CN105179870A - Vacuum seal plug - Google Patents
Vacuum seal plug Download PDFInfo
- Publication number
- CN105179870A CN105179870A CN201510423342.9A CN201510423342A CN105179870A CN 105179870 A CN105179870 A CN 105179870A CN 201510423342 A CN201510423342 A CN 201510423342A CN 105179870 A CN105179870 A CN 105179870A
- Authority
- CN
- China
- Prior art keywords
- sealing
- column
- plunger
- vacuum seal
- runddichtringo
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/11—Plugs
- F16L55/1108—Plugs fixed by screwing or by means of a screw-threaded ring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a vacuum seal plug which comprises a hexagonal plug body, an O-shaped sealing ring and a plunger sealing ring. The hexagonal plug body comprises a hex nut structure with an opening in the upper end, and cylindrical parts are additionally arranged at the upper end and the lower end of the hex nut structure respectively; the cylindrical part at the lower end is a solid cylinder and provided with a sealing groove with the smooth bottom, the cylindrical part at the upper end is of a hollow structure, and a sealing column is arranged in the hex nut structure. The hex nut structure, the cylindrical parts and the sealing column are integrated, the lower end of the sealing column is sleeved with the O-shaped sealing ring which is in contact with the inner wall of the lower end of the sealing groove in the hexagonal plug body, the sealing column is sleeved with the plunger sealing ring, and the lower end of the plunger sealing ring abuts against the O-shaped sealing ring. An internal thread is arranged on the inner wall of the hex nut structure of the hexagonal plug body, and the hexagonal plug body is connected with a threaded connecting head through the internal thread. The vacuum seal plug is small in size, convenient and effortless to operate and low in cost, the materials are common, and a good vacuum seal effect can be achieved.
Description
Technical field
The present invention relates to vacuum seal field, especially relate to a kind of vacuum seal plug.
Background technique
Plug is that one blocks up mouth unwanted in pipeline, plays the thing of sealing process.Homogeny is had with blind plate, end socket and pipe cap.
In the installation process of construction of vacuum system, according to the difference wanting the accurate complexity of summing unit of degree of vacuum, the installation of set of device will through hunting leak many times, and high vacuum precision apparatus is especially true.The inipple that the vacuum chamber surfaces of some devices also exists many opening conduit identical with the external world and welds together with it, owing to installing the needs with leak detection, the inipple of outlet will be delayed and finally just welds.Outlet, in each leak detection process, each seam and cutting, and must be very careful in the process of cutting, and one will avoid chip to enter in pipeline as far as possible, and two weld seams that pipeline will be prevented to be connected with vacuum chamber leak.Getting off in such lane is very trouble, wastes time and energy and does not say, is also easy to delay installation progress.Pipe joint is not said by very difficult the seeing of doing, and also increases the leak source of vacuum leak, and threaded connector is easy to damaged screw waiting in process to be installed.
So just need a kind of succinct vacuum sealing device easily, seal outlet, thus solve above trouble, and existing seal arrangement is difficult to reach this requirement.
Summary of the invention
The object of this invention is to provide a kind of vacuum seal plug, seal pipe outlet, thus convenient in leak detection process, quickening installation progress, simultaneously protection exit pipeline, joint weld seam and connecting head.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of vacuum seal plug, it is characterized in that: include hexagonal plug, O RunddichtringO, plunger sealing washer, described hexagonal plug includes hexagon nut structure, hexagon nut structure upper, lower end has additional column part respectively, lower end column part is solid cylinder and has the smooth seal groove in bottom in the column part of lower end, upper end column part is hollow structure, sealing column is provided with in hexagon nut structure, hexagon nut structure and column part, sealing column is as a whole, described O RunddichtringO is enclosed within the lower end of sealing column and contacts with the lower end inner wall of the seal groove of hexagonal plug, plunger sealing washer is enclosed within sealing column and the lower end of plunger sealing washer and is against on O RunddichtringO, the inwall of the hexagon nut structure of hexagonal plug is provided with internal thread, hexagonal plug is connected with threaded connector by internal thread.
Described a kind of vacuum seal plug, is characterized in that: described sealing column is smooth surface and the up-narrow and down-wide cylindrical body with certain taper, and it is the main body of sealing.
Described a kind of vacuum seal plug, is characterized in that: described plunger sealing washer entirety is stepped cylindrical body, and center has the up-narrow and down-wide through hole with certain taper, and its tapering is less than the tapering of sealing column.
