CN2299194Y - Ball check - Google Patents
Ball check Download PDFInfo
- Publication number
- CN2299194Y CN2299194Y CN 97212870 CN97212870U CN2299194Y CN 2299194 Y CN2299194 Y CN 2299194Y CN 97212870 CN97212870 CN 97212870 CN 97212870 U CN97212870 U CN 97212870U CN 2299194 Y CN2299194 Y CN 2299194Y
- Authority
- CN
- China
- Prior art keywords
- valve
- spheroid
- rod
- utility
- model
- 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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- Lift Valve (AREA)
Abstract
The utility model relates to a ball valve, which comprises a valve body, a valve cover, a valve rod, and a sphere. The utility model is characterized in that the lower part of the valve rod is provided with an eccentric rod, and the middle part is provided with a transition oblique rod; the top part of the sphere is provided with a through hole for the valve rod, the bottom of the sphere is hinged with the valve body, the upper part of the valve rod a guide slot whose upper end forms an axial linear type and lower part forms a screw type of 90 DEG, and the valve cover is provided with a convex block corresponding to the guide slot. The utility model can be opened and closed under the condition that the sphere and the valve body of the utility model does not has abrasion, and the sealing performance of the ball valve can be better as compared with the prior art. The utility model is a ball valve having the advantages of good use performance and long service life.
Description
The utility model relates to a kind of ball valve.
Existing ball valve comprise the switching of valve body, valve gap, valve rod and the middle spheroid that is provided with through hole, valve be directly by valve rod drive spheroid rotate the through hole that makes spheroid over against or the entery and delivery port that departs from valve body realize.But the valve body and the wearing and tearing between the spheroid of this ball valve are very serious, service time of a specified duration after can influence sealability between valve body and the spheroid, so using effect is undesirable, working life is short.
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art, and the ball valve that does not have wearing and tearing between a kind of valve body and the spheroid is provided.
The utility model comprises valve body, valve gap, valve rod and the middle spheroid that is provided with through hole, its technical solution is that eccentric rod is arranged in the bottom of valve rod, intermediate portion is arranged to the transition brace, simultaneously be provided with stem through-hole at the top of spheroid, valve rod is positioned at stem through-hole, the bottom and the valve body of spheroid are hinged, are provided with the upper end on the top of valve rod and are the guiding groove of 90 ° screw type, and have on valve gap and the corresponding projection of guiding groove for axial straight line type, lower end.
Further technical solution of the present utility model is provided with elastic sealing ring at the position of valve body correspondence simultaneously for be provided with elastic seal ring at the position of spheroid closed valve, is provided with compensation mechanism in the rear end of elastic sealing ring.
Owing to taked above-mentioned technical solution, spheroid of the present utility model and valve body can be described as to be realized opening and closing under the condition of not having wearing and tearing, sealability between spheroid and the valve body is also better than prior art simultaneously, we can say that the utility model is that a kind of usability is good, the ball valve of long service life.
Further illustrate particular content of the present utility model below in conjunction with drawings and Examples.
Accompanying drawing is a structural representation of the present utility model.
The utility model comprises valve body 1, valve gap 2, valve rod 3 and the middle spheroid 4 that is provided with through hole, the bottom of valve rod 3 is an eccentric rod 5, water intake one side that valve 1 is being departed from its position, the intermediate portion of valve rod 8 is a transition brace 6, simultaneously be provided with stem through-hole 7 at the top of spheroid 4, the bottom of spheroid 4 and valve body 1 are hinged, realize hinged by a small ball in the present embodiment, be provided with the upper end on the top of valve rod 3 and be axial straight line type, the lower end is the guiding groove 8 of 90 ° screw type, and on valve gap 2, be provided with and guiding groove 8 corresponding projections 9, projection in the present embodiment is a pair of holding down bolt, position at spheroid 4 closed valves 1 is provided with elastic seal ring 10, simultaneously be provided with elastic sealing ring 11 at the position of valve body 1 correspondence, be provided with compensation mechanism 12 in the rear end of elastic sealing ring 11, the compensation mechanism in the present embodiment is a pair of inner nut.
When valve was in closed condition, spheroid was pressed on by the transition brace on the water intake of valve body by stem through-hole, and elastic seal ring abuts against on the elastic sealing ring, has sealed the water intake of valve body.During Open valve, earlier the direction of valve rod along the guiding groove straight section is pulled upwardly, because the bottom and the valve body of spheroid are hinged, the transition brace moves back spheroid by the stem through-hole of spheroid upper end to a rear flank of departing from the valve inleting water mouth, elastic seal ring separates with elastic sealing ring, makes eccentric rod be positioned at the through hole of spheroid upper end simultaneously; This moment, eccentric rod made the spheroid half-twist by the stem through-hole of spheroid upper end again with the spiral part half-twist of valve rod along guiding groove, made the middle through hole of spheroid make the valve complete opening over against the water intake of valve body.Throttle down only needs to do one time according to opposite program.
Claims (2)
1, a kind of ball valve, comprise valve body, valve gap, valve rod and the middle spheroid that is provided with through hole, it is characterized in that: the bottom of valve rod (3) is eccentric rod (5), intermediate portion is transition brace (6), simultaneously be provided with stem through-hole (7) at the top of spheroid (4), the bottom of spheroid (4) and valve body (1) are hinged, and being provided with the upper end is the guiding groove (8) of 90 ° screw type on the top of valve rod (3) for axial straight line type, lower end, and has on valve gap (2) and the corresponding projection of guiding groove (8) (9).
2, ball valve according to claim 1, it is characterized in that: be provided with elastic seal ring (10) at the position of spheroid (4) closed valve (1), be provided with elastic sealing ring (11) at the corresponding position of valve body (1) simultaneously, be provided with compensation mechanism (12) in the rear end of elastic sealing ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97212870 CN2299194Y (en) | 1997-03-21 | 1997-03-21 | Ball check |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97212870 CN2299194Y (en) | 1997-03-21 | 1997-03-21 | Ball check |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2299194Y true CN2299194Y (en) | 1998-12-02 |
Family
ID=33930844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97212870 Expired - Fee Related CN2299194Y (en) | 1997-03-21 | 1997-03-21 | Ball check |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2299194Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378384C (en) * | 2002-10-23 | 2008-04-02 | 温州市瓯斯特阀门有限公司 | Pneumatic telescopic cock |
-
1997
- 1997-03-21 CN CN 97212870 patent/CN2299194Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378384C (en) * | 2002-10-23 | 2008-04-02 | 温州市瓯斯特阀门有限公司 | Pneumatic telescopic cock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |