CN218297518U - Welding quality 90-degree vacuum tightness detection cover - Google Patents
Welding quality 90-degree vacuum tightness detection cover Download PDFInfo
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- CN218297518U CN218297518U CN202222573531.2U CN202222573531U CN218297518U CN 218297518 U CN218297518 U CN 218297518U CN 202222573531 U CN202222573531 U CN 202222573531U CN 218297518 U CN218297518 U CN 218297518U
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Abstract
The utility model relates to a welding seam detects technical field, especially, relate to a welding quality 90 degrees vacuum tightness detect cover, including the vacuum hood, take out the pressure device, sealed the pad, the lamp area, lamp area fixing device, take out the pressure device and be used for extracting the interior air of vacuum hood, vacuum hood lower extreme intercommunication is sealed the pad, sealed the pad is the L type, sealed central fretwork, take out the pressure device and connect the vacuum hood, lamp area fixing device includes the base, the clamp, clamp quantity is no less than two, the clamp is used for hooping the lamp area, the clamp is connected with the base is detachable, the sealed pad of setting is the L type, can detect 90 degrees welding seams, the sealed pad of setting can improve the leakproofness of vacuum hood and welding seam department, reach better detection effect, lamp area and lamp area fixing device of setting, can form even light source, improve detection efficiency and rate of accuracy.
Description
Technical Field
The utility model relates to a welding seam detects technical field, especially relates to a welding quality 90 degrees vacuum tightness detects cover.
Background
Conventionally, when detecting the sealing performance of a weld joint, a vacuum cover is used for testing: spraying soapy water on the welding seam, covering the welding seam with a vacuum cover, extracting air from the vacuum cover, forming a negative pressure state in the detection box, and judging the sealing performance of the detection box according to whether bubbles appear at the welding seam. When the sealing performance of the welding line is not high, bubbles can be generated by soapy water coated on the welding line due to negative pressure in the vacuum cover.
The problems with such vacuum hoods are as follows: 1. most of the existing vacuum covers are used for detecting the sealing performance of a pipeline and cannot be used for detecting a 90-degree welding seam; 2. in the existing vacuum cover, in the detection of the sealing property of a welding seam, the problem of untight sealing fit often exists at the lap-joint intersection of the vacuum cover and the welding seam, and large external force needs to be added manually for a long time to match with the interior of a cover body to form a vacuum condition, so that the detection efficiency is low; 3. the light of the operation environment for implementing detection is often darker, inspection personnel detect the welding seam through handheld mobile light source at the present stage, the illumination is uneven, the leakage point is not easy to observe clearly, and therefore the inspection efficiency is low or even the inspection is missed.
SUMMERY OF THE UTILITY MODEL
In order to overcome exist not enough among the above-mentioned background art, the utility model aims to provide a welding quality 90 degrees vacuum tightness detects cover, the sealed pad that sets up is the L type, can detect 90 degrees welding seams, the sealed pad that sets up can improve the leakproofness of vacuum cover and welding seam department, reaches better detection effect, the lamp area and the lamp area fixing device of setting can form even light source, improve detection efficiency and rate of accuracy, the problem of proposing among the above-mentioned background art has effectively been solved.
In order to achieve the above object, the technical solution of the present invention is as follows:
the utility model provides a welding quality 90 degrees vacuum tightness detects cover, includes the vacuum hood, takes out the pressure device, take out the pressure device and be used for extracting the interior air of vacuum hood, its characterized in that: still including sealed pad, lamp area fixing device, the sealed pad of vacuum cover lower extreme intercommunication, sealed pad is the L type, sealed pad center fretwork, take out and press the device to connect the vacuum cover, lamp area fixing device includes base, clamp quantity is no less than two, the clamp is used for hooping the lamp area, the clamp is connected with the base is detachable.
Preferably, the clamp comprises an upper clamp body and a lower clamp body, the upper clamp body and the lower clamp body are in a combined surrounding shape and are sleeved on the lamp band, and the upper clamp body is connected with the lower clamp body through a bolt.
Preferably, the base is provided with a plurality of groups of first connecting holes along the length direction, the lower hoop body is provided with second connecting holes matched with the first connecting holes, and the lower hoop body is connected with the base.
Preferably, the pressure pumping device adopts a vacuum generator, the vacuum generator comprises an air inlet, an exhaust port and a vacuum port, the vacuum port is communicated with a vacuum cover, the air inlet is provided with an air inlet valve, and the vacuum port is provided with a vacuum valve.
Preferably, a vacuum gauge is arranged on the vacuum cover.
Preferably, the material of the sealing gasket is sponge rubber.
Preferably, the vacuum cover material is transparent plastic.
Preferably, the lower end of the vacuum cover is provided with a skirt attached to the sealing gasket.
Preferably, a handle is arranged on the vacuum cover.
The utility model discloses beneficial effect as follows:
1. the arranged sealing gasket is L-shaped, and can detect a welding seam of 90 degrees;
2. the arranged sealing gasket is made of sponge rubber, so that the sealing property between the vacuum cover and a welding seam is improved, and a better detection effect is achieved;
3. the arranged lamp strip is in a strip shape and is laid along the length direction of the vacuum cover to form a uniform light source, so that the detection efficiency and the accuracy are improved;
4. the lamp area fixing device who sets up passes through clamp and base, can install the lamp area is detachable at the vacuum hood, conveniently dismantles and installs.
The utility model is simple in operation, the function is practical, very is worth promoting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a lamp strip fixing device.
Fig. 3 is a schematic diagram of a vacuum generator.
Fig. 4 is a bottom schematic view of the present invention.
FIG. 5 is a schematic view of the skirt.
1. Vacuum cover, 2, vacuum generator, 201, air inlet, 202, air inlet valve, 203, air outlet, 204, vacuum port, 205, vacuum valve, 3, sealing gasket, 4, lamp strip, 5, lamp strip fixing device, 501, clamp, 5011, upper hoop body, 5012, lower hoop body, 5013, connecting hole two, 502, rubber strip, 503, base, 5031, connecting hole one, 6, vacuum gauge, 7, skirt, 8 and handle.
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.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as either a fixed connection or a detachable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides a welding quality 90 degrees vacuum tightness detects cover, includes vacuum cover 1, takes out and presses the device, it is used for extracting air in the vacuum cover 1 to take out to press the device, its characterized in that: still including sealed pad 3, lamp area 4, lamp area fixing device 5, the sealed pad 3 of 1 lower extreme intercommunication of vacuum cover, sealed pad 3 is the L type, sealed pad 3 center fretwork, take out and press the device to connect vacuum cover 1, lamp area fixing device 5 includes base 503, clamp 501 quantity is no less than two, clamp 501 is used for hooping lamp area 4, clamp 501 and base 503 detachable connection.
Because two faces where the 90-degree welding seam is located are L-shaped, the sealing gasket 3 is also arranged to be L-shaped, and the sealing gasket 3 can be well attached to the face where the welding seam is located.
In this embodiment, the clamp 501 includes an upper clamp 5011 and a lower clamp 5012, the upper clamp 5011 and the lower clamp 5012 are combined to surround and are sleeved on the light strip 4, and the upper clamp 5011 and the lower clamp 5012 are connected by a bolt. The inner walls of the upper band body 5011 and the lower band body 5012 are provided with the rubber strips 502, the rubber strips 502 increase the tightness of connection between the upper band body 5011, the lower band body 5012 and the lamp strip 4, and meanwhile, the rubber strips 502 are soft in texture, so that the lamp strip 4 can be protected, and the appearance of the lamp strip 4 can be prevented from being abraded.
