CN206626221U - Spherical bidirectional valve - Google Patents
Spherical bidirectional valve Download PDFInfo
- Publication number
- CN206626221U CN206626221U CN201720312107.9U CN201720312107U CN206626221U CN 206626221 U CN206626221 U CN 206626221U CN 201720312107 U CN201720312107 U CN 201720312107U CN 206626221 U CN206626221 U CN 206626221U
- Authority
- CN
- China
- Prior art keywords
- valve body
- spiral shell
- hole
- platform
- ball
- 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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- Taps Or Cocks (AREA)
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a kind of spherical bidirectional valve, including valve body, ball, connect spiral shell, spring and sealing ring；Valve body is ladder pipe, is coaxially provided with valve body hole, expansion platform hole and screwed hole, the radial equipartition of valve body hole and three and valve body hole length identical guiding gutter；It is the ladder pipe provided with endoporus to connect spiral shell, the outer surface for connecing spiral shell is divided into close to the thread segment of port and close to non-threaded section of ball, non-threaded section of spiral shell is connect by inner and be sequentially provided with small expansion platform outside and big expand platform, seal groove is radially provided with expanding platform greatly, sealing ring is placed in seal groove, and spring one end is enclosed on small expansion platform, the other end is in contact with ball, make ball and the dynamic cooperation of valve body hole, the size expansion platform connect on spiral shell coordinates with expanding platform hole, connects spiral shell thread segment and screwed hole cooperation.The utility model is adaptable to High Voltage operation, have it is simple and compact for structure, simple for process, be easy to assembling, can meet produce product technology requirement.
Description
Technical field
A kind of valve is the utility model is related to, more particularly to a kind of spherical bidirectional valve.
Background technology
During multiple pressure vessel series and parallel uses, when self-destruction occurs for some pressure vessel or drastically leaks, moment
When pressure is intended to zero, to avoid being connected, pressure vessel is affected by it, and can be mounted with two-way valve between even container more.But at present
There is the defects of pressure voltage is relatively low, relative flow resistance is big for two-way valve.
The content of the invention
In order to overcome defect present in prior art, the utility model discloses a kind of spherical bidirectional valve, it is desirable to provide
One kind is adapted to High Voltage operation, simple and compact for structure, simple for process, be easy to assembling, can meet to produce product skill
The spherical bidirectional valve of art requirement.
What the technical solution of the utility model was realized in：
A kind of spherical bidirectional valve, including valve body, ball, connect spiral shell, spring and sealing ring；
The valve body is ladder pipe, is coaxially provided with the valve body hole for accommodating ball, valve body hole both sides coaxial-symmetrical according to
Secondary be provided with expands platform hole and screwed hole, and the radial equipartition of the valve body hole three and valve body hole length identical guiding gutter, and leans on
The expansion platform hole of nearly valve body hole one end（I.e.：The expansion platform hole section for being cased with spring corresponding with small expansion platform）Cross-sectional area be more than valve body hole
In three guiding gutters form the cross-sectional area of circumscribed circle, the internal diameter of the screwed hole is more than close to screwed hole one end Kuo Tai holes
Internal diameter（I.e.：It is corresponding with big expansion platform to expand platform hole section）；
The spiral shell that connects is the ladder pipe provided with endoporus, and the outer surface for connecing spiral shell is divided into close to the thread segment of port and close
Non-threaded section of ball, it is described connect non-threaded section of spiral shell by it is inner and be sequentially provided with outside small expansion platform and it is big expand platform, be radially provided with expanding platform greatly
Seal groove, the sealing ring are placed in seal groove, and the spring one end is enclosed on small expansion platform, and the other end is in contact with ball, with ball
It is placed in together in valve body, makes ball and the dynamic cooperation of valve body hole, the size connect on spiral shell expands platform and coordinated with expanding platform hole, described to connect spiral shell spiral shell
Line section coordinates with screwed hole.
It is preferred that the spherical bidirectional valve also includes connecting six sides with the spiral shell thread segment that connects.
As a kind of preferred embodiment, internal thread is provided with close to one end of port in the spiral shell endoporus that connects, so as to external
Connection.
Fixed in order to facilitate installation, the valve body is outer ladder pipe with groove.
As a kind of preferred embodiment, the external diameter of the valve body hole and the valve body is coaxial, so in temperature change,
Relative deformation is minimum.
Operation principle of the present utility model is：
When pressure difference is less than critical value（Including p1=p2）, ball is centrally located under the action of the spring, at two-way valve
In opening, the relatively high one end of pressure can flow to low one end；
Work as pressure difference（I.e.：p1＞ p2Or p2＞ p1）During more than critical value, ball is placed in the low side of pressure, and two-way valve is in
Cut-off state.
The beneficial effects of the utility model are：
（1）Because ball and valve body hole are linear contact lays, the more conducively flowing of medium, it is relative to overcome two-way valve in the prior art
The defects of flow resistance is big；
（2）Due to ball and spiral shell contact site good rigidity is connect, is adaptable to work under High Voltage state；
（3）It is simple and compact for structure, simple for process, performance is good, be easy to assembling, can meet produce product technology requirement
Spherical bidirectional valve.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation when the utility model embodiment is opened.
Structural representation when Fig. 2 is the utility model embodiment forward direction cut-off.
Fig. 3 is structural representation when the utility model embodiment is reversely ended.
Fig. 4 is the diagrammatic cross-section in the utility model embodiment Figure 1A-A faces.
In figure：1st, valve body；2nd, ball；3rd, spiral shell is connect；4th, spring；5th, sealing ring；6th, six side；11st, valve body hole；12nd, platform hole is expanded；
13rd, screwed hole；14th, guiding gutter；31st, endoporus；32nd, thread segment；33rd, small expansion platform；34th, platform is expanded greatly.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment
Spherical bidirectional valve as Figure 1-4, including valve body 1, ball 2, meet spiral shell 3, spring 4, the side 6 of sealing ring 5 and six；It is described
Valve body 1 is outer ladder pipe with groove, is coaxially provided with the valve body hole 11 for accommodating ball 2, and the both sides of valve body hole 11 are coaxially right
Title is sequentially provided with expansion platform hole 12 and screwed hole 13, the radial equipartition of the valve body hole 11 three and the length identical of valve body hole 11
Guiding gutter 14, and close to the expansion platform hole 12 of the one end of valve body hole 11（I.e.：The expansion platform hole section for being cased with spring 4 corresponding with small expansion platform 33）
Cross-sectional area be more than three guiding gutters 14 in valve body hole 11 and form the cross-sectional area of circumscribed circle, the internal diameter of the screwed hole 13
More than close to one end Kuo Tai holes 12 of screwed hole 13（I.e.：It is corresponding with big expansion platform 34 to expand platform hole section）Internal diameter；It is described to connect spiral shell 3 to set
There is the ladder pipe of endoporus 31, internal thread is provided with close to one end of port in the spiral shell endoporus 31 that connects, so as to external connection；It is described to connect
The outer surface of spiral shell 3 is divided into close to the thread segment 32 of port and close to non-threaded section of ball 2, it is described connect non-threaded section of spiral shell 3 by inner and
Small expansion platform 33 and big expansion platform 34 are sequentially provided with outside, are radially provided with seal groove expanding platform 34 greatly, the sealing ring 5 is placed in seal groove
It is interior, described one end of spring 4 be enclosed on it is small expansion platform 33 on, the other end is in contact with ball 2, is placed in together with ball 2 in valve body 1, make ball 2 and
Valve body hole 11 is dynamic to be coordinated, and the size connect on spiral shell expands platform and coordinated with expanding platform hole 12, described to connect spiral shell thread segment 32 and screwed hole 13
Coordinate；Six side 6 connects with the spiral shell thread segment 32 that connects, and outer six sides 6 of spiral shell 3 are met described in spanner fastens.
As shown in figure 1, when pressure difference is less than critical value（Including p1=p2）, ball 2 is located at interposition in the presence of spring 4
Put, two-way valve is in opening, and the relatively high one end of pressure can be flowed to through guiding gutter 14 by the gap of ball 2 and valve body 1 and be pressed
Strong relatively low one end.
As shown in Fig. 2 work as pressure difference（p1＞ p2）During more than critical value, ball 2 is in p1In the presence of, overcome the effect of spring 4
Power, to p2Direction is mobile and closing connects spiral shell endoporus 31, and two-way valve is in positive cut-off state.
As shown in figure 3, work as pressure difference（p2＞ p1）During more than critical value, then closing is in opposite direction, and two-way valve, which is in, reversely to be cut
Only state.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
1. a kind of spherical bidirectional valve, it is characterised in that including valve body, ball, connect spiral shell, spring and sealing ring；
The valve body is ladder pipe, is coaxially provided with the valve body hole for accommodating ball, and valve body hole both sides coaxial-symmetrical is set successively
Having and expand platform hole and screwed hole, the radial equipartition of the valve body hole three and valve body hole length identical guiding gutter, and close to valve
The cross-sectional area in the expansion platform hole of body opening one end is more than the cross-sectional area that three guiding gutters in valve body hole form circumscribed circle, the spiral shell
The internal diameter of pit is more than the internal diameter close to screwed hole one end Kuo Tai holes；
The spiral shell that connects is the ladder pipe provided with endoporus, and the outer surface for connecing spiral shell is divided into close to the thread segment of port and close to ball
Non-threaded section, it is described connect non-threaded section of spiral shell by it is inner and be sequentially provided with outside small expansion platform and it is big expand platform, be radially provided with sealing expanding platform greatly
Groove, the sealing ring are placed in seal groove, and the spring one end is enclosed on small expansion platform, and the other end is in contact with ball, together with ball
It is placed in valve body, the size connect on spiral shell expands platform and coordinated with expanding platform hole, and the spiral shell thread segment that connects coordinates with screwed hole.
2. spherical bidirectional valve as claimed in claim 1, it is characterised in that：Also include connecting six sides with the spiral shell thread segment that connects.
3. spherical bidirectional valve as claimed in claim 1, it is characterised in that：It is provided with the spiral shell endoporus that connects close to one end of port
Internal thread, so as to external connection.
4. spherical bidirectional valve as claimed in claim 1, it is characterised in that：The valve body is outer ladder pipe with groove.
5. spherical bidirectional valve as claimed in claim 1, it is characterised in that：The external diameter of the valve body hole and the valve body is coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720312107.9U CN206626221U (en) | 2017-03-28 | 2017-03-28 | Spherical bidirectional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720312107.9U CN206626221U (en) | 2017-03-28 | 2017-03-28 | Spherical bidirectional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206626221U true CN206626221U (en) | 2017-11-10 |
Family
ID=60208903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720312107.9U Expired - Fee Related CN206626221U (en) | 2017-03-28 | 2017-03-28 | Spherical bidirectional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206626221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594462A (en) * | 2019-09-26 | 2019-12-20 | 延安大学 | Explosion-proof flow-limiting valve |
-
2017
- 2017-03-28 CN CN201720312107.9U patent/CN206626221U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594462A (en) * | 2019-09-26 | 2019-12-20 | 延安大学 | Explosion-proof flow-limiting valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |