CN204677799U - A kind of ball valve - Google Patents
A kind of ball valve Download PDFInfo
- Publication number
- CN204677799U CN204677799U CN201520230967.9U CN201520230967U CN204677799U CN 204677799 U CN204677799 U CN 204677799U CN 201520230967 U CN201520230967 U CN 201520230967U CN 204677799 U CN204677799 U CN 204677799U
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- CN
- China
- Prior art keywords
- valve seat
- valve
- spheroid
- sealing
- hole
- 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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Abstract
The utility model discloses a kind of ball valve, comprise valve body, spheroid, valve seat, valve rod and handle, fluid through-hole is provided with between the entrance of valve body and outlet, spheroid is arranged on the stage casing of valve body fluid through hole, and spheroid rotates within the scope of the quadrant of valve rod axis in off position and between opening state; Be provided with removable seal between described spheroid and valve seat, be linear sealing between described Sealing and spheroid, the bottom of described Sealing is placed on valve seat, and can move with valve seat; Described valve seat connects a valve seat cover, described valve seat cover is movably arranged in fluid through-hole, and for regulating the position of valve seat.The utility model Sealing position is adjustable and replaceable, and valve seat is also adjustable, such that the sealing of ball valve is strong, the life-span improves greatly.
Description
Technical field
The utility model relates to valve class device field, particularly a kind of ball valve.
Background technique
At present, ball valve is mainly used to make the flow direction cutting off, distribute and change medium in pipeline; Ball valve is little with fluid resistance, structure is simple, the sealing surface of spheroid and valve seat and medium are isolated, passage flat smooth, not easily deposition medium, and be not only applicable to general work medium, but also be applicable to the severe medium of operating conditions, be widely used in each fields such as oil, chemical industry, generating, papermaking, atomic power, aviation, rocket, and in people's daily life.
Shown in Figure 1, existing ball valve generally comprises valve body 10, spheroid 20, valve seat, valve rod 40 and handle, fluid through-hole 50 is provided with between the entrance of valve body and outlet, spheroid is arranged on the stage casing of valve body fluid through hole, and spheroid rotates within the scope of the quadrant of valve rod axis in off position and between opening state; Gap is there is between Sealing and spheroid, generally sealed by Sealing 60 between spheroid and valve seat, Sealing is what be fixedly installed, and cannot change, the face that is sealed into sealing now between spheroid and Sealing, when after spheroid displacement, Sealing displacement or sealing part abrasion, ball seal position easily comes off, be shifted, cause malfunctioning switch phenomenon; Now due to the Sealing that cannot regulate the position of Sealing and more renew, then valve seal is easily caused to reduce and shortening in working life.
Model utility content
The technical problems to be solved in the utility model is to provide that a kind of sealing is high, the ball valve of long service life.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of ball valve, comprise valve body, spheroid, valve seat, valve rod and handle, be provided with fluid through-hole between the entrance of valve body and outlet, spheroid is arranged on the stage casing of valve body fluid through hole, and spheroid rotates within the scope of the quadrant of valve rod axis in off position and between opening state; Leave gap between described spheroid and valve seat, be provided with removable seal in described gap, be linear sealing between described Sealing and spheroid, the bottom of described Sealing is placed on valve seat, and can move with valve seat; Described valve seat connects a valve seat cover, described valve seat cover is movably arranged in fluid through-hole, and for regulating the position of valve seat.
In an embodiment of the present utility model, described Sealing is graphite seal.
In an embodiment of the present utility model, be bolted between described valve seat cover and valve seat.
In an embodiment of the present utility model, be not the connected inwall of one end of described valve seat cover and valve seat is provided with draw-in groove or tapped hole.
By technique scheme, the beneficial effects of the utility model are:
Sealing position-adjustable in the utility model, and replaceable, which raises sealing and the working life of ball valve; Adjustable valve seat moves for being with dynamic seal, makes Sealing be pressed on ball seal face place all the time, improves sealability.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing ball valve;
Fig. 2 is the structural representation of the utility model ball valve;
Numeral and the corresponding part title represented by letter in figure:
10, valve body 20, spheroid 30, valve seat 40, valve rod 50, fluid through-hole 60, Sealing 70, valve seat cover 80, bolt.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
Shown in Figure 2, the utility model discloses a kind of ball valve, comprise valve body 10, spheroid 20, valve seat 30, valve rod 40 and handle, valve rod 40 is connected with spheroid 20, and handle rotates for being with ovable valve stem 40; Be provided with fluid through-hole 50 between the entrance of valve body 10 and outlet, spheroid 20 is arranged on the stage casing of valve body fluid through hole 50, and spheroid 20 rotates within the scope of the quadrant of valve rod axis in off position and between opening state; Valve body 10 is once-through structure, which ensure that the mechanical property of bulk material.
Generally all gap is there is between spheroid 20 and valve seat 30, in order to seal the gap between spheroid and valve seat, be provided with removable seal 60 in gap, Sealing 60 is graphite seal, certainly it also can be the Sealing of other well known materials, does not add herein and repeats; Be linear sealing, i.e. dot encapsulation between Sealing 60 and spheroid 20, its good sealing effect; The bottom of Sealing is placed on valve seat 30, and can move with valve seat, and valve seat 30 inwardly motion makes Sealing 60 firmly be pressed on spheroid, thus reaches better sealing effect; Connect a valve seat cover 70 respectively at the two ends of valve seat 30, valve seat cover 70 is movably arranged on the inwall of fluid through-hole, and valve seat cover 70 can be used for regulating the position of valve seat 30; When after sealing part abrasion, it can adopt two kinds of ways to improve sealing; One is arrive sealing effect by changing Sealing; Two is make valve seat promotion Sealing press spheroid by modulating valve cover for seat to arrive sealing effect.
Valve seat cover 70 and valve seat 30 are arranged with tapped hole, and valve seat cover is connected by bolt 80 with between valve seat, its good stability.
Valve seat cover and valve seat be not connected one end inwall on be provided with draw-in groove or tapped hole (not shown in FIG.), when valve seat cover promotes valve seat motion, need the workpiece of outside to be snapped onto the draw-in groove on valve seat cover inwall or tapped hole, workpiece promotes the motion of valve seat cover, valve seat cover promotes valve seat and moves, valve seat pushes sealing to spheroid, thus arrives the effect of sealing; Valve seat and valve seat also can be changed after being enclosed within serious wear.
The open and close of the utility model ball valve resets, not bite, flexible movements, non-internal leakage in using process, leak, respond well; Center deflection is there is not, center excursD, good reliability, fault-free in transmission process; Valve improves working life greatly, and sealability can be regulated by adjustment valve seat.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a ball valve, comprise valve body, spheroid, valve seat, valve rod and handle, be provided with fluid through-hole between the entrance of valve body and outlet, spheroid is arranged on the stage casing of valve body fluid through hole, and spheroid rotates within the scope of the quadrant of valve rod axis in off position and between opening state; It is characterized in that: leave gap between described spheroid and valve seat, be provided with removable seal in described gap, be linear sealing between described Sealing and spheroid, the bottom of described Sealing is placed on valve seat, and can move with valve seat; Described valve seat connects a valve seat cover, described valve seat cover is movably arranged in fluid through-hole, and for regulating the position of valve seat.
2. a kind of ball valve according to claim 1, is characterized in that: described Sealing is graphite seal.
3. a kind of ball valve according to claim 1, is characterized in that: be bolted between described valve seat cover and valve seat.
4. a kind of ball valve according to claim 1, is characterized in that: be not the connected inwall of one end of described valve seat cover and valve seat is provided with draw-in groove or tapped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230967.9U CN204677799U (en) | 2015-04-16 | 2015-04-16 | A kind of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230967.9U CN204677799U (en) | 2015-04-16 | 2015-04-16 | A kind of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677799U true CN204677799U (en) | 2015-09-30 |
Family
ID=54177492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520230967.9U Expired - Fee Related CN204677799U (en) | 2015-04-16 | 2015-04-16 | A kind of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204677799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003677A (en) * | 2015-04-16 | 2015-10-28 | 上海联科阀门成套设备有限公司 | Ball valve |
-
2015
- 2015-04-16 CN CN201520230967.9U patent/CN204677799U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003677A (en) * | 2015-04-16 | 2015-10-28 | 上海联科阀门成套设备有限公司 | Ball valve |
| CN105003677B (en) * | 2015-04-16 | 2018-10-26 | 上海联科阀门成套设备有限公司 | 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20190416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |