CN214583901U - Novel airtightness detection device - Google Patents
Novel airtightness detection device Download PDFInfo
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- CN214583901U CN214583901U CN202121011065.8U CN202121011065U CN214583901U CN 214583901 U CN214583901 U CN 214583901U CN 202121011065 U CN202121011065 U CN 202121011065U CN 214583901 U CN214583901 U CN 214583901U
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- Prior art keywords
- air inlet
- air
- airtight
- workpiece
- valve
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 210000003813 thumb Anatomy 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a novel air tightness detection device, which belongs to the field of part air tightness detection, and comprises a valve frame, a hose, an air tightness base and an air tightness cover, wherein the valve frame is wrapped by a shell, and a pressure gauge, a main valve, a branch valve, an air inlet main pipe and an air inlet branch pipe are arranged inside the shell; the air inlet of the airtight base is connected with the air inlet branch pipe through a hose, the airtight gland is installed on the upper side of the air inlet cavity through a butterfly screw and used for fixing the workpiece on the air inlet cavity in a sealing mode, the air can be ventilated into the workpiece through the control valve, and the air tightness of the workpiece can be directly judged through reading of the pressure gauge. The utility model discloses an aspect can be fast, reliably fixed work piece, promotes detection efficiency, and on the other hand can realize the pressure detection of different degrees through adjusting valve's aperture, satisfies the detection requirement of multiple work piece, and the device simple structure, easy dismounting can wide application in part gas tightness detection area.
Description
Technical Field
The utility model belongs to part gas tightness detection area especially relates to a novel airtight detection device.
Background
The air tightness test is mainly used for checking whether leakage occurs at each connecting part of the container, and particularly, the air tightness test is required to be carried out on a pressure container which is not allowed to have micro leakage in design. The air-tight test is different from the air pressure test in that the air-tight test is for checking the tightness of a pressure vessel, and the air pressure test is for checking the compressive strength of the pressure vessel. And secondly, the test pressure is different, the air tightness test pressure is the design pressure of the container, and the air pressure test pressure is 1.15 times of the design pressure.
In the prior art, technicians place ultrasonic transmitters inside the vessel, which due to the nature of the ultrasonic waves can penetrate small holes, and outside the vessel, using ultrasonic detection systems to detect, inspectors can quickly locate sources of defects, which can become potential water or wind noise. However, the ultrasonic transmitter is high in cost and limited in shape, and a brand new detection device needs to be designed for rapid, low-cost and reliable detection aiming at the design of a small cavity or a pipe body so as to meet the design requirements of products.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a novel airtight detection device, the device can be quick on the one hand, reliably fix the work piece, promote detection efficiency, and on the other hand can realize the pressure detection of different degrees through adjusting valve's aperture, satisfies the detection requirement of multiple work piece, and the device simple structure, easy dismounting can wide application in part gas tightness detection area.
The utility model discloses an above-mentioned problem is solved to following technical means:
the utility model provides a novel airtight detection device, includes valve door frame, hose, airtight base and airtight lid, wherein: the valve door frame is wrapped by a shell, a pressure gauge, a main valve, branch valves, an air inlet main pipe and air inlet branch pipes are arranged in the shell, the air inlet main pipe is connected with a high-pressure air circuit through the main valve, the air inlet main pipe is connected with the air inlet branch pipes through the branch valves, and the pressure gauge is arranged on the air inlet branch pipes; the side wall of the airtight base is provided with an air inlet, the top of the airtight base is provided with an air inlet cavity, one end of the air inlet is connected with an air inlet branch pipe through a hose, and the other end of the air inlet is communicated with the air inlet cavity; the airtight gland is installed on the upper side of the air inlet cavity through the butterfly screws and used for sealing and fixing the workpiece on the air inlet cavity, and a plurality of connecting holes used for installing the butterfly screws are symmetrically formed in the periphery of the air inlet cavity.
Preferably, a stepped hole is formed in the top of the air inlet cavity, a bottom sealing ring and a top sealing ring are arranged in the stepped hole, and the bottom sealing ring and the top sealing ring are respectively arranged on the upper side and the lower side of the workpiece base and are respectively used for sealing the upper contact surface and the lower contact surface of the workpiece base.
Preferably, the middle part of the airtight gland is provided with a central through hole for mounting a workpiece, and the periphery of the airtight gland is symmetrically provided with connecting grooves for mounting butterfly screws.
Preferably, two air inlet main pipes are arranged in the valve door frame, and four air inlet branch pipes are arranged on each air inlet main pipe.
