CN2884173Y - Vacuum sealing means - Google Patents
Vacuum sealing means Download PDFInfo
- Publication number
- CN2884173Y CN2884173Y CN 200620039457 CN200620039457U CN2884173Y CN 2884173 Y CN2884173 Y CN 2884173Y CN 200620039457 CN200620039457 CN 200620039457 CN 200620039457 U CN200620039457 U CN 200620039457U CN 2884173 Y CN2884173 Y CN 2884173Y
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- seal closure
- vacuum
- close property
- nozzle mechanism
- closure assembly
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Abstract
The utility model relates to a vacuum seal cover device for a sealing test, which comprises a seal cover, and a cover body that forms sealed space together with a plate under test and a joint, wherein, the periphery of the cover body is covered with sealing rubber; a seal cover case is provided with a vacuum gauge, a handle and a three-way nozzle mechanism, which has an intake channel, an exhaust channel and a suction channel; a suction channel of the nozzle mechanism is connected with the seal cover case. The utility model aims to make into different shapes to meet different test requirements various products according to the structural form of a chamber, part and different characteristics of weld position; when building sections on shipbuilding site, pre-sealing test can be conducted while making section (a bulkhead), low altitude operation does not need a scaffold, leak can be repaired while checked, and production work can be carried out in regular sequence; the operating tool for vacuum sealing inspection of the device is simple, saves manual man-hour and production cost.
Description
Technical field
The utility model relates to a kind of packoff, and particularly a kind of and tested part combines and constitutes the vacuum sealing device of enclosure space.
Background technology
In shipbuilding, the steel construction industry, when the soldered of cabin, structure of container has close property requirement, all need through airtight, watertight or oily close check, the not leakage property of weld seam between the check grillage.Close property check test should satisfy the pressure requirement of product regulation, must not produce residual defects to product structure in close property check test process.In shipbuilding industry, can only adopt the inspection of the close property of step-type parital vacuum for especially big cabin.
In the close property inspection of hull cabin weld seam, traditional method be with wash by water, pour water, detection methods such as kerosene and air pump, and the kerosene inspection has been deleted the kerosene method scope of examination in the hull construction standard because of being subjected to the long influence of structure, natural conditions and supervision time; And the watertight inspection of pouring water is long because of restriction and row's water injection time of the bearing load of building berth basal plane again, the former thereby less employing of water waste.Shipbuilding industry all adopts cabin pump gas airtight test at present, this method no doubt has its many advantages, but limitation is arranged also, it is cabin pump gas airtight test, before and after up and down the cabin must connect completely, particularly the integrality of oil cargo tank and structural general palpus a few days ago could be complete to ship launching.So influence the application of next procedure and the installation of launching ways.
The singularity restriction of structure, the test check of pump gas can not be carried out in big cabin, is 40 meters long as every liquid tank, 38 meters wide, 27 meters high big cabin, each about 950M in plane, cabin
2If pump gas air pressure is 0.2kg/cm
2, then each bulkhead will be subjected to 190 tons power, and this will make bulkhead grillage produce distortion.
In traditional airtight test of custom, require certain integrality, just can descend water after the building berth dock carry to finish, adopt the high-altitude leakage detection before the following water, mending-leakage at once, need to wait exit to the cabin after mending-leakage; But also to go up the pump leak detection, the required cycle is long; When looking into the cabin, stop flame cutting and set up framing scaffold and withdraw other work post such as erection welding, the time is long; Malleation 0.2bar, stress surface is big, and very big unsafe factor is arranged; Waste compressed-air power source; Influence the work of other work post during leak detection, prolonged manufacturing time, and leak detection face amplitude range face is big, omission easily; And close property quality inspection, reliability are lower slightly.