Described a kind of vacuum seal plug, is characterized in that: described sealing column top is provided with chamfering, so that fill in the inner chamber of threaded connector, cooperatively interacting with plunger sealing washer is set in together, and forms main seal part.
Compared with common sealing, it has multi-sealed safety structure.First, the outer upper ends body diameter of plunger sealing washer of the present invention is slightly less than the diameter of threaded connector inner chamber, the diameter of bottom through-hole is slightly larger than sealing column top end diameter, like this along with being threaded into, sealing column can swell plunger sealing washer gradually, make plunger sealing washer outer surface be close to threaded connector inner chamber and form primary sealing area, formation secondary sealing area is close on the upper-end surface of plunger sealing washer bottom stage cylinder and the top of threaded connector simultaneously.The conical surface of sealing column and the conical surface of plunger seal ring through hole are close to formation the 3rd sealing surface and are sealed.The inner minimum diameter of a circle of O RunddichtringO is less than sealing column base diameter, and O RunddichtringO just can not fitted tightly with sealing column with hexagonal plug intracavity bottom end contact; Like this along with the continuous screw-in of screw thread, sealing column constantly swells plunger, makes above foregoing three sealing surfaces, envelope more tight, drive connecting head that plunger is constantly down extruded simultaneously, make plunger sealing washer lower end surface extrude O RunddichtringO and form the 4th sealing surface; O RunddichtringO is close to sealing column and is formed the 5th sealing surface.O RunddichtringO crush seal groove forms the 6th sealing surface.In general, first and the 3rd is sealed into main seal, and other sealing is generally standby.When primary seal goes wrong, other sealing will coordinate primary seal work, forms multi-sealed safety structure, plays good vacuum seal effect.If all coat vacuum grease on above-mentioned each surface of contact said, vacuum seal effect can reach best.
The material of hexagonal plug, sealing column, plunger sealing washer, O RunddichtringO can be selected according to the actual requirements voluntarily, structure is simple, cost is low, reliable and the easy installation and removal of working stability, succinctly easy to use, extraordinary vacuum seal effect can be reached, also can reach higher pressure suppressing in leak detection.
The present invention has the following advantages:
Volume of the present invention is little; simple operation is saved trouble; material is common, and cost is low, and sealing column and plunger sealing washer and O RunddichtringO form multiple vacuum seal structure; good vacuum seal effect can be reached; vacuum seal safety coefficient is high, and can reach higher pressure suppressing in leak detection, peformance margin is high; leak detection result is more credible, protects again screw thread and weld seam simultaneously.
Accompanying drawing explanation
Fig. 1 is work sectional view of the present invention.
Fig. 2 is the present invention is assembling generalized section.
Fig. 3 is structural representation of the present invention.
Fig. 4 is section of structure of the present invention.
Description of reference numerals: hexagonal plug 1, hexagon nut structure 1-1, column part 1-2, seal groove 1-3, O RunddichtringO 2, plunger sealing washer 3, sealing column 4, threaded connector 5.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail
Refer to shown in Fig. 2,3,4: a kind of vacuum seal plug, comprise and being made up of hexagonal plug 1, O RunddichtringO 2, plunger sealing washer 3 three part.Hexagonal plug 1 entirety is stainless, certainly require also can be replaced by other material according to individual, middle part is hexagon nut structure 1-1, front end and bottom add suitable column part 1-2, be used for increasing intracavity space, its internal thread does not reach bottom, and bottom leaves the low seal groove 1-3 of suitable space surfacing roughness of sending a car out.The bottom of O RunddichtringO 2 and seal groove 1-3 and outer side surface are formed and seal, and can consult Fig. 1,2.Hexagonal plug 1 intracavity bottom is provided with a smooth surface, and the up-narrow and down-wide cylindrical body with certain taper, is sealing column 4, and it is the main body of sealing.Sealing column 4 top ridgeline portions car becomes fillet, so that plunger is inserted in, can consult Fig. 1,2,4.The material of O RunddichtringO 2 is rubber, and bottom, the outer side surface of it and hexagonal plug seal groove 1-3 are formed and seal, and formed seal with sealing column 4, form sealing surface again with bottom plunger sealing washer 3 simultaneously, can consult Fig. 1,2.Its top of plunger sealing washer 3 is column, bottom connects the cylindrical body larger compared to upper radius, it is first and last stepped cylindrical body, but top is high much larger than lower height, center is the through hole of certain taper, its tapering is less than the tapering of sealing column 4, and the diameter of via bottoms is greater than the diameter at sealing column 4 top.Chamfering is arranged at sealing column 4 top, so that fill in the inner chamber of threaded connector 5.The outer upper ends body diameter of plunger sealing washer 3 is slightly less than the diameter of threaded connector 5 inner chamber, the diameter of via bottoms is bigger with sealing column 4 top end diameter, like this along with being threaded into, sealing column 4 can swell plunger sealing washer 3 gradually, plunger sealing washer 3 outer surface is made to seal up threaded connector 5 inner chamber, the upper-end surface of plunger sealing washer 3 bottom stage cylinder and the top of threaded connector 5 are formed and seal simultaneously, and the conical surface of the conical surface of sealing column 4 and plunger sealing washer 3 through hole is formed and seals, Fig. 1,2,4 can be consulted.
