CN203363262U - Limiting structure of valve rod in valve - Google Patents
Limiting structure of valve rod in valve Download PDFInfo
- Publication number
- CN203363262U CN203363262U CN 201320407125 CN201320407125U CN203363262U CN 203363262 U CN203363262 U CN 203363262U CN 201320407125 CN201320407125 CN 201320407125 CN 201320407125 U CN201320407125 U CN 201320407125U CN 203363262 U CN203363262 U CN 203363262U
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- China
- Prior art keywords
- valve
- valve rod
- fixed base
- banking stop
- valve body
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- 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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Abstract
The utility model provides a limiting structure of a valve rod in a valve, and belongs to the technical field of machinery. The limiting structure solves the problems that an existing limiting structure of a valve rod in a valve is big in machining difficulty, and once limiting portions are abraded, the whole valve is scrapped and is short in service life. The limiting structure of the valve rod in the valve is located between the valve rod and the valve body, and comprises a plate-shaped fixing seat and a limiting piece; through sleeve holes are formed in the middle of the fixing seat and the middle of the limiting piece respectively, and the valve rod is sleeved with the fixing seat and the limiting piece; the fixing seat is fixedly connected to the valve body; the limiting piece is located between the fixing seat and the valve body and is fixedly connected with the periphery of the valve rod; a limiting head capable of abutting against the fixing seat after rotating along with the valve rod is arranged on the limiting piece. The limiting structure of the valve rod in the valve is simple in structure and high in stability.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the limit structure of valve rod in a kind of valve, particularly valve.
Background technique
Ball valve is a kind of fast open form valve, as long as just can realize its unlatching or close by half-twist, uses extensively.And most of ball valves no matter be manual tune or its spacing parts of motorized adjustment be all exposed outside, this will cause artificial random switch or regular switch, and long-time outside exposed, regular random switch and exposed its accuracy that all can make outside descend, and cause valve can not realize real switching fully.
Its publication No. of Chinese patent CN102287569A provides a kind of " the H valve with valve stem spacing structure ", and it comprises the valve body that is provided with valve stem casing, and the valve stem casing planar end surface is extended with a diameter shrinkage part to center; The valve rod coordinated with valve stem casing, the upper-end surface of valve rod intermediate portion contacts with the diameter shrinkage part lower end surface of valve stem casing, rotatable as to be fixed in the valve stem casing mesopore, at the diameter shrinkage part of valve stem casing, to center, is extended with limit part; Have the rotating block coordinated with limit part on the upper-end surface of valve rod, the rotating block maximum outside diameter is less than the diameter shrinkage part inside diameter and is greater than the limit part inside diameter.
Realize the valve rod rotary stopper by the structure of improving valve stem casing and valve rod in the valve of above-mentioned patent, compact structure practicality and cost are low, can directly feed back rotating closed position when rotated.But, because the limit part of valve stem casing is and the valve stem casing integral structure, so not only difficulty of processing is larger, once and after limit part wearing and tearing whole valve can only scrap, the life-span is shorter.
Existing other ball valve also all exists similar problem.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for prior art, and the limit structure of valve rod in a kind of simple in structure, valve that stability is high is provided.
The purpose of this utility model can realize by following technical proposal: the limit structure of valve rod in a kind of valve, this structure is between valve rod and valve body, it is characterized in that, it comprises fixed base and the banking stop that is tabular, above-mentioned fixed base and banking stop middle part all has the trepanning that runs through and fixed base and banking stop and all is enclosed within on valve rod, described fixed base is connected on valve body, described banking stop between fixed base and valve body and banking stop and valve rod circumferentially be connected, have on described banking stop after it rotates with valve rod and can be resisted against the spacing head on fixed base.
Have the valve of this limit structure in use, the degree of rotation of valve rod is limited.That is to say, valve rod can only rotate in the stroke range of setting.
Between fixed base and valve body, be not exposed to the valve body outside due to banking stop, whole valve beautiful shape, compact structure.In addition, valve rod and banking stop are circumferentially fixing, can make valve rod drive smoothly banking stop and rotate, and just can reach the purpose of restriction valve rod degree of rotation after the spacing head of the banking stop after rotating on it is resisted against fixed base.
In above-mentioned valve, in the limit structure of valve rod, described fixed base is connected on valve body by fastening piece.Fastening piece is screw, by fastening piece, can firmly fixed base and valve body be linked together.Certainly, according to actual conditions, fastening piece is that latch is also feasible.
