CN201688951U - Welding seam leakage detecting box - Google Patents
Welding seam leakage detecting box Download PDFInfo
- Publication number
- CN201688951U CN201688951U CN2009202067208U CN200920206720U CN201688951U CN 201688951 U CN201688951 U CN 201688951U CN 2009202067208 U CN2009202067208 U CN 2009202067208U CN 200920206720 U CN200920206720 U CN 200920206720U CN 201688951 U CN201688951 U CN 201688951U
- Authority
- CN
- China
- Prior art keywords
- sealing gasket
- elastic sealing
- uncovered
- detection casing
- welding seam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a welding seam leakage detecting box, which comprises an opened detecting box body. A pressure acquisition device, an exhaust opening and an air inlet are arranged on the opened detecting box body, the opened detecting box body is provided with a transparent window or is integrally transparent, an elastic sealing gasket is disposed at the edge of an opening of the opened detecting box body, the cross section of the elastic sealing gasket is an inwards concave groove-shaped structure, and a welding seam holding groove is arranged on the surface of the elastic sealing gasket which contacts with a to-be-detected welding seam. In the welding seam leakage detecting box, the elastic sealing gasket is pressed on a to-be-detected portion, the bottom of the elastic sealing gasket and the to-be-detected portion form a sealing cavity, after the opened detecting box body is pressed, the inside of the sealing cavity is in negative pressure, and the elastic sealing gasket is firmly adsorbed on the to-be-detected portion. As the welding seam holding groove is arranged on the surface of the elastic sealing gasket which contacts with the to-be-detected welding seam, when in detection for welding seams, the welding seam holding groove of the elastic sealing gasket is sealed with the welding seam, and the inside and the outside of the opened detecting box body have better air tightness so as to achieve success detection at one step.
Description
Technical field
The utility model relates to a kind of leakage testing apparatus, particularly a kind of weld leakage detection case.
Background technology
At present, most of hazardous chemical container weld seams or the inspection of watertightness cabin leaks are by container or watertightness cabin are carried out water-filling or inflation.Water detects, and mainly observes whether seepage of container face of weld, but has water intaking and drainage problem; Inflation detects, and needs at container face of weld brushing gas-development agent, and whether observation container face of weld exists foaming, and above-mentioned two kinds the detection method spended time is long, expense is high, and can only detect at the container of sealing.
Therefore, occurred the vacuum detecting method in the prior art,,, vacuumized in the uncovered detection casing, observed whether produce bubble, thereby determined whether leakage point with uncovered detection casing cover at the position brushing gas-development agent that container weld seam outer wall need detect.Existing weld leakage detection case, employing is provided with elastic sealing gasket at the uncovered edge of uncovered detection casing, be pressed in by elastic sealing gasket and make uncovered detection case inside and outside form hermetic seal on the position to be detected, but the resilient seal cushion block of this weld seam property revealed detection case is difficult to reach fully sealing, must be before vacuumizing by operating personnel with defeating, and can not loose one's grip, in case loose one's grip, when vacuumizing, the external gas of uncovered detection case is to internal leakage, cause detecting failure, must detect again.Special in the boss that detects as the weld seam, uncovered detection casing is difficult in the weld seam position and forms hermetic seal, often needs to detect several times, and detection is got up both time-consuming, require great effort again, and it is not high to be detected as power.
Therefore, need improve, make uncovered detection casing sealing effectiveness better existing weld leakage detection case, operate simpler, laborsaving, detect and to have higher success rate.
The utility model content
In view of this, the utility model provides a kind of weld leakage detection case, improves by the structure of butt welded seam leaks detection case, makes uncovered detection casing sealing effectiveness better, operate simpler, laborsaving, detect and to have higher success rate.
A kind of weld leakage detection case that the utility model provides, comprise uncovered detection casing, on the described uncovered detection casing pressure acquisition device, bleeding point and air intake opening are set, described uncovered detection casing is provided with well-illuminated window or whole clearing, the uncovered edge of described uncovered detection casing is provided with elastic sealing gasket, the xsect of elastic sealing gasket is the bathtub construction that concaves, and the surface that elastic sealing gasket contacts with weld seam to be detected is provided with weld seam and contains groove.
Further, be provided with on the described uncovered detection casing with weld seam and contain the corresponding hold down gag of groove, hold down gag comprises two swivel arms and is arranged on two back-moving springs between the swivel arm, described swivel arm one end is hinged on the uncovered detection casing, and the other end is the end that compresses that is pressed on the elastic sealing gasket;
Further, hold down gag also comprises two contact rollers, and the end bending formation that compresses of described swivel arm is contained the bending part that groove parallels with weld seam, and described contact roller is enclosed within on the bending part of swivel arm in rotating mode;
Further, on the described uncovered detection casing handle is set, handle for uncovered detection casing in the tubular structure that is communicated with, the air intake opening of uncovered detection casing is arranged on the handle;
Further, also comprise the vacuum-pump power supply switch, described vacuum-pump power supply switch is arranged on the uncovered detection casing by handle side;
The beneficial effects of the utility model are: weld leakage detection case of the present utility model, the uncovered edge of uncovered detection casing is provided with elastic sealing gasket, the elastic sealing gasket xsect is the bathtub construction that concaves, elastic sealing gasket is pressed in formation seal chamber in elastic sealing gasket bottom on the position to be detected, behind the uncovered detection casing pressurized, form negative pressure in the annular seal space, elastic sealing gasket is by firm being adsorbed on the position to be detected, before vacuumizing, only need operating personnel to press a lower open mouth detection case body just can loose one's grip, need not always according to, operate simpler, laborsaving; Simultaneously the surface that contact with weld seam to be detected of elastic sealing gasket is provided with weld seam and contains groove, and the weld seam containing groove by elastic sealing gasket during the detection weld seam seals mutually with weld seam and can make uncovered detection case inside and outside form better impermeability, reaches once and surveys successfully.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the topology view of elastic sealing gasket;
Fig. 3 is the cross section view of Fig. 2 along the A-A direction.
Embodiment
Fig. 1 is a structural representation of the present utility model, Fig. 2 is the topology view of elastic sealing gasket, Fig. 3 is the cross section view of Fig. 2 along the A-A direction, as shown in the figure: the weld leakage detection case comprises uncovered detection casing 1, on the uncovered detection casing 1 pressure acquisition device 2 is set, bleeding point 3 and air intake opening 4, uncovered detection casing 1 is provided with well-illuminated window or whole clearing, the uncovered edge of uncovered detection casing is provided with elastic sealing gasket 5, the xsect of elastic sealing gasket 5 is the bathtub construction 6 that concaves, the surface that elastic sealing gasket 5 contacts with weld seam to be detected is provided with weld seam and contains groove 7, adopting pressure acquisition device 2 in the present embodiment is vacuum meter, vacuum meter uses general, low price obtains easily, also can adopt vacuum pressure sensor certainly; Uncovered detection casing 1 is a whole clearing, is convenient to observe from all directions; Xsect is that the notch of the bathtub construction elastic sealing gasket 5 of indent contacts with position to be detected.During use, seal chamber is formed on the bottom that elastic sealing gasket 5 is pressed in elastic sealing gasket 5 on the position to be detected, in case uncovered detection casing 1 pressurized forms negative pressure in the annular seal space, elastic sealing gasket is by firm being adsorbed on the position to be detected; Simultaneously the surface that contact with weld seam to be detected of elastic sealing gasket is provided with weld seam and contains groove, and the weld seam containing groove by elastic sealing gasket during the detection weld seam seals mutually with weld seam and can make uncovered detection case inside and outside form better impermeability.
Present embodiment is detecting setting and weld seam containing groove 7 corresponding hold down gags on the casing 1, hold down gag comprises two swivel arms 8, two contact rollers 9 and be arranged on two back-moving springs 10 between the swivel arm 8, swivel arm 8 one ends are hinged on and detect on the casing 1, other end bending formation is contained the bending part that groove 7 parallels with weld seam, contact roller 9 is enclosed within on the bending part of swivel arm 8 in rotating mode, the contact roller 9 of present embodiment is enclosed within on the bending part of swivel arm 8 in the mode of clearance fit, during use, contact roller 9 rotate can extenuate and elastic sealing gasket between friction.During boss detecting as welding, under the effect of back-moving spring 10 tightening forces, two squeegee rollers 9 are pressed on the elastic sealing gasket of the both sides of boss respectively, make boss uncovered detection casing 1 inside and outside reach better sealing effectiveness.
Present embodiment adopts and in uncovered detection casing both sides handle 11 to be set, and installs or to mention the uncovered measuring tank body of inspection very convenient by handle 11; The handle 11 of present embodiment is a tubular structure, and two mouths of pipe of tubular structure are communicated with uncovered detection casing is interior, and the air intake opening 4 of uncovered detection casing is arranged on the handle 11 of tubular structure, and vacuum-pump power supply switch 12 is arranged on armrest handle 11 sides on the uncovered detection casing 1.During use, when uncovered detection casing being installed, can press vacuum-pump power supply switch 12 and start vacuum pumps by handle 11, vacuumize detection after, hold handle 11 and open the valve that is arranged on the air intake opening 4, air inlet in uncovered detection casing makes elastic sealing gasket break away from position to be detected.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. weld leakage detection case, comprise uncovered detection casing (1), pressure acquisition device (2), bleeding point (3) and air intake opening (4) are set on the described uncovered detection casing (1), described uncovered detection casing (1) is provided with well-illuminated window or whole clearing, the uncovered edge of described uncovered detection casing is provided with elastic sealing gasket (5), it is characterized in that: the xsect of elastic sealing gasket (5) is the bathtub construction (6) that concaves, and the surface that elastic sealing gasket (5) contacts with weld seam to be detected is provided with weld seam and contains groove (7).
2. weld leakage detection case according to claim 1, it is characterized in that: described uncovered detection casing (1) is gone up to be provided with weld seam and is contained the corresponding hold down gag of groove (7), hold down gag comprises two swivel arms (8) and is arranged on back-moving spring (10) between two swivel arms (8), described swivel arm (8) one ends are hinged on the uncovered detection casing (1), and the other end is the end that compresses that is pressed on the elastic sealing gasket.
3. weld leakage detection case according to claim 2, it is characterized in that: hold down gag also comprises two contact rollers (9), the end bending formation that compresses of described swivel arm (8) is contained the bending part that groove (7) parallels with weld seam, and described contact roller (9) is enclosed within on the bending part of swivel arm (8) in rotating mode.
4. weld leakage detection case according to claim 3, it is characterized in that: on the described uncovered detection casing handle (11) is set, handle (11) for uncovered detection casing in the tubular structure that is communicated with, the air intake opening of uncovered detection casing (4) is arranged on the handle (11).
5. weld leakage detection case according to claim 4 is characterized in that: also comprise vacuum-pump power supply switch (12), described vacuum-pump power supply switch is arranged on uncovered detection casing (1) and goes up armrest handle (11) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202067208U CN201688951U (en) | 2009-10-20 | 2009-10-20 | Welding seam leakage detecting box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202067208U CN201688951U (en) | 2009-10-20 | 2009-10-20 | Welding seam leakage detecting box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201688951U true CN201688951U (en) | 2010-12-29 |
Family
ID=43377231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202067208U Expired - Fee Related CN201688951U (en) | 2009-10-20 | 2009-10-20 | Welding seam leakage detecting box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201688951U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910777A (en) * | 2016-06-30 | 2016-08-31 | 河北工业大学 | Detecting system for sealing property of aluminum foil blister package |
| CN107941438A (en) * | 2017-12-22 | 2018-04-20 | 南京新核复合材料有限公司 | A kind of device and detection method for detecting sealing leakage in GRP pipe hand paste |
| CN110186624A (en) * | 2019-05-29 | 2019-08-30 | 浙江海洋大学 | A kind of Ship production multi-angle package seal checker |
-
2009
- 2009-10-20 CN CN2009202067208U patent/CN201688951U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910777A (en) * | 2016-06-30 | 2016-08-31 | 河北工业大学 | Detecting system for sealing property of aluminum foil blister package |
| CN105910777B (en) * | 2016-06-30 | 2019-03-12 | 河北工业大学 | A kind of sealing propertytest system of aluminium foil blister packaging |
| CN107941438A (en) * | 2017-12-22 | 2018-04-20 | 南京新核复合材料有限公司 | A kind of device and detection method for detecting sealing leakage in GRP pipe hand paste |
| CN110186624A (en) * | 2019-05-29 | 2019-08-30 | 浙江海洋大学 | A kind of Ship production multi-angle package seal checker |
| CN110186624B (en) * | 2019-05-29 | 2021-03-23 | 浙江海洋大学 | Multi-angle sealing detection device for ship production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201569547U (en) | Vacuum adsorption leak detecting device | |
| CN203595589U (en) | Air leakage detector of vacuum bag | |
| CN102109403A (en) | Leakage detector of welding seam of container | |
| CN201688951U (en) | Welding seam leakage detecting box | |
| CN105730885A (en) | Vacuum sealing tank | |
| CN201285338Y (en) | Vacuum leakage test box for welding line | |
| CN111829735A (en) | Device and method for detecting air tightness of pipeline | |
| CN203116922U (en) | Tightness detection pumping device for tank body | |
| CN204008046U (en) | Lithium battery fluid injection air-tightness detection device | |
| CN204831860U (en) | Associated gas hydrogen sulfide sampling device | |
| CN106092470A (en) | Pressure reaction still leak detector | |
| CN201285339Y (en) | Vacuum leakage detector for tank bottom | |
| CN202938970U (en) | Device for detecting helium leakage of seal welding of pipes and pipe sheets of framework open type heat exchanger | |
| CN217331530U (en) | Mechanical seal pressurized-water testing device | |
| CN214200510U (en) | Liquefied gas bottle leakproofness detection device | |
| CN212458816U (en) | Sample clamping device and package integrity detection system | |
| CN206804238U (en) | A kind of stainless steel water pump case sealing detection equipment | |
| CN205538118U (en) | Ship sewage well air -tight test frock | |
| CN216050524U (en) | Pipeline leakproofness detection device for methyl alcohol hydrogen manufacturing convenient to remove | |
| CN214583882U (en) | Valve gas tightness leakage detection device | |
| CN215215746U (en) | Waste gas detection is with having gaseous storage device of leak protection structure | |
| CN215004556U (en) | Unpowered instantaneous sampler | |
| CN205940886U (en) | Valve leakage intellectual detection system structure | |
| CN221123710U (en) | Tightness testing device | |
| CN213180933U (en) | Gas closed sampler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20131020 |