CN212254469U - Differential pressure type air tightness instrument calibrating device - Google Patents
Differential pressure type air tightness instrument calibrating device Download PDFInfo
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- CN212254469U CN212254469U CN202021006040.4U CN202021006040U CN212254469U CN 212254469 U CN212254469 U CN 212254469U CN 202021006040 U CN202021006040 U CN 202021006040U CN 212254469 U CN212254469 U CN 212254469U
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Abstract
The utility model relates to the technical field of air-tight instrument calibration detection, in particular to a differential pressure type air-tight instrument calibration device, which comprises a protective shell, a pulley bottom plate and an air-tight instrument, wherein the lower end of the protective shell is fixedly connected with the pulley bottom plate, the left side and the right side of the protective shell are fixedly connected with side plates, the middle lower position of the side plate on the right side is spirally connected with an outer cover, the middle upper position of the side plate on the left side is fixedly connected with a first transparent block, the inner side of a water drop storage box is slidably connected with a water absorption drop, and the upper part of the left side of the water drop storage box is fixedly connected with a second transparent block. Facilitating self-test calibration before the air tightness meter detects other instruments.
Description
Technical Field
The utility model relates to an airtight appearance calibration detects technical field, specifically is an airtight appearance calibrating device of differential pressure formula.
Background
A differential pressure type air-tight instrument, also called differential pressure type air leakage tester and differential pressure type leak detector, is an instrument for detecting whether a product leaks by utilizing a differential pressure mode, the basic working principle of the gas sealing performance detector is the same as that of a balance, one end of the gas sealing performance detector is a reference object, the other end of the gas sealing performance detector is a part to be detected, but the measuring sequence of the gas sealing performance detector is just opposite to that of the balance, air with the same pressure is simultaneously filled into two sides of the reference object and the part to be detected, so that two ends of a differential pressure sensor are balanced, if the part to be detected leaks, even if the part to be detected leaks slightly, the differential pressure sensor loses balance, so that the differential pressure generated by leakage at the two ends is detected, the gas sealing performance detector measures the specific leakage amount of the part according to the change of the.
The air-tight instrument detects air pressure change to other devices, if the air pressure is not convenient, the air-tight instrument is good in sealing, if the air pressure is reduced, the air-tight instrument is an air leakage device, after the air-tight instrument is used for a long time, because internal devices can be damaged, when people can not judge whether the inside of the air-tight instrument is damaged but detect parts of the device, the problem of inaccurate detection result can occur, the whole machine device is unqualified, the air-tight instrument is required to be detected and adjusted again, a large amount of time is wasted, meanwhile, when the air-tight instrument is not used for a long time, if the air-tight instrument is placed in a humid environment for a long time, the air-tight instrument does not have a damp-proof structure or does not have a good damp-proof structure, the future operation can be influenced, the air-tight instrument can be maintained and replaced, certain economic.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an airtight appearance calibrating device of differential pressure formula to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a differential pressure formula air tightness instrument calibrating device, includes protective housing, pulley bottom plate and air tightness instrument, the lower extreme fixedly connected with pulley bottom plate of protective housing, the left and right sides fixedly connected with curb plate of protective housing is located the right side the centre of curb plate is down position spiral connection has the enclosing cover, is located left the centre of curb plate is on the upper side the first transparent piece of position fixedly connected with, the upper end fixedly connected with detection device of protective housing, sliding connection has the slide below the inside of protective housing, the top fixedly connected with air tightness instrument of slide, the box is stored to the inboard left fixedly connected with drop of water of protective housing, the inboard sliding connection that the box was stored to the drop of water has the drop of water that absorbs water, the terminal surface fixedly connected with ventilative net of box is stored to the drop of water, the left side top fixedly.
Preferably, the left end of the side plate located on the left side is connected with a first screw in a screwed mode, the right end of the side plate located on the right side is connected with the first screw in a screwed mode, thread grooves are formed in the left end and the right end of the protective shell, and the protective shell is connected with the first screw in a screwed mode through the thread grooves.