In above-mentioned valve in the limit structure of valve rod, the quantity of described fastening piece is two and symmetrical fixed base two edges that are arranged at.
By two fastening pieces, can make fixed base and valve body firmly link together.
In above-mentioned valve, in the limit structure of valve rod, described fixed base bottom has the stopper of protrusion, and above-mentioned spacing head can be resisted against on stopper.
When spacing head does not contact with stopper, banking stop can rotate along with valve rod free.Once spacing head contacts with stopper, just can realize spacing.
In above-mentioned valve in the limit structure of valve rod, described spacing crown quantity is two and is symmetricly set in banking stop two edges, and the quantity of described stopper is two and is symmetricly set in the fixed base bottom.
When such structure makes it spacing, two stoppers stopper corresponding with it respectively contact, and spacing stability is high.
In above-mentioned valve, in the limit structure of valve rod, on described banking stop, trepanning is square, and has the joint that the trepanning with banking stop is complementary on described valve rod, and above-mentioned banking stop is enclosed within the joint place.
By cross section, be that square structure circumferentially is fixed together banking stop and valve rod.
In the limit structure of valve rod, between described valve rod and valve body, there is seal ring in above-mentioned valve.
Improve the sealing between valve rod and valve body by seal ring.
In the limit structure of valve rod, have recessed connecting base on described valve body in above-mentioned valve, above-mentioned fixed seating is mutually concordant with the valve body outside in the connecting base place and outside fixed base.
Obviously, fixed base and banking stop all are positioned at valve body, whole valve beautiful shape, compact structure.
Compared with prior art, in this valve, the limit structure of valve rod all is positioned at valve body due to fixed base and banking stop, and limit structure can not be exposed to the valve body outside, and what valve in use can not only be stable is spacing to it, and beautiful shape, compact structure.
Simultaneously, be positioned at the inner limit structure of valve body and avoided limit structure to be subject to extraneous the damage, its stability is further improved.
In addition, be positioned at its compact structure of limit structure of valve body, occupy little space, there is higher use value.
The accompanying drawing explanation
Fig. 1 is the perspective view of valve with limit structure of this valve rod.
Fig. 2 is the sectional structure schematic diagram of valve with limit structure of this valve rod.
Fig. 3 is the perspective view of the limit structure of valve rod in this valve.
Fig. 4 be valve rod in this valve limit structure look up structural representation.
In figure, 1, valve body; 1a, connecting base; 2, fixed base; 2a, trepanning; 2b, stopper; 3, banking stop; 3a, trepanning; 3b, spacing head; 4, valve rod; 5, fastening piece; 6, seal ring.
Embodiment
As shown in Figure 1, valve comprises that inside is the valve body 1 of cavity, has spool in valve body, and valve rod 4 the inners are positioned at valve body 1 and link with spool, and valve body 1 is stretched out in valve rod 4 outer ends, usually in valve rod 4 outer ends, has angle stroke final controlling element.
In this valve, the limit structure of valve rod is between valve rod 4 and valve body 1, and it comprises fixed base 2 and the banking stop 3 that is tabular.
Fixed base 2 middle parts have the trepanning 2a run through, and banking stop 3 middle parts also have the trepanning 3a run through, and fixed base 2 and banking stop 3 all are enclosed within on valve rod 4.Fixed base 2 is connected on valve body 1 by two symmetrically arranged fastening pieces 5, banking stop 3 between fixed base 2 and valve body 1 and banking stop 3 with valve rod 4, circumferentially be connected.In the present embodiment, fastening piece 5 symmetries be arranged at 2 liang of edges of fixed base.
Fixed base 2 bottoms have the stopper 2b of protrusion, have spacing 3b of protrusion on banking stop 3, and the quantity of spacing 3b is two, two edges that are arranged on banking stop 3 of two spacing 3b symmetries.The quantity of stopper 2b be also two and their symmetries be arranged on fixed base 2 bottoms.
On banking stop 3, trepanning 3a is square, and has the joint that the trepanning 3a with banking stop 3 is complementary on valve rod 4, and banking stop 3 is enclosed within the joint place.In the present embodiment, have recessed connecting base 1a on valve body 1, fixed base 2 is positioned at connecting base 1a place, and fixed base 2 outsides are mutually concordant with valve body 1 outside.
