CN202451876U - Ball valve with state locking function - Google Patents
Ball valve with state locking function Download PDFInfo
- Publication number
- CN202451876U CN202451876U CN2011205351720U CN201120535172U CN202451876U CN 202451876 U CN202451876 U CN 202451876U CN 2011205351720 U CN2011205351720 U CN 2011205351720U CN 201120535172 U CN201120535172 U CN 201120535172U CN 202451876 U CN202451876 U CN 202451876U
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- CN
- China
- Prior art keywords
- valve
- boss
- valve rod
- lock function
- 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)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model relates to a ball valve with a state locking function. The ball valve comprises a valve body with a medium channel, a ball body positioned in the valve body and a valve rod for driving the ball body to rotate, wherein a boss is formed on the top of the valve body; the valve rod passes through a valve rod hole in the boss; the inner end of the valve rod is connected with the ball body; the outer end of the valve rod extends out of the valve body; and a plurality of positioning holes are formed in the upper end face of the boss. According to the ball valve, other devices can be assembled conveniently, so that the space is saved; a state of the valve can be locked, so that misoperation is avoided; the safety is high; and due to an automatic positioning execution device, a plurality of valves can be interlocked.
Description
Technical field
The utility model relates to a kind of valve, is specifically related to a kind of ball valve that has the state lock function.
Background technique
Fig. 4 is the ordinary ball valve under a kind of existing technology, and the Gland 7 of this ball valve has almost sheltered from the end face of whole boss 6, and also has no the structure that other component can be installed on the end face of boss, causes on the raised head face other component can't be installed.Not enough below the ball valve of this structure exists: (1) this valve is not easy to install catch means; And the open and close of valve often have comparatively strict requirement in real work; Catch means is not set prevents the misoperation to valve that possibly occur in the actual mechanical process; Also can't carry out spacingly to the rotation angle of valve rod, this can bring great potential safety hazard to commercial production; (2) during valve working, usually form system with it medium is jointly controlled,, so be unfavorable for saving the space because the valve rod overhanging end can't be installed other component except the installing drive device by a lot of other component.
The model utility content
In order to solve the problems referred to above of existing technology; The purpose of the utility model is to provide a kind of ball valve that can locked position when valve wide open or complete shut-down; It is reliable that valve is used; Aperture is stable, and need not utilize under the situation of its lock function, and other supporting miniature devices can be installed on this valve.
The technological scheme that the utility model mainly adopts:
A kind of ball valve that has the state lock function; Comprise the valve body that is provided with medium channel, be positioned at the spheroid of said valve body and be used to drive the valve rod that said spheroid rotates; The top of said valve body is provided with boss, and said valve rod passes the valve rod hole on the said boss, and the inner end connects said spheroid; The outer end extends to outside the said valve body, and the upper-end surface of said boss is provided with some positioning holes.
Said some positioning holes all can be screw, also can be unthreaded hole or part is unthreaded hole for screw, part.
The end face of said boss is preferred rectangle, and said positioning hole is generally 4, lays respectively at four jiaos of end face of said boss.
Said valve rod is the valve rod that the upper end portion is preferably square toes.
The lower end of said valve rod is connected with said spheroid key.
The said ball valve that has the state lock function also is provided with the left and right valve seat that said respectively spheroid constitutes left and right sealing pair; Said left and right sealing pair lays respectively at the and arranged on left and right sides of said spheroid; The inwall of said medium channel is provided with the annular groove that is used to install said left and right valve seat, and said left and right valve seat is installed in respectively on the annular groove separately.
Said left and right valve seat preferably adopts elastic material to process, and is fitted in respectively in the annular groove of said left and right valve seat.
Like above-mentioned any described ball valve that has the state lock function, it is characterized in that said boss and valve body can be integral structure, also can be the split-type structural that is mutually permanently connected.
Said valve rod mounting hole is a shoulder hole; Comprise successively that from the bottom to top stem shaft is to limited part, valve rod be rotatably connected portion, filler filling department and Gland assembly department; Said Gland assembly department has embedded Gland; Said Gland is enclosed within on the said valve rod, and is threaded with corresponding valve rod section.
Said Gland is not established the retaining head of the positioning hole on the end face of the end face that blocks said boss or said boss.
The beneficial effect of the utility model: because the end face of boss is provided with positioning hole, and Gland do not block this end face or do not block the positioning hole on this end face, therefore made things convenient for other device mounting, helps saving the space; Said positioning hole also can be used for valve actuator on respective aperture cooperate and realize the valve state locking; For example through in positioning hole, inserting pin so that valve fixes on standard-sized sheet, full cut-off or other intermediatenesses; Avoid the generation of misoperation; Under the prerequisite of being furnished with automatic location actuating device (for example automatic inserted pin spike devices), a plurality of valves can also be realized interlocking.
Description of drawings
Fig. 1 is the structural drawing of a kind of embodiment when the valve wide open state of the utility model;
Fig. 2 is the structural drawing of a kind of embodiment when the valve full-shut position of the utility model;
Fig. 3 is that the B of Fig. 1, Fig. 2 is to view;
Fig. 4 is the ball valve sectional view under the existing technology.
Embodiment
Like Fig. 1, Fig. 2, shown in Figure 3; A kind of ball valve that has the state lock function comprises valve body 14, the spheroid 9 that is positioned at said valve body that is provided with medium channel and is used to drive the valve rod 5 that said spheroid rotates that the top of said valve body is provided with boss 6; Said valve rod passes the valve rod hole on the said boss; The inner end connects said spheroid, and the outer end extends to outside the said valve body, and the upper-end surface of said boss is provided with some positioning holes 6.1.Said some positioning holes all can be screw, also can be unthreaded hole or part is unthreaded hole for screw, part; Cooperate pin with certain-length or bolt can both be effectively the keying state of valve to be locked, described certain-length generally reaches spacing purpose and gets final product.The setting of this structure can be stopped the generation of misoperation basically, has improved the Security in producing.
As shown in Figure 3, the end face of said boss is preferably rectangle, can change according to the concrete shape of actual conditions certainly.
Said positioning hole can be for a plurality of; Preferably amount to 4; Lay respectively at four jiaos of end face of said boss, to meet the needs that other component in most cases are installed on this boss, wherein a part or whole holes then can be used for the usefulness of the spacing or locking of valve.
Said valve rod is that the upper end portion is the valve rod 5.1 of square toes.
The lower end of said valve rod is connected with said spheroid key 8, and said mechanical actuation device and/or manual driving device rotate said spheroid through valve rod, thereby controls the switching of this ball valve.
As shown in Figure 3; When mechanical actuation device or manual driving device open and close through valve rod control ball valve accomplish after; Take off mechanical actuation device or manual driving device, insert in all or part of said positioning hole, make mechanical actuation device or manual driving device can not change open and-shut mode when early gate with pin or bolt; Promptly lock successfully, avoided misoperation.
Flange arrangement is adopted in the connection of said valve body and valve gap 1, and the two is fixed together through bolt-nut external member 12.Excessive in order to prevent the medium in the valve, adopt flange seal spare 11 to seal.Said valve gap and valve body each other near part be spherical zone shape negative camber, and be configured for holding the negative camber of said spheroid jointly, the radius of curvature of this negative camber should equate with the radius of said spheroid, so that adapt with the shape of spheroid periphery.Said valve gap and valve body are equipped with center through hole, and except the negative camber part of valve gap and valve body, its center through hole is a column, is preferably cylindric through hole.The column center through hole of said valve gap surrounds the left chamber of ball valve, and the column center through hole of said valve body surrounds the right chamber of ball valve, and the chamber at said spheroid place is a lumen.
The said ball valve that has the state lock function also is provided with the left and right valve seat that constitutes left and right sealing pair respectively with said spheroid; Said left and right valve seat lays respectively at the and arranged on left and right sides of said spheroid; The inwall of said medium channel is provided with the annular groove that is used to install said left and right valve seat; Said left and right valve seat is installed in respectively on the annular groove separately, adopts the bilateral symmetry structure, and said valve body, spheroid and valve rod also adopt symmetrical structure; The valve that forms thus is a two way valve, and any direction all can connect inlet pipeline.