Hexagonal plug in this example is 304 stainless, and O RunddichtringO 2 and plunger sealing washer 3 are all fluorine rubber.After threaded connector 5 welds with vacuum pipe, with alcohol cloth threaded connector 5 and plunger sealing washer 3 wiped clean, for plunger sealing washer 3 coats vacuum grease, after evenly, first O RunddichtringO 2 is set in sealing column 4, be pressed into, again plunger sealing washer 3 is filled in threaded connector 5 chamber, plug and plunger hole and screw thread to good, connecting head screw thread is made constantly to screw in plug with spanner, along with being threaded into, sealing column 4 enters in plunger sealing washer 3 center hole, sealing column 4 can swell plunger gradually, outer plunger surface is made to seal up threaded connector 5 inner chamber, the upper-end surface of plunger base stepped cylindrical and the top of threaded connector 5 are formed and seal simultaneously, and the conical surface of the conical surface of sealing column 4 and plunger through hole is formed and seals.Continue to tighten plug, along with being threaded into, sealing column constantly swells plunger, makes foregoing three sealing surfaces, envelope more tight, drives connecting head that plunger is constantly down squeezed simultaneously, makes plunger lower end surface contact to be formed with O RunddichtringO 2 and seal; O RunddichtringO 2 is formed with sealing column again and seals under the extruding of plunger.When O RunddichtringO 2 plug intracavity bottom end face close contact, the distortion of O RunddichtringO is formed with end face again and seal, simultaneously and seal groove formation seal, so far just reached into multiple vacuum seal safety structure, good vacuum leakproofness can have been reached.More than can with reference to figure 1.Then just can vacuumize leak detection accordingly and suppress and hunt leak, especially suppress in leak detection, many operations of wasting time and energy can be reduced, higher pressure can reached simultaneously, increasing the safety and reliability suppressing leak detection.
In actual using process, plug and seal ring can be selected according to the actual requirements voluntarily, the reliable and easy installation and removal of working stability, succinctly easy to use, can reach extraordinary vacuum seal effect, can reach higher pressure suppressing in leak detection.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, allly do not depart from enforcement of the present invention or change, be all included in scope of patent protection of the present invention.
Claims (10)
1. a vacuum seal plug, it is characterized in that: include hexagonal plug, O RunddichtringO, plunger sealing washer, described hexagonal plug includes hexagon nut structure, hexagon nut structure upper, lower end has additional column part respectively, lower end column part is solid cylinder and has the smooth seal groove in bottom in the column part of lower end, upper end column part is hollow structure, sealing column is provided with in hexagon nut structure, hexagon nut structure and column part, sealing column is as a whole, described O RunddichtringO is enclosed within the lower end of sealing column and contacts with the lower end inner wall of the seal groove of hexagonal plug, plunger sealing washer is enclosed within sealing column and the lower end of plunger sealing washer and is against on O RunddichtringO, the inwall of the hexagon nut structure of hexagonal plug is provided with internal thread, hexagonal plug is connected with threaded connector by internal thread.
2. a kind of vacuum seal plug according to claim 1, is characterized in that: described sealing column is smooth surface and the up-narrow and down-wide cylindrical body with certain taper.
3. a kind of vacuum seal plug according to claim 1, is characterized in that: described plunger sealing washer entirety is stepped cylindrical body, and center has the up-narrow and down-wide through hole with certain taper, and its tapering is less than the tapering of sealing column.
