CN209198027U - A kind of pneumatic sealing test device - Google Patents

A kind of pneumatic sealing test device Download PDF

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Publication number
CN209198027U
CN209198027U CN201822041066.1U CN201822041066U CN209198027U CN 209198027 U CN209198027 U CN 209198027U CN 201822041066 U CN201822041066 U CN 201822041066U CN 209198027 U CN209198027 U CN 209198027U
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China
Prior art keywords
cylinder
door
piston
test device
corresponding matching
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Application number
CN201822041066.1U
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Chinese (zh)
Inventor
朱安徽
郑自清
陈伟民
李兴珠
陈征北
周志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI FANGYUAN MECHANICAL & ELECTRICAL Co Ltd
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ANHUI FANGYUAN MECHANICAL & ELECTRICAL Co Ltd
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Priority to CN201822041066.1U priority Critical patent/CN209198027U/en
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Abstract

The utility model provides a kind of pneumatic sealing test device, it includes the first cylinder (1), the second cylinder (2) are connected in the first cylinder (1) one end, second cylinder (2) is connected to by tracheae with gas source (3), valve (5) are additionally provided on tracheae, detection storehouse (6) is equipped in the first cylinder (1) side, the detection storehouse (6) is connected to by tracheae with the first cylinder (1), door seat (4) are equipped in detection storehouse (6) one end, the door (7) of corresponding matching is equipped on door seat (4), there are also vacuum meter (6b) on detection storehouse (6) warehouse.The gas tightness that the utility model structure is simple, easy to use, cheap, maintenance is simple, equipment facilitates carrying, can be accurately detected test product.

Description

A kind of pneumatic sealing test device
Technical field:
The utility model relates to sealing detection technical fields, are specifically exactly a kind of pneumatic sealing test device.
Background technique:
It the use of vacuum pump is to realize the principal mode vacuumized at present, conventional vacuum pump, which vacuumizes, is intended to reach setting pressure need Tens of seconds have balanced gas inside and outside certain test products possibility, cannot detect the leakproofness of test product detection strictly according to the facts; The firer area for being engaged in war production has high requirement to the explosion-proof performance of vaccum-pumping equipment, and antiknock device cost is big.Mostly Detection water-tight equipment detection accuracy is low, working efficiency is low, and heaviness is not easy to carry.
Utility model content:
The application is exactly in order to overcome the shortcomings in the prior art, to provide a kind of pneumatic sealing test device.
The application the following technical schemes are provided:
A kind of pneumatic sealing test device, it is characterised in that: it includes the first cylinder, is equipped with the second gas in the first cylinder side Cylinder, be equipped in the second cylinder with its cylinder body corresponding matching second piston, be connected with piston rod in second piston, piston connects Bar one end, which is inserted into the first cylinder, connect cooperation with the first piston in the first cylinder, and the second cylinder is compressed by tracheae and air Machine connection, is additionally provided with valve on tracheae, is equipped with detection storehouse in the first cylinder other side, the detection storehouse passes through tracheae and first Cylinder connection is equipped with door seat in detection storehouse one end, the door of corresponding matching is equipped in door seat one end, in the door seat other end Equipped with the set lever with door corresponding matching, there are also vacuum meters on detection storehouse warehouse.
Based on the above technical solution, there can also be technical solution further below:
It is equipped with annular groove in door side, the sealing ring with door seat corresponding matching is equipped in annular groove.
The set lever includes being hinged with rotary pressure plate on door seat, is equipped with and stretches on the periphery of rotary pressure plate Hand-held part out is equipped with the slope surface of one section with door corresponding matching on rotary pressure plate lower surface.
It is arranged with a pair of of mounting base on the outer wall of the first cylinder, one group of pull rod is equipped in mounting base, is drawn at every One end office (EO) of bar is equipped with extension, and positioning plate is equipped on extension, and the second described cylinder one end is connected on positioning plate, and It is arranged with the first nut and the second nut of corresponding matching respectively on the extension of positioning plate two sides.
The valve is air operated reversing valve.
Utility model advantage:
The utility model structure is simple, easy to use, cheap, maintenance is simple, can be accurately detected test product Gas tightness meets firer area requirement of explosion proof, and application place is extensive, and equipment facilitates carrying, the dismounting of each component simple, and cylinder is each The advantages that stroke is consistent, ensure that the consistency and accuracy of detection, and operational efficiency is high, and subsequent maintenance facilitates.
Detailed description of the invention:
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the structural schematic diagram of the set lever in Fig. 2;
Fig. 4 is the structural schematic diagram of limited block in Fig. 1;
Fig. 5 is the left view of Fig. 4.
Specific embodiment:
As shown in Figs. 1-5, a kind of pneumatic sealing test device, it includes that one pressure range of setting is×The first cylinder 1 of < P < 0KPa is equipped with the first piston 1a with inboard wall of cylinder block corresponding matching in the first cylinder 1.
It is arranged with a mounting base 9 respectively on the left part of the first cylinder 1 and the outer wall of right part, in two mounting bases The gas nozzle 9a for being respectively equipped with one on 9 and being connected in cylinder body, is additionally provided with one group of pull rod 10 in two mounting bases 9, every described One end of pull rod 10 is extended with one section of extension being coaxially distributed to the right side of the first cylinder 1 again after the mounting base 9 of right part Portion 10a, the extension 10a are screw structure, are arranged with a positioning plate 11 on one group of extension 10a, It is arranged with the first nut 12 on the extension 10a of the every pull rod 10 in 11 left side of positioning plate, the every drawing on 11 right side of positioning plate It is arranged with the second nut 13 on the extension 10a of bar 10, positioning plate is fixedly connected on extension by the first and second nut.
Right end in the first cylinder 1 is equipped with a limited block 14, and the limited block 14 includes rotary table portion 14a and boss Portion 14b, the boss portion 14b are inserted on the cylinder body of 1 right end of the first cylinder, so that rotary table portion 14a is located in the first cylinder 1 Right end.
Through-hole 14c, the through-hole 14c, rotary table portion 14a and boss portion are equipped on rotary table portion 14a and boss portion 14b 14b is coaxial distribution, and one group of through slot 14d distributed along its axial direction is also evenly distributed on through-hole 14c inner wall.The rotary table portion 14a and boss portion 14b are an integral structure.
Second cylinder 2 is equipped on positioning plate 11, the diameter of second cylinder 2 is the two of 1 diameter of the first cylinder / mono-.In the second cylinder 2 be equipped with cylinder body corresponding matching second piston 2a, be connected with piston rod on second piston 2a 2b, the left end piston rod 2b are inserted into the first cylinder 1 after the through-hole 14c on limited block 14 and first in the first cylinder 1 Piston 1a connection cooperation.The piston rod 2b, the second cylinder 2 and the first cylinder 1 are coaxial distribution.
The left gas nozzle 2c for being equipped on the left part of the second cylinder 2 and being connected in cylinder body, on the right part of the second cylinder 2 Equipped with the right valve 2d that is connected in cylinder body, be equipped with valve 5 in 2 side of the second cylinder, the valve 5 is air operated reversing valve, The left gas nozzle 2c passes through an orifice of tracheae and valve 5, and the right valve 2d passes through another tracheae and valve Another orifice of door 5 is equipped with the high-pressure air pipe being connected to air compressor 3 in 5 one end of valve.
It is equipped with detection storehouse 6 in 1 other side of the first cylinder, connection mouth 6a is equipped on detection storehouse 6, connection mouth 6a is by addition A piece tracheae is connected to the gas nozzle 9a in 1 left part mounting base 9 of the first cylinder, door seat 4 is equipped in detection 6 one end of storehouse, in storehouse 4 one end of gate seat is hinged with the door 7 with 4 corresponding matching of door seat, is hinged in 4 other end of door seat corresponding with the formation of door 7 The set lever 8 for locking cooperation, there are also vacuum meter 6b on detection 6 warehouse of storehouse.
It is equipped with the annular groove 7a being coaxially distributed with door 7 on the inside of door 7, match corresponding with door seat 4 is equipped in annular groove 7a The sealing ring 7b of conjunction.
The set lever 8 includes hinged rotary pressure plate 8a on 4 other side of door seat, in the outer of rotary pressure plate 8a Disc is equipped with hand-held part 8b, and one section of slope being distributed with the arc of 7 corresponding matching of door is equipped on the lower surface rotary pressure plate 8a Face 8c.After door closing, rotation hand-held part drives rotary pressure plate rotation, slope surface and door upper surface on rotary pressure plate lower surface Contact, gradually compresses door with the rotation of rotary pressure plate, to will test storehouse sealing.
Application method:
Step 1, unit check, first turn on air compressor then open detection storehouse 6 on door 7, rotate forward valve Door 5, so that the second piston 2a in the second cylinder 2 is moved to the left end of cylinder body;The piston being connected simultaneously with second piston 2a connects The first piston 1a that bar 2b also will drive in the first cylinder 1 is moved downward, until first piston 1a runs to the first cylinder 1 most Left end.
Second step closes door 7, rotates backward valve 5, and second piston 2a starts to run to the right end of the second cylinder body, At this moment the first piston 1a in the first cylinder 1 also starts mobile to the right end of the first cylinder body, and the gas at this moment detected in storehouse 6 then can It is gradually pumped into the first cylinder 1 on the left of first piston 1a, while the gas nozzle 9a on 1 right part through slot 14d and the first cylinder The first cylinder 1 is discharged in air in the first cylinder 1 on the right side of first piston 1a.Until right side and the first gas of first piston 1a The rotary table portion 14a of 1 inner limited block 14 of cylinder forms limit cooperation.Vacuum meter 6b numerical value on then observation detection storehouse 6.
Third step, detection 6 pressure maintaining of storehouse after a certain period of time, observe the numerical value of vacuum meter 6b, as unchanged, show to examine Survey 6 hermetic seal of storehouse is good, and at this moment whole equipment just can be used for the air-tightness of testing product, then rotates forward valve 5, so that the Second piston 2a in two cylinders 2 runs to the left end of cylinder body.
Four steps, then opens door 7 product that detects will be needed to be put into detection storehouse 6 and then carried out the one by one Two steps and third step complete the detection to products air tightness, then open door 7 again and take out the product detected in storehouse 6.
In actual production, multiple limited blocks 14 for possessing different-thickness rotary table portion 14a can be processed.When needing to adjust When stroke of the one piston 1a in the first cylinder, can by replace possess the rotary table portion 14a of different length limited block 14 it is real It is existing, to make the present apparatus be suitable for the detection to multiple product.

