CN203176524U - Locking device of valve - Google Patents
Locking device of valve Download PDFInfo
- Publication number
- CN203176524U CN203176524U CN 201320095201 CN201320095201U CN203176524U CN 203176524 U CN203176524 U CN 203176524U CN 201320095201 CN201320095201 CN 201320095201 CN 201320095201 U CN201320095201 U CN 201320095201U CN 203176524 U CN203176524 U CN 203176524U
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- China
- Prior art keywords
- valve
- locking device
- hole
- bearing pin
- penetration hole
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- Expired - Fee Related
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Abstract
The utility model provides a locking device of a valve, and belongs to the technical field of valve components. The locking device of the valve solves the problem that due to the fact that when an existing locking valve is opened, a sealing cap needs to be broken into pieces, waste is caused. According to the locking device of the valve, the valve comprises a valve body and a valve clack, wherein a valve rod is inserted into the valve body. The locking device comprises a pin shaft, the valve rod is provided with a blind hole in the radial direction, the valve body is provided with a penetration hole, the inner wall of the penetration hole is provided with two opposite clamping connection grooves, the pin shaft is provided with a through hole in the radial direction, a strip-shaped plastic piece is inserted in the through hole, and two ends of the plastic piece extend towards the same end of the pin shaft to form elastic clamping connection portions capable of achieving clamping in the clamping connection grooves when the pin shaft is inserted in the penetration hole and the blind hole. The locking device of the valve can effectively lock the valve and is low in cost.
Description
Technical field
The utility model belongs to the valve part technical field, relates to a kind of locking device of valve.
Background technique
Valve is industrial a kind of important fluid control apparatus, and it is all multidisciplinary to relate to national economy, is the development and national economy fundamental equipments.Through the development of decades, China's valve products has formed tens big classes, especially is being sure to occupy prostatitis, the world aspect number of the enterprise and the volume of production and marketing two.
Valve is of a great variety, and gate valve, stop valve, throttle valve, Gauge Valves etc. are arranged.Because the purposes of valve is widely, so its role also is very big.For example: valve can be controlled the running of boiler and steam turbine in the power station; In oil, Chemical Manufacture, valve equally also plays the normal operation of the whole manufacturing mechanisms of control and technological process.The valve that is used for liquid control system, from the simplest stop valve to very complicated robot control system(RCS) used various valves, its kind and specification are quite various.Valve can be used for controlling flowing of all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.
After valve was installed on the pipeline, people are arbitrarily opening and closing normally, but for heating installation company, water utility or the Gas Company, because the user needs charge in use, and when the user is in arrears with expense, valve closing need be prevented that it from continuing to use.At this moment need install a locking device additional at valve.
China's utility application (02217890.2) discloses a kind of control valve, comprise valve body, spool and valve rod in the valve body, the cavity of a cylinder type is arranged at the top of valve body, the outer end of valve rod is positioned at this cavity, have an annular groove on the inner side surface at cavity bead place, the bead of cavity arranges a discoidal capping, the external diameter of capping is slightly less than the internal diameter of cavity bead, the edge of capping also has an illusion groove, a jump ring is positioned at the annular groove of cavity bead and the annular groove at capping edge, and this valve can effectively prevent other people illegal unlatching.But also need to break into pieces capping when opening owing to workman personnel oneself, need reinstall a new capping when locking next time, the cost height of capping, and this will cause waste.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of locking device of valve, and the locking device of this valve is Locked valve effectively, and cost is low.
The purpose of this utility model can realize by following technical proposal: a kind of locking device of valve, described valve comprises valve body and flap, in valve body, be inserted with valve rod, described valve rod is connected mutually with flap, it is characterized in that, described locking device comprises a bearing pin, radially offer a blind hole on the described valve rod, offer a penetration hole relative with blind hole on the valve body, offer two relative buckling grooves on the inwall of described penetration hole, described bearing pin radially offers a through hole, in through hole, be inserted with a bar plastic sheet, flexible clamping portion is extended to the same end of bearing pin in the two ends of described plastic sheet, and when bearing pin was plugged in penetration hole and the blind hole, described inserted part was stuck in the buckling groove.