In addition, in order to improve the sealing between valve rod 4 and valve body 1, between valve rod 4 and valve body 1, there is seal ring 6.
Because banking stop 3 and valve rod 4 circumferentially are fixed together.Drive banking stop 3 in valve rod 4 rotation processes and together rotate, fixed base 2 is fixed certainly.When spacing 3b on banking stop 3 do not contact with the stopper 2b of fixed base 2, banking stop 3 can freely rotate, and that is to say that valve rod 4 can freely rotate.Once spacing 3b is with after stopper 2b contacts, banking stop 3b just can not be rotated further again.Certainly, banking stop 3b is with after stopper 2b contacts, and valve is full cut-off.After rotating backward, spacing 3b of another one is with after another one stopper 2b contacts, and valve is standard-sized sheet.
Claims (8)
1. the limit structure of valve rod in a valve, this structure is positioned between valve rod (4) and valve body (1), it is characterized in that, it comprises fixed base (2) and the banking stop (3) that is tabular, above-mentioned fixed base (2) and banking stop (3) middle part all has the trepanning (3a) that runs through and fixed base (2) and banking stop (3) and all is enclosed within on valve rod (4), described fixed base (2) is connected on valve body (1), described banking stop (3) is positioned between fixed base (2) and valve body (1) and banking stop (3) circumferentially is connected with valve rod (4), have on described banking stop (3) after it rotates with valve rod (4) and can be resisted against the spacing head (3b) on fixed base (2).
2. the limit structure of valve rod in valve according to claim 1, is characterized in that, described fixed base (2) is connected on valve body (1) by fastening piece (5).
3. the limit structure of valve rod in valve according to claim 2, is characterized in that, the quantity of described fastening piece (5) is two and symmetrical fixed base (2) two edges that are arranged at.
4. according to the limit structure of valve rod in claim 1 or 2 or 3 described valves, it is characterized in that, described fixed base (2) bottom has the stopper (2b) of protrusion, and above-mentioned spacing head (3b) can be resisted against on stopper (2b).
5. the limit structure of valve rod in valve according to claim 4, it is characterized in that, the quantity of described spacing head (3b) is two and is symmetricly set in banking stop (3) two edges, and the quantity of described stopper (2b) is two and is symmetricly set in fixed base (2) bottom.
6. according to the limit structure of valve rod in claim 1 or 2 or 3 described valves, it is characterized in that, the upper trepanning (3a) of described banking stop (3) is square, have the joint that the trepanning (3a) with banking stop (3) is complementary on described valve rod (4), above-mentioned banking stop (3) is enclosed within the joint place.
7. according to the limit structure of valve rod in claim 1 or 2 or 3 described valves, it is characterized in that, between described valve rod (4) and valve body (1), there is seal ring (6).
8. according to the limit structure of valve rod in claim 1 or 2 or 3 described valves, it is characterized in that, there is recessed connecting base (1a) on described valve body (1), above-mentioned fixed base (2) be positioned at that connecting base (1a) is located and fixed base (2) outside with mutually concordant outside valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320407125 CN203363262U (en) | 2013-07-09 | 2013-07-09 | Limiting structure of valve rod in valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320407125 CN203363262U (en) | 2013-07-09 | 2013-07-09 | Limiting structure of valve rod in valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203363262U true CN203363262U (en) | 2013-12-25 |
Family
ID=49811026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320407125 Expired - Fee Related CN203363262U (en) | 2013-07-09 | 2013-07-09 | Limiting structure of valve rod in valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203363262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458126A (en) * | 2018-02-05 | 2018-08-28 | 黄晓峰 | A kind of ball valve |
-
2013
- 2013-07-09 CN CN 201320407125 patent/CN203363262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458126A (en) * | 2018-02-05 | 2018-08-28 | 黄晓峰 | A kind of ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: VOLDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Free format text: FORMER OWNER: ZHUO DANCHUN Effective date: 20140403 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317608 TAIZHOU, ZHEJIANG PROVINCE TO: 223900 SUQIAN, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140403 Address after: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388 Patentee after: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Address before: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu town Xuanmen industrial city Zhejiang world HVAC technology Co Ltd Patentee before: Zhuo Danchun |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170213 Address after: Jiangdong Road Jianye District of Nanjing City, Jiangsu province 210019 C Wanda Center No. 108 Room 501 Patentee after: Jiangsu Wo Hui Industrial Technology Group Limited Address before: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388 Patentee before: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20180709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |