CN204344983U - Anti-misoperation formula ball valve - Google Patents
Anti-misoperation formula ball valve Download PDFInfo
- Publication number
- CN204344983U CN204344983U CN201420819976.7U CN201420819976U CN204344983U CN 204344983 U CN204344983 U CN 204344983U CN 201420819976 U CN201420819976 U CN 201420819976U CN 204344983 U CN204344983 U CN 204344983U
- Authority
- CN
- China
- Prior art keywords
- rotary part
- spring
- misoperation
- valve
- annular wave
- 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 discloses a kind of anti-misoperation formula ball valve, comprise protection mechanism for controlling the rotation of valve rod, comprise rotary part, fixing part and adjusting portion, connection both rotary part and fixing part are realized by adjusting portion, fixedly comprise the projection being located at annular wave slideway on valve rod and central protuberance, rotary part and projection grafting also can rotate around projection, rotary part just offers some flutings to an end face of annular wave slideway, some flutings surround the circle corresponding with annular wave slideway, adjusting portion comprises the first spring being located at some flutings, spin and the second spring, first spring and spin are fixed, spin and annular wave slideway abut against, second spring is located between rotary part and fixing part for supporting rotary part and fixing, the protection mechanism arranged replaces original spanner for installing and regulating slot milling, rotate rotary part drives fixing part rotation to reach anti-misoperation function by this huge frictional force simultaneously, the misoperation that accident collision causes can also be got rid of.
Description
Technical field
The utility model relates to valve field, and more particularly, it relates to a kind of anti-misoperation formula ball valve.
Background technique
In the pipeline of the various systems such as petroleum refining, chemical industry, metallurgy, often carry the material of high temperature, high pressure and high solid content, ball valve be commonly use connection, unlatching, closedown seal arrangement.Because ball valve open-shut device does not set protection mechanism; people is caused to be that misoperation or accident collision are opened or closes ball valve; as occur on March 11st, 2012 grand celebration cause water pollutions to result in about 1800 family community residents just cannot to commonly use water because the misoperation of employee opens a running water valve together, the consequence that slight misoperation causes cannot be estimated.
In many patents, various technological scheme is proposed for solving an above-mentioned misoperation technical problem, a misoperation for ball valve arranges a locking framework at spanner place mostly, realize the locking of spanner, although first solve spanner to lock fool proof effect, but locking framework increases the volume of ball valve simultaneously, originally the problem of the obstacles such as wall can be encountered when the existence of spanner will cause at ball valve installing space or rotate, secondly spanner is exposed or there is the situation of accident collision, if just lock spanner at last cannot to rotate but the huge simple locking of impact force cannot play real effect in colliding, even little collision still can make spanner have fine rotation.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of anti-misoperation formula ball valve to replace original spanner to make installing space can be more tight, and with fool proof function.
For achieving the above object, the utility model provides following technological scheme:
A kind of anti-misoperation formula ball valve, comprising: the fluid passage of valve body and fluid flow path, open-shut device, is located in valve body for controlling the keying of described ball valve, valve rod, is connected with described open-shut device and controls the action of described open-shut device, described valve rod also comprises: protection mechanism, for controlling the rotation of valve rod, comprise rotary part, fixing part and adjusting portion, connection both described rotary part and fixing part are realized by adjusting portion, describedly fixedly comprise the projection being located at annular wave slideway on valve rod and central protuberance, described rotary part and projection grafting also can rotate around projection, described rotary part just offers some flutings to an end face of annular wave slideway, described some flutings surround the circle corresponding with annular wave slideway, described adjusting portion comprises the first spring being located at some flutings, spin and the second spring, described first spring and spin are fixed, described spin and annular wave slideway abut against, described second spring is located between rotary part and fixing part for supporting rotary part and fixing.
Pass through technique scheme, the protection mechanism arranged replaces original spanner for installing and regulating slot milling, secondly protection mechanism is divided into rotary part, fixing part and adjusting portion, the rotation of rotary part just can must make to drive fixing part to rotate by adjusting portion effect simultaneously, rotary part rotates when not being subject to the downward effect of external force, make the frictional force of spin and annular wave slideway be not enough to drive fixing part to rotate also just to occur skidding because the first spring is not in most compressed state when spin is slided on annular wave slideway, rotary part is just in the rotation of idle work, when external force, to act on rotary part downward, make the first spring be in most compressed state extruding spin and increase the frictional force with annular wave slideway, now rotate rotary part drives fixing part rotation to reach anti-misoperation function by this huge frictional force simultaneously, the misoperation that accident collision causes can also be got rid of.
As preferably, described valve stem casing is provided with bearing, and described bearing is fixed on valve body.
By technique scheme, reduce power during rotation valve rod, can be more laborsaving when regulating valve stem.
As preferably, the circumference of described rotary part offers the groove evenly arranged.
By technique scheme, increase the frictional force of rotating rotary part, prevent from skidding.
Compared with prior art, the advantage of anti-misoperation formula ball valve described in the utility model is: decrease and install and regulate space used, more effectively prevent the existence of misoperation.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model anti-misoperation formula ball valve embodiment;
Fig. 2 is the A portion enlarged view of Fig. 1;
Fig. 3 is the valve rod sectional view of the utility model anti-misoperation formula ball valve embodiment;
Fig. 4 is the B portion enlarged view of Fig. 3.