Said left and right valve seat preferably adopts elastic material to process, and relies on the compressive strain of himself to embed in said annular groove.
Like above-mentioned any described ball valve that has the state lock function, it is characterized in that said boss and valve body can be integral structure, also can be the split-type structural that is mutually permanently connected.When adopting split-type structural, said boss can be fixed through screw or other forms and said valve gap.
Said valve rod mounting hole is a shoulder hole; Can comprise successively that from the bottom to top stem shaft is to limited part, valve rod be rotatably connected portion, filler filling department and Gland assembly department; Said Gland assembly department has embedded Gland 7, is pressed on filler 3 tops, and said Gland should not block the positioning hole on the said boss; Said Gland is enclosed within on the said valve rod, and is threaded with corresponding valve rod section.
For easy for installation, said Gland is not established the retaining head of the positioning hole on the end face of the end face that blocks said boss or said boss.
In actual mechanical process, when being used for the interlock control of a large amount of valves, can adopt automatic controller to cooperate machine to carry out the interlocking that the mechanical caging action can realize many valves.
Described in this specification " on ", D score, " left side ", " right side ", " top " all relative Fig. 1.
Claims (10)
1. ball valve that has the state lock function; Comprise the valve body that is provided with medium channel, be positioned at the spheroid of said valve body and be used to drive the valve rod that said spheroid rotates; The top of said valve body is provided with boss, and said valve rod passes the valve rod hole on the said boss, and the inner end connects said spheroid; The outer end extends to outside the said valve body, it is characterized in that the upper-end surface of said boss is provided with some positioning holes.
2. the ball valve that has the state lock function as claimed in claim 1 is characterized in that said some positioning holes are screw, are unthreaded hole or partly are unthreaded hole for screw, part.
3. the ball valve that has the state lock function as claimed in claim 2, the end face that it is characterized in that said boss is a rectangle, said positioning hole amounts to 4, lays respectively at four jiaos of end face of said boss.
4. the ball valve that has the state lock function as claimed in claim 3 is characterized in that said valve rod is that the upper end portion is the valve rod of square toes.
5. the ball valve that has the state lock function as claimed in claim 4 is characterized in that the lower end of said valve rod is connected with said spheroid key.
6. the ball valve that has the state lock function as claimed in claim 5; It is characterized in that also being provided with the left and right valve seat that constitutes left and right sealing pair respectively with said spheroid; Said left and right valve seat lays respectively at the and arranged on left and right sides of said spheroid; The inwall of said medium channel is provided with the annular groove that is used to install said left and right valve seat, and said left and right valve seat is installed in respectively on the annular groove separately.
7. the ball valve that has the state lock function as claimed in claim 6 is characterized in that said left and right valve seat adopts elastic material to process, and is fitted in respectively in the annular groove of said left and right valve seat.
8. like claim 1,2,3,4,5, the 6 or 7 described ball valves that have the state lock function, it is characterized in that said boss and valve body are integral structure, or the split-type structural for being mutually permanently connected.
9. the ball valve that has the state lock function as claimed in claim 8; It is characterized in that said valve rod mounting hole is a shoulder hole; Comprise successively that from the bottom to top stem shaft is to limited part, valve rod be rotatably connected portion, filler filling department and Gland assembly department; Said Gland assembly department has embedded Gland, and said Gland is enclosed within on the said valve rod, and is threaded with corresponding valve rod section.
10. the ball valve that has the state lock function as claimed in claim 9 is characterized in that said Gland does not block the said positioning hole on the end face of end face or said boss of said boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205351720U CN202451876U (en) | 2011-12-20 | 2011-12-20 | Ball valve with state locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205351720U CN202451876U (en) | 2011-12-20 | 2011-12-20 | Ball valve with state locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451876U true CN202451876U (en) | 2012-09-26 |
Family
ID=46867742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205351720U Expired - Fee Related CN202451876U (en) | 2011-12-20 | 2011-12-20 | Ball valve with state locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451876U (en) |
-
2011
- 2011-12-20 CN CN2011205351720U patent/CN202451876U/en not_active Expired - Fee Related
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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: 20120926 Termination date: 20141220 |
|
| EXPY | Termination of patent right or utility model |