CN217358880U - Leakage test device of oxygenerator filtration control lid - Google Patents
Leakage test device of oxygenerator filtration control lid Download PDFInfo
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- CN217358880U CN217358880U CN202221071701.0U CN202221071701U CN217358880U CN 217358880 U CN217358880 U CN 217358880U CN 202221071701 U CN202221071701 U CN 202221071701U CN 217358880 U CN217358880 U CN 217358880U
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Abstract
The utility model discloses a leakage test device of a filter control cover of an oxygenerator, which comprises a base, wherein the base is provided with a test bracket and a lifting component for driving the test bracket to move up and down; the bottom of the test bracket is provided with a test board, and a storage groove is arranged in the test board; the top of the test support is provided with a liftable detection block, and the middle of the detection block is provided with a vent hole; the test board is provided with an induction switch, the detection block is provided with a top block towards one side of the test board, and the top block and the induction switch work in a matched mode. The utility model discloses utilize the detection piece that can reciprocate to closely laminate with oxygenerator filter control lid, inside forms airtight space, and has set up kicking block and inductive switch, utilizes inductive switch to detect the condition that targets in place of pushing down of piece, detects out the gas tightness of oxygenerator filter control lid accurately, fast.
Description
Technical Field
The utility model relates to a leak test equipment technical field, in particular to leak test device of oxygenerator filtration control lid.
Background
The oxygen generator is a kind of machine for producing oxygen and its principle is that it utilizes air separation technology. The air is compressed in high density, and then gas-liquid separation is carried out at a certain temperature by utilizing the difference of condensation points of all components in the air, and then the air is rectified to be separated into oxygen and nitrogen. The filtration control lid of oxygenerator need detect the gas tightness of filtration control lid after the die-casting shaping, avoids appearing the gas leakage problem, guarantees the quality of oxygenerator.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a leakage test device and method of oxygenerator filtration control lid, convenient operation, but the gas tightness of short-term test filtration control lid.
Therefore, the technical scheme of the utility model is that: a leakage test device of a filter control cover of an oxygenerator comprises a base, wherein a test bracket and a lifting assembly for driving the test bracket to move up and down are arranged on the base; the testing support is in an Contraband-shaped structure, a testing table is arranged at the bottom of the testing support, and an article placing groove is formed in the testing table; the top of the test support is provided with a liftable detection block, and the middle of the detection block is provided with a vent hole; the detection block is located right above the test board, an induction switch is arranged on the test board, a top block is arranged on the detection block towards one side of the test board, and the top block and the induction switch work in a matched mode.
The utility model places the filter control cover of the oxygenerator to be tested in the storage groove of the test board, and the storage groove is matched with the structure of the filter control cover of the oxygenerator; the detection block can move downwards to be tightly attached to the filter control cover of the oxygen generator, so that a closed space is formed inside the filter control cover of the oxygen generator, in order to ensure the airtightness, the ejection block and the induction switch are arranged, the detection block drives the ejection block to move downwards, when the ejection block presses the induction switch downwards, the induction switch can send a proper signal to indicate that the detection block presses downwards in place, so that the PLC control module can dip the detection support into the water tank; the vent hole in the detection block can blow air to the filter control cover of the oxygen generator, and if no bubble is generated in the water tank, the air tightness of the filter control cover of the oxygen generator is good; if bubbles are generated, the air tightness of the filter control cover of the oxygen generator is poor.
Preferably, a first air cylinder is mounted at the top of the test support, and the detection block is mounted on a first air cylinder rod of the first air cylinder; the first cylinder rod is of a hollow structure, the top of the first cylinder rod is connected with an air inlet pipe, and the bottom of the first cylinder rod is communicated with a plurality of vent holes of the detection block. The first cylinder can drive the detection block to move downwards, the detection block is tightly attached to the filter control cover of the oxygen generator, and then the hollow first cylinder rod is used for blowing air, so that an air inlet pipeline is simplified.