In this embodiment, the base 503 is provided with a plurality of first connection holes 5031 along the length direction, the lower band 5012 is provided with second connection holes 5013 matching with the first connection holes 5031, and the lower band 5012 is connected with the base 503. And two sides of the lower hoop body 5012 are provided with connecting plates, and the second connecting hole 5013 is positioned on the connecting plates. The first connection hole 5031 and the second connection hole 5013 may be provided with screw holes, and the first connection hole 5031 and the connection hole may be screwed by bolts to connect the lower band 5012 and the base 503. Because the base 503 is provided with a plurality of groups of first connecting holes 5031 along the length direction, the lower hoop 5012 can be installed at different positions of the base 503, the light strip 4 has different lengths, and the lower hoop 5012 can be arranged at different positions according to the length of the light strip 4.
In this embodiment, the pressure pumping device adopts a vacuum generator 2, the vacuum generator 2 includes an air inlet 201, an air outlet 203 and a vacuum port 204, the vacuum port 204 is communicated with the vacuum hood 1, the air inlet 201 is provided with an air inlet valve 202, and the vacuum port 204 is provided with a vacuum valve 205. The vacuum generator 2 is an existing device, and the working principle of the vacuum generator 2 is that compressed air is sprayed at a high speed by using a spray pipe to form jet flow at an outlet to generate entrainment flow, so that air around the outlet is continuously pumped away under the entrainment effect, the pressure in an adsorption cavity is reduced to be below atmospheric pressure, and a certain vacuum degree is formed. In this embodiment, when the vacuum enclosure 1 is detected, the vacuum valve 205 and the air intake valve 202 are opened, high-speed compressed air is introduced from the air inlet 201 to generate entrainment flow, the air in the vacuum enclosure 1 is continuously sucked away, the air pressure in the vacuum enclosure 1 is reduced, and when the air in the vacuum enclosure 1 is reduced to a target value, the vacuum valve 205 and the air intake valve 202 are closed.
In this embodiment, a vacuum gauge 6 is provided on the vacuum housing 1. The vacuum gauge 6 is a conventional one, the vacuum gauge 6 is an instrument for measuring a vacuum degree or an air pressure, the vacuum gauge 6 detects a relative pressure with reference to an atmospheric pressure, and when the relative pressure increases, the value of the vacuum gauge 6 increases, and when the relative pressure decreases, the value of the vacuum gauge 6 decreases. In the present embodiment, the value of the vacuum gauge 6 is continuously increased when the air in the vacuum enclosure 1 is drawn. When the value of the vacuum gauge 6 reaches the target value, the evacuation is stopped. Vacuum valve 205 and intake valve 202 are closed at this time. If leakage exists at the welding seam, soap at the welding seam can be foamed, the air pressure in the vacuum cover 1 is gradually increased until the air pressure is equal to the atmospheric pressure, and the numerical value of the vacuum gauge 6 is continuously reduced until the numerical value is close to zero. If there is no leak at the weld, the vacuum gauge 6 remains stationary or does not drop significantly.
And the numerical value of the vacuum gauge 6 and the foaming condition of the soap water are observed, and the numerical value can be used for judging whether the welding seam is leaked.
In this embodiment, the material of the sealing gasket 3 is sponge rubber. The sponge rubber has the characteristics of small density, softness, light weight, excellent elasticity and flexibility, good heat insulation performance, oil resistance, aging resistance, chemical resistance and the like. The sealing gasket 3 can better fit the vacuum cover 1 and objects of a welding seam due to the flexibility of the sealing gasket, so that a better sealing effect is achieved.
In the embodiment, the vacuum cover 1 is made of transparent plastic. The plastic has light weight, can reduce the weight of the vacuum cover 1 and is convenient to use. The transparent material is mainly used for conveniently observing the foaming condition of the soapy water.
Referring to fig. 5, in fig. 5, the sealing gasket is removed, and in this embodiment, a skirt 7 attached to the sealing gasket 3 is disposed at the lower end of the vacuum housing 1. The skirt edge 7 is arranged around the lower end of the vacuum cover 1, the lower end of the skirt edge 7 is matched with the shape of the sealing gasket 3, the skirt edge 7 increases the contact surface of the vacuum cover 1 and the sealing gasket 3, a user can bond the vacuum cover 1 and the sealing gasket 3 together, and the stability after bonding is also enhanced.
