CN204533551U - The normally open valve that a kind of valve stem seal end adopts bulb to connect - Google Patents
The normally open valve that a kind of valve stem seal end adopts bulb to connect Download PDFInfo
- Publication number
- CN204533551U CN204533551U CN201520110672.8U CN201520110672U CN204533551U CN 204533551 U CN204533551 U CN 204533551U CN 201520110672 U CN201520110672 U CN 201520110672U CN 204533551 U CN204533551 U CN 204533551U
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- China
- Prior art keywords
- valve
- bulb
- valve rod
- normally open
- cross
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to the normally open valve that a kind of valve stem seal end adopts bulb to connect, laterally inserted in described cylinder body one end setting sleeve is installed, the other end internal placement of described cylinder body has cross through hole, described valve rod one end is bulb shape, this end to be horizontally through in setting sleeve and corresponding with cross through hole opening end, described valve rod is socketed with spring I through portion, described valve rod bulb end is provided with valve base, described valve base is provided with gasket seal near cross through hole opening end side, in the middle part of described valve rod, snap ring is installed, described spring I one end is leaned on mutually with the inwall of cylinder body near cross through hole opening, the other end leans on mutually with snap ring side.The utility model has that structure is simple, simple installation, long service life, good sealing effect, avoids occurring because valve rod swings and causing the features such as the situation appearance of leakage.
Description
Technical field
The utility model relates to normally open valve and manufactures field, particularly relates to the normally open valve that a kind of valve stem seal end adopts bulb to connect.
Background technique
As shown in Figure 2, normally open valve originally, bulb is not adopted to connect, its valve rod one end is socketed with seal ring I, this end of valve rod extend in the cross through hole of cylinder body, seal with seal ring I and cross through hole inwall close contact, this sealing means insures not, when about valve rod or when swinging up and down, the extruding force that seal ring I is subject to can become uneven, thus sealing effect is declined, and seal ring is when running into this situation more than I time, the working life of itself also can decline, in order to solve the problem, design a kind of new sealing configuration to be necessary.
Summary of the invention
Technical problem to be solved in the utility model is to provide the normally open valve that a kind of valve stem seal end adopts bulb to connect, have that structure is simple, simple installation, long service life, good sealing effect, avoid occurring because valve rod swings and causing the features such as the situation appearance of leakage.
The utility model solves the technological scheme that its technical problem adopts: the normally open valve providing a kind of valve stem seal end to adopt bulb to connect, comprise cylinder body, valve rod and setting sleeve, laterally inserted in described cylinder body one end setting sleeve is installed, the other end internal placement of described cylinder body has cross through hole, described valve rod one end is bulb shape, this end to be horizontally through in setting sleeve and corresponding with cross through hole opening end, described valve rod is socketed with spring I through portion, described valve rod bulb end is provided with valve base, described valve base is provided with gasket seal near cross through hole opening end side, in the middle part of described valve rod, snap ring is installed, described spring I one end is leaned on mutually with the inwall of cylinder body near cross through hole opening, the other end leans on mutually with snap ring side, cylinder body arranges that one end of cross through hole can seal also can have valve port, by snap ring and spring I are arranged the state of pushing up mutually in one end, time valve rod is pressed into, spring I is by snap ring and inner wall compressive, valve rod can not replied because of the elastic force of spring I by during external force, by valve rod one end is arranged in bulb shape, time valve rod is swung, valve base and gasket seal can not be moved, while avoiding occurring leakage phenomenon, improve the working life of valve base and gasket seal.
Supplement as to the one of technological scheme described in the utility model, described inferior part of the cylinder block is vertically arranged side by side with intake valve port and valve port of giving vent to anger, described intake valve port is communicated with by cross through hole with valve port of giving vent to anger, intake valve port can only be communicated with by cross through hole with valve port of giving vent to anger, and valve body can be opened and closed rapidly.
Supplement as to the one of technological scheme described in the utility model, in the middle part of described setting sleeve insertion end, be horizontally installed with the positioning block be socketed on valve rod.
Supplement as to the one of technological scheme described in the utility model, seal ring I is installed between described positioning block and setting sleeve, by installing seal ring I, this sealing effect being increased, avoids gas to leak from during stem movement.
Supplement as to the one of technological scheme described in the utility model, described snap ring another side is leaned on mutually with positioning block, by installing snap ring, is used for fixing positioning block.
Supplement as to the one of technological scheme described in the utility model, described spring I adopts taper spring I, and its larger diameter end is positioned near valve rod bulb end, and this diameter is greater than the diameter of cross through hole.
Supplement as to the one of technological scheme described in the utility model, the diameter of described gasket seal is greater than the diameter of cross through hole, makes gasket seal shut cross through hole completely.
Supplement as to the one of technological scheme described in the utility model; described valve rod is provided with push rod on one end of setting sleeve; the spring II pushed up mutually with this end of valve rod is installed in described push rod; by mounting spring II and push rod; make one end of valve rod mounted valve seat can not because of apply transverse force excessive and destroyed; when transverse force is excessive time, the spring in push rod can be compressed, and makes valve base protected.
Supplement as to the one of technological scheme described in the utility model, between described setting sleeve outer ring and cylinder body, seal ring II is installed, by installing seal ring II, the sealing effect of setting sleeve being increased, preventing Leakage Gas phenomenon.
beneficial effect
The utility model relates to the normally open valve that a kind of valve stem seal end adopts bulb to connect, by snap ring and spring I are arranged the state of pushing up mutually in one end, time valve rod is pressed into, spring I is by snap ring and inner wall compressive, valve rod can not replied because of the elastic force of spring I by during external force, by valve rod one end is arranged in bulb shape, time valve rod is swung, valve base and gasket seal can not be moved, while avoiding occurring leakage phenomenon, improve the working life of valve base and gasket seal.The utility model also has that structure is simple, simple installation, long service life, good sealing effect, avoids occurring because valve rod swings and causing the features such as the situation appearance of leakage.
Accompanying drawing explanation
Fig. 1 is whole-cutaway view of the present utility model;
Fig. 2 is the whole-cutaway view before the utility model improves;
Fig. 3 is the enlarged partial sectional view of the utility model valve rod.
Diagram: 1, cylinder body, 2, valve rod, 3, setting sleeve, 4, valve base, 5, spring I, 6, gasket seal, 7, seal ring II, 8, positioning block, 9, seal ring I, 10, snap ring, 11, intake valve port, 12, valve port of giving vent to anger, 13, cross through hole, 14, spring II, 15, push rod.
Embodiment
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
Mode of execution of the present utility model relates to the normally open valve that a kind of valve stem seal end adopts bulb to connect, as shown in Fig. 1-3, the normally open valve that a kind of valve stem seal end adopts bulb to connect, comprise cylinder body 1, valve rod 2 and setting sleeve 3, laterally inserted in described cylinder body 1 one end setting sleeve 3 is installed, the other end internal placement of described cylinder body 1 has cross through hole 13, described valve rod 2 one end is bulb shape, this end to be horizontally through in setting sleeve 3 and corresponding with cross through hole 13 opening end, described valve rod 2 is socketed with spring I 5 through portion, described valve rod 2 bulb end is provided with valve base 4, described valve base 4 is provided with gasket seal 6 near cross through hole 13 opening end side, in the middle part of described valve rod 2, snap ring 10 is installed, described spring I 5 one end is leaned on mutually with the inwall of cylinder body 1 near cross through hole 13 opening, the other end leans on mutually with snap ring 10 side.
Described cylinder body 1 lower vertical is arranged side by side with intake valve port 11 and valve port 12 of giving vent to anger, and described intake valve port 11 is communicated with by cross through hole 13 with valve port 12 of giving vent to anger.
The positioning block 8 be socketed on valve rod 2 is horizontally installed with in the middle part of described setting sleeve 3 insertion end.
Between described positioning block 8 and setting sleeve 3, seal ring I 9 is installed.
Described snap ring 10 another side is leaned on mutually with positioning block 8.
Described spring I 5 adopts taper spring I, and its larger diameter end is positioned near valve rod 2 bulb end, and this diameter is greater than the diameter of cross through hole 13.
The diameter of described gasket seal 6 is greater than the diameter of cross through hole 13.
Be fixed on valve base 4 by link 7 in the middle part of described gasket seal 6, described link 7 diameter is less than the diameter of cross through hole 13.
Described valve rod 2 is provided with push rod 15 on one end of setting sleeve 3, is provided with the spring II 14 pushed up mutually with this end of valve rod 2 in described push rod 15.
Between described setting sleeve 3 outer ring and cylinder body 1, seal ring II 7 is installed.
Embodiment 1
When normally open valve is installed time, first get valve rod 2, by it be not bulb one end on riveting the push rod 15 that spring II 14 is equipped with in inside is installed, spring II 14 one end is arranged on valve rod 2, then a setting sleeve 3 is got, seal ring II 7 is installed in the middle part of setting sleeve 3 outer ring, in its one end, install seal ring I 9 simultaneously, install positioning block 8 more afterwards, then valve rod 2 bulb end is passed setting sleeve 3 and positioning block 8 successively, snap ring 10 is arranged on valve rod 2 simultaneously and positioning block 8 is positioned, spring I 5 is installed afterwards at valve rod 2 bulb end, and the miner diameter end of spring I 5 is leaned on mutually with the side of snap ring 10, valve base 4 is arranged on valve rod 2 bulb end afterwards, and gasket seal 6 is fixedly mounted on valve base 4, finally setting sleeve 3 and valve rod 2 are arranged on cylinder body 1 one end open place, the bigger diameter end of spring I 5 leans on mutually with the inwall of cross through hole 13 opening end simultaneously, spring I 5 is made to be in compressive state, complete the installation of normally open valve.
Embodiment 2
When valve body is in usual working state time, gas enters from intake valve port 11, gone out from valve port 12 of giving vent to anger by cross through hole 13, when needs valve body time, a transverse force is applied by giving push rod 15, valve rod 2 moves, snap ring 10 can make spring I 5 compress, cross through hole 13 is shut by gasket seal 6 simultaneously on valve base 4 completely, make valve body not carrier gas, if now swing valve rod 2, because valve rod 2 adopts bulb to be connected with valve base 4, valve rod 2 swings the sealing effect not affecting gasket seal 6 completely, when needs again carrier gas time, as long as remove transverse force, valve rod 2 can be returned to position originally because of the elastic force of spring I 5, valve body is in running order.
Claims (9)
1. the normally open valve of valve stem seal end employing bulb connection, comprise cylinder body (1), valve rod (2) and setting sleeve (3), it is characterized in that: laterally inserted in described cylinder body (1) one end setting sleeve (3) is installed, the other end internal placement of described cylinder body (1) has cross through hole (13), described valve rod (2) one end is bulb shape, this end to be horizontally through in setting sleeve (3) and corresponding with cross through hole (13) opening end, described valve rod (2) is socketed with spring I (5) through portion, described valve rod (2) bulb end is provided with valve base (4), described valve base (4) is provided with gasket seal (6) near cross through hole (13) opening end side, described valve rod (2) middle part is provided with snap ring (10), described spring I (5) one end is leaned on mutually with the inwall of cylinder body (1) near cross through hole (13) opening, the other end leans on mutually with snap ring (10) side.
2. a kind of valve stem seal end according to claim 1 adopts the normally open valve of bulb connection, it is characterized in that: described cylinder body (1) lower vertical is arranged side by side with intake valve port (11) and valve port of giving vent to anger (12), described intake valve port (11) is communicated with by cross through hole (13) with valve port of giving vent to anger (12).
3. a kind of valve stem seal end according to claim 1 adopts the normally open valve of bulb connection, it is characterized in that: be horizontally installed with the positioning block (8) be socketed on valve rod (2) in the middle part of described setting sleeve (3) insertion end.
4. a kind of valve stem seal end according to claim 3 adopts the normally open valve of bulb connection, it is characterized in that: be provided with seal ring I (9) between described positioning block (8) and setting sleeve (3).
5. the normally open valve that a kind of valve stem seal end according to claim 3 or 4 adopts bulb to connect, is characterized in that: described snap ring (10) another side is leaned on mutually with positioning block (8).
6. the normally open valve that a kind of valve stem seal end according to claim 1 or 2 or 3 adopts bulb to connect, it is characterized in that: described spring I (5) adopts taper spring, its larger diameter end is positioned near valve rod (2) bulb end, and this diameter is greater than the diameter of cross through hole (13).
7. the normally open valve that a kind of valve stem seal end according to claim 1 or 2 or 3 adopts bulb to connect, is characterized in that: the diameter of described gasket seal (6) is greater than the diameter of cross through hole (13).
8. the normally open valve that a kind of valve stem seal end according to claim 1 or 2 or 3 adopts bulb to connect, it is characterized in that: described valve rod (2) is provided with push rod (15) on one end of setting sleeve (3), is provided with the spring II (14) pushed up mutually with valve rod (2) this end in described push rod (15).
9. the normally open valve that a kind of valve stem seal end according to claim 1 or 2 or 3 adopts bulb to connect, is characterized in that: be provided with seal ring II (7) between described setting sleeve (3) outer ring and cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520110672.8U CN204533551U (en) | 2015-02-15 | 2015-02-15 | The normally open valve that a kind of valve stem seal end adopts bulb to connect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520110672.8U CN204533551U (en) | 2015-02-15 | 2015-02-15 | The normally open valve that a kind of valve stem seal end adopts bulb to connect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204533551U true CN204533551U (en) | 2015-08-05 |
Family
ID=53747560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520110672.8U Withdrawn - After Issue CN204533551U (en) | 2015-02-15 | 2015-02-15 | The normally open valve that a kind of valve stem seal end adopts bulb to connect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204533551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676014A (en) * | 2015-02-15 | 2015-06-03 | 宁波金欧五金制品有限公司 | Normally open valve employing ball head connection for sealing end of valve rod |
-
2015
- 2015-02-15 CN CN201520110672.8U patent/CN204533551U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676014A (en) * | 2015-02-15 | 2015-06-03 | 宁波金欧五金制品有限公司 | Normally open valve employing ball head connection for sealing end of valve rod |
| CN104676014B (en) * | 2015-02-15 | 2018-04-27 | 宁波金欧五金制品有限公司 | A kind of valve stem seal end uses the normally open valve of bulb connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150805 Effective date of abandoning: 20180427 |