Preferably, a sliding groove is formed in the lower portion of the inner portion of the protective shell, and the protective shell is clamped with the sliding plate through the sliding groove.
Preferably, detection device includes detection device shell and detection device lid, the bottom fixedly connected with protective housing of detection device shell, the top fixedly connected with detection device lid of detection device shell, the top screwed connection of detection device lid has the second screw, the first detection case of inside right side fixedly connected with of detection device shell, the first airtight joint of top fixedly connected with of first detection case, the inside left side fixedly connected with second detection case of detection device shell, the top right side fixedly connected with second airtight joint of second detection case, the ventilative piece of top left side fixedly connected with of second detection case, the top sliding connection of ventilative piece has the shield.
Preferably, threaded grooves are formed in the left side and the right side above the detection device shell, the detection device shell is in threaded connection with the second screw through the threaded grooves, a through hole is formed in the detection device cover, and the detection device cover is clamped with the first airtight joint, the second airtight joint and the ventilation block through the through holes.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through the first airtight joint that sets up, open the enclosing cover and take out the outlet duct of airtight appearance, start airtight appearance and carry out the first time detection calibration after being connected outlet duct and first detection case, judge whether the inside of airtight appearance is trouble through observing whether atmospheric pressure changes, after the first time detection calibration, through the second airtight joint that sets up, start airtight appearance and carry out the second time detection calibration after being connected outlet duct and second detection case, open the shield simultaneously and show the ventilative piece, judge whether the inside of airtight appearance is trouble through observing whether atmospheric pressure descends continuously, be convenient for carry out the self-checking calibration before airtight appearance detects other apparatus, effectively prevent the unsafe problem of testing result, adjust again after avoiding encountering the problem, save a large amount of time;
2. the utility model discloses in, store box and ventilative net through the drop of water that sets up, the drop of water that will absorb water is placed inside the box is stored to the drop of water to carry out dampproofing dehumidification effect to the outside of ventilative net, simultaneously through the first screw that sets up, can disassemble curb plate and protective housing, when the drop of water absorption in the drop of water storage box is saturated, take out sunning work to it, be convenient for effectively prevent airtight appearance because of the work of weing and causing the influence to the work in the future, avoid maintaining and changing it, effectively avoid causing economic loss.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the detection device of the present invention.
In the figure: 1-protective shell, 2-pulley bottom plate, 3-side plate, 4-first screw, 5-outer cover, 6-first transparent block, 7-detection device, 701-detection device shell, 702-detection device cover, 703-second screw, 704-first detection box, 705-first airtight joint, 706-second detection box, 707-second airtight joint, 708-airtight block, 709-dustproof cover, 8-chute, 9-sliding plate, 10-airtight instrument, 11-water bead storage box, 12-water absorption bead, 13-air permeable net and 14-second transparent block.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
the utility model provides a differential pressure formula air tightness appearance calibrating device, including protective housing 1, pulley bottom plate 2 and air tightness appearance 10, the lower extreme fixedly connected with pulley bottom plate 2 of protective housing 1, the left and right sides fixedly connected with curb plate 3 of protective housing 1, the centre of the curb plate 3 that is located the right side is lower than position spiral connection has enclosing cover 5, the centre that is located left curb plate 3 is higher than position fixedly connected with first transparent block 6, the upper end fixedly connected with detection device 7 of protective housing 1, the inside below sliding connection of protective housing 1 has slide 9, slide 9's top fixedly connected with air tightness appearance 10, box 11 is stored to the inboard left fixedly connected with drop of water of protective housing 1, the inboard sliding connection of box 11 is stored to the drop of water has the drop of water 12 that absorbs water, the terminal surface fixedly connected with ventilative net 13 of box 11 is stored to the drop of water, box.
