CN203384408U - Stainless steel ball valve - Google Patents
Stainless steel ball valve Download PDFInfo
- Publication number
- CN203384408U CN203384408U CN201320509478.8U CN201320509478U CN203384408U CN 203384408 U CN203384408 U CN 203384408U CN 201320509478 U CN201320509478 U CN 201320509478U CN 203384408 U CN203384408 U CN 203384408U
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- steel ball
- valve
- valve body
- opening
- stainless steel
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Abstract
The utility model relates to a stainless steel ball valve and belongs to the field of valves. An existing copper ball valve is high in machining difficulty and high in total cost. The stainless steel ball valve comprises a valve body, a switch control mechanism and a steel ball provided with a medium channel. The switch control mechanism comprises a switch shell and a valve rod arranged in an inner cavity of the switch shell. The valve body is of a split assembly type structure and comprises a stainless steel valve body tube, two steel ball seats and two stainless steel valve body sleeves. The two ends of the valve body tube are respectively provided with an opening shrinking portion with the diameter gradually reduced. A valve hole is formed in each steel ball seat. Each steel ball seat is sleeved with one valve body sleeve. The steel ball seats are arranged at the two ends of the valve body tube respectively. The valve body tube is welded to the outer surfaces of the valve body sleeves. The steel ball is arranged between the two steel ball seats and the opening portions at the two ends of the channel of the steel ball are opposite to the valve holes in the two steel ball seats. An opening is formed in the valve body tube, the switch shell is installed on the opening, the inner cavity of the switch shell is communicated with a valve cavity through the opening, and the valve rod penetrates through the opening and is connected with the steel ball. According to the stainless steel ball valve, the material cost and the manufacturing cost are reduced.
Description
Technical field
The utility model belongs to valve field, especially relevant with a kind of Stainless Steel Ball Valve.
Background technique
The conventional ball valve structure mainly comprises copper valve body, establish valve pocket in valve body, the valve opening as the medium input output is offered respectively in the 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, the through hole two-port is communicated with the 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 the hollow switch housing that is fixed in valve body openings and is arranged at the switch housing inner chamber for driving the valve rod of steel ball rotation, and the switch housing inner chamber is communicated with valve pocket by opening, and the valve rod leading portion passes opening and is connected with steel ball; Valve body adopts the copper material integral form, first manufacture integral workblank, reprocess out valve opening and opening, weld copper pipe on valve opening, floatless switch shell on opening, the processing of switch housing processed the inner chamber of blind hole as accommodating valve rod before this, 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 the copper material price comparison is expensive, make the overall high expensive of ball valve.
The 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 Stainless Steel Ball Valve.
For this reason, the utility model is by the following technical solutions: a kind of Stainless Steel 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, with be arranged at the switch housing inner chamber for driving the valve rod of steel ball rotation, it is characterized in that: described valve body is the split modular structure, comprise stainless steel body pipe, two steel ball seats and two stainless steel body covers, the valve body tube two ends are formed with the diminishing choke of diameter; The steel ball seat is provided with valve opening, and valve body cover fixed cover is loaded on steel ball seat outside, and two steel ball seats are divided into the valve body tube two ends, and valve body tube and the welding of valve body cover outer surface, make the inner formation of valve body tube valve pocket; Described steel ball is arranged between two steel ball seats, and the medium channel two ends oral area on steel ball is relative with the valve opening on two steel ball seats; On described valve body tube, opening is set, described switch housing is installed on opening, the switch housing inner chamber is communicated with valve pocket by opening, and the 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 the end cap center is provided with stem through-hole, and valve rod is located in the switch housing hollow cavity, and the 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, the valve rod hypomere is through stem through-hole, by described two spacing planes to protruding both sides against, the restriction valve rod angle of swing.
The orifice end of the adjacent side of the valve opening of described steel ball seat and steel ball arranges sealing ring pad, the space between sealing steel ball seat and steel ball, and while guaranteeing that ball valve is opened normal circulation medium, medium can not flow into valve pocket.
Further, be provided with annular groove on the orifice end inwall of the adjacent side of the valve opening of described steel ball seat and steel ball, for accommodating sealing ring pad.
The integrally formed outward flanging of opening on described valve body tube, form Transverse plane outwardly, being welded and fixed between Convenient switch shell and valve body tube at opening, and be to operate in the plane during welding, easy to operate, be conducive to improve welding quality and crator outward appearance, scolding tin can not enter valve pocket yet.
Described switch housing outer surface is provided with the ladder end face, with the Transverse plane on opening, coordinates, and improves welding quality.
One section in described valve body cover outer surface is set to conical surface, forms smooth transition with described valve body tube two ends outer surface and is connected, and makes valve outer surface attractive in appearance.
Described steel ball seat plating nickel on surface, the antiseptic effect of raising steel ball seat.
Described valve body cover outer end stretches out in the exterior edge face of described steel ball seat, and valve body cover outer end internal diameter is greater than the diameter of described valve opening, and valve body cover outer end inner chamber plug-in mounting also 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: to adopt stainless steel pipe and steel ball seat to form split groupware type valve body, make to manufacture relative simple, reduced cost of material and manufacture cost.
The 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.