When valve was in closed condition, the blind hole on the valve rod was connected with penetration hole on the valve body.Bearing pin inserts blind hole and penetration hole, because the effect of bearing pin, valve rod can't rotate, and valve is locked.The inserted part has elasticity, can insert penetration hole together along with bearing pin, and when bearing pin inserted blind hole and penetration hole fully, the inserted part flicked and snaps in the buckling groove to both sides.This moment be if will extract bearing pin by force, and the inserted part will be fractureed and irrecoverable, and this will locked personnel finds that it has opened valve by force.And after the locking personnel open by force, only need to change this plastic sheet can reuse this bearing pin, save user cost.
In the locking device of above-mentioned valve, described buckling groove have one with axial vertical cell wall and the skew wall of bearing pin, described vertical cell wall is relative with valve rod, described skew wall is relative with vertical cell wall.When the inserted part snapped in buckling groove, the end of inserted part leant with vertical cell wall, in order to prevent that bearing pin from being extracted by force.
In the locking device of above-mentioned valve, the diameter of described penetration hole equals pin diameter and two inserted part thickness sums.Make bearing pin can be with plastic sheet and inserted part to insert together.
In the locking device of above-mentioned valve, described through hole is a rectangular opening.The rectangular shape of the cross section of plastic sheet, the through hole of this rectangle plays fixation to plastic sheet.
In the locking device of above-mentioned valve, the thickness of described inserted part and the consistency of thickness of plastic sheet.The inserted part need be passed through hole earlier and can be contained on the bearing pin.
In the locking device of above-mentioned valve, an end end of described bearing pin is fixed with a draw ring.Make things convenient for extracting of bearing pin.
Compared with prior art, the locking device of this valve has the following advantages:
1, because when bearing pin inserts blind hole and penetration hole fully, the inserted part flicks and snaps in to both sides in the buckling groove, extracts bearing pin by force, and the inserted part will be fractureed and irrecoverable, so has lock function, can antitheftly open.
And
2, owing to after the locking personnel open by force, only needs to change this plastic sheet and can reuse this bearing pin, so user cost is low.
3, because an end end of bearing pin is fixed with a draw ring, so the use of bearing pin is simple, convenient.
Description of drawings
Fig. 1 is the structure sectional view of the locking device of valve.
Fig. 2 is the structure enlarged view at A place among Fig. 1.
Fig. 3 be bearing pin the structure sectional view.
Among the figure, 1, valve body; 11, penetration hole; 12, buckling groove; 121, skew wall; 2, flap; 3, valve rod; 31, blind hole; 4, bearing pin; 41, through hole; 42, draw ring; 5, plastic sheet; 51, inserted part.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1 and Figure 2, a kind of locking device of valve, valve comprise valve body 1 and flap 2, are inserted with valve rod 3 in valve body 1, and valve rod 3 is connected mutually with flap 2.Locking device comprises a bearing pin 4, and bearing pin 4 radially offers a through hole 41, is inserted with a bar plastic sheet 5 in through hole 41.Radially offer a blind hole 31 on the valve rod 3, offer a penetration hole 11 on the valve body 1, when valve is in closed condition, blind hole 31 on the valve rod 3 is connected with penetration hole 11 on the valve body 1, bearing pin 4 inserts blind hole 31 and penetration hole 11, because the effect of bearing pin 4, valve rod 3 can't rotate, and valve is locked.Offer two relative buckling grooves 12 on the inwall of penetration hole 11, flexible inserted part 51 is extended to the same end of bearing pin 4 in the two ends of plastic sheet 5, when bearing pin 4 is plugged in penetration hole 11 and the blind hole 31, inserted part 51 can snap in buckling groove 12, this moment is if will extract bearing pin 4 by force, inserted part 51 will be fractureed and be irrecoverable, and this will locked personnel finds that it has opened valve by force.And after the locking personnel open by force, only need to change this plastic sheet 5 can reuse this bearing pin 4, save user cost.
