CN2524020Y - Improved hydropneumatic switches - Google Patents
Improved hydropneumatic switches Download PDFInfo
- Publication number
- CN2524020Y CN2524020Y CN 02201960 CN02201960U CN2524020Y CN 2524020 Y CN2524020 Y CN 2524020Y CN 02201960 CN02201960 CN 02201960 CN 02201960 U CN02201960 U CN 02201960U CN 2524020 Y CN2524020 Y CN 2524020Y
- Authority
- CN
- China
- Prior art keywords
- valve rod
- boss
- valve
- pressure cap
- dummy club
- 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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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a valve device which is used for controlling the open and the close of liquid or air pipeline, in particular to an improved hydropneumatic switches, comprising a shell, a valve seat, a valve rod, a pressing cap and a valve core. A water inlet channel and a water outlet channel which are mutually communicated with the help of the valve seat are arranged inside the shell; the part of the shell which is at external side of the water outlet channel is provided with dummy club, and installation passage for valve rod is positioned inside the dummy club; the inner wall of the installation passage is provided with loop groove, and seal ring which is matched with the valve rod is arranged inside the loop groove. The end of the valve rod which is at the outside side of the dummy club is provided with pressing cap corresponding tot eh outside margin of the dummy club. The valve rod between the pressing cap and the dummy club is equipped with spring, and a position retarding device is arranged between the inner wall of the pressing valve and the outside margin of the dummy club. The valve core is positioned at the end of the valve rod part which is inside the water inlet channel in the shell, and the valve core is matched with the valve seat at the bottom of the water inlet channel. The utility model has simple structure, easy manufacture and low cost; and the utility model solves the problem that the switch of the traditional pipeline is easy to have inflexible turning, and the water is easily leaked and the switch is easily abraded, and the life span of the switch is short and the switch can not automatically shut off.
Description
Technical field: the utility model relates to a kind of control valve unit that is used to control the pipeline switching of carrying liquid or gas, particularly improved Liquefied gas swtich.
Background technique: at present, to control the switch gear of its switching be various forms of by the water tap that rotated switching function, plate gate valve, spherical valve etc. to more being used to of use in the pipeline (as natural gas tube) of the pipeline (as running water pipe) of carrying liquid or conveying gas, water tap, plate gate valve, spherical valve etc. are easy to manufacture because of it as traditional pipeline accessory, cost is low, volume is small and exquisite, and is widely used.That but traditional pipeline switches such as water tap, plate gate valve, spherical valve are easy to occur to rotate is dumb, switching time is long, and leakiness such as lacks in rapid wear and working life at common deficiency.Sometimes run into and the water tap turned on, plate gate valve, spherical valve etc. are forgotten close, if when being connected with liquid or gas again in the pipeline, just cause the leakage of fluid easily, if what carry in the pipeline is hazardous fluids (as poisonous or inflammable explosive article etc.), just be difficult to avoid having an accident.
Summary of the invention: the purpose of this utility model is to provide a kind of improved Liquefied gas swtich, it is simple in structure, be easy to make, cost is low, the rotation of not only having avoided traditional pipeline switch to be prone to effectively is dumb, leakiness, rapid wear, defectives such as the life-span is short, and solved the problem that the conventional tube switch can not cut out automatically.
The purpose of this utility model is achieved in that a kind of improved Liquefied gas swtich, comprise housing, valve seat, valve rod, pressure cap, spool, have the intake tunnel and the exhalant canal that are interconnected by valve seat in the housing, the housing in the exhalant canal outside is provided with boss, be provided with valve rod in the boss passage is installed, the inwall that valve rod is installed passage is provided with annular groove, the seal ring that matches with valve rod is housed in the annular groove, the end that is positioned at the valve rod in the boss outside is provided with the pressure cap that matches with the boss outer rim, be set with spring on the valve rod between pressure cap and the boss end face, between pressure cap inwall and boss outer rim, be provided with the location time delay device, pressure cap and boss are by time delay device location, location, spool is equipped with in the end that is positioned at the valve rod of housing intake tunnel, and spool matches with the valve seat of intake tunnel bottom.