Preferably, five air inlet cavities are symmetrically arranged on the airtight base.
The utility model discloses a novel airtight detection device has following beneficial effect:
the device comprises a valve frame, a hose, an airtight base and an airtight cover, wherein the valve frame is wrapped by a shell, and a pressure gauge, a main valve, a branch valve, an air inlet main pipe and an air inlet branch pipe are arranged in the shell; the air inlet of airtight base passes through hose connection air inlet branch pipe, airtight gland passes through the thumb screw and installs the upside in the chamber of admitting air, and be used for fixing the work piece seal on the chamber of admitting air, can ventilate to work piece inside through control flap, and can directly judge the gas tightness of work piece through the manometer reading, the device can be quick on the one hand, reliably fix the work piece, promote detection efficiency, on the other hand can realize the pressure detection of different degrees through the aperture of adjusting valve, satisfy the detection requirement of multiple work piece, the device simple structure, easy dismounting, can wide application in part gas tightness detection area.
Drawings
The invention is further described with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the external structure of the valve frame of the present invention;
fig. 3 is a schematic view of the internal structure of the valve frame of the present invention;
fig. 4 is a schematic view of the structure of the intake pipe of the present invention;
FIG. 5 is a schematic view of the airtight base structure of the present invention;
fig. 6 is a schematic structural view of the air intake chamber of the present invention;
fig. 7 is a schematic layout view of the sealing ring of the present invention;
fig. 8 is a schematic view of the structure of the airtight gland of the present invention.
In the figure, 1-valve portal, 101-shell, 102-pressure gauge, 103-total valve, 104-branch valve, 105-air inlet main pipe, 106-air inlet branch pipe, 2-hose, 3-airtight base, 301-air inlet, 302-air inlet cavity, 303-connecting hole, 304-bottom sealing ring, 305-top sealing ring, 4-airtight gland, 401-central through hole, 402-connecting groove, 5-butterfly screw and 6-workpiece.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those 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 referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. 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 implicitly indicating the 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 invention, "a plurality" means two or more unless otherwise specified.
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the air tightness detecting device can detect the air tightness of a cavity or a pipeline, and specifically includes a valve frame 1, a hose 2, an air tightness base 3 and an air tightness cover 4, wherein the valve frame 1 is a gas control device and can realize air intake and air cutoff, and can also read the current air pressure condition of the pipeline through a pressure gauge 102, the hose 2 is used for introducing high-pressure gas into the air tightness base 3, and the air tightness cover 4 and the air tightness base are mutually matched for sealing connection to hermetically fix a workpiece 6.
In fig. 2 and 3 and fig. 4, the valve frame 1 is wrapped by a casing 101, a pressure gauge 102, a main valve 103, branch valves 104, an air inlet main pipe 105 and an air inlet branch pipe 106 are arranged inside the casing 101, the air inlet main pipe 105 is connected with a high-pressure air path through the main valve 103, the air inlet main pipe 105 is connected with the air inlet branch pipe 106 through the branch valve 104, and the pressure gauge 102 is arranged on the air inlet branch pipe 106; specifically, two air inlet manifolds 105 are arranged inside the valve frame 1, four air inlet branch pipes 106 are arranged on each air inlet manifold 105, each air inlet branch pipe 106 is independently provided with a pressure gauge 102, and the specific number can be flexibly adjusted.
In fig. 5 to 7, the number of the airtight bases may be one or more, the side wall of the airtight base 3 is provided with an air inlet 301, the top of the airtight base 3 is provided with a plurality of air inlet cavities 302, one end of the air inlet 301 is connected with the air inlet branch pipe 106 through the hose 2, the other end of the air inlet 301 is communicated with the air inlet cavities 302, the periphery of the air inlet cavities 302 is symmetrically provided with a plurality of connecting holes 303, in this embodiment, five air inlet cavities 302 are symmetrically arranged on the airtight base 3, and in the drawings, the airtight gland 4 is installed on the upper side of the air inlet cavities 302 through the butterfly screw 5 and is used for sealing and fixing the workpiece 6 on the air inlet cavities 302.