Description of reference numerals: 1, valve body; 11, fluid passage; 2, valve gap; 3, valve seat; 4, bolt; 5, seal ring; 6, valve rod; 61, filler adapter sleeve; 62, filler; 63, annular wave slideway; 64, rotary part; 65, the first spring; 66, the second spring; 67, projection; 68, draw-in groove; 69, slot; 7, open-shut device; 71, opening; 72, hollow cavity; 8, bearing; 9, spin.
Embodiment
With reference to accompanying drawing, the utility model anti-misoperation formula ball valve embodiment is described in further details.
See Fig. 1, described anti-misoperation formula ball valve comprises outmost valve body 1, valve body 1 comprises valve gap 2 and valve seat 3, valve gap 2 and valve seat 3 fit through some bolts 4 and link together, the fluid passage 11 for fluid flowing is provided with in valve body 1, one of being formed through valve gap 2 and valve seat 3 in fluid passage 11 runs through the passage of valve body 1, valve seat 3 is provided with valve rod 6, valve rod 6 is fixedly connected with open-shut device 7, described open-shut device 7 is set to valve ball, be circumferentially with for airtight and watertight padding 62 in order to improve sealing at valve rod 6, filler 62 is fixed under the effect of filler clamping sleeve 61, filler clamping sleeve 61 is fixed with bearing 8, valve rod 6 matches with bearing 8, open-shut device 7 is located in valve body 1, the two ends of open-shut device 7 are provided with the infiltration that seal ring 5 carrys out anti-fluid, a hollow cavity 72 is offered in open-shut device 7, hollow cavity 72 is connected with fluid passage 11 by the opening 71 arranged.
See Fig. 2 to Fig. 4, described valve rod 6 is provided with protection mechanism, described protection mechanism comprises rotary part 64, fixing part and adjusting portion, fixing part main body is valve rod 6, valve rod 6 is provided with annular wave slideway 63, annular wave slideway 63 forms a closed circle, annular wave slideway 63 comprises the chute surface of undulate, projection 67 is convexly equipped with in annular wave slideway 63 center, projection 67 is arranged with the second spring 66, described rotary part 64 is provided with the draw-in groove 68 plugged with projection 67, rotary part 64 carrys out supplemental support rotary part 64 by the second spring 66 and abuts against with the draw-in groove 68 of rotary part 64, just some flutings 69 are provided with to the end face being provided with annular wave slideway 63 at rotary part 64, the circle that some flutings 69 surround is corresponding with annular wave slideway 63, adjusting portion comprises the spin 9 be located at the first spring 65 in some flutings 69 and the first spring 65 and fixed, spin 9 and annular wave slideway 63 abut against.
Because the frictional force between spin 9 and the chute surface of annular wave slideway 63 is not enough to drive whole valve rod 6 to rotate simultaneously during normal rotation rotary part 64, spin 9 is moved up and down on waveform slideway, when needs unlatching or valve body 1, firmly extrude rotary part 64 downwards, second spring 66 and the first spring 65 are compressed, when firmly to a certain extent time the first spring 65 be in most compressed state now spin 9 and annular wave slideway 63 chute surface between frictional force be wide enough so that the rotation of rotary part 64 is rotated with ovable valve stem 6 simultaneously thus plays the effect controlling open-shut device 7, unclamp under rotary part 64 acts on while the first spring 65 and the second spring 66 and reset.
By above-mentioned setting, be no matter accident collision or forwarded the unlatching that rotary part 64 all can not cause valve body 1 because of carelessness to, instead of that original spanner is more difficult to collide simultaneously, the situation leaving over wall when original rotating spanner is not worried in more space yet and cause can not turn can be reserved, and match with bearing 8 power required when greatly reducing keying on valve rod 6, more efficientlyly reach fool proof effect.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. an anti-misoperation formula ball valve, comprising:
Valve body, comprises the fluid passage of fluid flow path;
Open-shut device, is located in valve body for controlling the keying of described ball valve;
Valve rod, is connected with described open-shut device and controls the action of described open-shut device;
It is characterized in that, described valve rod also comprises:
Protection mechanism, for controlling the rotation of valve rod, comprise rotary part, fixing part and adjusting portion, connection both described rotary part and fixing part are realized by adjusting portion, describedly fixedly comprise the projection being located at annular wave slideway on valve rod and central protuberance, described rotary part and projection grafting also can rotate around projection, described rotary part just offers some flutings to an end face of annular wave slideway, described some flutings surround the circle corresponding with annular wave slideway, described adjusting portion comprises the first spring being located at some flutings, spin and the second spring, described first spring and spin are fixed, described spin and annular wave slideway abut against, described second spring is located between rotary part and fixing part for supporting rotary part and fixing.
2. anti-misoperation formula ball valve according to claim 1, it is characterized in that: described valve stem casing is provided with bearing, described bearing is fixed on valve body.
3. anti-misoperation formula ball valve according to claim 1, is characterized in that: the circumference of described rotary part offers the groove evenly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420819976.7U CN204344983U (en) | 2014-12-22 | 2014-12-22 | Anti-misoperation formula ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420819976.7U CN204344983U (en) | 2014-12-22 | 2014-12-22 | Anti-misoperation formula ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204344983U true CN204344983U (en) | 2015-05-20 |
Family
ID=53228252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420819976.7U Expired - Fee Related CN204344983U (en) | 2014-12-22 | 2014-12-22 | Anti-misoperation formula ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204344983U (en) |
-
2014
- 2014-12-22 CN CN201420819976.7U patent/CN204344983U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20161222 |