Specifically, in conjunction with shown in Figure 3, buckling groove 12 have one with axial vertical cell wall and the skew walls 121 of bearing pin 4, vertical cell wall is relative with valve rod 3, skew wall 121 is relative with vertical cell wall, when inserted part 51 snapped in buckling groove, the end of inserted part 51 leant with vertical cell wall, in order to prevent that bearing pin 4 from being extracted by force.In order to make bearing pin 4 can be with plastic sheet 5 and inserted part 51 to insert together, the diameter of penetration hole 11 equals bearing pin 4 diameters and two inserted parts, 51 thickness sums.Because the rectangular shape of cross section of plastic sheet 5, for plastic sheet 5 is played fixation, through hole 41 is offered orthogonal hole.Inserted part 51 need be passed through hole 41 earlier and can be contained on the bearing pin 4, so the consistency of thickness of the thickness of inserted part 51 and plastic sheet 5.One end end of bearing pin 4 is fixed with a draw ring 42, to make things convenient for extracting of bearing pin.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as valve body 1, penetration hole 11, buckling groove 12, skew wall 121, flap 2, valve rod 3, blind hole 31, bearing pin 4, through hole 41, draw ring 42, plastic sheet 5, inserted part 51 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (6)
1. the locking device of a valve, described valve comprises valve body (1) and flap (2), in valve body (1), be inserted with valve rod (3), described valve rod (3) is connected mutually with flap (2), it is characterized in that, described locking device comprises a bearing pin (4), radially offer a blind hole (31) on the described valve rod (3), offer a penetration hole (11) relative with blind hole (31) on the valve body (1), offer two relative buckling grooves (12) on the inwall of described penetration hole (11), described bearing pin (4) radially offers a through hole (41), in through hole (41), be inserted with a bar plastic sheet (5), flexible clamping portion (51) is extended to the same end of bearing pin (4) in the two ends of described plastic sheet (5), when bearing pin (4) was plugged in penetration hole (11) and the blind hole (31), described inserted part (51) were stuck in the buckling groove (12).
2. the locking device of valve according to claim 1, it is characterized in that, described buckling groove (12) have one with axial vertical cell wall and the skew wall (121) of bearing pin, described vertical cell wall is relative with valve rod, described skew wall (121) is relative with vertical cell wall.
3. the locking device of valve according to claim 2 is characterized in that, the diameter of described penetration hole (11) equals bearing pin (4) diameter and two inserted parts (51) thickness sum.
4. the locking device of valve according to claim 3 is characterized in that, described through hole (41) is a rectangular opening.
5. according to the locking device of claim 3 or 4 described valves, it is characterized in that the consistency of thickness of the thickness of described inserted part (51) and plastic sheet (5).
6. the locking device of valve according to claim 5 is characterized in that, an end end of described bearing pin (4) is fixed with a draw ring (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320095201 CN203176524U (en) | 2013-03-02 | 2013-03-02 | Locking device of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320095201 CN203176524U (en) | 2013-03-02 | 2013-03-02 | Locking device of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203176524U true CN203176524U (en) | 2013-09-04 |
Family
ID=49073220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320095201 Expired - Fee Related CN203176524U (en) | 2013-03-02 | 2013-03-02 | Locking device of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203176524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035871A (en) * | 2017-05-26 | 2017-08-11 | 扬中市第蝶阀厂有限公司 | A kind of double-channel butterfly valve |
| CN112119246A (en) * | 2018-03-15 | 2020-12-22 | 奥维科雅控股有限公司 | Butterfly valve, method for rotatably locking butterfly plate of butterfly valve and application of butterfly valve |
-
2013
- 2013-03-02 CN CN 201320095201 patent/CN203176524U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035871A (en) * | 2017-05-26 | 2017-08-11 | 扬中市第蝶阀厂有限公司 | A kind of double-channel butterfly valve |
| CN112119246A (en) * | 2018-03-15 | 2020-12-22 | 奥维科雅控股有限公司 | Butterfly valve, method for rotatably locking butterfly plate of butterfly valve and application of butterfly valve |
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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: 20130904 Termination date: 20140302 |