CN204153291U - A kind of valve of fast shut-off - Google Patents
A kind of valve of fast shut-off Download PDFInfo
- Publication number
- CN204153291U CN204153291U CN201420594234.9U CN201420594234U CN204153291U CN 204153291 U CN204153291 U CN 204153291U CN 201420594234 U CN201420594234 U CN 201420594234U CN 204153291 U CN204153291 U CN 204153291U
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- CN
- China
- Prior art keywords
- valve rod
- valve
- lock pin
- elastic mechanism
- rod
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- 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 valve of fast shut-off, comprise handwheel, screw rod, valve rod, flap, bearing support, described valve rod comprises two-part, upper valve rod and lower valve rod, described two-part valve rod is connected by elastic mechanism, described upper valve rod abuts with screw rod, and described lower valve rod is fixedly connected with flap, and described elastic mechanism is also provided with one for keeping the lock pin of elastic mechanism compressive state.Compared with prior art, this uses novel advantage to be: so, when needs Quick gate valve, without the need to rotating handwheel, only with extracting lock pin, valve rod declines due to the expansive force of elastic mechanism, complete gate valve, then slowly can rotate handwheel makes elastic mechanism get back to confined state, then plugs gate valve, just can normal through handwheel control valve.Structure is simple, easily operates, and while ensureing sealing, has saved cost of production.
Description
Technical field
The utility model relates to a kind of valve, and more particularly, it relates to a kind of valve of fast shut-off.
Background technique
Valve is in fluid system, be used for controlling the direction of fluid, pressure, flow device be the medium in pipe arrangement and equipment (liquid, gas, powder) is flowed or stops and the device of its flow can be controlled.
Valve is controlling component in pipeline fluid transporting system, and it is used to change path section and media flow direction, has the functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.For the valve that fluid controls, various valves used from the simplest stop valve to very complicated robot control system(RCS), its kind and specification various, the inside nominal diameter of valve reaches greatly the industrial pipeline valve of 10m to latus rectum from atomic little Gauge Valves.Can be used for controlling all kinds such as water, steam, oil product, gas, mud, various Korrosionsmedium, liquid metal and radioactive fluid fluidly to flow, the working pressure of valve can ultrahigh pressure from 0.0013MPa to 1000MPa, and operating temperature is from the ultralow temperature of-270 DEG C to the high temperature of 1430 DEG C.
The control of valve can adopt the multiple kind of drive, as manual, electronic, surge, pneumatic, turbine, electromagnetic driven, electromagnetism surge, electricity surges, air-or liquid-operated, spur wheel, umbrella gear driving etc.; Can under the effect of pressure, temperature or other form transducing signal, by predetermined requirement action, or do not rely on transducing signal and simply open or close, valve rely on drive or automechanism makes open-shut device be elevated, slippage, swing or rotation motion, thus the size changing its Flow area is to realize its controlling functions.
At present due to production technology and cost regulation and control, it is at most manually-operated gate that open market uses, and hand door is also the valve of the most basic driving mode.It is comprised with handwheel, handle or wrench Direct driver and is driven by driving mechanism, the general stop valve principle driven by handwheel drives screw rod to rotate by handwheel, the screw thread arranged by screw rod outer surface and bearing support internal surface thread engagement, screw rod is moved down, extruding valve rod move down, the flap on valve rod with together with move downward, prop up valve opening, valve water inlet and water outlet water route are disconnected, and water outlet is water outlet no longer.
But due in large-scale or medium-sized water water-supply plant, probably there is the situation needing Quick gate valve, such as water route is polluted, water route is damaged etc., if reach cut-off effect by manpower turn valve, speed may be slower, so, also there is the valve much with Quick gate valve function in market, one passes through gas-filled pump, or inflator changes valve rod air pressure inside, reach the object of rapid gate valve, but this valve obviously uses not, cut waste economical, and while reaching quick cutoff function, ensure the sealing of valve, the most important thing of valve design.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is the valve providing a kind of fast shut-off.
For achieving the above object, the utility model provides following technological scheme: a kind of valve of fast shut-off, comprise handwheel, screw rod, valve rod, flap, bearing support, described valve rod comprises upper valve rod and lower valve rod, described upper valve rod is connected by elastic mechanism with lower valve rod, described upper valve rod abuts with screw rod, and described lower valve rod is fixedly connected with flap, and described elastic mechanism is also provided with one for keeping the lock pin of elastic mechanism compressive state.
So, when needs Quick gate valve, handwheel can not be rotated, directly extract lock pin, time elastic mechanism produce an expansive force to both sides, act on upper valve rod and lower valve rod respectively, but upper valve rod is owing to conflicting with screw rod, and screw rod is fixed on bearing support by thread engagement, so under the expansive force effect produced, lower valve rod is moved down, until flap withstands valve opening, complete fast shut-off, and then rotate handwheel screw rod is moved down, upper valve rod is driven to move down pressure elasticity mechanism to original compressive state, insert lock pin, complete fixing, just equally with normal condition can use valve.
The utility model can be set to further: described elastic mechanism comprises elastic component, and described elastic component one end is fixedly connected on described upper valve rod, and its other end is fixedly connected on described lower valve rod.
Be separately fixed on upper and lower valve rod by elastic component two ends, make this mode that upper and lower valve rod elasticity connects, while realizing Quick gate valve, improve soundness and the reliability of valve.
In one embodiment, described elastic component is set to spring.By the setting of spring, while realizing elasticity object, construction cost and cost of production can be reduced.
Described spring can arrange 5, and one of them is arranged on valve rod shaft core position, and all the other four distribute around valve rod axle center even circumferential.Such setting, during Quick gate valve, stressed meeting is more even, ensure that the reliability of valve.
In one embodiment, described elastic component comprises the plunger that lower valve rod is fixed in one end, the described plunger the other end is arranged with cylindrical cavity, the surface of described cylindrical cavity plunger is dorsad fixedly connected with upper valve rod, described plunger is connected with described cylindrical cavity slippage, forms pressurized gas between described plunger and described cylinder cavity volume.。
Described cylinder cavity volume and described plunger can arrange 5 groups, and wherein one group is arranged on valve rod shaft core position, and all the other four groups distribute around valve rod axle center even circumferential.Such setting, during Quick gate valve, stressed meeting is more even, ensure that the reliability of valve.
The utility model can be set to further: described lock pin is provided with two fixed arms, described upper valve rod and described lower valve rod are respectively equipped with a groove, described groove shapes size is identical with two fixed arm shape sizes of described lock pin, described bearing support is provided with a through hole, described lock pin extends bearing support outside by through hole, and described through hole band is set to bar shaped.
Arranged by such latch, if when lock pin upper arm and underarm, the expansive force of elastic mechanism can act on lock pin upper arm and underarm, and Impact direction is contrary, but lock pin upper arm is fixedly connected with underarm, so upper underarm can not Relative sliding, so, elastic mechanism just can be made to remain on compressive state, when needing Quick gate valve, only with extracting lock pin, just Quick gate valve can be completed.
The utility model can be set to further: described lock pin dorsad stem surface is fixedly installed jug.By the setting of handle, lock pin can be made to plug convenient.
Compared with prior art, this uses novel advantage to be: so, when needs Quick gate valve, without the need to rotating handwheel, only with extracting lock pin, valve rod declines due to the expansive force of elastic mechanism, complete gate valve, then slowly can rotate handwheel makes elastic mechanism get back to confined state, then plugs gate valve, just can normal through handwheel control valve.Structure is simple, easily operates, and while ensureing sealing, has saved cost of production.
Accompanying drawing explanation
Fig. 1 is the utility model sectional view;
Fig. 2 is the A portion stereogram of Fig. 1;
Fig. 3 is the A portion perspective view of Fig. 1;
Fig. 4 is the stereogram that Fig. 2 conceals bearing support;
Fig. 5 is the perspective view that Fig. 3 conceals bearing support;
Fig. 6 is the stereogram that Fig. 4 conceals lock pin;
Fig. 7 is the perspective view that Fig. 5 conceals lock pin;
Reference character: 1, handwheel; 2, screw rod; 3, upper valve rod; 4, lower valve rod; 5, elastic mechanism; 5.1, cylinder cavity volume; 5.2, plunger; 6, flap; 7, lock pin; 8, handle; 9, bearing support; 10, through hole.
Embodiment
Referring to figs. 1 through Fig. 7, the utility model embodiment is described further.
Implement 1 referring to figs. 1 through shown in Fig. 7,
A kind of valve of fast shut-off, comprise handwheel 1, screw rod 2, valve rod, flap 6, bearing support 9, described valve rod comprises two-part, upper valve rod 3 and lower valve rod 4, described two-part valve rod is connected by elastic mechanism 5, described upper valve rod 3 abuts with screw rod 2, and described lower valve rod 4 is fixedly connected with flap 6, and described elastic mechanism 5 is also provided with one for keeping the lock pin 7 of elastic mechanism 5 compressive state.Under normal circumstances, elastic mechanism 5 is in compressive state under the extruding of lock pin 7, is with ovable valve stem to move up and down by handwheel 1, completes the keying of valve, and when needs fast shut-off, only with extracting lock pin 7, elastic mechanism 5 discharges, and extruding lower valve rod 4 moves down; Described elastic mechanism 5 includes in embodiment 1: one end is fixedly connected on the elastic component of described upper valve rod 3 towards the surface of described lower valve rod 4, and the described elastic component the other end is fixedly connected on the surface of described lower valve rod 4 towards described upper valve rod 3.Described elastic component comprises one end and is fixedly connected on the plunger 5.2 that lower valve rod 4 is fixed in the cylindrical cavity of upper valve rod 3 and one end, described plunger 5.2 is slidably connected with cylinder cavity volume 5.1, joint is provided with for preventing the sealing layer leaked gas, air or fluid can be filled in cavity volume, under normal circumstances, air in cavity volume or fluid are in compressive state, when extracting lock pin 7, due to pressure action, lower valve rod 4 is moved down, upper valve rod 3 invariant position, complete the fast shut-off of valve, described lock pin 7 is set to U-shaped, described upper valve rod 3 is respectively equipped with a groove with described lower valve rod 4, described groove shapes size is identical with the two-arm shape size of described lock pin 7, described bearing support 9 is provided with a through hole 10 and is with, it is outside that described lock pin 7 extends bearing support 9 by through hole 10 band, described through hole 10 band is set to bar shaped.Described lock pin 7 dorsad stem surface is fixedly installed jug 8, laterally can extract lock pin by handle 8, completes only valve.Described cylinder cavity volume 5.1 can arrange 5 groups with described plunger 5.2, and wherein one group is arranged on valve rod shaft core position, and all the other four groups distribute around valve rod axle center even circumferential.
The effective structure of embodiment 2 is roughly the same with embodiment 1, only plunger in embodiment 1 5.2 and cylinder cavity volume 5.1 are set to spring, spring adopts high-strength spring, its diameter needs to be greater than 10MM, the number of turns is greater than 10 circles, to ensure the expansive force that spring can provide enough, it expands identical with implementing 1 with gate valve principle, does not repeat at this.
Implement the effect that all can realize Quick gate valve, but consider the nargin demand of working life and expansive force for above-mentioned two kinds, the utility model adopts embodiment 1 to be preferred version.
So, when needs Quick gate valve, without the need to rotating handwheel 1, only with extracting lock pin 7, valve rod declines due to the expansive force of elastic mechanism 5, completes gate valve, then slowly can rotate handwheel 1 and make elastic mechanism 5 get back to confined state, then gate valve is plugged, just can normal through handwheel 1 control valve.
It should be noted that, above-mentioned two kinds of embodiments are the preferred embodiment that inventor provides, the such as setting of other elastic mechanisms 5, and the change of the quantity of elastic component, arrangement mode, shape, also because belonging to protection domain of the present utility model.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. the valve of a fast shut-off, comprise handwheel, screw rod, valve rod, flap, bearing support, it is characterized in that: described valve rod comprises upper valve rod and lower valve rod, described upper valve rod is connected by elastic mechanism with lower valve rod, described upper valve rod abuts with screw rod, described lower valve rod is fixedly connected with flap, and described elastic mechanism is also provided with one for keeping the lock pin of elastic mechanism compressive state.
2. the valve of a kind of fast shut-off according to claim 1, is characterized in that: described elastic mechanism comprises elastic component, described elastic component one end is fixedly connected on described upper valve rod, and its other end is fixedly connected on described lower valve rod.
3. the valve of a kind of fast shut-off according to claim 2, is characterized in that: described elastic component is set to spring.
4. the valve of a kind of fast shut-off according to claim 2, it is characterized in that: described elastic component comprises the plunger that lower valve rod is fixed in one end, the described plunger the other end is arranged with cylindrical cavity, the surface of described cylindrical cavity plunger is dorsad fixedly connected with upper valve rod, described plunger is connected with described cylindrical cavity slippage, forms pressurized gas between described plunger and described cylinder cavity volume.
5. the valve of a kind of fast shut-off according to claim 1 or 2 or 3, it is characterized in that: described lock pin is provided with two fixed arms, described upper valve rod and described lower valve rod are respectively equipped with groove, described groove shapes size is identical with two fixed arm shape sizes of described lock pin, described bearing support is provided with through hole, described lock pin extends bearing support outside by through hole, and described through hole is set to bar shaped.
6. the valve of a kind of fast shut-off according to claim 1 or 2 or 3, is characterized in that: described lock pin dorsad stem surface is fixedly installed jug.
7. the valve of a kind of fast shut-off according to claim 3, it is characterized in that: described spring arranges 5, one of them is arranged on valve rod shaft core position, and all the other four distribute around valve rod axle center even circumferential.
8. the valve of a kind of fast shut-off according to claim 4, is characterized in that: described cylinder cavity volume and described plunger arrange 5 groups, and wherein one group is arranged on valve rod shaft core position, and all the other four groups distribute around valve rod axle center even circumferential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420594234.9U CN204153291U (en) | 2014-10-15 | 2014-10-15 | A kind of valve of fast shut-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420594234.9U CN204153291U (en) | 2014-10-15 | 2014-10-15 | A kind of valve of fast shut-off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204153291U true CN204153291U (en) | 2015-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420594234.9U Expired - Fee Related CN204153291U (en) | 2014-10-15 | 2014-10-15 | A kind of valve of fast shut-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204153291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099983A (en) * | 2018-09-18 | 2018-12-28 | 江苏微浪电子科技有限公司 | A kind of fluid flowmeter for capableing of quick closedown import |
-
2014
- 2014-10-15 CN CN201420594234.9U patent/CN204153291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099983A (en) * | 2018-09-18 | 2018-12-28 | 江苏微浪电子科技有限公司 | A kind of fluid flowmeter for capableing of quick closedown import |
| CN109099983B (en) * | 2018-09-18 | 2020-05-15 | 江苏微浪电子科技有限公司 | Liquid flowmeter capable of quickly closing inlet |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20161015 |