CN218350049U

CN218350049U - Getter material suction rate testing device

Info

Publication number: CN218350049U
Application number: CN202221941948.3U
Authority: CN
Inventors: 杨兵
Original assignee: Nanjing Zheshitai Electronic Technology Co ltd
Current assignee: Nanjing Zheshitai Electronic Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-01-20
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a getter material air suction rate testing device, which comprises a testing box body, wherein a getter plate is arranged inside the testing box body, and a cover plate is arranged at the top of the testing box body; an inner thread groove is formed in the middle of the bottom of the cover plate, a test box is connected to the inner thread of the inner thread groove in a threaded mode, a threaded rod is connected to the center of the bottom of the cover plate in a threaded mode, hook plates are evenly arranged on two sides of the threaded rod, an air pump is arranged on one side of the top of the cover plate, the output end of the air pump extends into the test box through an air guide pipe, and a pressure gauge is arranged on the top of the cover plate; the utility model is suitable for a getter material of many shapes tests, has add massive or annular getter material's relevant test on the basis of plate-like getter, and the accessible test box operates, and the volume is littleer in the test box relatively to reduce the air transmission volume, and reduce test time.

Description

Getter material suction rate testing device

Technical Field

The utility model relates to a getter material suction rate test technical field specifically is a getter material suction rate testing arrangement.

Background

Getters refer to the generic term for agents or devices that effectively sorb certain gas molecule(s) to obtain or maintain a vacuum, purify gases, and the like. The getter is in various forms such as powder, disc, strip, tube, ring and cup, the getter material needs to be subjected to corresponding air suction rate test after being processed, but the prior patent publication number is 'CN 212483525U a getter material air suction rate test device', which can well perform relevant detection on a getter plate, but if the getter material is used as a test device of getter materials in other shapes, the air transmission amount is inconvenient and the operation time is long under the condition that the size of the getter material is small; meanwhile, when the material is placed inside the test box, the surface in contact with the box body is difficult to be in more sufficient contact with air.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a getter material suction rate testing arrangement to propose current problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the getter material air suction rate testing device comprises a testing box body, wherein a getter plate is arranged inside the testing box body, and a cover plate is arranged at the top of the testing box body;

the utility model discloses a test box, including apron, air pump, air duct, interior thread groove, test box, internal thread groove, threaded rod, hook plate, air pump, manometer, time-recorder, timer and air pump, the intermediate position department of the inside bottom of apron has seted up interior thread groove, and the inside threaded connection of interior thread groove, the central point of apron bottom puts threaded rod, the both sides of threaded rod evenly are equipped with the hook plate, one side at apron top is equipped with the air pump, the output of air pump passes through the inside that the air duct extends to the test box, the top of apron is equipped with the manometer, and the input of manometer extends to the inside of test box, the time-recorder is installed to the positive one end of test box.

Preferably, the top of the inner side of the test box body is provided with a reversed opening, the edge of the bottom of the cover plate is provided with a sealing ring, the sealing ring is matched with the reversed opening, and the sealing between the cover plate and the test box body is improved.

Preferably, the locating grooves are symmetrically formed in the middle of two sides of the top of the cover plate, the top of two sides of the test box body is symmetrically hinged to the hinge seats, the top dead axle on the inner side of the hinge seats is rotatably connected with the pressing wheel, the pressing wheel and the locating grooves are mutually matched, and the pressing wheel is driven to press the cover plate through the turnover hinge seats so as to improve the sealing effect of the test box body.

Preferably, the bottom of the two sides in the test box is provided with a placing screen plate, and the block-shaped or sheet-shaped getter materials can be placed through the placing screen plate in the test box.

Preferably, the center department of apron bottom is provided with the internal thread pipe, and internal thread pipe and threaded rod threaded connection, are convenient for take out the threaded rod.

Compared with the prior art, the beneficial effects of the utility model are that: the getter material air suction rate testing device is suitable for testing getter materials in various shapes, relevant tests of block-shaped or ring-shaped getter materials are additionally arranged on the basis of a plate-shaped getter, operation can be performed through a testing box, the size is smaller than that of a testing box body, the air delivery amount is reduced, and the testing time is shortened; and the hook plate and the placing screen plate are placed in a related manner, so that the contact area of the getter material can be enlarged, the air suction is more sufficient, and the test value is more accurate.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the structure of the test site of the present invention;

fig. 4 is an enlarged view of the point a of fig. 1 of the present invention.

In the figure: 1. testing the box body; 2. a getter plate; 3. a test cartridge; 4. a cover plate; 5. an air pump; 6. an air duct; 7. a pressure gauge; 8. a timer; 9. a hinged seat; 10. a threaded rod; 11. a hook plate; 12. placing a screen plate; 13. a seal ring; 14. positioning a groove; 15. and (4) pressing the wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

Referring to fig. 1-4, the present invention provides an embodiment: a getter material air suction rate testing device comprises a testing box body 1, a getter plate 2 is arranged inside the testing box body 1, a cover plate 4 is arranged at the top of the testing box body 1, an inverted opening is formed in the top of the inner side of the testing box body 1, a sealing ring 13 is arranged at the edge of the bottom of the cover plate 4, the sealing ring 13 is matched with the inverted opening, sealing between the cover plate 4 and the testing box body 1 is improved, positioning grooves 14 are symmetrically formed in the middles of two sides of the top of the cover plate 4, hinged seats 9 are symmetrically hinged to the tops of two sides of the testing box body 1, a pressing wheel 15 is rotatably connected to the top of the inner side of the hinged seat 9 in a fixed-axis mode, the pressing wheel 15 is matched with the positioning grooves 14, the pressing wheel 15 is driven by overturning the hinged seats 9 to press the cover plate 4, and therefore the sealing effect of the testing box body 1 is improved;

interior thread groove has been seted up to the intermediate position department of the inside bottom of apron 4, and the inside threaded connection of interior thread groove has test box 3, the bottom of the inside both sides of test box 3 is equipped with places otter board 12, can place cubic or flaky getter material through placing otter board 12 in test box 3, the central point of apron 4 bottom puts threaded connection has threaded rod 10, the center department of apron 4 bottom is provided with the internal thread pipe, and internal thread pipe and threaded rod 10 threaded connection, be convenient for take out threaded rod 10, the both sides of threaded rod 10 evenly are equipped with hook plate 11, one side at apron 4 top is equipped with air pump 5, the output of air pump 5 passes through air duct 6 and extends to the inside of test box 3, the top of apron 4 is equipped with manometer 7, and the input of manometer 7 extends to the inside of test box 3, time-recorder 8 is installed to the positive one end of test box 1.

The working principle is as follows: the device drives a pressing wheel 15 to be pressed inside a positioning groove 14 by turning over a hinged seat 9, so that the sealing performance of a cover plate 4 and a test box body 1 is realized, the test box body 1 can be used for carrying out related air suction rate test on an air absorbent plate 2, a net plate 12 arranged in the test box 3 can be used for placing blocky or flaky air absorbent materials, a hook plate 11 can be used for suspending the ring, an air pump 5 is used for carrying out air transmission operation on the inside of the test box 3 through an air guide pipe 6, the internal air pressure is recorded according to a pressure gauge 7, when the air pressure is restored to the air pressure before air transmission through the air absorbent materials, a timer 8 is recorded, and the air suction rate is judged through time and air transmission; when the getter plate 2 needs to be tested, the test box 3 can be taken out in a rotating way, and the threaded rod 10 can be taken out, so that the related test of the gas absorption rate of the getter plate 2 can be performed.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A getter material suction rate testing device comprises a testing box body (1), and is characterized in that: a getter plate (2) is arranged inside the test box body (1), and a cover plate (4) is arranged at the top of the test box body (1);

interior thread groove has been seted up to the intermediate position department of apron (4) inside bottom, and the inside threaded connection of interior thread groove has test box (3), the central point of apron (4) bottom puts threaded connection and has threaded rod (10), the both sides of threaded rod (10) evenly are equipped with hook plate (11), one side at apron (4) top is equipped with air pump (5), the output of air pump (5) passes through air duct (6) and extends to the inside of test box (3), the top of apron (4) is equipped with manometer (7), and the input of manometer (7) extends to the inside of test box (3), time-recorder (8) are installed to the positive one end of test box (1).

2. A getter material getter capacity test device as claimed in claim 1, wherein: the top of the inner side of the test box body (1) is provided with a reversed opening, the edge of the bottom of the cover plate (4) is provided with a sealing ring (13), and the sealing ring (13) is matched with the reversed opening.

3. A getter material getter rate testing device according to claim 1, wherein: constant head tank (14) have been seted up to the middle part symmetry of apron (4) top both sides, the top symmetry of test box (1) both sides articulates there is articulated seat (9), the top dead axle rotation of articulated seat (9) inboard is connected with pinch roller (15), pinch roller (15) and constant head tank (14) mutual adaptation.

4. A getter material getter rate testing device according to claim 1, wherein: and a placing screen plate (12) is arranged at the bottom of two sides in the test box (3).

5. A getter material getter capacity test device as claimed in claim 1, wherein: the center department of apron (4) bottom is provided with the internal thread pipe, and internal thread pipe and threaded rod (10) threaded connection.