Shipbuilding facilities requires the shortening shipbuilding period to reduce shipbuilding cost raising self order and manufactures ability both at home and abroad at present.For this reason, shipbuilding circles cross-operation widespread usage, but the inspection of close property is the indispensable program of product quality, the inspection of shipowner and ship all requires the ship-related products weld seam is carried out the inspection of pre-close property for this reason.After the segmentation dress weldering completion, the weld seam in the grillage segmentation is carried out the inspection of pre-close property at flat state; After the complete cross section combination dress weldering completion, can carry out the inspection of pre-close property to the weld seam of cabin, outside plate at the level ground state; In the hull lift-launch process, arbitrarily pre-close property inspection is carried out to the big seam of segmentation in full position.And existing detection mode can't satisfy above product technology quality technological requirement.
Summary of the invention
The purpose of the close property of this novel practical closure assembly invention is to overcome above-mentioned shortcoming, provide a kind of energy the comprehensive packoff that carries out the vacuum leakproofness detection, this vacuum sealing device detects needs according to products made thereby and makes different shapes, and sealing that can random comprehensive butt welded seam detects under the different construction states of member.
The know-why of the close property of this novel practical closure assembly is:
According to Bernoulli's equation, utilize the threeway of T font to finish the work that seal cavity is vacuumized.Its principle of work is that the lower end of T font threeway air intake duct and seal closure are connected, left end injecting compressed air at T font threeway horizontal tube, in the pipeline of the horizontal tube of threeway, form the low-pressure area of high velocity air, like this because the air pressure in the seal cavity is higher than the air pressure at horizontal tube place, air outwards flows in the seal cavity, after regular hour, the air in the seal cavity is drawn out of.
The technical scheme of the close property of this novel practical closure assembly is:
A kind ofly be used for the vacuum sealing device that sealing detects, comprise: seal closure, constitute the cover body of seal cavity with tested drafting board seam, Zhoukou City of this cover body is coated with caulking gum; Be provided with the nozzle mechanism of vacuum meter, handle and threeway shape above the housing of seal closure, this nozzle mechanism has inlet channel, outlet passageway and air intake passage, and the air intake passage of described nozzle mechanism links to each other with the housing of seal closure.
Also accompany one deck seat board between Zhoukou City of described seal closure and the caulking gum.
Respectively there is at least one circle frame muscle in the inboard and the outside of seal closure Zhoukou City of described and seat board junction.
Madial wall at described seal closure also has a reinforcement at least.
Described nozzle mechanism is connected with seal closure by web member, or described nozzle mechanism directly is connected with seal closure.
Described vacuum meter is connected with seal closure by web member, or described vacuum meter directly is connected with seal closure.
In described web member, be provided with valve.
The technique effect of the close property of this novel practical closure assembly is:
The form of the close property of this novel practical closure assembly according to the different characteristics of version, position and the weld seam present position in cabin, is made different shapes and is applicable to the different different detection needs of various product; When building segmentation in the shipbuilding place, the limit is made segmentation (bulkhead) limit and is done the detection of pre-close property, and low blank operation need not framing scaffold, can limit leakage detection limit mending-leakage, carry out production operation without any confusion; Operation tool during the inspection of the close property of the vacuum of this device is simple, does not need other instrument, only needs close property cover body, wind belt, leak detection liquid, and a people can operate, and the cycle is short, has saved labor hour and production cost; During the operation of this device its time cycle that can carry out production operation long, the time range elasticity that production can be arranged is big; During this device operation, because the little unsafe factor that has reduced when operating of negative pressure of vacuum; The required little pressurized air of having saved of original pressure of this device operation is produced power source again; Do not influence the construction working of other work post during this device operation leak detection; Close property quality inspection reliability height.Adopt this close property vacuum (-tight) housing device, that I guess close property cabin is not complete can carry out close property vacuum detecting, so the work that is provided with for hull application and shipping launching device provides leading condition of cycle, and the harmony of scheduling of production is strengthened, and the science of management work obtains embodying.Negative pressure starts soon during this device operation, and is easy and simple to handle, and close property is caught leakage cycle weak point.Equally, install when not reaching cabin closure state or structural integrity state or bulkhead structure and can't bear the pressure intensity of airtight or watertight test when hull construction, detect vacuum pressure in the time of can only adopting the close property of this vacuum device to carry out close property operation and test and replace other forms of tightness test method.The close property of this vacuum (-tight) housing device carries out tightness test and can solve boats and ships or steel construction product and can concrete condition need carry out leading pre-close property and lag behind mending this product quality technology detection technique of close property in its each construction phase.
