CN205136731U - Sealing connection valve - Google Patents
Sealing connection valve Download PDFInfo
- Publication number
- CN205136731U CN205136731U CN201520906778.9U CN201520906778U CN205136731U CN 205136731 U CN205136731 U CN 205136731U CN 201520906778 U CN201520906778 U CN 201520906778U CN 205136731 U CN205136731 U CN 205136731U
- Authority
- CN
- China
- Prior art keywords
- needle
- valve body
- spool
- valve
- sealed attachment
- 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
- 238000007789 sealing Methods 0.000 title abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 4
- 210000004907 gland Anatomy 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Details Of Valves (AREA)
- Valve Housings (AREA)
Abstract
The utility creatively provides a sealing connection valve, including valve body, case, needle, needle mounting and takeover, set up case and needle in the valve body inner chamber, the front end of needle extends the valve body inner chamber, the needle is fixed through installation needle mounting to the front end of valve body, and needle accessible needle mounting carries out the back -and -forth movement, the one end that the valve body is close to the case is equipped with the pipe connection interface, is equipped with the case passageway between valve body inner chamber and the pipe connection interface, the bottom middle part of case is equipped with a bulge, along with the back -and -forth movement of needle the bulge can insert the case passageway and close it, the side at valve body middle part is equipped with the takeover that is used for connecting the vacuum pump, takes over one end intercommunication valve body inner chamber, and the other end is equipped with the vacuum pump interface. The utility model discloses create sealing connection valve's dependable performance, simple and practical, the commonality is strong.
Description
Technical field
The invention belongs to attachment valve technical field, especially relates to a kind of sealed attachment valve.
Background technique
Attachment valve mainly adapts on vacuum pipe system, and the defect that cannot operate during for making up vacuum pipe maintenance and increasing negative pressure is constituent element indispensable in vacuum pipe system.
Existing attachment valve or there is complex structure, connects and uses inconvenience, the defect that cost is high; The simple poor reliability again of structure.
Summary of the invention
In view of this, the invention is intended to propose a kind of sealed attachment valve, to provide reliable performance, and the simple and practical sealed attachment valve passed through.
For achieving the above object, the technological scheme of the invention is achieved in that
A kind of sealed attachment valve, comprise valve body, spool, needle, needle fixed block and adapter, spool and needle are set in described body cavity, the bottom of needle is fixedly connected with spool, body cavity is extended in the front end of needle, the front end of described valve body fixes needle by installing needle fixed block, and needle moves forward and backward by needle fixed block; Described valve body near spool one end be provided with pipeline connection interface, valve core channel is provided with between body cavity and pipeline connection interface, the center bottom of described spool is provided with a bump, and the movable described bump along with needle can insert valve core channel and be closed; Side in the middle part of described valve body is provided with the adapter for connecting vacuum pump, and adapter one end connecting valve intracoelomic cavity, the other end is provided with vacuum pump interface.
Further, described needle fixed block comprises platen and gland, and arrange the platen being used for fixing needle in the middle part of described needle and between valve body, arrange gland between the front end of described platen and needle, gland is threaded with needle.
Further, the front end installation of described needle is dismountable emits one.
Further, the vacuum pump interface end of described adapter is installed and is dismountablely emitted two, described in emit the inside of two to be provided with O-ring seals.
Further, the periphery of described spool bottom bump is provided with annular groove, is provided with O-ring seals in annular groove.
Further, its valve core cavity is inserted from spool front end in the bottom of described needle, and the spot welding of spool front end is used for preventing needle from departing from the block piece of valve core cavity.
Further, O-ring seals is provided with valve body front end contacting point outside described platen.
Further, the needle bottom described gland and between platen surface of contact is arranged with O-ring seals.
Relative to prior art, the invention has following advantage:
(1) structure is simple: the requirement according to extracting vacuum and sealing function is designed and pipeline welding connection place, the adapter connecting vacuum pump, valve body and the spool opening, close.
(2) easy to use: after installing on the tubing, when needing extracting vacuum (negative pressure), the connecting tube on sealed attachment valve connects with vacuum pump, opens the spool of closedown, just can extract negative pressure work, just passable when closing spool after hours.
(3) product is general: every pipe-line system needing vacuum operation, can install this valve.The end that this valve is welded on different pipe-line systems by reducing carries out extracting vacuum operation, makes sealed attachment valve reach product versatility.
(4) reliable performance: after the valve extracting vacuum that is tightly connected operation, live pipeline with seal spool, makes negative pressure system in its pipeline keep long-term pressure stability.
Accompanying drawing explanation
The accompanying drawing of the part of formation the invention is used to provide the further understanding to the invention, and the schematic description and description of the invention, for explaining the invention, does not form the improper restriction to the invention.In the accompanying drawings:
Fig. 1 is the closed condition figure of sealed attachment valve described in the invention embodiment;
Fig. 2 is the open mode figure of sealed attachment valve described in the invention embodiment.
Description of reference numerals:
1-needle, 2-gland, 3-takes over, and 4-emits two, 5-platen, 6-valve body, 7-block piece, 8-spool, and 9-emits one, 10-O shape seal ring.
Embodiment
It should be noted that, when not conflicting, the embodiment in the invention and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the invention in detail in conjunction with the embodiments.
Sealed attachment valve, as shown in Figure 1, 2, comprise valve body 6, spool 8, needle 1, needle fixed block and adapter 3, spool 8 and needle 1 are set in valve body 6 inner chamber, the bottom of needle 1 is fixedly connected with spool 8, valve body 6 inner chamber is extended in the front end of needle 1, and the front end of described valve body 6 fixes needle 1 by installing needle fixed block, and needle 1 moves forward and backward by needle fixed block;
Described valve body 6 near spool 8 one end be provided with pipeline connection interface, spool 8 passage is provided with between valve body 6 inner chamber and pipeline connection interface, the center bottom of described spool 8 is provided with a bump, and the movable described bump along with needle 1 can insert spool 8 passage and be closed;
Side in the middle part of described valve body 6 is provided with the adapter 3 for connecting vacuum pump, and one end of described adapter 3 is communicated with valve body 6 inner chamber, and the other end is provided with vacuum pump interface.
Described needle fixed block comprises platen 5 and gland 2, and arrange the platen 5 being used for fixing needle 1 in the middle part of described needle 1 and between valve body 6, arrange gland 2 between the front end of described platen 5 and needle 1, gland 2 is threaded with needle 1.
The front end installation of described needle 1 is dismountable emits 1.
The vacuum pump interface end of described adapter 3 is installed and is dismountablely emitted 24, described in emit the inside of 24 to be provided with O-ring seals 10, the used time will not emit 24 to be arranged on vacuum pump interface end, and O-ring seals 10 plays the effect of sealing.
The periphery of described spool 8 bottom bump is provided with annular groove, is provided with O-ring seals 10 in annular groove, and when the bottom of described spool 8 contacts with valve body 6 intracavity bottom along with needle 1 movable, O-ring seals 10 plays seal action.
Be provided with O-ring seals 10 with valve body 6 front end contacting point outside described platen 5, play seal action.
Needle 1 bottom described gland 2 and between platen 5 surface of contact is arranged with O-ring seals 10, plays seal action.
Its spool 8 inner chamber is inserted from spool 8 front end in the bottom of described needle 1, and spool 8 front end, by spot welding block piece 7, prevents needle 1 from departing from spool 8 inner chamber.
Described valve body 6 can cast or select carbon steel material to process, and described spool 8 and needle 1 can pass through machining welding manufacture.
During application, described sealed attachment valve mainly adapts on vacuum pipe system, the pipeline connection interface of the valve body 6 of described sealed attachment valve is welded on pipe-line system end, can when pipe-line system needs to extract negative pressure, the vacuum pump interface of described adapter 3 is connected vacuum pump, unscrew spool 8 and just open sealed attachment valve seal function, at this moment just can carry out extracting vacuum operation; Tighten spool 8 and just complete sealing function, namely complete the seal operation after the negative pressure booster of vacuum pipe.The defect that extracting vacuum (negative pressure) cannot operate when making up vacuum pipe maintenance and increase negative pressure is constituent element indispensable in vacuum pipe system; It is widely used in that chemical industry, weight are industrial, freezing, in the foundation engineering such as health, hot-water heating.
The foregoing is only the preferred embodiment of the invention; not in order to limit the invention; within all spirit in the invention and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in the invention.
Claims (8)
1. sealed attachment valve, it is characterized in that: comprise valve body, spool, needle, needle fixed block and adapter, spool and needle are set in described body cavity, the bottom of needle is fixedly connected with spool, body cavity is extended in the front end of needle, the front end of described valve body fixes needle by installing needle fixed block, and needle moves forward and backward by needle fixed block;
Described valve body is provided with pipeline connection interface near one end of spool, valve core channel is provided with between body cavity and pipeline connection interface, the center bottom of described spool is provided with a bump, and the movable described bump along with needle can insert valve core channel and be closed;
Side in the middle part of described valve body is provided with the adapter for connecting vacuum pump, and adapter one end connecting valve intracoelomic cavity, the other end is provided with vacuum pump interface.
