CN105240587A - Vacuumized connecting valve - Google Patents
Vacuumized connecting valve Download PDFInfo
- Publication number
- CN105240587A CN105240587A CN201510780579.2A CN201510780579A CN105240587A CN 105240587 A CN105240587 A CN 105240587A CN 201510780579 A CN201510780579 A CN 201510780579A CN 105240587 A CN105240587 A CN 105240587A
- Authority
- CN
- China
- Prior art keywords
- needle
- valve
- spool
- valve body
- vacuumize
- 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
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
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- 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
Abstract
The invention provides a vacuumized connecting valve. The vacuumized connecting valve comprises a valve body, a valve core, a valve needle, a valve needle fixing part and a connecting pipe, wherein the valve core and the valve needle are arranged in the inner cavity of the valve body, the front end of the valve needle extends out of the inner cavity of the valve body, and the valve needle is fixed to the front end of the valve body by installing the valve needle fixing part and can move from front to back through the valve needle fixing part. A pipeline connecting port is formed in the end, close to the valve core, of the valve body, a valve core channel is arranged between the inner cavity of the valve body and the pipeline connecting port, and a protruding part is arranged in the middle of the bottom end of the valve core and can be inserted into the valve core channel to close the valve core channel along with the front-to-back movement of the valve needle. The connecting pipe used for being connected with a vacuum pump is arranged on the side surface in the middle of the valve body, one end of the connecting pipe is communicated with the inner cavity of the valve body, and a vacuum pump port is formed in the other end of the connecting pipe. The vacuumized connecting valve is reliable in performance, simple, practical and high in universality.
Description
Technical field
The invention belongs to attachment valve technical field, especially relate to one and vacuumize 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 present invention is intended to propose one and vacuumizes attachment valve, to provide reliable performance, simple and practical pass through vacuumize attachment valve.
For achieving the above object, technological scheme of the present invention is achieved in that
One vacuumizes 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 present 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 vacuumized in 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 to vacuumize attachment valve and reaches 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 forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is for vacuumizing the closed condition figure of attachment valve described in the embodiment of the present invention;
Fig. 2 is for vacuumizing the open mode figure of attachment valve described in the embodiment of the present invention.
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 present invention and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Vacuumize 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, the described attachment valve that vacuumizes mainly adapts on vacuum pipe system, the described pipeline connection interface vacuumizing the valve body 6 of 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 just to open and vacuumize attachment valve sealing 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 preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. vacuumize 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. according to claim 1ly vacuumize attachment valve, 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. according to claim 1ly vacuumize attachment valve, it is characterized in that: the front end of described needle is installed and dismountablely emitted one.
4. according to claim 1ly vacuumize attachment valve, it 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. according to claim 1ly vacuumize attachment valve, it 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. according to claim 1ly vacuumize attachment valve, it is characterized in that: its valve core cavity is inserted from spool front end in the bottom of described needle, the spot welding of spool front end is used for preventing needle from departing from the block piece of valve core cavity.
7. according to claim 2ly vacuumize attachment valve, it is characterized in that: outside described platen, be provided with O-ring seals with valve body front end contacting point.
8. according to claim 2ly vacuumize attachment valve, it 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 |
|---|---|---|---|
| CN201510780579.2A CN105240587A (en) | 2015-11-13 | 2015-11-13 | Vacuumized connecting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780579.2A CN105240587A (en) | 2015-11-13 | 2015-11-13 | Vacuumized connecting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105240587A true CN105240587A (en) | 2016-01-13 |
Family
ID=55038353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510780579.2A Pending CN105240587A (en) | 2015-11-13 | 2015-11-13 | Vacuumized connecting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240587A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678470A (en) * | 2016-07-19 | 2017-05-17 | 广西正匠农业科技有限公司 | Quick connector valve for engineering vehicle air conditioner and installing method thereof |
| CN108019527A (en) * | 2017-12-07 | 2018-05-11 | 北京市北分仪器技术有限责任公司 | A kind of manual vacuum takes out valve in advance |
| CN108468816A (en) * | 2018-06-20 | 2018-08-31 | 天津中德应用技术大学 | High-air-tightness vacuum valve |
| JP7152008B2 (en) | 2018-10-04 | 2022-10-12 | イーシーテクノ株式会社 | needle and needle valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000148254A (en) * | 1998-11-13 | 2000-05-26 | Ckd Corp | Vacuum pressure controller |
| CN202048223U (en) * | 2011-04-28 | 2011-11-23 | 广东恒基金属制品实业有限公司 | Two-dimensional flow stop valve of air conditioner |
| CN202708101U (en) * | 2012-08-07 | 2013-01-30 | 北京和华腾真空泵压缩机有限公司 | Vacuum-pumping pull valve |
| CN205136731U (en) * | 2015-11-13 | 2016-04-06 | 天津智源工贸有限公司 | Sealing connection valve |
-
2015
- 2015-11-13 CN CN201510780579.2A patent/CN105240587A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000148254A (en) * | 1998-11-13 | 2000-05-26 | Ckd Corp | Vacuum pressure controller |
| CN202048223U (en) * | 2011-04-28 | 2011-11-23 | 广东恒基金属制品实业有限公司 | Two-dimensional flow stop valve of air conditioner |
| CN202708101U (en) * | 2012-08-07 | 2013-01-30 | 北京和华腾真空泵压缩机有限公司 | Vacuum-pumping pull valve |
| CN205136731U (en) * | 2015-11-13 | 2016-04-06 | 天津智源工贸有限公司 | Sealing connection valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678470A (en) * | 2016-07-19 | 2017-05-17 | 广西正匠农业科技有限公司 | Quick connector valve for engineering vehicle air conditioner and installing method thereof |
| CN108019527A (en) * | 2017-12-07 | 2018-05-11 | 北京市北分仪器技术有限责任公司 | A kind of manual vacuum takes out valve in advance |
| CN108019527B (en) * | 2017-12-07 | 2023-07-18 | 北京市北分仪器技术有限责任公司 | Manual vacuum pre-pumping valve |
| CN108468816A (en) * | 2018-06-20 | 2018-08-31 | 天津中德应用技术大学 | High-air-tightness vacuum valve |
| JP7152008B2 (en) | 2018-10-04 | 2022-10-12 | イーシーテクノ株式会社 | needle and needle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 301712 Tianjin City Economic Zone of ancient town Wuqing District No. 5 Gu Xing Lu King Applicant after: Tianjin Zhiyuan machinery manufacturing Limited by Share Ltd Address before: 301712 Tianjin City Economic Zone of ancient town Wuqing District No. 5 Gu Xing Lu King Applicant before: Tianjin Zhi Yuan Industry and Trade Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160113 |