CN104596793A - Fixed-point switching sealing plug - Google Patents
Fixed-point switching sealing plug Download PDFInfo
- Publication number
- CN104596793A CN104596793A CN201310524802.8A CN201310524802A CN104596793A CN 104596793 A CN104596793 A CN 104596793A CN 201310524802 A CN201310524802 A CN 201310524802A CN 104596793 A CN104596793 A CN 104596793A
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- China
- Prior art keywords
- cock body
- plug
- sampling thief
- obturating plug
- bottle
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Abstract
The invention discloses a fixed-point switching sealing plug. The fixed-point switching sealing plug is arranged at a bottle opening of a sampler bottle and comprises a plug body and a hollow plug seat which is detachably connected with the sampler bottle; the plug body comprises a plug body upper part and a plug body lower part which are formed integrally; a handle device is arranged at the upper end of the plug body upper part; an accommodating cavity is formed in the lower end surface of the plug body lower part; a spring piece is arranged in the accommodating cavity; the two ends of the spring piece extend out from the side surface of the plug body lower part; a boss of which the cross section is a right-angled trapezoid is arranged on the inner wall of the plug seat; the lower end of the plug seat is detachably connected with a circular tube of which one side surface is open; a floating ball is arranged in the circular tube; and a fastening piece is arranged at the lower end of the circular tube. The fixed-point switching sealing plug has the beneficial effects of being high in reliability and being applied to various liquid petroleum product samplers; moreover, samples at other depths cannot be mixed in a sampling process of a sampler; the sealing performance is high; and the accuracy of sample analysis result is improved.
Description
Technical field
The present invention relates to a kind of sealing-plug, particularly relate to a kind of timing switch sealing-plug on liquid petroleum product sampling thief bottle.
Background technology
Petrochemical complex collection fixed point sample in, usually need sampling thief is airtight after drop in petroleum products, until its arrive required by the degree of depth after, stopper is opened by suitable method, start sampling, be full of rear proposition sampling thief, extract oil point sample with this and analyze.Traditional stopper is the cork of band metal gasket mostly, and this stopper is not suitable for volatile liquid, because its steam can infiltrate cork, causes sample contamination.In addition, its less reliable some, being sometimes less than sampling spot will oneself open, and has sometimes arrived sampling spot and has also been not easy to open, will cause the consequences such as sample analysis result is inaccurate like this.In addition, after sampling thief is full of sample, stopper can not be closed again, when upwards proposing sampling thief, is also easily mixed into the sample of other degree of depth, impact analysis result.
Summary of the invention
The object of the invention is to the deficiency effectively overcoming above-mentioned technology, a kind of timing switch sealing-plug is provided, good reliability, be applicable on the sampling thief of various liquid petroleum product, and sampling thief can be made in sampling process can not to be mixed into the sample of other degree of depth, sealing property is strong, improves the degree of accuracy of sample analysis result.
Technical scheme of the present invention is achieved in that the present invention adopts a kind of timing switch sealing-plug, be arranged on the bottle mouth position of sampling thief bottle, the obturating plug of hollow that it comprises cock body and removably connects with sampling thief bottle, its improvements are: described cock body comprises integrated cock body top and cock body bottom, upper end, described cock body top is provided with handle device, lower surface has a container cavity in described cock body bottom, be provided with spring part in described container cavity, described spring part two ends are stretched out from cock body lower side, described obturating plug inwall has the boss that a cross section is right-angled trapezium, described obturating plug lower end removably connects the pipe of a lateral opening, a ball float is provided with in described pipe, described pipe lower end is provided with connecting plate, when sampling thief is not sampled, described cock body bottom is placed in obturating plug, fit in described lower surface, cock body top and described obturating plug upper surface, described cock body lower side and described boss side surfaces are fitted, described spring part two ends are pressed on described boss inclined-plane, handle device is mentioned when sampler samples, described cock body moves up, described spring part two ends move up along boss inclined-plane, spring part shrinks, described cock body continues to move up until be separated completely with described obturating plug.