2. sealed attachment valve according to claim 1, it is characterized in that: described needle fixed block comprises platen and gland, arrange the platen being used for fixing needle in the middle part of described needle and between valve body, arrange gland between the front end of described platen and needle, gland is threaded with needle.
3. sealed attachment valve according to claim 1, is characterized in that: the front end installation of described needle is dismountable emits one.
4. sealed attachment valve according to claim 1, is characterized in that: the vacuum pump interface end of described adapter is installed and dismountablely emitted two, described in emit the inside of two to be provided with O-ring seals.
5. sealed attachment valve according to claim 1, is characterized in that: the periphery of described spool bottom bump is provided with annular groove, is provided with O-ring seals in annular groove.
6. sealed attachment valve according to claim 1, is characterized in that: its valve core cavity is inserted from spool front end in the bottom of described needle, and the spot welding of spool front end is used for preventing needle from departing from the block piece of valve core cavity.
7. sealed attachment valve according to claim 2, is characterized in that: be provided with O-ring seals with valve body front end contacting point outside described platen.
8. sealed attachment valve according to claim 2, is characterized in that: the needle bottom described gland and between platen surface of contact is arranged with O-ring seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906778.9U CN205136731U (en) | 2015-11-13 | 2015-11-13 | Sealing connection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906778.9U CN205136731U (en) | 2015-11-13 | 2015-11-13 | Sealing connection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136731U true CN205136731U (en) | 2016-04-06 |
Family
ID=55622526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520906778.9U Expired - Fee Related CN205136731U (en) | 2015-11-13 | 2015-11-13 | Sealing connection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240587A (en) * | 2015-11-13 | 2016-01-13 | 天津智源工贸有限公司 | Vacuumized connecting valve |
-
2015
- 2015-11-13 CN CN201520906778.9U patent/CN205136731U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240587A (en) * | 2015-11-13 | 2016-01-13 | 天津智源工贸有限公司 | Vacuumized connecting valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105240587A (en) | Vacuumized connecting valve | |
| CN204942658U (en) | The anticorrosion safety valve of spring | |
| CN205136731U (en) | Sealing connection valve | |
| CN104197136A (en) | Straight-plug type quick connector | |
| CN105485387A (en) | Graded flow guide pressure relief valve and installation and use method thereof | |
| CN203240030U (en) | Pilot-operated type safety relief valve | |
| CN104696585A (en) | Multi-protection corrugated pipe stop valve for chlorine | |
| CN204459316U (en) | A kind of one-way valve | |
| CN204553948U (en) | A kind of one-way valve | |
| CN108662220B (en) | Safety valve with redundant back pressure balancing device | |
| CN204004754U (en) | Low leakage sealed fixing ball valve | |
| CN104776235B (en) | Stop valve and there is its air conditioner | |
| CN205618684U (en) | High sealed valve | |
| CN211525652U (en) | Low-inlet high-outlet plastic electromagnetic valve | |
| MX2010000239A (en) | Fluid flow valve. | |
| CN204459575U (en) | Triplate line magnetic cleaning pipe joint | |
| CN204153202U (en) | dust-proof ball valve | |
| CN204647357U (en) | Repid cut-off valve | |
| CN106678437A (en) | Valve interior observing device provided with self-luminous industrial endoscope | |
| CN206860968U (en) | Axial flow type check valve | |
| CN102817677B (en) | A kind of measuring jet two stage column surface seal structure | |
| CN204553906U (en) | The Bidirectional seal structure of ball valve | |
| CN204493872U (en) | The chlorine bellows stop valve of multiple protective | |
| CN204459612U (en) | Straight-through pipeline magnetic cleaning pipe joint | |
| CN203453497U (en) | Inflation valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 301712 Tianjin City Economic Zone of ancient town Wuqing District No. 5 Gu Xing Lu King Patentee after: TIANJIN ZHIYUAN MACHINERY MANUFACTURING CO.,LTD. Address before: 301712 Tianjin City Economic Zone of ancient town Wuqing District No. 5 Gu Xing Lu King Patentee before: TIANJIN ZHI YUAN INDUSTRY AND TRADE Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 |