The left end of the side plate 3 positioned on the left side is in threaded connection with a first screw 4, the right end of the side plate 3 positioned on the right side is in threaded connection with the first screw 4, thread grooves are formed in the left end and the right end of the protective shell 1, and the protective shell 1 is in threaded connection with the first screw 4 through the thread grooves, so that the protective shell 1 and the side plate 3 can be conveniently disassembled; a sliding groove 8 is formed in the lower portion of the inner portion of the protective shell 1, the protective shell 1 is clamped with the sliding plate 9 through the sliding groove 8, and the air tightness instrument 10 can be conveniently taken by pulling the sliding plate 9; the detection device 7 comprises a detection device shell 701 and a detection device cover 702, the bottom end of the detection device shell 701 is fixedly connected with the protective shell 1, the detection device cover 702 is fixedly connected above the detection device shell 701, a second screw 703 is spirally connected above the detection device cover 702, a first detection box 704 is fixedly connected on the right side inside the detection device shell 701, a first airtight joint 705 is fixedly connected above the first detection box 704, a second detection box 706 is fixedly connected on the left side inside the detection device shell 701, a second airtight joint 707 is fixedly connected on the right side above the second detection box 706, an air permeable block 708 is fixedly connected on the left side above the second detection box 706, and a dustproof cover 709 is slidably connected above the air permeable block 708, so that the detection and calibration work of the airtight instrument 10 is facilitated; the left side and the right side above the detection device shell 701 are provided with thread grooves, the detection device shell 701 is in threaded connection with a second screw 703 through the thread grooves, a through hole is formed in the detection device cover 702, and the detection device cover 702 is respectively clamped with a first airtight joint 705, a second airtight joint 707 and a ventilation block 708 through the through holes, so that the first detection box 704 and the second detection box 706 are effectively protected.
The working process is as follows: when the air-tight instrument 10 needs to be detected, the outer cover 5 is opened through the first air-tight joint 705, the air outlet pipe of the air-tight instrument 10 is taken out, the air outlet pipe is connected with the first detection box 704, then the air-tight instrument 10 is started for first detection, whether the inside of the air-tight instrument 10 is in fault is judged by observing whether the air pressure changes or not, after the first detection, the air outlet pipe is connected with the second detection box 706 through the second air-tight joint 707, then the air-tight instrument 10 is started for second detection, meanwhile, the dustproof cover 709 is opened to expose the air-permeable block 708, whether the inside of the air-tight instrument 10 is in fault is judged by observing whether the air pressure continuously drops or not, the self-detection calibration is convenient before the air-tight instrument 10 detects other instruments, when the air-tight instrument 10 is not used for a long time, the device is conveyed to a safe position through the pulley bottom, will absorb water pearl 12 and place inside the box 11 is stored to the drop of water, and carry out dampproofing dehumidification effect to the outside of ventilative net 13, simultaneously through first screw 4, can disassemble curb plate 3 and protective housing 1, open curb plate 3 on right side, draw and get slide 9, place airtight appearance 10 in the top of slide 9, and impel slide 9 to protective housing 1 in, through first transparent piece 6 and second transparent piece 14, it is saturated whether to observe the pearl 12 that absorbs water, if absorb water pearl 12 and saturate, store box 11 and take out the sunning work to it after opening left curb plate 3, be convenient for effectively prevent airtight appearance 10 because of the influence that causes the work in the future that wets.
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 (5)
1. The utility model provides an airtight appearance calibrating device of differential pressure formula, includes protective housing (1), pulley bottom plate (2) and airtight appearance (10), its characterized in that: the lower end of the protective shell (1) is fixedly connected with a pulley bottom plate (2), the left side and the right side of the protective shell (1) are fixedly connected with side plates (3), the middle lower position of the side plate (3) positioned on the right side is spirally connected with an outer cover (5), the middle upper position of the side plate (3) positioned on the left side is fixedly connected with a first transparent block (6), the upper end of the protective shell (1) is fixedly connected with a detection device (7), the lower part inside the protective shell (1) is slidably connected with a sliding plate (9), the upper part of the sliding plate (9) is fixedly connected with an air-tight instrument (10), the left side inside of the protective shell (1) is fixedly connected with a water drop storage box (11), the inner side of the water drop storage box (11) is slidably connected with a water absorption drop (12), and the end surface of the water, and a second transparent block (14) is fixedly connected to the upper part of the left side of the water drop storage box (11).