Claims (5)

1. a kind of pneumatic sealing test device, it is characterised in that: it includes the first cylinder (1), is equipped with the in the first cylinder (1) side Two cylinders (2), be equipped in the second cylinder (2) with its cylinder body corresponding matching second piston (2a), connect on second piston (2a) It is connected to piston rod (2b), piston rod one end (2b) is inserted into the first cylinder (1) and the first piston in the first cylinder (1) (1a) connection cooperation, the second cylinder (2) are connected to by tracheae with air compressor (3), and valve (5) are additionally provided on tracheae, First cylinder (1) other side is equipped with detection storehouse (6), and the detection storehouse (6) is connected to the first cylinder (1) by tracheae, is being detected Storehouse (6) one end is equipped with door seat (4), the door (7) of corresponding matching is equipped in door seat (4) one end, in door seat (4) other end Equipped with the set lever (8) with door (7) corresponding matching, there are also vacuum meter (6b) on detection storehouse (6) warehouse.
2. a kind of pneumatic sealing test device according to claim 1, it is characterised in that: be equipped with ring in door (7) side Slot (7a) is equipped with the sealing ring (7b) with door seat (4) corresponding matching in annular groove (7a).
3. a kind of pneumatic sealing test device according to claim 1, it is characterised in that: set lever (8) packet It includes and is hinged with rotary pressure plate (8a) on door seat (4), be equipped on the periphery of rotary pressure plate (8a) and stretch out hand-held part (8b), The slope surface (8c) of one section with door (7) corresponding matching is equipped on the lower surface rotary pressure plate (8a).
4. a kind of pneumatic sealing test device according to claim 1, it is characterised in that: the outer wall in the first cylinder (1) On be arranged with a pair of of mounting base (9), one group of pull rod (10) is equipped on mounting base (9), is all provided in every pull rod (10) one end There is extension (10a), be equipped on extension (10a) positioning plate (11), described the second cylinder (2) one end is connected to positioning On plate (11), and be arranged with respectively on the extension (10a) of positioning plate (11) two sides corresponding matching the first nut (12) and Second nut (13).
5. a kind of pneumatic sealing test device according to claim 1, it is characterised in that: the valve (5) is pneumatic Reversal valve.
CN201822041066.1U 2018-12-06 2018-12-06 A kind of pneumatic sealing test device Active CN209198027U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822041066.1U CN209198027U (en) 2018-12-06 2018-12-06 A kind of pneumatic sealing test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822041066.1U CN209198027U (en) 2018-12-06 2018-12-06 A kind of pneumatic sealing test device

Publications (1)

Publication Number Publication Date
CN209198027U true CN209198027U (en) 2019-08-02

Family

ID=67427984

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822041066.1U Active CN209198027U (en) 2018-12-06 2018-12-06 A kind of pneumatic sealing test device

Country Status (1)

Country Link
CN (1) CN209198027U (en)

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