Preferably, the lifting assembly comprises a fixed support, a lifting support and a second cylinder, a guide rail is arranged on one side of the fixed support, which faces the lifting support, and a sliding block matched with the guide rail is arranged on the lifting support; the second cylinder is arranged on the fixed support, and a cylinder rod of the second cylinder is fixedly connected with the lifting support; the test support is arranged on the lifting support. The second cylinder can drive the lifting support to move up and down along the fixed support, so that the test support is driven to enter and exit the water tank, and air tightness detection is completed.
Preferably, the fixed support is arranged on the base, the fixed support is of a hollow structure, a through hole is formed in the top of the fixed support, and the guide rod is arranged in the through hole; the top of the lifting support is provided with a guide block, and the guide block is fixed on the top of the guide rod. When the lifting support moves up and down, the guide block can drive the guide rod to move up and down, so that the guide rod moves along the through hole at the bottom of the fixed support, and the moving stability of the lifting support is guaranteed.
Preferably, the bottom of the test support is provided with a positioning hole, a positioning column is arranged below the test board, and the positioning column is matched with the positioning hole; and magnets are arranged in the positioning holes, and the test board is fixed at the bottom of the test support through the positioning columns. The test board can be arranged in the positioning hole through the positioning column and firmly adsorbed by the magnet, so that the test board is not moved, and the test board is convenient to disassemble and assemble.
Preferably, a U-shaped opening is formed in the side face of the test board, a lateral ejector rod and a third cylinder are further arranged at the bottom of the test support, and the lateral ejector rod is mounted on a cylinder rod of the third cylinder; the lateral ejector rod can extend into the U-shaped opening. Because the side of the filter control cover of the oxygen generator is provided with the air hole, when the air tightness is detected, the air hole needs to be blocked, and therefore the lateral ejector rod can be plugged into the air hole to block the air hole.
Compared with the prior art, the beneficial effects of the utility model are that: the detection block capable of moving up and down is tightly attached to the filter control cover of the oxygen generator, a closed space is formed inside the detection block, the top block and the inductive switch are arranged, and the downward pressing in-place condition of the block is detected by the inductive switch; the hollow first cylinder rod is used as a ventilation pipeline, so that the ventilation hole in the detection block can blow air to the filter control cover of the oxygen generator, the generation of bubbles in the water tank is observed, and the air tightness of the filter control cover of the oxygen generator is accurately and quickly detected.
Drawings
The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention (with the water tank hidden);
FIG. 3 is a structural test chart of the present invention;
FIG. 4 is a sectional view of the test board and the test block of the present invention;
FIG. 5 is a schematic structural view of the test board of the present invention;
fig. 6 is a structural cross-sectional view of the inductive switch of the present invention.
Labeled as: the device comprises a base 1, a test support 2, a positioning hole 21, a magnet 22, a fixing support 31, a lifting support 32, a second air cylinder 33, a guide block 34, a test board 4, a positioning column 41, an article placing groove 42, a U-shaped opening 43, a lateral ejector rod 51, a third air cylinder 52, a first air cylinder 61, a first air cylinder rod 62, a detection block 63, an air vent 64, an ejector block 65, an induction switch 7, an induction seat 71, an induction rod 72, an induction contact 73, a spring 74, a water tank 8, an oxygenerator filter control cover 9, a triangle-like groove 91 and an air vent column 92.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.
See the drawings. The leakage test device of the filter control cover of the oxygen generator comprises a base 1, wherein a test support 2 and a lifting assembly for driving the test support 2 to move up and down are arranged on the base, the lifting assembly comprises a fixed support 31, a lifting support 32 and a second air cylinder 33, a guide rail is arranged on one side, facing the lifting support 32, of the fixed support 31, and a sliding block matched with the guide rail is arranged on the lifting support 32; the second cylinder 33 is arranged on the fixed bracket 31, and a cylinder rod of the second cylinder 33 is fixedly connected with the lifting bracket 32; the test rack 2 is mounted on a lifting rack 32. The second cylinder 33 can drive the lifting support 32 to move up and down along the fixing support 31, so as to drive the test support 2 to enter and exit the water tank 8, and the air tightness detection is completed.