Fig. 4 is a place partial enlarged drawing in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
As shown in Figure 1 to 4, the utility model comprises valve body, switching control mechanism and is provided with the steel ball 7 of medium channel, switching control mechanism comprises switch housing 1, with be arranged at the switch housing inner chamber for driving the valve rod 8 of steel ball 7 rotation, switch housing 1 is hollow round tubular, switch housing one end is installed with end cap 10, the 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 the switch housing hollow cavity, the valve rod hypomere arranges two parallel spacing planes, and the valve rod hypomere, through stem through-hole, arranges seal ring 9 between valve rod 8 and switch housing internal chamber wall, valve body is the split modular structure, comprises stainless steel body pipe 2, two steel ball seats 4 and two stainless steel bodies cover 3, and valve body tube 2 two ends are formed with the diminishing choke of diameter, steel ball seat 4 is provided with valve opening, valve body overlaps 3 fixed covers and is loaded on steel ball seat outside, steel ball seat plating nickel on surface, improve the antiseptic effect of steel ball seat 4, one section in valve body cover outer surface is set to conical surface, forming smooth transition with described valve body tube two ends outer surface is connected, two steel ball seats 4 are divided into valve body tube 2 two ends, valve body tube 2 and the welding of valve body cover outer surface, make the inner formation of valve body tube valve pocket, valve body cover outer end stretches out in the exterior edge face of described steel ball seat 4, valve body cover outer end internal diameter is greater than the diameter of described valve opening, valve body cover outer end inner chamber plug-in mounting also is welded with as the copper tube of taking over, steel ball 7 is arranged between two steel ball seats 4, medium channel two ends oral area on steel ball 7 is relative with the valve opening on two steel ball seats 4, the orifice end of the valve opening of steel ball seat 4 side adjacent with steel ball 7 arranges annular groove 6, the interior sealing ring pad 5 that arranges of annular groove 6, space between sealing steel ball seat 4 and steel ball 7, while guaranteeing that ball valve is opened normal circulation medium, medium can not flow into valve pocket, on described valve body tube 2, opening is set, the integrally formed outward flanging of opening, form Transverse plane 13 outwardly at opening, switch housing 1 is installed on opening, and the switch housing outer surface is provided with ladder end face 12, with portareapiston 13, coordinates, and the switch housing inner chamber is communicated with valve pocket by opening, and the valve rod front end is connected with steel ball 7 through opening.
Claims (10)
1. a Stainless Steel Ball Valve, comprise valve body, switching control mechanism and be provided with the steel ball (7) of medium channel, steel ball (7) is arranged in the valve pocket in valve body, switching control mechanism comprises switch housing (1), with the valve rod that is arranged at the switch housing inner chamber (8), it is characterized in that: described valve body is the split modular structure, comprises stainless steel body pipe (2), two steel ball seats (4) and two stainless steel body covers (3), and valve body tube (2) two ends are formed with the diminishing choke of diameter; Two steel ball seats (4) are provided with valve opening, and valve body cover (3) fixed cover is loaded on steel ball seat outside, and two two steel ball seats (4) are divided into valve body tube (2) two ends, and valve body tube (2) and the welding of valve body cover outer surface, make the inner formation of valve body tube valve pocket; Described steel ball (7) is arranged between two two steel ball seats (4), and the medium channel two ends oral area on steel ball (7) is relative with the valve opening on two two steel ball seats (4); Described valve body tube arranges opening on (2), and described switch housing (1) is installed on opening, and the switch housing inner chamber is communicated with valve pocket by opening, and the valve rod front end is connected with steel ball (7) through opening.
2. a kind of Stainless Steel 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), the end cap center is provided with stem through-hole, valve rod (8) is located in the switch housing hollow cavity, the 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 Stainless Steel 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 the valve rod hypomere is through stem through-hole.
4. according to the described a kind of Stainless Steel Ball Valve of claim 1 or 3, it is characterized in that: the orifice end of the valve opening of described two steel ball seats (4) and the adjacent side of steel ball (7) arranges sealing ring pad (5).
5. a kind of Stainless Steel Ball Valve according to claim 4, is characterized in that: on the orifice end inwall of the valve opening of described two steel ball seats (4) and the adjacent side of steel ball (7), be provided with annular groove (6).
6. a kind of Stainless Steel Ball Valve according to claim 5 is characterized in that: the integrally formed outward flanging of the opening on described valve body tube forms Transverse plane (13) outwardly at opening.
7. a kind of Stainless Steel Ball Valve according to claim 6, it is characterized in that: described switch housing outer surface is provided with ladder end face (12), with the Transverse plane (13) on opening, coordinates.
8. a kind of Stainless Steel Ball Valve according to claim 7 is characterized in that: one section in described valve body cover outer surface is set to conical surface, forms smooth transition with described valve body tube two ends outer surface and be connected.
9. according to the described a kind of Stainless Steel Ball Valve of claim 1 or 8, it is characterized in that: described steel ball seat plating nickel on surface.
10. a kind of Stainless Steel Ball Valve according to claim 9, it is characterized in that: described valve body cover outer end stretches out in the exterior edge face of described two steel ball seats (4), valve body cover outer end internal diameter is greater than the diameter of described valve opening, and valve body cover outer end inner chamber plug-in mounting also 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 |
|---|---|---|---|
| CN201320509478.8U CN203384408U (en) | 2013-08-20 | 2013-08-20 | Stainless steel ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509478.8U CN203384408U (en) | 2013-08-20 | 2013-08-20 | Stainless steel ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203384408U true CN203384408U (en) | 2014-01-08 |
Family
ID=49872902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320509478.8U Expired - Fee Related CN203384408U (en) | 2013-08-20 | 2013-08-20 | Stainless steel ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203384408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735941A (en) * | 2018-07-18 | 2020-01-31 | 浙江三花制冷集团有限公司 | control valve and manufacturing method thereof |
-
2013
- 2013-08-20 CN CN201320509478.8U patent/CN203384408U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735941A (en) * | 2018-07-18 | 2020-01-31 | 浙江三花制冷集团有限公司 | control valve and manufacturing method thereof |
| CN110735941B (en) * | 2018-07-18 | 2022-04-12 | 浙江三花制冷集团有限公司 | Control valve and manufacturing method thereof |
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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: 20140108 Termination date: 20150820 |
|
| EXPY | Termination of patent right or utility model |