4. a kind of vacuum seal plug according to claim 1, is characterized in that: described sealing column top is provided with chamfering, and cooperatively interacting with plunger sealing washer is set in together.
5. a kind of vacuum seal plug according to claim 1, is characterized in that: described plunger sealing washer outer surface is close to threaded connector inner chamber and is formed primary sealing area.
6. a kind of vacuum seal plug according to claim 1 or 3, is characterized in that: the described upper-end surface of plunger sealing washer bottom stage cylinder and the top of threaded connector form secondary sealing area.
7. a kind of vacuum seal plug according to claim 1 or 3, is characterized in that: formation the 3rd sealing surface is close to by the conical surface of described sealing column and the conical surface of plunger seal ring through hole.
8. a kind of vacuum seal plug according to claim 1, is characterized in that: described plunger sealing washer lower end surface extruding O RunddichtringO forms the 4th sealing surface.
9. a kind of vacuum seal plug according to claim 1, is characterized in that: described O RunddichtringO is close to sealing column and is formed the 5th sealing surface.
10. a kind of vacuum seal plug according to claim 1, is characterized in that: described O RunddichtringO crush seal groove forms the 6th sealing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423342.9A CN105179870A (en) | 2015-07-16 | 2015-07-16 | Vacuum seal plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423342.9A CN105179870A (en) | 2015-07-16 | 2015-07-16 | Vacuum seal plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105179870A true CN105179870A (en) | 2015-12-23 |
Family
ID=54902155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510423342.9A Pending CN105179870A (en) | 2015-07-16 | 2015-07-16 | Vacuum seal plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105179870A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439372A (en) * | 2016-12-03 | 2017-02-22 | 中国航空工业集团公司北京长城计量测试技术研究所 | Permeation pipe sealing device |
| CN107061921A (en) * | 2017-05-16 | 2017-08-18 | 安徽合力股份有限公司 | Blocked outside a kind of oil pipe for welded type hydraulic oil container leak test |
| CN107575692A (en) * | 2017-07-25 | 2018-01-12 | 盐城美希密封件有限公司 | A kind of plastic union pipe head seal |
| CN108006360A (en) * | 2017-11-29 | 2018-05-08 | 苏州水博士建材科技有限公司 | A kind of bare pipe pipeline packer |
| CN108612933A (en) * | 2018-05-14 | 2018-10-02 | 宋利琴 | A kind of pipeline structure |
| CN109506068A (en) * | 2018-11-20 | 2019-03-22 | 新疆华泰重化工有限责任公司 | A kind of device of novel tube bundle leak stopping |
| CN111550637A (en) * | 2020-05-15 | 2020-08-18 | 深圳市锐克科技有限公司 | Pipeline terminal plugging structure and assembly method of structure and pipeline |
| CN111674717A (en) * | 2020-06-10 | 2020-09-18 | 中国航发成都发动机有限公司 | Blocking cover for ventilating pipe joint of turbine casing of aircraft engine |
| CN113513647A (en) * | 2021-08-11 | 2021-10-19 | 创维空调科技(安徽)有限公司 | Tee bend reposition of redundant personnel mechanism and air conditioning equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0434655A1 (en) * | 1989-11-22 | 1991-06-26 | Monsanto Europe S.A./N.V. | Reusable sealing-closure system for a container |
| JPH07243576A (en) * | 1994-03-03 | 1995-09-19 | Osaka Gas Co Ltd | Seal structure |
| DE20116201U1 (en) * | 2001-10-02 | 2002-02-21 | F W Oventrop Gmbh & Co Kg | Reusable tube closure |
| CN202274092U (en) * | 2011-10-14 | 2012-06-13 | 沈阳防锈包装材料有限责任公司 | Pipe orifice sealing plug |
| JP5249598B2 (en) * | 2008-02-07 | 2013-07-31 | 因幡電機産業株式会社 | Fluid pipe sealing member and mounting method of hydraulic test plug using the same |
| CN204829103U (en) * | 2015-07-16 | 2015-12-02 | 中国科学院等离子体物理研究所 | Vacuum seal end cap |
-
2015
- 2015-07-16 CN CN201510423342.9A patent/CN105179870A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0434655A1 (en) * | 1989-11-22 | 1991-06-26 | Monsanto Europe S.A./N.V. | Reusable sealing-closure system for a container |