The fixed support 31 is arranged on the base 1, the fixed support 31 is of a hollow structure, a through hole is formed in the top of the fixed support, and the guide rod is arranged in the through hole; the top of the lifting support 32 is provided with a guide block 34, and the guide block is fixed on the top of the guide rod. When the lifting support moves up and down, the guide block can move up and down along the guide rod, so that the moving stability of the lifting support is ensured.
The testing support 2 is of an Contraband-shaped structure, the testing platform 4 is arranged at the bottom of the testing support, a positioning hole 21 is formed in the bottom of the testing support 2, a positioning column 41 is arranged below the testing platform 4, and the positioning column 41 is matched with the positioning hole 21; the magnet 22 is arranged in the positioning hole 21, and the test bench 4 is fixed at the bottom of the test support 2 through the positioning column 41 and firmly adsorbed by the magnet 22. Be equipped with on testboard 4 and put thing groove 42, put the structure adaptation of thing groove 42 and oxygenerator filter control lid 9, place oxygenerator filter control lid in putting the thing inslot when detecting, put the thing inslot and can plug up the adsorbed several exhaust holes of oxygenerator filter control lid, prevent gas leakage.
Because there is the gas pocket in oxygenerator filtration control lid side, when detecting the gas tightness, need plug up the gas pocket. Therefore, the side surface of the test bench 4 is provided with a U-shaped opening 43, the bottom of the test support 2 is also provided with a lateral ejector rod 51 and a third air cylinder 52, and the lateral ejector rod 51 is arranged on an air cylinder rod of the third air cylinder 52; the lateral ejector rod 51 can be plugged into the air hole through the U-shaped opening 43 to plug the air hole.
The top of the test support 2 is provided with a first cylinder 61, a first cylinder rod 62 of the first cylinder is provided with a detection block 63, the middle of the detection block 63 is provided with a plurality of vent holes 64, and the interior of the detection block 63 is provided with an air passage communicated with each vent hole; the first cylinder rod 62 is of a hollow structure, the top of the first cylinder rod is connected with an air inlet pipe, the bottom of the first cylinder rod is connected with an air passage in the detection block 63, and air can be blown out from a plurality of air holes.
The detection block 63 is positioned right above the test board 4, the test board 4 is provided with an induction switch 7, one side of the detection block 63, which faces the test board, is provided with a top block 65, and the top block 65 and the induction switch 7 work in a matching mode; the induction switch 7 comprises an induction seat 71 and an induction rod 72, the induction seat 71 is fixed at the bottom of the test support 2, a first through hole for the induction rod to move up and down is formed in the induction seat, an induction contact 73 is arranged at the bottom of the induction seat 71, and the induction contact and the induction rod work in a matching mode; the sensing rod is sleeved with a spring 74, one end of the spring 74 is propped against the sensing rod 72, and the other end of the spring 74 is propped against the sensing seat 71. Normal state, spring make response pole and response contact separation, after the response pole is pushed down to the end by the kicking block, the response pole meets with the response contact, and the response contact receives pressure and takes place deformation, produces the potential difference to send the signal that targets in place to PLC control module, make PLC control module can control lifting unit work.
Still be equipped with water tank 8 on the base 1, test support 2 below is arranged in to water tank 8, and test support 2 can dip in water tank 8 in, carries out the gas tightness test.