It should be noted that a stepped hole is formed at the top of the gas inlet cavity 302, a bottom sealing ring 304 and a top sealing ring 305 are arranged inside the stepped hole, the bottom sealing ring 304 and the top sealing ring 305 are respectively arranged at the upper side and the lower side of the base of the workpiece 6 and are respectively used for sealing the upper contact surface and the lower contact surface of the base of the workpiece 6, the bottom sealing ring 304 is arranged at the bottom of the stepped hole, the circular base of the workpiece 6 is arranged above the bottom sealing ring 304, the top sealing ring 305 is arranged on the circular base of the workpiece 6, then, the airtight gland 4 is pressed on, the airtight gland 4 is pressed by the butterfly screw 5 to realize the contact surface sealing, at this time, the high-pressure gas from the hose 2 directly enters the interior of the workpiece 6 through the gas inlet 301 and the gas inlet cavity 302, the sealing condition can be judged through the reading of the pressure gauge 102, and if the air leakage condition exists, the sealing performance of the workpiece 6 is not up to the standard. It should be noted that the workpiece 6 is an aerospace nozzle, the sealing performance of which is crucial, and during actual detection, one side of the nozzle is sealed by using a threaded cover.
In fig. 8, a central through hole 401 for mounting the workpiece 6 is formed in the middle of the airtight gland 4, and connecting grooves 402 for mounting the thumb screws 5 are symmetrically formed around the airtight gland 4.
It further explains that the device can fix the workpiece fast and reliably and improve the detection efficiency on the one hand, and on the other hand can realize the pressure detection of different degrees through the aperture of the adjusting valve, thus meeting the detection requirements of various workpieces.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a novel airtight detection device which characterized in that, includes valve door frame (1), hose (2), airtight base (3) and airtight lid (4), wherein:
the valve door frame (1) is wrapped by a shell (101), a pressure gauge (102), a main valve (103), branch pipe valves (104), an air inlet main pipe (105) and air inlet branch pipes (106) are arranged in the shell (101), the air inlet main pipe (105) is connected with a high-pressure air path through the main valve (103), the air inlet main pipe (105) is connected with the air inlet branch pipes (106) through the branch pipe valves (104), and the pressure gauge (102) is arranged on the air inlet branch pipes (106);
the side wall of the airtight base (3) is provided with an air inlet (301), the top of the airtight base (3) is provided with an air inlet cavity (302), one end of the air inlet (301) is connected with an air inlet branch pipe (106) through a hose (2), and the other end of the air inlet (301) is communicated with the air inlet cavity (302);
the air-tight gland (4) is arranged on the upper side of the air inlet cavity (302) through the butterfly screws (5) and used for sealing and fixing the workpiece (6) on the air inlet cavity (302), and a plurality of connecting holes (303) used for installing the butterfly screws (5) are symmetrically formed in the periphery of the air inlet cavity (302).
2. The novel airtightness detection apparatus according to claim 1, wherein a stepped hole is formed in the top of the air inlet chamber (302), a bottom sealing ring (304) and a top sealing ring (305) are arranged inside the stepped hole, and the bottom sealing ring (304) and the top sealing ring (305) are respectively arranged on the upper side and the lower side of the base of the workpiece (6) and are respectively used for sealing the upper contact surface and the lower contact surface of the base of the workpiece (6).
3. The novel airtightness detection device according to claim 1, wherein a central through hole (401) for mounting the workpiece (6) is formed in the middle of the airtight cover (4), and connecting grooves (402) for mounting the thumb screws (5) are symmetrically formed around the airtight cover (4).
4. A new airtightness detection apparatus according to claim 1, wherein two intake manifolds (105) are arranged inside the valve frame (1), and four intake branch pipes (106) are arranged on each intake manifold (105).
5. A novel tightness detection device according to claim 1, characterized in that said airtight base (3) has five air intake chambers (302) symmetrically arranged thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121011065.8U CN214583901U (en) | 2021-05-12 | 2021-05-12 | Novel airtightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121011065.8U CN214583901U (en) | 2021-05-12 | 2021-05-12 | Novel airtightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214583901U true CN214583901U (en) | 2021-11-02 |
Family
ID=78329411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121011065.8U Expired - Fee Related CN214583901U (en) | 2021-05-12 | 2021-05-12 | Novel airtightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214583901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117310401A (en) * | 2023-09-08 | 2023-12-29 | 钧罡(宁波)金属精密部件有限公司 | Electrical component detection device and method |
-
2021
- 2021-05-12 CN CN202121011065.8U patent/CN214583901U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117310401A (en) * | 2023-09-08 | 2023-12-29 | 钧罡(宁波)金属精密部件有限公司 | Electrical component detection device and method |
| CN117310401B (en) * | 2023-09-08 | 2024-05-03 | 钧罡(宁波)金属精密部件有限公司 | Electrical component detection device and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |