CN203395245U - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN203395245U CN203395245U CN201320509228.4U CN201320509228U CN203395245U CN 203395245 U CN203395245 U CN 203395245U CN 201320509228 U CN201320509228 U CN 201320509228U CN 203395245 U CN203395245 U CN 203395245U
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- China
- Prior art keywords
- valve
- valve body
- opening
- ball
- steel ball
- 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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- Valve Housings (AREA)
Abstract
The utility model discloses a ball valve, which belongs to the field of a valve, and solves the problems that an existing copper ball valve is high in processing difficulty and high in total cost. The ball valve comprises a valve body, a switch control mechanism, and a steel ball with a medium channel, wherein the steel ball is arranged inside a valve cavity inside the valve body; the switch control mechanism comprises a switch shell, and a valve rod inside an inner cavity of the switch shell; the valve body is of a split component-based structure, and comprises a stainless steel valve body tube and two stainless steel half-valve bodies; reducing sections of which the diameters are gradually reduced are arranged at two ends of the valve body tube; the half-valve bodies are provided with valve holes, and separately arranged at two ends of the valve body tube; the valve body tube is welded with the outer surfaces of the half-valve bodies, so that the valve cavity is formed inside the valve body tube; the steel ball is arranged between the two half-valve bodies; two opening sections of the medium channel in the steel ball are opposite to the valve holes on the two half-valve bodies; an opening is formed in the valve body tube; the switch shell is arranged on the opening; an inner cavity of the switch shell is communicated with the valve cavity through the opening; the front end of the valve rod is connected with the steel ball after passing through the opening. The material cost and the manufacturing cost of the ball valve are reduced.
Description
Technical field
The utility model belongs to valve field, especially relevant with a kind of ball valve.
Background technique
Conventional ball valve structure mainly comprises copper valve body, in valve body, establish valve pocket, the valve opening as medium input output is offered respectively in valve body both sides, two valve opening center lines, arrange steel ball point-blank in valve pocket, through hole is set on steel ball, while opening, through hole two-port is communicated with valve opening corresponding matching respectively, make medium channel become straight-through type, while closing, steel ball rotation through hole two-port and valve opening stagger; Valve body arranges opening, switching control mechanism is installed on opening, switching control mechanism comprises and is fixed on the hollow switch housing in valve body openings aperture and is arranged at switch housing inner chamber for driving the valve rod of steel ball rotation, switch housing inner chamber is communicated with valve pocket by opening, and valve rod leading portion is connected with steel ball through opening; Valve body adopts copper material integral form, first manufacture integral workblank, reprocess out valve opening and opening, on valve opening, weld copper pipe, floatless switch shell on opening, the processing of switch housing processed blind hole before this as the inner chamber of accommodating valve rod, then at blind hole bottom processing through hole, it is more difficult that such processing mode adds man-hour in blind hole, and processing cost is high; And because copper material price comparison is expensive, make the overall high expensive of ball valve.
Model utility content
The purpose of this utility model is intended to overcome that existing copper ball valve difficulty of processing is high, the problem of overall high expensive, provides a kind of cost relatively low ball valve.
For this reason, the utility model is by the following technical solutions: a kind of ball valve, comprise valve body, switching control mechanism and be provided with the steel ball of medium channel, steel ball is arranged in the valve pocket in valve body, switching control mechanism comprises switch housing, and is arranged at switch housing inner chamber for driving the valve rod of steel ball rotation, it is characterized in that: described valve body is split modular structure, comprise stainless steel body pipe and two stainless steel half valve bodies, valve body tube two ends are formed with the diminishing choke of diameter; Half valve body is provided with valve opening, and two and half valve bodies are divided into valve body tube two ends, and valve body tube and the welding of half valve outer surface make the inner formation of valve body tube valve pocket; Described steel ball is arranged between two and half valve bodies, and the medium channel two ends oral area on steel ball is relative with the valve opening on two and half valve bodies; In described valve body tube, opening is set, described switch housing is installed on opening, switch housing inner chamber is communicated with valve pocket by opening, and valve rod front end is connected with steel ball through opening.
As to technique scheme supplement and perfect, the utility model also comprises following technical characteristics.
Described switch housing is hollow round tubular, and switch housing one end is installed with end cap, and end cap center is provided with stem through-hole, and valve rod is located in switch housing hollow cavity, and valve rod hypomere, through described stem through-hole, arranges seal ring between valve rod and switch housing internal chamber wall.
Described stem through-hole shape basis is circular hole, two relative projections are set on circular hole, make hole wall project into approximate 8-shaped, described valve rod hypomere arranges two parallel spacing planes, valve rod hypomere is through stem through-hole, by described two spacing planes to protruding both sides against, restriction valve rod angle of swing.
The orifice end of the adjacent side of the valve opening of described half valve body and steel ball arranges sealing ring pad, seals the space between half valve body and steel ball, and while guaranteeing that ball valve is opened normal circulation medium, medium can not flow into valve pocket.
Further, on the inner aperture inwall of the adjacent side of the valve opening of described half valve body and steel ball, be provided with annular groove, for accommodating sealing ring pad.
One section in half described valve outer surface is set to conical surface, forms smooth transition be connected with described valve body tube two ends outer surface, makes valve outer surface attractive in appearance.
Described half valve body valve opening outer end orifice diameter increases to form takes over mounting groove, takes in mounting groove plug-in mounting and is welded with as copper tube or Stainless Steel Tube or the nickel plating steel pipe taken over.