When using the utility model, the pressure cap drive valve rod that pushing is contained in the valve rod end retreats, and the spool that is installed in the valve rod the other end is lifted off a seat, and can make the water-in and water-out channel connection.Unclamp pressure cap, under the double action of the elastic force of the spring of suit, valve rod is return immediately on the valve rod between the pressure of the fluid in pipeline and pressure cap and the boss end face, and spool compresses valve seat, and pipeline is cut off.Between pressure cap inwall and boss outer rim, be provided with the location time delay device, can play the effect that pressure cap is return fast that delays, because pressure cap can not be return at short notice automatically, thereby the fluid in the discharge conduit for a long time, make the utility model both can cut off the pipeline cut-out pipeline of also can delaying time immediately, enlarged its application area, as be used in the traditional water tap of replacement in the running water pipe, the phenomenon of big water gaging also can not appear wasting even forget throttle down, because of it can time-delay closing, thereby can realize the purpose of economizing on water.The utility model adopts the push-and-pull valve rod to open and close the method for pipeline, the rotation of having avoided traditional pipeline switch to be prone to is dumb, leakiness, rapid wear, defectives such as the life-span is short, the pressure of tube road inner fluid promotes spool and blinds off a line automatically, has solved the problem that conventional tube can not be closed automatically, can guarantee to carry the safety of the pipeline of hazardous fluids.
Description of drawings: Fig. 1 looks cross-sectional view for the utility model embodiment 1 master; Fig. 2 looks cross-sectional view for the utility model embodiment 2 master; Fig. 3 looks cross-sectional view for the utility model embodiment 3 master.
Embodiment: the utility model is described in further detail below in conjunction with accompanying drawing, a kind of improved Liquefied gas swtich, as Fig. 1, Fig. 2, shown in Figure 3, comprise housing 1, valve seat 2, valve rod 3, pressure cap 4, spool 5, have the intake tunnel 6 and the exhalant canal 7 that are interconnected by valve seat 2 in the housing 1, intake tunnel 6 is vertical mutually basically with exhalant canal 7.The housing 1 in exhalant canal 7 outsides is provided with boss 8, be provided with valve rod in the boss 8 passage is installed, the inwall that valve rod is installed passage is provided with annular groove, the quantity of annular groove can be for two or more, the seal ring 10 that matches with valve rod 3 is housed in the annular groove, and seal ring 10 can make the fluid in the pipeline be not easy by valve rod passage to be installed and leak.The end that is positioned at the valve rod 3 in boss 8 outsides is provided with the pressure cap 4 that matches with the outer rim of boss 8, be set with spring 11 on the valve rod 3 between the end face of pressure cap 4 and boss 8, spring 11 is set makes valve rod 3 in pipeline, not have also can return automatically under the situation of fluid, to improve the Security of pipeline.Between the outer rim of the inwall of pressure cap 4 and boss 8, be provided with the location time delay device, as shown in Figure 1, this location time delay device is included in the blind hole 12 that is provided with on boss 8 outer rims, spring latch lock 13 is housed in the blind hole 12, the corresponding arc pit 14 that cooperates with spring latch lock 13 that is provided with on the inwall of pressure cap 4, arc pit 14 can hold spring latch lock 13, and pressure cap 4 can not be return immediately automatically.As shown in Figure 2, this location time delay device can also be arranged to another form, and arc pit 14 promptly is set on the outer rim of boss 8, is correspondingly provided with Nut column 22 on the pressure cap 4, and spring latch lock 13 and bolt 17 are housed in it.By screwing bolt 17 to adjust the frictional force between spring latch lock 13 and the arc pit 14, to prolong the time that pressure cap 4 is return.The location time delay device can also be arranged to another form, as shown in Figure 3, the groove 9 of this location time delay device on the outer rim of boss 8, being provided with, groove 9 is along the axial setting of boss 8, be provided with the friction plate 18 of band button 20 in the groove 9, an end of friction plate 18 is fixed, and the other end is provided with projection, the below of projection is provided with spring 19, is correspondingly provided with the arc pit 14 that matches with the projection of friction plate 18 ends setting on the inwall of pressure cap 4.As Fig. 1, Fig. 2, shown in Figure 3, the elastic force of the spring 19 that the below of friction plate 18 ends among spring latch lock 13 and the embodiment 3 is provided with can not be too big, otherwise can hinder the motion of pressure cap 4, spring latch lock 13 should be controlled in such scope with the elastic force of spring 19, that is: when being filled with the fluid of rated pressure in the pipeline, promoting pressure cap 4 makes the arc groove 14 that is provided with on its inwall cooperate the location with the projection that spring latch lock 13 or friction plate 18 ends are provided with, because spring latch lock 13 is sphere with the projection that friction plate 18 ends are provided with, frictional force between the two and the arc groove 14 is less, under the effect of the elastic force of hydrodynamic pressure and spring 11, make pressure cap 4 retreat lentamente, do not get final product but can not return immediately.Adjust spring latch lock 13 and then can control the length that pressure cap 4 is return the time with the elastic force of spring 19.This makes the utility model can have the application area of a broad, can be applied in the traditional outlet valve of replacement in the heating pipeline as the utility model, can replace traditional water tap or the like.As Fig. 1, shown in 2,3, spool 5 is equipped with in the end that is positioned at the valve rod 3 of housing 1 intake tunnel 6, on the spool 5 rubber pad is housed, and spool 5 matches with the valve seat 2 that is positioned at intake tunnel 6 bottoms.As Fig. 1, shown in Figure 2, be auxiliary hole perpendicular to the through hole 15 of intake tunnel 6, through hole 15 is by sealing cover 16 sealings.
Claims (4)
1. improved Liquefied gas swtich, comprise housing (1), valve seat (2), valve rod (3), pressure cap (4), spool (5), have the intake tunnel (6) and the exhalant canal (7) that are interconnected by valve seat (2) in the housing (1), it is characterized in that: the housing (1) in exhalant canal (7) outside is provided with boss (8), be provided with valve rod in the boss (8) passage is installed, the inwall that valve rod is installed passage is provided with annular groove, the seal ring (10) that matches with valve rod (3) is housed in the annular groove, the end that is positioned at the valve rod (3) in boss (8) outside is provided with the pressure cap (4) that matches with the outer rim of boss (8), be set with spring (11) on the valve rod (3) between pressure cap (4) and boss (8) end face, between the outer rim of the inwall of pressure cap (4) and boss (8), be provided with the location time delay device, pressure cap (4) and boss (8) are by time delay device location, location, spool (5) is equipped with in the end of valve rod (3) that is positioned at the intake tunnel (6) of housing (1), and spool (5) matches with the valve seat (2) of intake tunnel (6) bottom.
2. improved Liquefied gas swtich according to claim 1, it is characterized in that: said location time delay device is included in the blind hole (12) that is provided with on boss (8) outer rim, spring latch lock (13) is housed, the corresponding arc pit (14) that cooperates with spring latch lock (13) that is provided with on pressure cap (4) inwall in the blind hole (12).
3. improved Liquefied gas swtich according to claim 1, it is characterized in that: said location time delay device is included in the arc pit (14) that is provided with on boss (8) outer rim, be correspondingly provided with Nut column (22) on the pressure cap (4), spring latch lock (13) and bolt (17) are housed in it.
4. improved Liquefied gas swtich according to claim 1, it is characterized in that: the groove (9) of this location time delay device on the outer rim of boss (8), being provided with, groove (9) is along the axial setting of boss (8), be provided with the friction plate (18) of band button (20) in the groove (9), one end of friction plate (18) is fixed, the other end is provided with projection, the below of projection is provided with spring (19), is correspondingly provided with the arc pit (14) that matches with the projection of friction plate (18) end setting on the inwall of pressure cap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02201960 CN2524020Y (en) | 2002-01-05 | 2002-01-05 | Improved hydropneumatic switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02201960 CN2524020Y (en) | 2002-01-05 | 2002-01-05 | Improved hydropneumatic switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2524020Y true CN2524020Y (en) | 2002-12-04 |
Family
ID=33684662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02201960 Expired - Fee Related CN2524020Y (en) | 2002-01-05 | 2002-01-05 | Improved hydropneumatic switches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2524020Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470892A (en) * | 2013-09-05 | 2013-12-25 | 常熟市董浜镇徐市盛峰液压配件厂 | Hydraulic pipe joint |
| CN106287179A (en) * | 2016-08-30 | 2017-01-04 | 海宁市舒雅达纺织有限公司 | A kind of jacquard lubricating arrangement |
| CN109236776A (en) * | 2018-09-29 | 2019-01-18 | 庆安集团有限公司 | A kind of spool positioning mechanism |
-
2002
- 2002-01-05 CN CN 02201960 patent/CN2524020Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470892A (en) * | 2013-09-05 | 2013-12-25 | 常熟市董浜镇徐市盛峰液压配件厂 | Hydraulic pipe joint |
| CN106287179A (en) * | 2016-08-30 | 2017-01-04 | 海宁市舒雅达纺织有限公司 | A kind of jacquard lubricating arrangement |
| CN109236776A (en) * | 2018-09-29 | 2019-01-18 | 庆安集团有限公司 | A kind of spool positioning mechanism |
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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 |