The close property of this novel practical closure assembly is simple to operate, and usable range is extensive.It is all applicable that close property is overhauled in the construction that the aspect is repaiied in leading close property of closing up for the pre-close property of the segmentation of boats and ships and steel construction and complete cross section and boats and ships dock chamber, depressed place; This device is practical, and low cost of manufacture has very big economic benefit and social benefit, has the function that other close property method can't be finished, and has reached the good social economic benefit.
Description of drawings
Fig. 1 is the perspective view of the rectangular housing of the close property of this novel practical closure assembly bottom side openings;
Fig. 2 is the vertical view of the close property of this novel practical closure assembly Fig. 1;
Fig. 3 is the A-A cut-open view of the close property of this novel practical closure assembly Fig. 2;
Fig. 4 is the web member in the close property of this novel practical closure assembly;
Fig. 5 is the web member that has valve in the close property of this novel practical closure assembly;
Fig. 6 is the nozzle mechanism in the close property of this novel practical closure assembly;
Fig. 7 is the perspective view of the rectangular housing of the close property of this novel practical closure assembly bottom side and front openings form;
Fig. 8 is the perspective view of semicircle vault housing at the bottom of the rectangle of the close property of this novel practical closure assembly bottom side openings;
Fig. 9 is the perspective view of the arc semicircle vault housing of the close property of this novel practical closure assembly bottom side openings;
Figure 10 is the perspective view of the circular base housing of the close property of this novel practical closure assembly bottom side openings;
Figure 11 is the perspective view of the square bottom shell body of the close property of this novel practical closure assembly bottom side openings;
Figure 12 is the perspective view of the housing of pentagon (wherein a jiao is 90 °) for the front side of the close property of this novel practical closure assembly two sides opening;
Figure 13 is the perspective view of the housing of antiparallelogram for the front side of the close property of this novel practical closure assembly front side and bottom side openings;
Figure 14 is the perspective view of the housing of pentagon (wherein a jiao is 135 °) for the front side of the close property of this novel practical closure assembly two sides opening;
Figure 15 is the perspective view of the housing of pentagon (wherein a jiao is 135 °) for the front side of the close property of this novel practical closure assembly two sides and front openings;
Figure 16 is the perspective view of fan-shaped (angle is 90 °) dome housing for the front side of the close property of this novel practical closure assembly two sides and rear openings;
Figure 17 is the perspective view of step-like housing for the front side of the close property of this novel practical closure assembly bottom side openings;
Figure 18 is trapezoidal perspective view for the front side of the close property of this novel practical closure assembly both-side opening;
Figure 19 is the perspective view of trapezoidal housing for the front side of the close property of this novel practical closure assembly bottom side openings;
Figure 20 is the use occasion synoptic diagram of the close property of this novel practical closure assembly;
Figure 21 is the user mode synoptic diagram of the close property of this novel practical closure assembly;
Embodiment
Be that example is described in detail the close property of this novel practical closure assembly below with the specific embodiment.