Use the utility model can reach following beneficial effect: the utility model adopts stainless steel pipe and stainless steel half valve body to form split groupware type valve body, makes manufacture relatively easy, has reduced cost of material and manufacture cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of switching control mechanism.
Fig. 3 is the structural representation of end cap.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
As shown in FIG. 1 to 3, the utility model comprises valve body, switching control mechanism and is provided with the steel ball 5 of medium channel, switching control mechanism comprises switch housing 1, with the valve rod 8 that is arranged at switch housing inner chamber, switch housing 1 is hollow round tubular, switch housing one end is installed with end cap 10, end cap center is provided with stem through-hole, stem through-hole shape basis is circular hole, two relative projections 11 are set on circular hole, make hole wall project into approximate 8-shaped, valve rod 8 is located in switch housing hollow cavity, valve rod hypomere arranges two parallel spacing planes, and valve rod hypomere, through stem through-hole, arranges seal ring 9 between valve rod 8 and switch housing internal chamber wall, valve body is split modular structure, comprise stainless steel body pipe 2 and two stainless steel half valve bodies 3, valve body tube 2 two ends are formed with the diminishing choke of diameter, half valve body 3 is provided with valve opening, two and half valve bodies 3 are divided into valve body tube 2 two ends, valve body tube 2 and the welding of half valve outer surface, make the inner formation of valve body tube valve pocket, one section in half valve outer surface is set to conical surface, forming smooth transition with valve body tube two ends outer surface is connected, half valve body valve opening outer end orifice diameter increases to form takes over mounting groove 6, take in mounting groove 6 plug-in mounting and be welded with as copper tube or Stainless Steel Tube or the nickel plating steel pipe taken over, steel ball 5 is arranged between two and half valve bodies 3, medium channel two ends oral area on steel ball 5 is relative with the valve opening on two and half valve bodies 3, the orifice end of the valve opening of half valve body 3 side adjacent with steel ball 5 arranges annular groove 7, the interior sealing ring pad 4 that arranges of annular groove 7, seal the space between half valve body 3 and steel ball 5, while guaranteeing that ball valve is opened normal circulation medium, medium can not flow into valve pocket, in valve body tube 2, opening is set, described switch housing 1 is installed on opening, switch housing inner chamber is communicated with valve pocket by opening, and valve rod front end is connected with steel ball 5 through opening.
Claims (7)
1. a ball valve, comprise valve body, switching control mechanism and be provided with the steel ball (5) of medium channel, steel ball (5) is arranged in the valve pocket in valve body, switching control mechanism comprises switch housing (1), with the valve rod (8) that is arranged at switch housing inner chamber, it is characterized in that: described valve body is split modular structure, comprise stainless steel body pipe (2) and two stainless steel half valve bodies (3), valve body tube (2) two ends are formed with the diminishing choke of diameter; Half valve body (3) is provided with valve opening, and two and half valve bodies (3) are divided into valve body tube (2) two ends, and valve body tube (2) and the welding of half valve body (3) outer surface make the inner formation of valve body tube valve pocket; Described steel ball (5) is arranged between two and half valve bodies (3), and the medium channel two ends oral area on steel ball (5) is relative with the valve opening on two and half valve bodies (3); Described valve body tube arranges opening on (2), and described switch housing (1) is installed on opening, and switch housing inner chamber is communicated with valve pocket by opening, and valve rod front end is connected with steel ball (5) through opening.
2. a kind of ball valve according to claim 1, it is characterized in that: described switch housing (1) is hollow round tubular, switch housing one end is installed with end cap (10), end cap center is provided with stem through-hole, valve rod (8) is located in switch housing hollow cavity, valve rod hypomere, through described stem through-hole, arranges seal ring (9) between valve rod (8) and switch housing internal chamber wall.
3. a kind of ball valve according to claim 2, it is characterized in that: described stem through-hole shape basis is circular hole, relative two projections (11) are set on circular hole, make hole wall project into approximate 8-shaped, described valve rod hypomere arranges two parallel spacing planes, and valve rod hypomere is through stem through-hole.
4. according to a kind of ball valve described in claim 1 or 3, it is characterized in that: the orifice end of the valve opening of described half valve body (3) and the adjacent side of steel ball (5) arranges sealing ring pad (4).
5. a kind of ball valve according to claim 4, is characterized in that: on the inner aperture inwall of the valve opening of described half valve body (3) and the adjacent side of steel ball (5), be provided with annular groove (7).
6. a kind of ball valve according to claim 5, is characterized in that: one section in half described valve outer surface is set to conical surface, forms smooth transition be connected with described valve body tube (2) two ends outer surface.
7. a kind of ball valve according to claim 6, it is characterized in that: half described valve body valve opening outer end orifice diameter increases to form takes over mounting groove (6), takes over the middle plug-in mounting of mounting groove (6) and is welded with as copper tube or Stainless Steel Tube or the nickel plating steel pipe taken over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509228.4U CN203395245U (en) | 2013-08-20 | 2013-08-20 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509228.4U CN203395245U (en) | 2013-08-20 | 2013-08-20 | Ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203395245U true CN203395245U (en) | 2014-01-15 |
Family
ID=49906778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320509228.4U Expired - Fee Related CN203395245U (en) | 2013-08-20 | 2013-08-20 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203395245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534119A (en) * | 2014-12-26 | 2015-04-22 | 王火生 | Decontamination type welded ball valve |
-
2013
- 2013-08-20 CN CN201320509228.4U patent/CN203395245U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534119A (en) * | 2014-12-26 | 2015-04-22 | 王火生 | Decontamination type welded 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: 20140115 Termination date: 20150820 |
|
| EXPY | Termination of patent right or utility model |