CN215677432U - Gas purifier gas tightness detection device - Google Patents
Gas purifier gas tightness detection device Download PDFInfo
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- CN215677432U CN215677432U CN202122373779.XU CN202122373779U CN215677432U CN 215677432 U CN215677432 U CN 215677432U CN 202122373779 U CN202122373779 U CN 202122373779U CN 215677432 U CN215677432 U CN 215677432U
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Abstract
The utility model relates to a gas tightness detection device of a gas purifier, which comprises a U-shaped bracket, a first clamping rod, a second clamping rod and an inflation tube, wherein the U-shaped bracket is fixedly connected with the first clamping rod; the first clamping rod and the second clamping rod are respectively arranged at two ends of the U-shaped bracket in a penetrating manner, and are coaxial; a hollow hole is formed in the axis of the first clamping rod, and the inflation tube is communicated with the hollow hole; the first clamping rod or the second clamping rod is in threaded connection with the U-shaped support. The gas tightness detection device for the gas purifier provided by the utility model can be clamped at the inlet end of the gas purifier with the gas tightness detection hole on the same U-shaped support through the first clamping rod and the second clamping rod which are coaxially and oppositely arranged, the gas purifier is propped against the gas tightness detection hole through the clamping action of the clamping rods, and test gas is injected into the gas purifier, so that the gas tightness detection of the gas purifier can be realized.
Description
Technical Field
The utility model relates to the field of gas purifiers, in particular to a gas purifier airtightness detection device.
Background
The purified gas is used in special applications such as medical oxygen in hospitals, high purity argon in laboratories, and high purity hydrogen, oxygen or carbon dioxide in the semiconductor industry. In order to obtain a high-purity gas, the gas to be purified needs to be sent to a gas purification device, and the gas to be purified physically or chemically reacts with certain components in the gas to be purified through a special gas purification packing, so that impurity components in the gas to be purified are absorbed, and the required purified gas is output.
As the purity requirements of the purified gas are higher and higher, higher demands are also made on the tightness of the gas purification apparatus. The inlet and outlet end of the gas purification device adopts the nut and the threaded pipe to be matched and sealed, and due to the mechanical seal, the mechanical vibration is generated due to transportation or transfer, the loosening of the threaded seal is avoided, even if the threaded seal is loosened a little, the tightness of the gas purification device can be seriously reduced, so that the impurity gas in the gas purification device enters, the gas to be purified is polluted, and the production requirement cannot be realized. Therefore, before the purified gas is produced by using the gas purifying apparatus, the tightness of the gas purifying apparatus must first be checked, and there is a need for a gas tightness detecting apparatus which is convenient to operate.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a gas purifier airtightness detection apparatus for at least one of the above-mentioned problems.
The utility model provides a gas purifier gas tightness detection device, which comprises a U-shaped bracket, a first clamping rod, a second clamping rod and an inflation tube, wherein the U-shaped bracket is fixedly connected with the first clamping rod;
the first clamping rod and the second clamping rod are respectively arranged at two ends of the U-shaped bracket in a penetrating manner, and the first clamping rod and the second clamping rod are coaxial;
a hollow hole is formed in the axis of the first clamping rod, and the inflation tube is communicated with the hollow hole; the first clamping rod or the second clamping rod is in threaded connection with the U-shaped support.
In one embodiment, the first clamping rod comprises a first rod body, a first connecting nut and a first spring, and a first annular groove is formed in the peripheral side surface of the first clamping rod; the first connecting nut penetrates through the first rod body, a first threaded through hole is formed in the U-shaped support, and the first connecting nut is in threaded connection with the first threaded through hole; the first spring is arranged in the first ring groove, and one end of the first spring is connected with the first connecting nut in an abutting mode.
In one embodiment, the second clamping rod comprises a second rod body, a second connecting nut and a second spring, and a second ring groove is formed in the peripheral side surface of the second clamping rod; the second connecting nut penetrates through the second rod body, a second threaded through hole is formed in the U-shaped support, and the second connecting nut is in threaded connection with the second threaded through hole; the second spring is arranged in the second ring groove, and one end of the second spring is connected with the second connecting nut in an abutting mode.
In one embodiment, the top ends of the first and second gripping shanks are tapered tops.
In one embodiment, the U-shaped bracket is an elastic bracket with adjustable distance between two ends.
In one embodiment, the U-shaped bracket comprises a first clamping arm, a second clamping arm and a connector, the first clamping arm and the second clamping arm are connected through the connector, and the distance between the first clamping arm and the second clamping arm can be adjusted along the axial direction of the connector.
The technical scheme provided by the embodiment of the utility model has the following beneficial technical effects:
the gas tightness detection device for the gas purifier provided by the utility model can be clamped at the inlet end of the gas purifier with the gas tightness detection hole on the same U-shaped support through the first clamping rod and the second clamping rod which are coaxially and oppositely arranged, the clamping rods are propped against the gas tightness detection hole through the clamping action of the clamping rods, and test gas is injected into the gas purifier, so that the gas tightness detection of the gas purifier can be realized.
Additional aspects and advantages of the present invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is a schematic perspective view of a gas tightness detection device of a gas purifier according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a first clamping bar according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a gas tightness detecting device of a gas purifier according to another embodiment of the present invention;
FIG. 4 is a schematic perspective view of a second clamping bar according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a gas tightness detecting device for a gas purifier according to another embodiment of the present invention.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Possible embodiments of the utility model are given in the figures. The utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein by the accompanying drawings. The embodiments described by way of reference to the drawings are illustrative for the purpose of providing a more thorough understanding of the present disclosure and are not to be construed as limiting the present invention. Furthermore, if a detailed description of known technologies is not necessary for illustrating the features of the present invention, such technical details may be omitted.
It will be understood by those skilled in the relevant art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It is to be understood that the term "and/or" as used herein is intended to include all or any and all combinations of one or more of the associated listed items.
In the prior art, the detection gas purifier needs to take off a sealing nut arranged at an inlet end or connect a gas pipe which can be introduced with test gas, and tries to inject the test gas into the gas purifier, and if the test gas is detected at an outlet end of the gas purifier, the sealing performance of the gas purifier is poor. However, such an operation is troublesome, the connection is complicated, and there is a possibility that a quality accident occurs in which the sealability of the gas purifier is degraded during the test.
The utility model provides a gas purifier airtightness detection device, and aims to solve the technical problems in the prior art.
The technical solution of the present invention and how to solve the above technical problems will be described in detail with specific examples.
An embodiment of the present application provides a gas tightness detecting device for a gas purifier, as shown in fig. 1, including a U-shaped bracket 100, a first clamping rod 200, a second clamping rod 300, and an inflation tube 400; the first clamping rod 200 and the second clamping rod 300 are respectively arranged at two ends of the U-shaped bracket 100 in a penetrating way, and the first clamping rod 200 and the second clamping rod 300 are coaxial; a hollow hole is formed on the axis of the first clamping rod 200, and the inflation tube 400 is communicated with the hollow hole; the first clamping bar 200 or the second clamping bar 300 is threadedly coupled to the U-shaped bracket 100.
In fact, the gas tightness detection device of the gas purifier needs to be used with a special inlet end of the gas purifier, and a gas identification device connected with an outlet end of the gas purifier is also needed. In order to ensure that the air tightness meets the requirement, a metal gasket is generally arranged in the seal bolt 10, and the gasket is pressed and deformed to abut against the metal gasket, so that the air tightness requirement is realized. In order to detect whether the metal gasket is deformed insufficiently, a small test hole is provided in a side end surface of the seal bolt 10, and the small test hole communicates with the inside of the seal bolt 10 as shown in fig. 1. By venting the interior of the seal bolt 10 through the test orifice, if the metal gasket is not sufficiently deformed, gas can enter the interior of the gas purifier and emerge at the outlet end.
During the use, in a blind hole of sealed bolt 10 is supported into on the second supporting rod 300 on U type support 100, aim at the test aperture with the top of first supporting rod 200, and rotatory first supporting rod 200 or second supporting rod 300, make the interval of two supporting rods reduce, and finally with first supporting rod 200 and test aperture butt, realize the cavity hole and the inside intercommunication of sealed bolt 10 of first supporting rod 200, just also can be through the gas tube 400 case sealed bolt 10 internal ventilation of being connected with first supporting rod 200.
According to the gas tightness detection device for the gas purifier, the first clamping rod 200 and the second clamping rod 300 which are coaxially and oppositely arranged can be clamped at the inlet end of the gas purifier provided with the gas tightness detection hole on the same U-shaped support 100, the clamping rods prop against the gas tightness detection hole through the clamping action of the clamping rods, test gas is injected into the gas purifier, and then the helium detector is connected with the purifier or an outlet of a pipeline to detect molecules of the test gas, so that the gas tightness detection of the gas purifier can be realized.
Alternatively, in an embodiment of the present application, as shown in fig. 2 and 3, the first clamping rod 200 includes a first rod 210, a first coupling nut 220 and a first spring 230, and a first ring groove 240 is formed on an outer circumferential surface of the first clamping rod 200; the first connecting nut 220 is arranged on the first rod body 210 in a penetrating mode, a first threaded through hole is formed in the U-shaped support 100, and the first connecting nut 220 is in threaded connection with the first threaded through hole; the first spring 230 is disposed in the first ring groove 240, and one end of the first spring 230 is connected to the first coupling nut 220 in an abutting manner. It should be noted that a through threaded hole is formed in the first connection nut 220, and a certain threaded portion is formed on the first rod 210, so that the first connection nut 220 can be inserted into the first rod 210. Of course, the first coupling nut 220 is also provided with a threaded portion at an outer peripheral side thereof so as to be coupled to the first threaded through hole of the U-shaped bracket 100.
