CN204493782U - A kind of one-way operation anti-misoperation ball valve - Google Patents
A kind of one-way operation anti-misoperation ball valve Download PDFInfo
- Publication number
- CN204493782U CN204493782U CN201520149353.8U CN201520149353U CN204493782U CN 204493782 U CN204493782 U CN 204493782U CN 201520149353 U CN201520149353 U CN 201520149353U CN 204493782 U CN204493782 U CN 204493782U
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- CN
- China
- Prior art keywords
- push rod
- valve
- rod
- valve body
- gear
- 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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- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model discloses a kind of one-way operation anti-misoperation ball valve, comprise valve body, spool, valve rod, described spool is arranged in valve body, described valve rod is connected with spool through valve body, described valve rod is arranged with gear, and shown valve body is equipped with push rod, and described push rod is through valve body and gears meshing, and one end of push rod and Gear Contact is provided with the inclined-plane of limiting gear sense of rotation, described push rod is provided with the changement changing bevel direction.Control changement, changed in the direction on push rod inclined-plane, the direction that just valve rod can be made to rotate also changes.So just can be switched to closed condition from opening state, or be transformed into opening state from closed condition.Make ball valve to carrying out one-way operation, thus effectively control the generation of misoperation.
Description
Technical field
The utility model relates to a kind of valve, and more particularly, it relates to a kind of one-way operation anti-misoperation ball valve.
Background technique
Ball valve makes open-shut device with the spheroid with circular channel, and spheroid rotates the valve realizing switching motion with valve rod.The open-shut device of ball valve is a porose spheroid, rotates around the axis perpendicular to passage, thus reaches the object opening and closing passage.
At present, application number on market is that the Chinese patent of CN201310245110.X discloses a kind of ball valve, comprise valve body, spherical flap is provided with in valve body, flap is connected with valve rod, valve rod extend out to the containment portion of valve body, body top is provided with the valve gap coordinated with valve rod, the valve seat with flap interference fit is provided with in valve body, valve interior wall is provided with fluoroplastics lining, valve interior wall offers several lining fixed groove, flap outer wall is also provided with fluoroplastics lining, this invention is by increasing fluoroplastics lining at valve interior wall and flap outer wall, effectively can prevent the corrosion phenomenon of valve interior wall and flap, extend working life of the present invention, at valve gap and valve body, sealing material and several pieces ring arcuation seal rings overlaped are filled with in cooperation space between flap three, improve the seal of the present invention in hyperbaric environment.
But ball valve is two-way in use, can open and can close, and only need very little power just can change its flow even on off state.Therefore, be easy in actual use misoperation occurs.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is the fool proof ball valve providing a kind of one-way operation.
For achieving the above object, the utility model provides following technological scheme:
A kind of one-way operation anti-misoperation ball valve, comprise valve body, spool, valve rod, described spool is arranged in valve body, described valve rod is connected with spool through valve body, it is characterized in that: described valve rod is arranged with gear, shown valve body is equipped with push rod, and described push rod is through valve body and gears meshing, and one end of push rod and Gear Contact is provided with the inclined-plane of limiting gear sense of rotation, described push rod is provided with the changement changing bevel direction.
By adopting technique scheme, in ball valve using process, by rotary valve rod, the valve core rotation thus the opening and closing of control valve that valve rod are driven be arranged in valve body.And in the utility model, when valve rod rotates, gear sheathed on valve rod also can rotate, gear is arranged on valve rod, and the push rod on valve body engages with the between cog of gear, the one side of push rod is provided with inclined-plane, and gear can only rotate along the carrying out on this inclined-plane.Material is thus formed a unidirectional toothing.Make the direction back to inclined-plane, the restriction that gear is subject to push rod cannot rotate.Thus, the sense of rotation of the valve rod of just restriction, can only realize the single direction rotation of valve rod, is merely able to open, or is merely able to close, and prevents and its misoperation is closed in the on-state, or descend misoperation to be opened in off position.
Meanwhile, when needs replacing state, only need to control changement, changed in the direction on push rod inclined-plane, the direction that just valve rod can be made to rotate also changes.So just can be switched to closed condition from opening state, or be transformed into opening state from closed condition.Make ball valve to carrying out one-way operation, thus effectively control the generation of misoperation.
The utility model is set to further: described changement comprises spring, limiting stopper, sleeve pipe is provided with in described valve body, described sleeve pipe is provided with cavity, one end of described push rod is arranged on and is positioned at cavity, the other end passes outside cavity, described limiting stopper is arranged on push rod, and is positioned at cavity, described spring be arranged on limiting stopper and sleeve pipe it.One end outside described push rod opposing cavities is provided with knob.
By adopting technique scheme, when needing to commutate to the inclined-plane of push rod, only need to pull knob, by pulling knob, push rod is pulled out between the teeth of gear, rotate knob afterwards, push rod is also rotated thereupon, thus changes the true dip direction on push rod inclined-plane, make the state switching ball valve unlatching or close.Unclamp knob, owing to being provided with spring between the limiting stopper on push rod and sleeve pipe, when pulling out push rod, spring is in compressive state, after unclamping knob, the spring of compressive state has a restoring force, under the effect of restoring force, push rod and knob is made again towards gear movement, to make push rod again form a unidirectional toothing to gear.Said process just completes a complete commutation process.
The utility model is set to further: one end of the relative knob of described sleeve pipe is provided with through hole, described knob is provided with the positioning rod for inserting through hole.
By adopting technique scheme, by being arranged on positioning rod on knob and being arranged on the cooperation of the through hole on sleeve pipe, can to the push rod of commutation its to a position-limiting action, the inclined-plane on push rod can be commutated exactly.
Accompanying drawing explanation
Fig. 1 is the integrated machine composition of a kind of one-way operation anti-misoperation of the utility model ball valve embodiment;
Fig. 2 is the internal view of a kind of one-way operation anti-misoperation of the utility model ball valve embodiment;
Fig. 3 is the valve body sectional view of a kind of one-way operation anti-misoperation of the utility model ball valve embodiment.
Reference character: 1, valve body; 2, spool; 3, valve rod; 4, gear; 5, mounting blocks; 6, sleeve pipe; 7, push rod; 8, inclined-plane; 9, spring; 10, knob; 11, limiting stopper; 12, cavity; 13, through hole; 14, positioning rod.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of one-way operation anti-misoperation of the utility model ball valve embodiment is described further.
A kind of one-way operation anti-misoperation ball valve, comprise valve body 1, spool 2, valve rod 3, described spool 2 is arranged in valve body 1, described valve rod 3 is connected with spool 2 through valve body 1, one end outside the relative valve body 1 of described valve rod 3 is arranged with gear 4, described valve body 1 is provided with the mounting blocks 5 for installing gear 4, described mounting blocks 5 is provided with sleeve pipe 6, in described sleeve pipe 6, push rod 7 is set, described push rod 7 is conflicted through sleeve pipe 6 and gear 4, and one end that push rod 7 and gear 4 are conflicted is provided with the inclined-plane 8 of control gear 4 sense of rotation, described push rod 7 is provided with the changement changing direction, inclined-plane 8.
Described changement comprises spring 9, knob 10, limiting stopper 11, in described sleeve pipe 6, one end of mounting hole is provided with cavity 12, described limiting stopper 11 is arranged on push rod 7, and be positioned at cavity 12, described spring 9 is arranged between limiting stopper 11 and sleeve pipe 6, and described knob 10 is arranged on one end that push rod 7 stretches out sleeve pipe 6.
One end of the relative knob 10 of described sleeve pipe 6 is provided with through hole 13, described knob 10 is provided with the positioning rod 14 for inserting through hole 13.
Working principle is as follows: in ball valve using process, by rotary valve rod 3, makes valve rod 3 drive the spool 2 be arranged in valve body 1 to rotate thus the opening and closing of control valve.And in the utility model, when valve rod 3 rotates, gear 4 sheathed on valve rod 3 also can rotate, gear 4 is arranged on mounting blocks 5, and the push rod 7 on mounting blocks 5 in sleeve pipe 6 is conflicted with gear 4, the one side of push rod 7 is provided with inclined-plane 8, and gear 4 can only rotate along the carrying out on this inclined-plane 8.Material is thus formed a unidirectional toothing.Make the direction back to inclined-plane 8, the restriction that gear 4 is subject to push rod 7 cannot rotate.Thus, the sense of rotation of the valve rod 3 of just restriction, can only realize the single direction rotation of valve rod 3, is merely able to open, or is merely able to close, and prevents and its misoperation is closed in the on-state, or descend misoperation to be opened in off position.
Meanwhile, when needs replacing state, only need to control changement, changed in the direction on push rod 7 inclined-plane 8, the direction that just valve rod 3 can be made to rotate also changes.So just can be switched to closed condition from opening state, or be transformed into opening state from closed condition.Make ball valve to carrying out one-way operation, thus effectively control the generation of misoperation.
When needing to commutate to the inclined-plane 8 of push rod 7, only need to pull knob 10, by pulling knob 10, push rod 7 is pulled out between the teeth of gear 4, rotate knob 10 afterwards, push rod 7 is also rotated thereupon, thus change the true dip direction on push rod 7 inclined-plane 8, make the state switching ball valve unlatching or close.Unclamp knob 10, owing to being provided with spring 9 between the limiting stopper 11 on push rod 7 and sleeve pipe 6, when pulling out push rod 7, spring 9 is in compressive state, after unclamping knob 10, the spring 9 of compressive state has a restoring force, under the effect of restoring force, push rod 7 and knob 10 can be moved towards gear 4 again, make push rod 7 pairs of gears 4 again form a unidirectional toothing.Said process just completes a complete commutation process.
By being arranged on positioning rod on knob 10 14 and being arranged on the cooperation of the through hole 13 on sleeve pipe 6, can to the push rod 7 of commutation its to a position-limiting action, the inclined-plane 8 on push rod 7 can be commutated exactly.
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 (4)
1. an one-way operation anti-misoperation ball valve, comprise valve body, spool, valve rod, described spool is arranged in valve body, described valve rod is connected with spool through valve body, it is characterized in that: described valve rod is arranged with gear, shown valve body is equipped with push rod, and described push rod is through valve body and gears meshing, and one end of push rod and Gear Contact is provided with the inclined-plane of limiting gear sense of rotation, described push rod is provided with the changement changing bevel direction.
2. a kind of one-way operation anti-misoperation ball valve according to claim 1, it is characterized in that: described changement comprises spring, limiting stopper, sleeve pipe is provided with in described valve body, described sleeve pipe is provided with cavity, one end of described push rod is arranged on and is positioned at cavity, and the other end passes outside cavity, and described limiting stopper is arranged on push rod, and be positioned at cavity, described spring be arranged on limiting stopper and sleeve pipe it.
3. a kind of one-way operation anti-misoperation ball valve according to claim 2, is characterized in that: the one end outside described push rod opposing cavities is provided with knob.
4. a kind of one-way operation anti-misoperation ball valve according to claim 2, is characterized in that: one end of the relative knob of described sleeve pipe is provided with through hole, described knob being provided with the positioning rod for inserting through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149353.8U CN204493782U (en) | 2015-03-17 | 2015-03-17 | A kind of one-way operation anti-misoperation ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149353.8U CN204493782U (en) | 2015-03-17 | 2015-03-17 | A kind of one-way operation anti-misoperation ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493782U true CN204493782U (en) | 2015-07-22 |
Family
ID=53573101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520149353.8U Expired - Fee Related CN204493782U (en) | 2015-03-17 | 2015-03-17 | A kind of one-way operation anti-misoperation ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204493782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109790933A (en) * | 2016-09-27 | 2019-05-21 | 株式会社电装 | Valve gear |
| CN111359162A (en) * | 2020-03-27 | 2020-07-03 | 延安大学 | Leg pressing device for dance and using method thereof |
-
2015
- 2015-03-17 CN CN201520149353.8U patent/CN204493782U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109790933A (en) * | 2016-09-27 | 2019-05-21 | 株式会社电装 | Valve gear |
| CN111359162A (en) * | 2020-03-27 | 2020-07-03 | 延安大学 | Leg pressing device for dance and using method thereof |
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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: 20150722 Termination date: 20170317 |