When in detection, the method comprises the following steps:
1) in the initial state, the test support 2 is positioned above the water tank 8;
2) placing an oxygenerator filter control cover 9 in a storage groove in a test board 4, wherein the oxygenerator filter control cover 9 consists of 5 triangular grooves 91, a convex ventilation column 92 is arranged in the middle, and an air hole is formed in the side surface of the oxygenerator filter control cover; the storage groove is attached to the bottom of the filter control cover of the oxygen generator to block each exhaust hole;
3) the third cylinder 52 works to enable the lateral ejector rod 51 to extend into the U-shaped opening of the test bench 4 to block the air hole in the side face of the filter control cover 9 of the oxygen generator;
4) when the first air cylinder 61 works, the detection block 63 moves downwards and is tightly attached to the top of the filter control cover 9 of the oxygen generator; at the moment, the top block 65 on the detection block presses down the induction rod of the induction switch, so that the induction rod is connected with the induction contact, and the induction switch sends a signal to the PLC control module;
5) after the PLC control module senses a signal sent by the switch, a second air cylinder 33 is started, the second air cylinder drives the lifting support 32 to move downwards, and the test board 4 at the bottom of the test support 2 is immersed in the water tank 8;
6) the first cylinder rod of the first cylinder 61 is ventilated, gas is blown to the filter control cover 9 of the oxygen generator from each vent hole of the detection block 63, and if no bubble is generated in the water tank 8, the air tightness of the filter control cover of the oxygen generator is good; if the bubbles are generated, the air tightness of the filter control cover of the oxygen generator is poor;
7) after the detection is finished, the first cylinder rod stops ventilating, the second cylinder 33 conducts reverse ventilation to drive the test support 2 to leave the water tank 8, the first cylinder 61 and the third cylinder 52 conduct reverse ventilation, the detection block 63 and the lateral ejector rod 51 leave the filter control cover 9 of the oxygen generator, the detected filter control cover of the oxygen generator is taken down, then a new filter control cover of the oxygen generator is placed, and the air tightness detection is carried out by repeating the steps.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A leakage test device of a filter control cover of an oxygen generator comprises a base, wherein a test bracket and a lifting assembly for driving the test bracket to move up and down are arranged on the base; the method is characterized in that: the testing support is in an Contraband-shaped structure, a testing table is arranged at the bottom of the testing support, and an article placing groove is formed in the testing table; the top of the test bracket is provided with a liftable test block, and the middle of the test block is provided with an air vent; the detection block is located right above the test board, an induction switch is arranged on the test board, a top block is arranged on the detection block towards one side of the test board, and the top block and the induction switch work in a matched mode.
2. The leakage test device of the filter control cover of the oxygen generator as claimed in claim 1, wherein: the top of the test bracket is provided with a first air cylinder, and the detection block is arranged on a first air cylinder rod of the first air cylinder; the first cylinder rod is of a hollow structure, the top of the first cylinder rod is connected with an air inlet pipe, and the bottom of the first cylinder rod is communicated with a plurality of vent holes of the detection block.
3. The leakage test device of the filter control cover of the oxygen generator as claimed in claim 1, wherein: the lifting assembly comprises a fixed support, a lifting support and a second air cylinder, a guide rail is arranged on one side of the fixed support, which faces the lifting support, and a sliding block matched with the guide rail is arranged on the lifting support; the second cylinder is arranged on the fixed support, and a cylinder rod of the second cylinder is fixedly connected with the lifting support; the test support is arranged on the lifting support.
4. The leak test device of the filter control cover of the oxygen generator as set forth in claim 3, wherein: the fixed support is arranged on the base and is of a hollow structure, a through hole is formed in the top of the fixed support, and the guide rod is arranged in the through hole; the top of the lifting support is provided with a guide block, and the guide block is fixed on the top of the guide rod.
5. The leakage test device of the filter control cover of the oxygen generator as claimed in claim 1, wherein: the bottom of the test support is provided with a positioning hole, a positioning column is arranged below the test board, and the positioning column is matched with the positioning hole; and magnets are arranged in the positioning holes, and the test board is fixed at the bottom of the test support through the positioning columns.
6. The leak test device of the filter control cover of the oxygen generator as set forth in claim 1, wherein: the lateral surface of the test board is provided with a U-shaped opening, the bottom of the test support is also provided with a lateral ejector rod and a third cylinder, and the lateral ejector rod is arranged on a cylinder rod of the third cylinder; the lateral ejector rod can extend into the U-shaped opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221071701.0U CN217358880U (en) | 2022-04-29 | 2022-04-29 | Leakage test device of oxygenerator filtration control lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221071701.0U CN217358880U (en) | 2022-04-29 | 2022-04-29 | Leakage test device of oxygenerator filtration control lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217358880U true CN217358880U (en) | 2022-09-02 |
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ID=83011703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221071701.0U Active CN217358880U (en) | 2022-04-29 | 2022-04-29 | Leakage test device of oxygenerator filtration control lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217358880U (en) |
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2022
- 2022-04-29 CN CN202221071701.0U patent/CN217358880U/en active Active
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