogen filling treatment is carried out in the cavity to ensure that the telescope can be used for a long time, nitrogen filling and vacuumizing are generally separately arranged, and the telescope needs to be replaced in the two cavities back and forth, so that time and labor are wasted; the door plate structure tightness of the chamber is insufficient, so that the treatment effect is influenced; inconvenient to the spacing placing of telescope body, the air current causes the skew to the telescope easily during processing, and the security is not enough, needs an integral structure now urgently, compactness is stronger and possess limit function's nitrogen charging device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic nitrogen charging device for keeping telescope leakproofness to solve the lower problem of machining efficiency who provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic nitrogen charging device for keeping the sealing performance of a telescope comprises a bottom plate, wherein a cavity is arranged on the left side of the top of the bottom plate, a door plate is movably arranged at the front end of the cavity, a placing seat is arranged at the bottom end inside the cavity, a nitrogen cylinder is assembled on the right side of the top of the bottom plate, a vacuum pump is arranged between the cavity and the nitrogen cylinder, and the vacuum pump is arranged on the top of the bottom plate;

the output of vacuum pump is connected with the exhaust tube, the inside in the cavity is run through at the top of exhaust tube, nitrogen control valve is installed at the top of nitrogen cylinder, the output of nitrogen cylinder is connected with defeated nitrogen pipe, one side of defeated nitrogen pipe runs through in the inside of cavity.

Preferably, a pressure gauge is installed at the top of the chamber, a first regulating valve is assembled on one side of the nitrogen conveying pipe, and a second regulating valve is assembled at the top of the exhaust pipe.

Preferably, a clamping groove is formed in the front end of one end of the cavity, a clamping block is fixedly connected to one end, facing the cavity, of the door plate, a rear connecting plate is installed in the middle of one side of the cavity, a front connecting plate is installed in the middle of one side of the door plate, a fastening screw rod is inserted into the door plate in an inserted mode, a locking knob is connected to the front end of the fastening screw rod, and a fastening nut is arranged at the rear end of the rear connecting plate.

Preferably, the rear end of the fastening screw penetrates behind the rear connecting plate, and the fastening nut is sleeved outside the rear end of the fastening screw.

Preferably, nine groups of placing grooves are arranged in the placing seat, sliding grooves are formed in two sides of the inside of the placing grooves, a limiting plate is connected between the sliding grooves in a sliding mode, and an elastic element is connected between the limiting plate and the placing grooves.

Preferably, a telescope main body is placed inside the placing groove, and the limiting plate abuts against the outer surface of the telescope main body.

Compared with the prior art, the beneficial effects of the utility model are that: the automatic nitrogen charging device for keeping the sealing performance of the telescope achieves the purpose of an integrated structure, is high in tightness, has a limiting function, and improves the use stability;

(1) When the telescope is used, the second adjusting valve is opened, then the vacuum pump is started, negative pressure is added to the inside of the cavity through the exhaust pipe, vacuumizing operation is started, meanwhile, the inside of the telescope main body is also vacuum, when the negative pressure number is displayed on the pressure gauge, the vacuum pump is closed, vacuumizing is not performed, the first adjusting valve is opened, then the nitrogen control valve is controlled, nitrogen is filled into the inside of the cavity from the nitrogen conveying pipe, the nitrogen enters the inside of the telescope main body under the action of the negative pressure, when the positive pressure number is displayed on the pressure gauge, the nitrogen is indicated to be filled into the telescope main body, the nitrogen control valve is closed, and the telescope can be taken out;

(2) When the door is used, after the door is placed, the door plate is closed at the front end of the cavity, the fixture block is embedded into the clamping groove, the front connecting plate and the rear connecting plate are aligned front and back, the fastening screw is inserted into the front connecting plate and the rear connecting plate, the locking knob is rotated until the fastening knob is screwed down, the fastening nut is rotatably sleeved between the fastening screw and the rear connecting plate, the front connecting plate and the rear connecting plate are connected and fixed, and the door plate is tightly attached to the front end of the cavity;

(3) Through being provided with telescope main part, standing groove, elastic element, limiting plate and spout, during the use, put the telescope main part in proper order in the inside of standing groove, the telescope main part is through upper and lower extrusion limiting plate, compress elastic element in the extrusion, space between the extension limiting plate places the telescope main part between the limiting plate, and elastic element release pressure is tight to telescope main part spacing clamp through the limiting plate afterwards, and simple structure has guaranteed the stability man-hour of adding.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the placing base of the present invention;

fig. 3 is a schematic side view of the chamber of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the placement groove in plan view.

In the figure: 1. a base plate; 2. a clamping block; 3. a front connecting plate; 4. a door panel; 5. a chamber; 6. a pressure gauge; 7. a card slot; 8. a first regulating valve; 9. a nitrogen conveying pipe; 10. a nitrogen control valve; 11. a nitrogen gas cylinder; 12. a vacuum pump; 13. an air exhaust pipe; 14. a second regulating valve; 15. a rear connecting plate; 16. a telescope main body; 17. a placing seat; 18. a placement groove; 19. locking the knob; 20. fastening a nut; 21. fastening a screw rod; 22. an elastic element; 23. a limiting plate; 24. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts all belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, an automatic nitrogen charging device for maintaining the sealing performance of a telescope comprises a bottom plate 1, a chamber 5 is arranged on the left side of the top of the bottom plate 1, a door plate 4 is movably arranged at the front end of the chamber 5, a placing seat 17 is arranged at the bottom end inside the chamber 5, a nitrogen cylinder 11 is arranged on the right side of the top of the bottom plate 1, a vacuum pump 12 is arranged between the chamber 5 and the nitrogen cylinder 11, and the vacuum pump 12 is arranged on the top of the bottom plate 1;

the output end of the vacuum pump 12 is connected with an exhaust tube 13, the top of the exhaust tube 13 penetrates through the inside of the chamber 5, the top of the nitrogen cylinder 11 is provided with a nitrogen control valve 10, the output end of the nitrogen cylinder 11 is connected with a nitrogen conveying tube 9, one side of the nitrogen conveying tube 9 penetrates through the inside of the chamber 5, the top of the chamber 5 is provided with a pressure gauge 6, one side of the nitrogen conveying tube 9 is provided with a first regulating valve 8, and the top of the exhaust tube 13 is provided with a second regulating valve 14;

specifically, as shown in fig. 1, the second regulating valve 14 is opened, the vacuum pump 12 is then started, negative pressure is added to the inside of the chamber 5 through the exhaust pipe 13, the vacuum pumping operation is started, the inside of the telescope main body 16 is also vacuum, when the pressure gauge 6 displays a negative pressure number, the vacuum pump 12 is closed, the vacuum pumping operation is stopped, the first regulating valve 8 is opened, the nitrogen control valve 10 is then controlled, nitrogen is pumped into the inside of the chamber 5 from the nitrogen pipe 9, the nitrogen enters the inside of the telescope main body 16 under the action of the negative pressure, when the pressure gauge 6 displays a positive pressure number, the nitrogen is indicated to fill the inside of the telescope main body 16, the nitrogen control valve 10 is closed, and the telescope can be taken out.

Example 2: the front end of one end of the cavity 5 is provided with a clamping groove 7, one end of the door panel 4 facing the cavity 5 is fixedly connected with a clamping block 2, the middle of one side of the cavity 5 is provided with a rear connecting plate 15, the middle of one side of the door panel 4 is provided with a front connecting plate 3, the interior of the door panel 4 is inserted with a fastening screw 21, the rear end of the fastening screw 21 penetrates through the rear part of the rear connecting plate 15, a fastening nut 20 is sleeved outside the rear end of the fastening screw 21, the front end of the fastening screw 21 is connected with a locking knob 19, and the rear end of the rear connecting plate 15 is provided with the fastening nut 20;

specifically, as shown in fig. 1 and fig. 3, after the door panel is placed, the door panel 4 is closed at the front end of the cavity 5, the clamping block 2 is embedded into the clamping groove 7, meanwhile, the front connecting plate 3 and the rear connecting plate 15 are aligned front and back, the fastening screw 21 is inserted into the front connecting plate 3 and the rear connecting plate 15, then the locking knob 19 is rotated until being screwed down, the fastening nut 20 is rotated and sleeved between the fastening screw 21 and the rear connecting plate 15, and the front connecting plate 3 and the rear connecting plate 15 are connected and fixed, so that the door panel 4 is tightly attached to the front end of the cavity 5.

Example 3: nine groups of placing grooves 18 are arranged in the placing seat 17, sliding grooves 24 are formed in two sides of the inside of each placing groove 18, a limiting plate 23 is connected between the sliding grooves 24 in a sliding mode, an elastic element 22 is connected between each limiting plate 23 and the corresponding placing groove 18, the telescope main body 16 is placed in the placing grooves 18, and the limiting plates 23 abut against the outer surface of the telescope main body 16;

specifically, as shown in fig. 1, 2 and 4, the telescope main body 16 is sequentially placed inside the placing groove 18, the limiting plates 23 are pressed up and down by the telescope main body 16, the elastic element 22 is compressed while pressing, the space between the limiting plates 23 is expanded, the telescope main body 16 is placed between the limiting plates 23, then the elastic element 22 releases pressure, the telescope main body 16 is limited and clamped through the limiting plates 23, the structure is simple, and the stability during processing is ensured.

The working principle is as follows: when the utility model is used, firstly, the telescope main body 16 is sequentially placed in the placing groove 18, the telescope main body 16 extrudes the limit plates 23 from top to bottom, the elastic element 22 is compressed while extruding, the space between the limit plates 23 is expanded, the telescope main body 16 is placed between the limit plates 23, then the elastic element 22 releases pressure, the telescope main body 16 is limited and clamped by the limit plates 23, then the door plate 4 is closed at the front end of the cavity 5, the fixture block 2 is embedded into the clamping groove 7, meanwhile, the front connecting plate 3 is aligned with the rear connecting plate 15 from front to back, the fastening screw 21 is inserted into the front connecting plate 3 and the rear connecting plate 15, then the locking knob 19 is rotated until being screwed down, then the fastening nut 20 is rotatably sleeved between the fastening screw 21 and the rear connecting plate 15, the connection and fixation of the front connecting plate 3 and the rear connecting plate 15 is completed, thereby the door plate 4 is tightly attached at the front end of the cavity 5, the inside of the telescope main body 16 is firstly in a sealed state, the highest point of the telescope main body 16 is provided with a small hole, the second regulating valve 14 is opened, then the vacuum pump 12 is started, negative pressure is added to the inside of the chamber 5 through the exhaust pipe 13, vacuumizing operation is started, meanwhile, the inside of the telescope main body 16 is also vacuum, when the pressure gauge 6 displays a negative pressure number, the vacuum pump 12 is closed and vacuumizing is not stopped, the first regulating valve 8 is opened, then the nitrogen control valve 10 is controlled, nitrogen is filled into the chamber 5 from the nitrogen conveying pipe 9, the nitrogen enters the inside of the telescope main body 16 under the action of the negative pressure, when the pressure gauge 6 displays a positive pressure number, the nitrogen is indicated to fill the inside of the telescope main body 16, the nitrogen control valve 10 is closed, the telescope can be taken out by opening the door panel 4, the small hole at the top is sealed by sealant, and air entering into the inside in the later use is avoided, the nitrogen charging process for the telescope main body 16 is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An automatic nitrogen charging device for maintaining the tightness of a telescope comprises a base plate (1), and is characterized in that: a cavity (5) is installed on the left side of the top of the bottom plate (1), a door plate (4) is movably installed at the front end of the cavity (5), a placing seat (17) is installed at the bottom end inside the cavity (5), a nitrogen gas bottle (11) is assembled on the right side of the top of the bottom plate (1), a vacuum pump (12) is arranged between the cavity (5) and the nitrogen gas bottle (11), and the vacuum pump (12) is installed at the top of the bottom plate (1);

the output of vacuum pump (12) is connected with exhaust tube (13), the inside in cavity (5) is run through at the top of exhaust tube (13), nitrogen control valve (10) are installed at the top of nitrogen cylinder (11), the output of nitrogen cylinder (11) is connected with defeated nitrogen pipe (9), one side of defeated nitrogen pipe (9) is run through in the inside of cavity (5).

2. An automated nitrogen charging device for maintaining the tightness of a telescope according to claim 1, characterized in that: the top of cavity (5) is installed manometer (6), one side of defeated nitrogen pipe (9) is equipped with first governing valve (8), the top of aspiration tube (13) is equipped with second governing valve (14).

3. An automated nitrogen charging device for maintaining the tightness of a telescope according to claim 1, characterized in that: the door plate is characterized in that a clamping groove (7) is installed at the front end of one end of the cavity (5), the door plate (4) faces to one end of the cavity (5) and is fixedly connected with a clamping block (2), a rear connecting plate (15) is installed in the middle of one side of the cavity (5), a front connecting plate (3) is installed in the middle of one side of the door plate (4), a fastening screw (21) is inserted into the door plate (4), a locking knob (19) is connected to the front end of the fastening screw (21), and a fastening nut (20) is arranged at the rear end of the rear connecting plate (15).

4. An automated nitrogen charging device for maintaining the tightness of a telescope according to claim 3, characterized in that: the rear end of the fastening screw rod (21) penetrates through the rear part of the rear connecting plate (15), and the fastening nut (20) is sleeved outside the rear end of the fastening screw rod (21).

5. An automated nitrogen charging device for maintaining the tightness of a telescope according to claim 1, characterized in that: nine groups of placing grooves (18) are arranged in the placing seat (17), sliding grooves (24) are formed in two sides of the inside of the placing grooves (18), a limiting plate (23) is connected between the sliding grooves (24) in a sliding mode, and an elastic element (22) is connected between the limiting plate (23) and the placing grooves (18).

6. An automated nitrogen charging apparatus for maintaining the sealing of a telescope according to claim 5, wherein: the telescope main body (16) is placed in the placing groove (18), and the limiting plate (23) abuts against the outer surface of the telescope main body (16).