2. The differential pressure type airtightness instrument calibration apparatus according to claim 1, wherein: the left end of the side plate (3) located on the left side is connected with a first screw (4) in a screwed mode, the right end of the side plate (3) located on the right side is connected with the first screw (4) in a screwed mode, threaded grooves are formed in the left end and the right end of the protective shell (1) respectively, and the protective shell (1) is connected with the first screw (4) in a screwed mode through the threaded grooves formed in the left end and the right end of the protective shell.
3. The differential pressure type airtightness instrument calibration apparatus according to claim 1, wherein: the protective shell is characterized in that a sliding groove (8) is formed in the lower portion of the inner portion of the protective shell (1), and the protective shell (1) is clamped with a sliding plate (9) through the arranged sliding groove (8).
4. The differential pressure type airtightness instrument calibration apparatus according to claim 1, wherein: the detection device (7) comprises a detection device shell (701) and a detection device cover (702), the bottom end of the detection device shell (701) is fixedly connected with a protective shell (1), a detection device cover (702) is fixedly connected above the detection device shell (701), a second screw (703) is spirally connected above the detection device cover (702), a first detection box (704) is fixedly connected at the right side in the detection device shell (701), a first airtight joint (705) is fixedly connected above the first detection box (704), a second detection box (706) is fixedly connected to the left side inside the detection device shell (701), a second airtight joint (707) is fixedly connected to the right side above the second detection box (706), the upper left side of the second detection box (706) is fixedly connected with an air permeable block (708), and a dust cover (709) is slidably connected to the upper side of the air permeable block (708).
5. The differential pressure type airtightness instrument calibration apparatus according to claim 4, wherein: the left side and the right side above the detection device shell (701) are provided with thread grooves, the detection device shell (701) is in threaded connection with a second screw (703) through the arranged thread grooves, a through hole is formed in the detection device cover (702), and the detection device cover (702) is respectively clamped with a first airtight joint (705), a second airtight joint (707) and a ventilation block (708) through the arranged through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021006040.4U CN212254469U (en) | 2020-06-04 | 2020-06-04 | Differential pressure type air tightness instrument calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021006040.4U CN212254469U (en) | 2020-06-04 | 2020-06-04 | Differential pressure type air tightness instrument calibrating device |
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| CN212254469U true CN212254469U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021006040.4U Active CN212254469U (en) | 2020-06-04 | 2020-06-04 | Differential pressure type air tightness instrument calibrating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405744A (en) * | 2021-06-16 | 2021-09-17 | 重庆科技学院 | Automatic detection system for air tightness of box |
| CN116505086A (en) * | 2023-06-26 | 2023-07-28 | 西安峰盛智能电子有限公司 | Battery cell packaging system for lithium battery production |
-
2020
- 2020-06-04 CN CN202021006040.4U patent/CN212254469U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405744A (en) * | 2021-06-16 | 2021-09-17 | 重庆科技学院 | Automatic detection system for air tightness of box |
| CN116505086A (en) * | 2023-06-26 | 2023-07-28 | 西安峰盛智能电子有限公司 | Battery cell packaging system for lithium battery production |
| CN116505086B (en) * | 2023-06-26 | 2023-11-14 | 常州厚丰新能源有限公司 | Battery cell packaging system for lithium battery production |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211028 Address after: 570300 No. 602, floor 6, block B, building C2, Jinlu Industrial Park, No. 199, Haiyu middle line, Haikou City, Hainan Province Patentee after: Smart measurement and testing (Hainan) Co.,Ltd. Address before: 510000 room 115, comprehensive service building, No. 80, Langyue Road, Huangpu District, Guangzhou City, Guangdong Province (office only) Patentee before: Guangdong Gaodian measurement and Testing Co.,Ltd. |