In said structure, described spring part comprises swollen pearl and spring, described swollen pearl is arranged on the two ends of spring, swollen pearl head stretches out from cock body lower side, when sampling thief is not sampled, described swollen pearl head is pressed on described boss inclined-plane, when sampler samples mentions handle device, described swollen pearl head moves up along boss inclined-plane, described spring contraction.
In said structure, described cock body top upper center has a projection, and described handle device comprises the draw ring and pull bar that are fixedly connected with, and described draw ring is fixedly connected with described projection.
In said structure, lower surface offers annular groove on described cock body top, is provided with O-ring seal in described annular groove.
In said structure, described obturating plug side has a flange, and when obturating plug is connected with sampling thief bottle, described flange lower surface and described sampling thief bottle end face are fitted.
In said structure, described obturating plug is threaded with described sampling thief bottle, and described obturating plug lower end is threaded with described pipe.
Beneficial effect of the present invention is: a kind of timing switch sealing-plug provided by the invention, good reliability, can be suitable on various liquid petroleum product sampling thief, when sampling thief is not sampled, cock body bottom is placed in obturating plug, fits in lower surface, cock body top and obturating plug upper surface, cock body lower side and boss side surfaces are fitted, spring part two ends are pressed on boss inclined-plane, play sealing function by this kind of structure, prevent the sample of other degree of depth from entering into sampling thief bottle; After sampling thief arrives the degree of depth of sampling, mention handle device, cock body moves up, spring part two ends move up along boss inclined-plane, spring part shrinks, cock body continues to move up until separate completely with obturating plug, now sample enters into sampling thief bottle by obturating plug, and when sample is full of sampling thief bottle, ball float rises to boss inclined-plane place under buoyancy, form self sealss, play sealing function, prevent the sample in the sample contamination sampling thief bottle of other degree of depth, sealing property is strong, the sample accuracy obtained is high, makes sample analysis result more accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of timing switch sealing-plug of the present invention.
In figure: 1, sampling thief bottle; 2, sampling thief bale handle; 3, obturating plug; 4, cock body top; 5, cock body bottom; 6, boss; 7, pipe; 8, ball float; 9, connecting plate; 10, swollen pearl; 11, spring; 12, projection; 13, draw ring; 14, pull bar; 15, O-ring seal; 16, flange.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to shown in Fig. 1, a kind of timing switch sealing-plug that the present invention discloses, be arranged on the bottle mouth position of sampling thief bottle 1, sampling thief bottle 1 is provided with sampling thief bale handle 2, sampling thief bale handle 2 has a through hole in the axial direction, facilitate the extraction of sampling thief bottle 1, the obturating plug 3 of hollow that it comprises cock body and removably connects with sampling thief bottle 1, obturating plug 3 is preferably threaded with sampling thief bottle 1, cock body comprises integrated cock body top 4 and cock body bottom 5, cock body top 4 upper center has a projection 12, upper end, cock body top 4 is provided with handle device, handle device comprises the draw ring 13 and pull bar 14 that are fixedly connected with, draw ring 13 is fixedly connected with projection 12, pull bar 14 stretches out from the through hole of sampling thief bale handle 2, handled easily pull bar 14, lower surface offers annular groove on cock body top 4, O-ring seal 15 is provided with in annular groove, enhanced leaktightness effect, lower surface has a container cavity in cock body bottom 5, spring part is provided with in container cavity, spring part comprises swollen pearl 10 and spring 11, swollen pearl 10 is arranged on the two ends of spring 11, swollen pearl 10 head stretches out from side, cock body bottom 5, obturating plug 3 inwall has the boss 6 that a cross section is right-angled trapezium, boss 6 upper surface is concordant with obturating plug 3 upper surface, obturating plug 3 lower end removably connects the pipe 7 of a lateral opening, obturating plug 3 lower end is preferably threaded with pipe 7, a ball float 8 is provided with in pipe 7, pipe 7 internal diameter is a bit larger tham the diameter of ball float 8, pipe 7 lower end is provided with connecting plate 9, prevent ball float 8 landing from pipe 7, in obturating plug 3 side, also there is a flange 16, flange 16 upper surface is concordant with obturating plug 3 upper surface, when obturating plug 3 is connected with sampling thief bottle 1, flange 16 lower surface and sampling thief bottle 1 end face are fitted, compactedness is good.
When sampling thief is not sampled, cock body bottom 5 is placed in obturating plug 3, lower surface, cock body top 4 and O-ring seal 16 are fitted with obturating plug 3 upper surface, fit in side, cock body bottom 5 and boss 6 side, swollen pearl 10 head is pressed on boss 6 inclined-plane, the bottleneck of such sampling thief bottle 1 just seals, can prevent the sample of other degree of depth from entering into sampling thief bottle 1, after sampling thief arrives the degree of depth of sampling, upwards mention pull bar 14, cock body moves up, swollen pearl 10 head moves up along boss 6 inclined-plane, spring 11 shrinks, cock body continues to move up until separate completely with obturating plug 3, now sample enters into sampling thief bottle 1 by obturating plug 3, when sample is full of sampling thief bottle 1, ball float 8 rises to boss 6 inclined-plane place under buoyancy, form self sealss, play sealing function, prevent the sample in the sample contamination sampling thief bottle 1 of other degree of depth, this structure that the present invention adopts, compact conformation, adjusting tightness can also be carried out by adjustment spring 11 length, easy to operate, sampling flexibly, utilize ball float principle to reach self sealss simultaneously, good sealing effect, the sample accuracy obtained is high, make sample analysis result more accurate, this kind of structure can be applicable on the sampling thief of various liquid petroleum product simultaneously, good reliability.
Described above is only preferred embodiment of the present invention, and above-mentioned specific embodiment is not limitation of the present invention.In technological thought category of the present invention, can occur various distortion and amendment, all those of ordinary skill in the art, according to describing retouching, the amendment made above or equivalent replacing, all belong to the scope that the present invention protects.
Claims (6)
1. a timing switch sealing-plug, be arranged on the bottle mouth position of sampling thief bottle, the obturating plug of hollow that it comprises cock body and removably connects with sampling thief bottle, it is characterized in that: described cock body comprises integrated cock body top and cock body bottom, upper end, described cock body top is provided with handle device, lower surface has a container cavity in described cock body bottom, is provided with spring part in described container cavity, and described spring part two ends are stretched out from cock body lower side, described obturating plug inwall has the boss that a cross section is right-angled trapezium, described obturating plug lower end removably connects the pipe of a lateral opening, a ball float is provided with in described pipe, described pipe lower end is provided with connecting plate, when sampling thief is not sampled, described cock body bottom is placed in obturating plug, fit in described lower surface, cock body top and described obturating plug upper surface, described cock body lower side and described boss side surfaces are fitted, described spring part two ends are pressed on described boss inclined-plane, handle device is mentioned when sampler samples, described cock body moves up, described spring part two ends move up along boss inclined-plane, spring part shrinks, described cock body continues to move up until be separated completely with described obturating plug.
2. a kind of timing switch sealing-plug according to claim 1, it is characterized in that: described spring part comprises swollen pearl and spring, described swollen pearl is arranged on the two ends of spring, swollen pearl head stretches out from cock body lower side, when sampling thief is not sampled, described swollen pearl head is pressed on described boss inclined-plane, mentions handle device when sampler samples, described swollen pearl head moves up along boss inclined-plane, described spring contraction.
3. a kind of timing switch sealing-plug according to claim 1, is characterized in that: described cock body top upper center has a projection, and described handle device comprises the draw ring and pull bar that are fixedly connected with, and described draw ring is fixedly connected with described projection.
4. a kind of timing switch sealing-plug according to claim 1, is characterized in that: lower surface offers annular groove on described cock body top, is provided with O-ring seal in described annular groove.
5. a kind of timing switch sealing-plug according to claim 1, is characterized in that: described obturating plug side has a flange, and when obturating plug is connected with sampling thief bottle, described flange lower surface and described sampling thief bottle end face are fitted.