| JPH07243576A (en) * | 1994-03-03 | 1995-09-19 | Osaka Gas Co Ltd | Seal structure |
| DE20116201U1 (en) * | 2001-10-02 | 2002-02-21 | F W Oventrop Gmbh & Co Kg | Reusable tube closure |
| JP5249598B2 (en) * | 2008-02-07 | 2013-07-31 | 因幡電機産業株式会社 | Fluid pipe sealing member and mounting method of hydraulic test plug using the same |
| CN202274092U (en) * | 2011-10-14 | 2012-06-13 | 沈阳防锈包装材料有限责任公司 | Pipe orifice sealing plug |
| CN204829103U (en) * | 2015-07-16 | 2015-12-02 | 中国科学院等离子体物理研究所 | Vacuum seal end cap |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439372A (en) * | 2016-12-03 | 2017-02-22 | 中国航空工业集团公司北京长城计量测试技术研究所 | Permeation pipe sealing device |
| CN107061921A (en) * | 2017-05-16 | 2017-08-18 | 安徽合力股份有限公司 | Blocked outside a kind of oil pipe for welded type hydraulic oil container leak test |
| CN107575692A (en) * | 2017-07-25 | 2018-01-12 | 盐城美希密封件有限公司 | A kind of plastic union pipe head seal |
| CN108006360A (en) * | 2017-11-29 | 2018-05-08 | 苏州水博士建材科技有限公司 | A kind of bare pipe pipeline packer |
| CN108612933A (en) * | 2018-05-14 | 2018-10-02 | 宋利琴 | A kind of pipeline structure |
| CN109506068A (en) * | 2018-11-20 | 2019-03-22 | 新疆华泰重化工有限责任公司 | A kind of device of novel tube bundle leak stopping |
| CN111550637A (en) * | 2020-05-15 | 2020-08-18 | 深圳市锐克科技有限公司 | Pipeline terminal plugging structure and assembly method of structure and pipeline |
| CN111550637B (en) * | 2020-05-15 | 2021-07-20 | 深圳市锐克科技有限公司 | Pipeline terminal plugging structure and assembly method of structure and pipeline |
| CN111674717A (en) * | 2020-06-10 | 2020-09-18 | 中国航发成都发动机有限公司 | Blocking cover for ventilating pipe joint of turbine casing of aircraft engine |
| CN113513647A (en) * | 2021-08-11 | 2021-10-19 | 创维空调科技(安徽)有限公司 | Tee bend reposition of redundant personnel mechanism and air conditioning equipment |
| CN113513647B (en) * | 2021-08-11 | 2022-09-30 | 创维空调科技(安徽)有限公司 | Tee bend reposition of redundant personnel mechanism and air conditioning equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105179870A (en) | Vacuum seal plug | |
| CN204829103U (en) | Vacuum seal end cap | |
| CN103090142B (en) | Quick coupling provided with flange and used for split type air conditioner | |
| CN104006029A (en) | Hydraulic cylinder with oil leakage detection structure | |
| JP2006518833A (en) | Adjustable port end with straight thread | |
| CN213064759U (en) | Pipeline backstop | |
| CN204114387U (en) | A kind of Bite type fittings | |
| CN206352679U (en) | A kind of plug-in pressure reducer applied to fire-fighting fire extinguishing | |
| CN209960041U (en) | Shock-proof anti-loose butt-joint pipe joint device | |
| CN110939806B (en) | Low-temperature-resistant rubber combined joint | |
| CN203908461U (en) | Test tool used for detecting joint of oil outlet of oil pump | |
| CN110702328B (en) | Vacuum state detector in ship tail shaft sealing cavity | |
| CN211821247U (en) | PFA connecting piece | |
| CN203099177U (en) | Split air conditioner quick connector with flange | |
| CN209309554U (en) | A kind of multipurpose lost circulation plug | |
| CN204004918U (en) | A kind of copper tube joint | |
| CN217605275U (en) | Special fixture is suppressed to valve | |
| CN208780359U (en) | A kind of device for the installation of closed type hydraulic oil tank thermometric connector | |
| CN105972327A (en) | Novel membrane separator sealing device | |
| CN204457561U (en) | A kind of anti-leak well mouth sealing device | |
| CN205716106U (en) | Air-brake coupling hose and hydraulic brake line | |
| CN205578960U (en) | Male joint with wiper seal structure | |
| CN202614302U (en) | Water meter connecting device | |
| CN220304726U (en) | Pressure sensor sealing structure and pressure sensor with same | |
| CN203363142U (en) | Screw plug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |