CN2611700Y - Gas switching valve - Google Patents
Gas switching valve Download PDFInfo
- Publication number
- CN2611700Y CN2611700Y CN 03226217 CN03226217U CN2611700Y CN 2611700 Y CN2611700 Y CN 2611700Y CN 03226217 CN03226217 CN 03226217 CN 03226217 U CN03226217 U CN 03226217U CN 2611700 Y CN2611700 Y CN 2611700Y
- Authority
- CN
- China
- Prior art keywords
- valve
- cone
- valve body
- tapered sleeve
- switch valve
- 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 - Lifetime
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Abstract
A fire gas switch valve belongs to switch valve technological field. The utility model is to solve the technical problems that how to provide a fire gas switch valve with well tightness and long performance life. Wherefore, middle of the valve body is provided with a taper hole which is tightly matched with a breather-holed taper sleeve in the taper hole. A locating and caging device is provided between the taper sleeve and the taper body to realize automatic start or stop of the fire gas switch valve. The utility model could be widely used in fire gas pipes to control the start or stop of the gas supply for any fire gas appliance.
Description
Technical field
The utility model relates to the switch valve technical field, particularly a kind of burnt gas switch valve.
Background technique
Existing a kind of burnt gas switch valve, as shown in Figure 1, handle 16 is fastened on the valve rod 14 by screw 17, handle with sleeve 16, drive valve rod 14 and allow the spheroid 12 that is contained in the valve body 11 rotate the keying that can realize combustion gas, its sealing is to lean on the compressive strain of sealing gasket 13, seal ring 15 to realize.This class switch valve has the following disadvantages: if the keying number of times of air valve is more, sealing gasket 13, seal ring 15 wear and tear easily, and the sealing position is loosening, leaks air easily, and working life is not long.
Summary of the invention
The technical problems to be solved in the utility model provides the burnt gas switch valve of a kind of good airproof performance, long service life.
The technical solution that the utility model proposed is such: a kind of burnt gas switch valve, comprise that both sides are provided with the valve body 21 of air inlet nozzle and outlet nozzle, handle 29, described valve body 21 middle parts are provided with taper hole 211, drive fit is equipped with the tapered sleeve 22 of band vent 222 in this taper hole 211, cooperate the cone 23 that band vent 232 is housed in this tapered sleeve 22, be provided with spacing positioning device between described tapered sleeve 22 and the cone 23.Described spacing positioning device comprises limited ring 27, valve rod 26, spring 25, jump ring 28, be provided with the vertical locating slot 212 of two symmetries in valve body 21 middle and upper parts, its top is provided with annular groove 215, tapered sleeve 22 is stuck in the locating slot 212 by positioning convex strip 221, valve rod 26 bottoms are connected by the shank 233 of square hole 262 with cone 23, be placed with spring washer 24 in cone 23 upper-end surfaces, between this spring washer 24 and the limited ring 27 spring 25 is housed, limited ring 27 tops are provided with jump ring 28, this jump ring 28 embeds in the annular groove 215, limited ring 27 is stuck in the locating slot 212 of valve body 21 by both sides positioning table 271, valve rod 26 bottoms are provided with limit dais 263, positive stop lug boss 272 with limited ring 27 underparts, slip surface 273 is done spacing cooperation, and handle 29 is fixed on valve rod 26 tops.
Compared with prior art, the utlity model has following beneficial effect: because the slipper seal position is to adopt conical seal (contact) face, when sealing surface trace wearing and tearing are arranged and occur loosening after, under the elastic force effect, the sealing position can closely contact all the time, guarantee the reliability of sealing, thereby prolonged working life widely.The source of the gas that the utility model can be widely used in the gas pipeline various gas appliances carries out break-make control.
Description of drawings
Fig. 1 is existing a kind of burnt gas switch valve arrangement schematic representation.
Fig. 2 is an embodiment's of the utility model a structural representation.
Fig. 3 a, 3b are the topology views of valve body (21) shown in Figure 2.
Fig. 4 a, 4b, 4c are the topology views of sealing tapered sleeve shown in Figure 2 (22).
Fig. 5 a, 5b, 5c are the topology views of seal cones shown in Figure 2 (23).
Fig. 6 a, 6b, 6c are the topology views of valve rod shown in Figure 2 (26).
Fig. 7 a, 7b, 7c are the topology views of limited ring shown in Figure 2 (27).
Fig. 8 is handle shown in Figure 2 (a 29) structure sectional view.
Embodiment
By following embodiment the utility model is further elaborated.
Referring to shown in Figure 2, a kind of switch gas valve is made of valve body 21, sealing tapered sleeve 22, seal cones 23, spring pad 24, spring 25, valve rod 26, limited ring 27, jump ring 28, handle 29, screw 30;
Shown in Fig. 3 a～3c, valve body 21 is a three-way body, and an end is provided with inlet hole 213, the other end sets out pore 214, and the middle part is provided with taper hole 211, locating slot 212, annular groove 215.
Shown in Fig. 4 a～4c, sealing tapered sleeve 22 is provided with two positioning convex strips 221, vent 222, male cone (strobilus masculinus) 223, inner conical surface 224, and positioning convex strip 221 is stuck in the locating slot 212.Sealing tapered sleeve 22 is contained in the taper hole 211 in the drive fit mode, and the inner hole surface 211 on male cone (strobilus masculinus) 223 and the valve body 21 closely cooperates.
Shown in Fig. 5 a～5c, seal cones 23 is provided with male cone (strobilus masculinus) 231, through hole 232, shank 233; Seal cones 23 is located in the sealing tapered sleeve 22, and its male cone (strobilus masculinus) 231 matches with inner conical surface 224.
As Fig. 6 a～6c, Fig. 8, shown in Figure 2, valve rod 26 side's of being provided with handles 261, square hole 262, limit dais 263, slip surface 2631, screw 264; Side's handle 261 inserts in the endoporus 291 of handle 29, is screwed in the screw 264 with screw 30 handle 29 and valve rod 26 are connected as a single entity, and square hole 262 is enclosed within on the shank 233 of cone 23.
As Fig. 7 a～7c, shown in Figure 2, limited ring 27 is provided with positioning key 271, positive stop lug boss 272, slip surface 273, groove 274.After assembling, the slip surface 2631 on the valve rod 26 can revolve between two positive stop lug boss 272 and turn 90 degrees, to realize the keying of combustion gas; After limit dais 263 slipped into groove 274, handle 29 can not rotate, and had only to the valve body direction by lower handle 29, allow limit dais 263 break away from grooves 274 after, could handle with sleeve 29.
Spring 25 is located between spring pad 24, the limited ring 27, and jump ring 28 snaps in the annular groove 215.
Claims (2)
1, a kind of burnt gas switch valve, comprise that both sides are provided with the valve body of air inlet nozzle and outlet nozzle (21), handle (29), it is characterized in that: described valve body (21) middle part is provided with taper hole (211), the interior drive fit of this taper hole (211) is equipped with the tapered sleeve (22) of band vent (222), cooperate the cone (23) that band vent (232) is housed in this tapered sleeve (22), be provided with spacing positioning device between described tapered sleeve (22) and the cone (23).
2, burnt gas switch valve according to claim 1, it is characterized in that: described spacing positioning device comprises limited ring (27), valve rod (26), spring (25), jump ring (28), be provided with the vertical locating slot (212) of two symmetries in valve body (21) middle and upper part, its top is provided with annular groove (215), tapered sleeve (22) is stuck in the locating slot (212) by positioning convex strip (221), valve rod (26) bottom is connected by the shank (233) of square hole (262) with cone (23), be placed with spring washer (24) in cone (23) upper-end surface, between this spring washer (24) and the limited ring (27) spring (25) is housed, limited ring (27) top is provided with jump ring (28), this jump ring (28) embeds in the annular groove (215), limited ring (27) is stuck in the locating slot (212) of valve body (21) by both sides positioning table (271), valve rod (26) bottom is provided with limit dais (263), positive stop lug boss (272) with limited ring (27) underpart, slip surface (273) is done spacing cooperation, and handle (29) is fixed on valve rod (26) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03226217 CN2611700Y (en) | 2003-05-14 | 2003-05-14 | Gas switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03226217 CN2611700Y (en) | 2003-05-14 | 2003-05-14 | Gas switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2611700Y true CN2611700Y (en) | 2004-04-14 |
Family
ID=34163756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03226217 Expired - Lifetime CN2611700Y (en) | 2003-05-14 | 2003-05-14 | Gas switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2611700Y (en) |
-
2003
- 2003-05-14 CN CN 03226217 patent/CN2611700Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130514 Granted publication date: 20040414 |