The perspective view of the rectangular housing of the utility model bottom side openings as shown in Figure 1, shown in Figure 2 is the vertical view of Fig. 1, shown in Figure 3 is the A-A cut-open view of Fig. 2, vacuum sealing device in the present embodiment comprises: seal closure 1, itself and tested drafting board seam and constitute the cover body of seal cavity, Zhoukou City of sealing cover body is coated with caulking gum 2, between the Zhoukou City of described seal closure 1 and caulking gum 2, accompany one deck seat board 16, to increase the contact area of seal closure 1 and caulking gum 2, increase leakproofness; On the housing of seal closure 1, be provided with vacuum meter 3, the nozzle mechanism 4 of handle 5 and threeway shape, be embedded with in advance in the junction of described seal closure 1 and described vacuum meter 3 and described nozzle mechanism 4 and have two logical 12 of the internal thread that agrees with described vacuum meter 3 and web member 6, the connecting link of described vacuum meter 3 directly screws in two on the seal closure 1 lead to by rubber washer 13, the air intake passage 43 of nozzle mechanism 4 has internal thread, be tightened on the end that two ends have externally threaded web member 6 by rubber washer 13, the other end of this web member 6 is by an end internal thread of rubber washer 13 or screw-in valve member 7, the other end internal thread of valve member 7 joins by have externally threaded web member 6 one ends by rubber washer 13 and another, web member 6 other ends screw in two on the seal closure 1 logical 12 by rubber washer 13 again, or directly screw in two on the seal closure 1 logical 12 by rubber washer 13; In the inboard and the outside one circle frame muscle 14 is arranged respectively with seal closure 1 Zhoukou City of described seat board 16 junctions; The effect of this frame muscle 14 is the contacts area that increase seal closure 1 and measured body, reduce the stress load value on this close its unit area of property device, same reason is born huge inside and outside differential pressure for this close property device after exhausting vacuum, at two reinforcements 15 of having fixed of the inboard right-angled intersection (point of crossing is at the upside of seal closure 1) of seal closure 1.As shown in Figure 6, described nozzle mechanism 4 has inlet channel 41, outlet passageway 42 and air intake passage 43, and the air intake passage 43 of described nozzle mechanism 4 links to each other with the housing of seal closure 1 by related device 6 or 7.Web member 6,7 as shown in Figure 4 and Figure 5, this web member inside can be (as the Fig. 4) that leads directly to; Also can be (as shown in Figure 5) that has valve 7, after the gas in the seal closure 1 was evacuated, valve-off 7 be then to being detected by the leakproofness of joint measurement.
Fig. 7 to Figure 19 is the close property of this a novel practical closure assembly according to the difform vacuum sealing device of the different mades that use product, position and occasion, shown in Fig. 7 to Figure 19 vacuum sealing device also comprise nozzle mechanism 4, frame muscle 14 and the reinforcement 15 of seal closure 1, caulking gum 2, seat board 16, vacuum meter 3, handle 5, threeway shape; The connecting link of described vacuum meter 3 directly screws in two on the seal closure 1 lead to by rubber washer 13, the air intake passage 43 of nozzle mechanism 4 has internal thread, be tightened on the end that two ends have externally threaded web member 6 by rubber washer 13, the other end of this web member 6 screws in two on the seal closure 1 logical 12 by rubber washer 13.The characteristics that they had are, owing to have the weld seam of various situations in the welding of steel construction, and, finish detection to various weld seams in order to satisfy and various weld seam interfaces, according to the residing position difference of weld seam, made the described seal closure 1 of distinct interface.Shown in the use occasion synoptic diagram of the close property of this novel practical of Figure 20 closure assembly, need the various direction solder joints in position of detection after the place hull welding that the close property of this novel practical closure assembly is detected, as seen different angles is arranged between the fishplate bar that is welded together, and have different different detection space.
Be the perspective view of the rectangular housing of bottom side and front openings among Fig. 7, Fig. 8 is the perspective view of semicircle vault housing at the bottom of the rectangle of bottom side openings; Fig. 9 is the perspective view of the arc semicircle vault housing of bottom side openings; Figure 10 is the perspective view of the circular base housing of bottom side openings; Figure 11 is the perspective view of the square bottom shell body of bottom side openings; Figure 12 is the perspective view of the housing of pentagon (wherein a jiao is 90 °) for the front side of two sides opening; Figure 13 is the perspective view of the housing of antiparallelogram for the front and back side of front side and bottom side openings; Figure 14 is the perspective view of the housing of pentagon (wherein a jiao is 135 °) for the front and back side of two sides opening; Figure 15 is the perspective view of the housing of pentagon (wherein a jiao is 135 °) for the front and back side of two sides and front openings; Figure 16 is the perspective view of fan-shaped (angle is 90 °) dome housing for the front and back side of two sides and rear openings; Figure 17 is the perspective view of step-like housing for the front side of bottom side openings; Figure 18 is trapezoidal perspective view for the front side of both-side opening; The front side of the close property of this novel practical of Figure 19 closure assembly bottom side openings is the perspective view of trapezoidal housing.The different form of the close property of this novel practical closure assembly is in actual use, the different version of developing according to the difference of product seam.