Alternatively, in another embodiment of the present application, as shown in fig. 2 and 3, the second clamping rod 300 includes a second rod body 310, a second coupling nut 320 and a second spring 330, and a second annular groove 340 is formed on the circumferential side surface of the second clamping rod 300; the second connecting nut 320 is arranged on the second rod body 310 in a penetrating mode, a second threaded through hole is formed in the U-shaped support 100, and the second connecting nut 320 is in threaded connection with the second threaded through hole; the second spring 330 is disposed in the second annular groove 340, and one end of the second spring 330 is connected to the second coupling nut 320. The second clamping bar 300 may have a similar or even the same structure as the first clamping bar 200, and reference is made to the above for details, which are not repeated herein.
For illustration, the two clamping rods of the U-shaped bracket 100 are named as a first clamping rod 200 and a second clamping rod 300, respectively, and the two clamping rods may have the same or different structures. At least one of the two clamping rods can move relative to the U-shaped bracket 100, and the position of the two clamping rods on the U-shaped bracket 100 is adjusted, so that the two opposite coaxial clamping rods can move close to or away from each other to adapt to the sealing bolts 10 with different sizes. It should be noted that the U-shaped bracket 100 is used to provide support for two clamping rods, and is not limited to the U-shaped bracket 100, and may be V-shaped or door-shaped. At least one of the first clamping rod 200 and the second clamping rod 300 is provided with an elastic connection structure, so that the first clamping rod 200 and the second clamping rod 300 can elastically clamp the sealing bolt 10, and the sealing bolt 10 is prevented from being damaged.
Alternatively, in an embodiment of the present application, as shown in fig. 3 and 4, the top ends of the first clamping bar 200 and the second clamping bar 300 are tapered tops. The conical top can be conveniently butted with the small test hole and the blind hole. The conical top can be made of elastic sealing materials such as rubber or silica gel.
Optionally, in an embodiment of the present application, the U-shaped bracket 100 is an elastic bracket with adjustable distance between two ends. The U-shaped bracket 100 is made of a material having a certain elasticity, so that the adaptability of the air-tightness detecting device can be further improved.
Alternatively, in another embodiment of the present application, as shown in fig. 5, the U-shaped bracket 100 includes a first clamping arm 110, a second clamping arm 120, and a connector 130, the first clamping arm 110 and the second clamping arm 120 are connected by the connector 130, and a distance between the first clamping arm 110 and the second clamping arm 120 is adjustable along an axial direction of the connector 130. The connecting member may be at least one bolt, and a plurality of nuts (not shown) are provided on the bolt, and the distance between the two clamping arms of the U-shaped bracket 100 is adjusted by adjusting the distance between the nuts, so as to adjust the distance between the clamping rods connected to the two clamping arms.
It will be understood by those skilled in the art that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (6)
1. The gas purifier airtightness detection device is characterized by comprising a U-shaped bracket, a first clamping rod, a second clamping rod and an inflation tube;
the first clamping rod and the second clamping rod are respectively arranged at two ends of the U-shaped bracket in a penetrating manner, and the first clamping rod and the second clamping rod are coaxial;
a hollow hole is formed in the axis of the first clamping rod, and the inflation tube is communicated with the hollow hole; the first clamping rod or the second clamping rod is in threaded connection with the U-shaped support.
2. The gas tightness detecting device of claim 1, wherein the first clamping rod comprises a first rod body, a first connecting nut and a first spring, and a first ring groove is formed on the peripheral side surface of the first clamping rod; the first connecting nut penetrates through the first rod body, a first threaded through hole is formed in the U-shaped support, and the first connecting nut is in threaded connection with the first threaded through hole; the first spring is arranged in the first ring groove, and one end of the first spring is connected with the first connecting nut in an abutting mode.
3. The gas tightness detecting device of claim 2, wherein the second clamping rod comprises a second rod body, a second connecting nut and a second spring, and a second ring groove is formed on the peripheral side surface of the second clamping rod; the second connecting nut penetrates through the second rod body, a second threaded through hole is formed in the U-shaped support, and the second connecting nut is in threaded connection with the second threaded through hole; the second spring is arranged in the second ring groove, and one end of the second spring is connected with the second connecting nut in an abutting mode.
4. The gas purifier tightness detecting device according to claim 1, wherein the top ends of the first clamping rod and the second clamping rod are both tapered tops.
5. The gas purifier tightness detecting device according to claim 1, wherein the U-shaped support is an elastic support with adjustable distance between two ends.
6. The gas tightness detecting device of claim 1, wherein the U-shaped bracket comprises a first clamping arm, a second clamping arm and a connector, the first clamping arm and the second clamping arm are connected by the connector, and a distance between the first clamping arm and the second clamping arm is adjustable along an axial direction of the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122373779.XU CN215677432U (en) | 2021-09-28 | 2021-09-28 | Gas purifier gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122373779.XU CN215677432U (en) | 2021-09-28 | 2021-09-28 | Gas purifier gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215677432U true CN215677432U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122373779.XU Active CN215677432U (en) | 2021-09-28 | 2021-09-28 | Gas purifier gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215677432U (en) |
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2021
- 2021-09-28 CN CN202122373779.XU patent/CN215677432U/en active Active
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