CN204692593U - A kind of evacuation valve - Google Patents
A kind of evacuation valve Download PDFInfo
- Publication number
- CN204692593U CN204692593U CN201520345105.0U CN201520345105U CN204692593U CN 204692593 U CN204692593 U CN 204692593U CN 201520345105 U CN201520345105 U CN 201520345105U CN 204692593 U CN204692593 U CN 204692593U
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- CN
- China
- Prior art keywords
- vacuum
- valve body
- nut
- connects
- valve
- 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
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Abstract
The utility model discloses a kind of evacuation valve, comprise handle, valve rod, upper valve body, threeway, lower valve body, vacuum stopper, vacuum nozzle and vacuum connect; Described threeway connects upper valve body, lower valve body and vacuum connect respectively; Described vacuum nozzle attaching nut; Described vacuum connect connects vacuum pump set; Described handle is fixedly connected with by hexagon nut with valve rod, and valve rod connects the vacuum stopper be arranged in vacuum nozzle; This evacuation valve, triple seal, vacuum is more reliable; Assembling is simple, strong operability; Overall package is simple, practical, is easy to promote the use of.
Description
Technical field
The utility model relates to technical applications of finding time, and is specially a kind of evacuation valve.
Background technique
Evacuation valve, applies very general in productive life; Evacuation valve operation inconvenience in prior art, complex structure, sealing is not strong, can not meet the need of production of people.
Summary of the invention
The purpose of this utility model is to provide a kind of evacuation valve.
For achieving the above object, the utility model provides following technological scheme: a kind of evacuation valve, comprises handle, valve rod, upper valve body, threeway, lower valve body, vacuum stopper, vacuum nozzle and vacuum connect; Described threeway connects upper valve body, lower valve body and vacuum connect respectively; Described vacuum nozzle attaching nut; Described vacuum connect connects vacuum pump set; Described handle is fixedly connected with by hexagon nut with valve rod, and valve rod connects the vacuum stopper be arranged in vacuum nozzle; Described upper valve body coupling nut, and nut is arranged on outer end on upper valve body.
Further, described upper valve body coupling nut joint is provided with the first grommet, the second grommet and lining.
Further, described vacuum nozzle and nut joint are provided with the 3rd grommet and seal ring.
Compared with prior art, the beneficial effects of the utility model are: this evacuation valve, triple seal, and vacuum is more reliable; Assembling is simple, strong operability; Overall package is simple, practical, is easy to promote the use of.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technological scheme: a kind of evacuation valve, comprises handle 1, valve rod 3, upper valve body 8, threeway 9, lower valve body 10, vacuum stopper 13, vacuum nozzle 14 and vacuum connect 15; Described threeway 9 connects upper valve body 8, lower valve body 10 and vacuum connect 15 respectively; Described vacuum nozzle 14 attaching nut 11; Described vacuum connect 15 connects vacuum pump set; Described handle 1 is fixedly connected with by hexagon nut 2 with valve rod 3, and valve rod 3 connects the vacuum stopper 13 be arranged in vacuum nozzle 14; Described upper valve body 8 coupling nut 4, and nut 4 is arranged on outer end on upper valve body 8.
Further, described upper valve body 8 coupling nut 4 joint is provided with the first grommet 5, second grommet 6 and lining 7.
Further, described vacuum nozzle 14 is provided with the 3rd grommet 12 and seal ring 16 with nut 11 joint.
The utility model is in use: when vacuumizing, by mentioning valve rod 3, and drive vacuum stopper 13, opening of regulating valve, carries out vacuumizing process;
During sealed knot, by compressing valve rod 3, make vacuum stopper 13 and vacuum nozzle 14 fluid-tight engagement, regulating valve closes, then rotary valve rod 3, disconnects and being connected with vacuum stopper 13, turn on nut.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (3)
1. an evacuation valve, comprises handle, valve rod, upper valve body, threeway, lower valve body, vacuum stopper, vacuum nozzle and vacuum connect; It is characterized in that: described threeway connects upper valve body, lower valve body and vacuum connect respectively; Described vacuum nozzle attaching nut; Described vacuum connect connects vacuum pump set; Described handle is fixedly connected with by hexagon nut with valve rod, and valve rod connects the vacuum stopper be arranged in vacuum nozzle; Described upper valve body coupling nut, and nut is arranged on outer end on upper valve body.
2. a kind of evacuation valve according to claim 1, is characterized in that: described upper valve body coupling nut joint is provided with the first grommet, the second grommet and lining.
3. a kind of evacuation valve according to claim 1, is characterized in that: described vacuum nozzle and nut joint are provided with the 3rd grommet and seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345105.0U CN204692593U (en) | 2015-05-26 | 2015-05-26 | A kind of evacuation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345105.0U CN204692593U (en) | 2015-05-26 | 2015-05-26 | A kind of evacuation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204692593U true CN204692593U (en) | 2015-10-07 |
Family
ID=54232891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520345105.0U Expired - Fee Related CN204692593U (en) | 2015-05-26 | 2015-05-26 | A kind of evacuation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204692593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355590A (en) * | 2017-07-18 | 2017-11-17 | 上海航天控制技术研究所 | A kind of extraction valve frock and its air extracting seal method |
-
2015
- 2015-05-26 CN CN201520345105.0U patent/CN204692593U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355590A (en) * | 2017-07-18 | 2017-11-17 | 上海航天控制技术研究所 | A kind of extraction valve frock and its air extracting seal method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160526 |