Shown in Figure 21 synoptic diagram is the close property of this novel practical closure assembly user mode of a kind of form (Figure 12 form) on product wherein, and what detect in Figure 21 is the vertical mutually corner connection seams that weld the angle that is produced of three blocks of sheet materials.
Claims (7)
1. one kind is used for the vacuum seal closure assembly that sealing detects, and it is characterized in that comprising:
Seal closure (1), with tested drafting board and seam thereof and constitute the cover body of seal cavity, Zhoukou City of this cover body is coated with caulking gum (2);
On the housing of seal closure (1), be provided with the nozzle mechanism (4) of vacuum meter (3), handle (5) and threeway shape, this nozzle mechanism (4) has inlet channel (41), outlet passageway (42) and air intake passage (43), and the air intake passage (43) of described nozzle mechanism (4) links to each other with the housing of seal closure (1).
2. vacuum seal closure assembly according to claim 1 is characterized in that also accompanying one deck seat board (16) between the Zhoukou City of described seal closure (1) and caulking gum (2).
3. vacuum seal closure assembly according to claim 2 is characterized in that and described seat board (16), and respectively there is at least one circle frame muscle (14) in the inboard and the outside of the seal closure of junction (1) Zhoukou City.
4. according to claim 1 or 2 or 3 described vacuum seal closure assemblies, it is characterized in that also having a reinforcement (15) at least at the madial wall of described seal closure (1).
5. vacuum seal closure assembly according to claim 1, it is characterized in that described nozzle mechanism (4) is connected with seal closure (1) by web member (6), or described nozzle mechanism (4) directly is connected with seal closure (1), is lined with rubber washer (13) during connection.
6. vacuum seal closure assembly according to claim 1 is characterized in that described vacuum meter (3) is connected with seal closure (1) by web member (6), or described vacuum meter (3) directly is connected with seal closure (1), is lined with rubber washer (13) during connection.
7. according to claim 5 or 6 described vacuum seal closure assemblies, it is characterized in that in described web member (6), being provided with valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620039457 CN2884173Y (en) | 2006-02-14 | 2006-02-14 | Vacuum sealing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620039457 CN2884173Y (en) | 2006-02-14 | 2006-02-14 | Vacuum sealing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2884173Y true CN2884173Y (en) | 2007-03-28 |
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ID=37957233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620039457 Expired - Lifetime CN2884173Y (en) | 2006-02-14 | 2006-02-14 | Vacuum sealing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2884173Y (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120483A (en) * | 2011-03-03 | 2011-07-13 | 沪东中华造船(集团)有限公司 | Penetration piece doubling plate pre-tightness manufacture and check method in ship section outfitting |
| CN102313627A (en) * | 2011-05-04 | 2012-01-11 | 友达光电股份有限公司 | Weld bead leakage detection cladding ring and system and method thereof |
| CN102384826A (en) * | 2011-08-18 | 2012-03-21 | 浙江省海洋开发研究院 | Weld joint tightness verifying device |
| CN102564703A (en) * | 2012-01-06 | 2012-07-11 | 重庆生竹科技发展有限公司 | Quality detection device for shipbuilding steel plate butt-jointed seams |
| CN103743531A (en) * | 2013-12-26 | 2014-04-23 | 沪东中华造船(集团)有限公司 | Airtightness tool for pipe system cabin penetrating member and method for mounting airtightness tool |
| CN103852223A (en) * | 2013-08-26 | 2014-06-11 | 洛阳瑞泽石化工程有限公司 | Circular vacuum box for tank bottom welding line leakage testing |
| CN104749043A (en) * | 2015-04-16 | 2015-07-01 | 中船黄埔文冲船舶有限公司 | Ship navigation equipment pressure testing device and method |
| CN104990674A (en) * | 2015-06-30 | 2015-10-21 | 沪东中华造船(集团)有限公司 | Leakproofness detection method for drain plug of ship bottom in ship construction |
| CN106052977A (en) * | 2016-08-02 | 2016-10-26 | 南京化工特种设备检验检测研究所 | Practical groove body detection device |
| CN108020380A (en) * | 2017-11-09 | 2018-05-11 | 上海江南长兴造船有限责任公司 | A kind of close property detection method of LNG ship cargo tank CM node regions |
| CN108871689A (en) * | 2018-07-06 | 2018-11-23 | 中广核检测技术有限公司 | A kind of high sensitivity vacuum leak detector |
| CN109238572A (en) * | 2018-11-12 | 2019-01-18 | 北京星航机电装备有限公司 | Coldplate weld joint air-tight detection device |
| CN110186624A (en) * | 2019-05-29 | 2019-08-30 | 浙江海洋大学 | A kind of Ship production multi-angle package seal checker |
| JP7509970B1 (en) | 2023-08-02 | 2024-07-02 | 川崎車両株式会社 | Airtightness Check Device |
-
2006
- 2006-02-14 CN CN 200620039457 patent/CN2884173Y/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120483A (en) * | 2011-03-03 | 2011-07-13 | 沪东中华造船(集团)有限公司 | Penetration piece doubling plate pre-tightness manufacture and check method in ship section outfitting |
| CN102313627A (en) * | 2011-05-04 | 2012-01-11 | 友达光电股份有限公司 | Weld bead leakage detection cladding ring and system and method thereof |
| CN102313627B (en) * | 2011-05-04 | 2013-11-06 | 友达光电股份有限公司 | Weld bead leakage detection cladding ring and system and method thereof |
| TWI458954B (en) * | 2011-05-04 | 2014-11-01 | Au Optronics Corp | Covering ring for conducting weld leak check and system and method using the same |
| CN102384826A (en) * | 2011-08-18 | 2012-03-21 | 浙江省海洋开发研究院 | Weld joint tightness verifying device |
| CN102384826B (en) * | 2011-08-18 | 2013-07-10 | 浙江省海洋开发研究院 | Weld joint tightness verifying device |
| CN102564703A (en) * | 2012-01-06 | 2012-07-11 | 重庆生竹科技发展有限公司 | Quality detection device for shipbuilding steel plate butt-jointed seams |
| CN102564703B (en) * | 2012-01-06 | 2014-06-11 | 重庆生竹科技发展有限公司 | Quality detection device for shipbuilding steel plate butt-jointed seams |
| CN103852223A (en) * | 2013-08-26 | 2014-06-11 | 洛阳瑞泽石化工程有限公司 | Circular vacuum box for tank bottom welding line leakage testing |
| CN103743531A (en) * | 2013-12-26 | 2014-04-23 | 沪东中华造船(集团)有限公司 | Airtightness tool for pipe system cabin penetrating member and method for mounting airtightness tool |
| CN104749043A (en) * | 2015-04-16 | 2015-07-01 | 中船黄埔文冲船舶有限公司 | Ship navigation equipment pressure testing device and method |
| CN104990674A (en) * | 2015-06-30 | 2015-10-21 | 沪东中华造船(集团)有限公司 | Leakproofness detection method for drain plug of ship bottom in ship construction |
| CN106052977A (en) * | 2016-08-02 | 2016-10-26 | 南京化工特种设备检验检测研究所 | Practical groove body detection device |
| CN106052977B (en) * | 2016-08-02 | 2019-03-01 | 南京化工特种设备检验检测研究所 | Practical groove body detection device |
| CN108020380A (en) * | 2017-11-09 | 2018-05-11 | 上海江南长兴造船有限责任公司 | A kind of close property detection method of LNG ship cargo tank CM node regions |
| CN108871689A (en) * | 2018-07-06 | 2018-11-23 | 中广核检测技术有限公司 | A kind of high sensitivity vacuum leak detector |
| CN109238572A (en) * | 2018-11-12 | 2019-01-18 | 北京星航机电装备有限公司 | Coldplate weld joint air-tight detection device |
| 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 |
| JP7509970B1 (en) | 2023-08-02 | 2024-07-02 | 川崎車両株式会社 | Airtightness Check Device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070328 |
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| EXPY | Termination of patent right or utility model |