6. a kind of timing switch sealing-plug according to claim 1, it is characterized in that: described obturating plug is threaded with described sampling thief bottle, described obturating plug lower end is threaded with described pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310524802.8A CN104596793B (en) | 2013-10-30 | 2013-10-30 | A kind of timing switch sealing-plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310524802.8A CN104596793B (en) | 2013-10-30 | 2013-10-30 | A kind of timing switch sealing-plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104596793A true CN104596793A (en) | 2015-05-06 |
| CN104596793B CN104596793B (en) | 2017-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310524802.8A Expired - Fee Related CN104596793B (en) | 2013-10-30 | 2013-10-30 | A kind of timing switch sealing-plug |
Country Status (1)
| Country | Link |
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| CN (1) | CN104596793B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441977A (en) * | 2016-11-19 | 2017-02-22 | 浙江大学 | Deep-sea autonomous sampler |
| CN106872214A (en) * | 2017-02-22 | 2017-06-20 | 镇江市丹徒区江南玻璃仪器厂 | Automatic close-type sampler |
| CN112611604A (en) * | 2020-11-30 | 2021-04-06 | 浙江省海洋水产研究所 | Marine phytoplankton sampling device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK0440023T3 (en) * | 1990-01-30 | 1994-06-27 | Neotecha Ag | Device for sampling with a valve unit and a sampling unit |
| DE29711002U1 (en) * | 1997-06-24 | 1997-08-14 | Schuth Horst | Sampling unit |
| US6162400A (en) * | 1998-08-12 | 2000-12-19 | Agilent Technologies, Inc. | Apparatus for controlling reactions |
| CN202330064U (en) * | 2011-10-21 | 2012-07-11 | 中国石油化工股份有限公司 | Oil sample collector |
| CN102607887A (en) * | 2012-03-12 | 2012-07-25 | 中国科学院南京地理与湖泊研究所 | Undisturbed box type sampler for sediment on water surface layers |
| CN203287214U (en) * | 2013-05-27 | 2013-11-13 | 中国石油化工股份有限公司 | Anti-congelation sampling valve |
| CN203606172U (en) * | 2013-10-30 | 2014-05-21 | 抚顺市博瑞特科技有限公司 | Fixed-point switching sealing plug |
-
2013
- 2013-10-30 CN CN201310524802.8A patent/CN104596793B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK0440023T3 (en) * | 1990-01-30 | 1994-06-27 | Neotecha Ag | Device for sampling with a valve unit and a sampling unit |
| DE29711002U1 (en) * | 1997-06-24 | 1997-08-14 | Schuth Horst | Sampling unit |
| US6162400A (en) * | 1998-08-12 | 2000-12-19 | Agilent Technologies, Inc. | Apparatus for controlling reactions |
| CN202330064U (en) * | 2011-10-21 | 2012-07-11 | 中国石油化工股份有限公司 | Oil sample collector |
| CN102607887A (en) * | 2012-03-12 | 2012-07-25 | 中国科学院南京地理与湖泊研究所 | Undisturbed box type sampler for sediment on water surface layers |
| CN203287214U (en) * | 2013-05-27 | 2013-11-13 | 中国石油化工股份有限公司 | Anti-congelation sampling valve |
| CN203606172U (en) * | 2013-10-30 | 2014-05-21 | 抚顺市博瑞特科技有限公司 | Fixed-point switching sealing plug |
Non-Patent Citations (3)
| Title |
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| 李建民 等: "深谷型河流水质在线监测滑轨式自动取水装置的研究", 《人民珠江》 * |
| 陈绍杰 等: "反转密封取样装置", 《煤矿安全》 * |
| 马鑫 等: "互感器油全密封取样装置的研制与应用", 《宁夏电力》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441977A (en) * | 2016-11-19 | 2017-02-22 | 浙江大学 | Deep-sea autonomous sampler |
| CN106872214A (en) * | 2017-02-22 | 2017-06-20 | 镇江市丹徒区江南玻璃仪器厂 | Automatic close-type sampler |
| CN112611604A (en) * | 2020-11-30 | 2021-04-06 | 浙江省海洋水产研究所 | Marine phytoplankton sampling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104596793B (en) | 2017-04-05 |
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| CF01 | Termination of patent right due to non-payment of annual fee |