In this embodiment, the vacuum housing 1 is provided with a handle 8. The handles 8 are arranged on two sides of the upper end of the vacuum cover 1, and the vacuum cover 1 is also made of transparent materials.
The 90-degree weld tightness detection process is as follows:
1. starting the vacuum generator 2, opening the vacuum valve 205 and the air inlet valve 202, introducing high-speed compressed air from the air inlet 201 to generate entrainment flow, continuously sucking the air in the vacuum cover 1, reducing the air pressure in the vacuum cover 1, and continuously raising the vacuum gauge 6 vertically;
2. when the value of the vacuum gauge 6 reaches the target value, the evacuation is stopped. At this time, vacuum valve 205 and intake valve 202 are closed.
3. And (4) opening the lamp strip 4, observing the soapy water at the welding seam, and if leakage exists at the welding seam, foaming the soapy water at the welding seam. Observing the vacuum gauge 6, if leakage exists at the welding seam, the numerical value of the vacuum gauge 6 is continuously reduced until the leakage is close to zero, and if no leakage point exists at the welding seam, the numerical value of the vacuum gauge 6 is kept static or is not obviously reduced.
To sum up, the utility model discloses anticipated effect has been reached.
Claims (9)
1. The utility model provides a welding quality 90 degrees vacuum tightness detects cover, includes the vacuum hood, takes out the pressure device, take out the pressure device and be used for extracting the interior air of vacuum hood, its characterized in that: still including sealed pad, lamp area fixing device, the sealed pad of vacuum cover lower extreme intercommunication, sealed pad is the L type, sealed pad center fretwork, take out and press the device to connect the vacuum cover, lamp area fixing device includes base, clamp quantity is no less than two, the clamp is used for hooping the lamp area, the clamp is connected with the base is detachable.
2. The welding quality 90 degree vacuum tightness detection hood according to claim 1, characterized in that: the clamp comprises an upper clamp body and a lower clamp body, wherein the upper clamp body and the lower clamp body surround the lamp band in a combined mode and are connected with the lamp band in a sleeved mode, and the upper clamp body is connected with the lower clamp body through bolts.
3. The welding quality 90 degree vacuum tightness detection hood according to claim 2, characterized in that: the base is provided with a plurality of groups of first connecting holes along the length direction, the lower hoop body is provided with a second connecting hole matched with the first connecting holes, and the lower hoop body is connected with the base.
4. The 90 degree vacuum tightness detection hood of welding quality as set forth in claim 1, wherein: the pressure pumping device adopts a vacuum generator, the vacuum generator comprises an air inlet, an exhaust port and a vacuum port, the vacuum port is communicated with a vacuum cover, the air inlet is provided with an air inlet valve, and the vacuum port is provided with a vacuum valve.
5. The welding quality 90 degree vacuum tightness detection hood according to claim 1, characterized in that: and a vacuum gauge is arranged on the vacuum cover.
6. The 90 degree vacuum tightness detection hood of welding quality as set forth in claim 1, wherein: the sealing gasket is made of sponge rubber.
7. The 90 degree vacuum tightness detection hood of welding quality as set forth in claim 1, wherein: the vacuum cover is made of transparent plastic.
8. The welding quality 90 degree vacuum tightness detection hood according to claim 1, characterized in that: the lower end of the vacuum cover is provided with a skirt edge attached to the sealing gasket.
9. The vacuum tightness detection cover for 90 degrees of welding quality according to claim 1, wherein a handle is arranged on said vacuum cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222573531.2U CN218297518U (en) | 2022-09-27 | 2022-09-27 | Welding quality 90-degree vacuum tightness detection cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222573531.2U CN218297518U (en) | 2022-09-27 | 2022-09-27 | Welding quality 90-degree vacuum tightness detection cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218297518U true CN218297518U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222573531.2U Active CN218297518U (en) | 2022-09-27 | 2022-09-27 | Welding quality 90-degree vacuum tightness detection cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218297518U (en) |
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- 2022-09-27 CN CN202222573531.2U patent/CN218297518U/en active Active
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