CN203670844U - Self-pressure type gate valve - Google Patents
Self-pressure type gate valve Download PDFInfo
- Publication number
- CN203670844U CN203670844U CN201320877593.0U CN201320877593U CN203670844U CN 203670844 U CN203670844 U CN 203670844U CN 201320877593 U CN201320877593 U CN 201320877593U CN 203670844 U CN203670844 U CN 203670844U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- hydraulic cylinder
- pipeline
- self
- 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
Links
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a self-pressure type gate valve which comprises a valve body, a valve rod and a valve body. An inlet cavity and an outlet cavity are formed in the two sides of the valve body respectively, a hydraulic cylinder is arranged above the valve body, a piston is arranged in the hydraulic cylinder, the piston is in linkage lifting fit with the valve rod, and an upper water inlet pipeline, a lower water inlet pipeline, an upper water outlet pipeline and a lower water outlet pipeline are arranged on the hydraulic cylinder, wherein the upper water inlet pipeline and the lower water inlet pipeline correspond to each other, and the upper water outlet pipeline and the lower water outlet pipeline correspond to each other. A main pipeline is arranged on the valve body and communicated with the inlet cavity, the upper water inlet pipeline and the lower water inlet pipeline. A depressurization air release valve is arranged outside the hydraulic cylinder and is communicated with the upper water outlet pipeline and the lower water outlet pipeline respectively. The main pipeline, the upper water inlet pipeline, the lower water inlet pipeline, the upper water outlet pipeline and the lower water outlet pipeline are all provided with small valves. The self-pressure type gate valve can be turned on and turned off in a hydraulic drive mode, and is little in energy consumption, low in cost and high in work efficiency.
Description
Technical field
The utility model relates to a kind of valve field, is specifically related to a kind of self-pressure type gate valve.
Background technique
Gate valve is one of the most widely used valve, traditional gate valve generally comprises valve body, valve rod, valve and valve rod driving device, its valve rod is located in valve body and is extended valve body top, valve is fixed on stem bottom, the both sides of valve body are respectively equipped with snout cavity and outlet plenum, its working principle is to move up and down by valve rod driving device band ovable valve stem, thereby moves up and down to play the effect of opening/shutting valve with movable valve.The existing drive unit for actuate valve stem is mostly manually operated type or electrodynamic type, but all there is certain drawback in these two kinds of methods, at the bottom of the large and working efficiency of the labour force of its manually operated type gate valve demand motive, and electrodynamic type gate valve needs a large amount of driving sourcies, cost is higher.
Model utility content
In order to overcome the deficiencies in the prior art part, the utility model provides a kind of self-pressure type gate valve, at the bottom of having solved the large and working efficiency of labour force that existing manually operated type gate valve needs, and the deficiency that the power consumption of electrodynamic type gate valve is large, cost is high.
Adopt following technological scheme in order to solve the existing problem the utility model of background technique: a kind of self-pressure type gate valve, comprise valve body, valve rod and valve, described valve rod is located in valve body and is extended valve body top, described valve is fixed on stem bottom, the both sides of described valve body are respectively equipped with snout cavity and outlet plenum, the top of described valve body is provided with oil hydraulic cylinder, in described oil hydraulic cylinder, be provided with piston, described piston coordinates with valve rod interlock lifting, described oil hydraulic cylinder is provided with corresponding upper, lower inlet pipeline and on, lower discharging tube road, described valve body is provided with main pipe rail and is communicated in snout cavity and upper, lower inlet pipeline, described oil hydraulic cylinder is provided with step-down atmospheric valve outward respectively with upper, lower discharging tube road is communicated with, described main pipe rail, on, lower inlet pipeline and on, lower discharging tube is equipped with minor valve on road.
By this setting, this self-pressure type gate valve can carry out driven plunger by the mode of hydraulic pressure and move up and down, and piston is just with ovable valve stem to move up and down, thus the effect of starting opening/shutting valve, and that this hydraulic type driving mode not only consumes energy is little, cost is low and working efficiency is high.
Further setting of the present utility model: the top of described valve body is provided with a gear reduction box, is provided with a half nuts and is set on valve rod in this gear reduction box, described gear reduction box is provided with respectively hand liquid COMM communication and the handwheel with half nuts interlock.
By this setting, this self-pressure type gate valve both can also can pass through manually operated type opening/shutting valve by hydrodynamic opening/shutting valve, in the time that needs change to manually operated type, stir hand liquid COMM communication, thereby make half nuts locking valve rod, just can move up and down by handwheel actuate valve stem, valve rod is just with the upper and lower folding of movable valve.
Further setting of the present utility model: described valve body top is provided with valve gap, is provided with some stent support on described valve gap and is connected in the bottom of oil hydraulic cylinder.
By this setting, can make this self-pressure type gate valve overall structure more firm, and facilitate the installation of reduction gear box, be conducive to the switching manually and between surging.
The beneficial effects of the utility model are: self-pressure type gate valve of the present utility model plays the effect of opening/shutting valve by hydraulic type driving mode, thus not only consume energy little, cost is low and working efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment's self-pressure type gate valve.
Embodiment
In order to deepen, to understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model to be described in further detail, this embodiment only, for explaining the utility model, does not form the restriction to the utility model protection domain.
As shown in Figure 1, the utility model embodiment's self-pressure type gate valve, comprise valve body 1, valve rod 2 and valve 3, valve rod 2 is located in valve body 1 and is extended valve body 1 top, valve 3 is fixed on valve rod 2 bottoms, the both sides of valve body 1 are respectively equipped with snout cavity 4 and outlet plenum 5, further, above valve body 1, be provided with oil hydraulic cylinder 6, in this oil hydraulic cylinder 6, be provided with piston 7, the lifting that links of piston 7 and valve rod 2 coordinates, further, on oil hydraulic cylinder 6, be provided with corresponding upper, lower inlet pipeline 8, 9 and on, lower discharging tube road 10, 11, its valve body 1 is provided with main pipe rail 12 by snout cavity 4 and upper, lower inlet pipeline 8, 9 are communicated with respectively, further, outside oil hydraulic cylinder 6, be provided with step-down atmospheric valve 13 respectively with on, lower discharging tube road 10, 11 are communicated with, wherein, main pipe rail 12, on, lower inlet pipeline 8, 9 and on, lower discharging tube road 10, on 11, be equipped with minor valve 14.This self-pressure type gate valve can be by the mode of hydraulic pressure to play the effect of opening/shutting valve 3 like this, in the time of needs throttle down 3, minor valve 14 on main pipe rail 12, upper inlet pipeline 8 and upper water-out pipeline 10 is all opened, medium just enters piston 7 tops of oil hydraulic cylinder 6 from snout cavity 4, thereby promoting piston 7 declines enters in step-down air defense valve 13 medium of piston 7 belows, piston 7 just promotes valve rod 2 and declines, and realizes the effect of throttle down 3; In the time that needs are opened valve 3, minor valve 14 on main pipe rail 12, lower inlet pipeline 9, lower discharging tube road 11 is all opened, medium just enters piston 7 belows of oil hydraulic cylinder 6 from snout cavity 4, thereby promoting piston 7 risings enters in step-down atmospheric valve 13 medium of piston 7 tops, piston 7 is just with ovable valve stem 2 to rise, and realizes the effect of opening valve, wherein, closing all minor valves 14 just can be by the medium emptying in step-down atmospheric valve 13, so that operation next time.
In the present embodiment, the top of valve body 1 is provided with a gear reduction box 15, be provided with a half nuts 16 and be set on valve rod 2, and gear reduction box 15 is provided with respectively the hand liquid COMM communication 17 and the handwheel 18 that link with half nuts 16 in this gear reduction box 15.This self-pressure type gate valve both can also can pass through manually operated type opening/shutting valve 3 by hydrodynamic opening/shutting valve 3 like this, in the time that needs change to manually operated type, stir hand liquid COMM communication 17, thereby make half nuts 16 lock valve rod 2, just can move up and down by handwheel 18 actuate valve stem 2, valve rod 2 is just with movable valve folding Shang Xia 3.
In the present embodiment, valve body 1 top is provided with valve gap 19, is provided with some support 20 support and connection in the bottom of oil hydraulic cylinder 6 on this valve gap 19.Can make like this this self-pressure type gate valve overall structure more firm, and facilitate the installation of reduction gear box 15, be conducive to the switching manually and between surging.
Claims (3)
1. a self-pressure type gate valve, comprise valve body, valve rod and valve, described valve rod is located in valve body and is extended valve body top, described valve is fixed on stem bottom, the both sides of described valve body are respectively equipped with snout cavity and outlet plenum, it is characterized in that: the top of described valve body is provided with oil hydraulic cylinder, in described oil hydraulic cylinder, be provided with piston, described piston coordinates with valve rod interlock lifting, described oil hydraulic cylinder is provided with corresponding upper, lower inlet pipeline and on, lower discharging tube road, described valve body is provided with main pipe rail and is communicated in snout cavity and upper, lower inlet pipeline, described oil hydraulic cylinder is provided with step-down atmospheric valve outward respectively with upper, lower discharging tube road is communicated with, described main pipe rail, on, lower inlet pipeline and on, lower discharging tube is equipped with minor valve on road.
2. self-pressure type gate valve according to claim 1, it is characterized in that: the top of described valve body is provided with a gear reduction box, in this gear reduction box, be provided with a half nuts and be set on valve rod, described gear reduction box is provided with respectively hand liquid COMM communication and the handwheel with half nuts interlock.
3. self-pressure type gate valve according to claim 1, is characterized in that: described valve body top is provided with valve gap, is provided with some stent support and is connected in the bottom of oil hydraulic cylinder on described valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877593.0U CN203670844U (en) | 2013-12-26 | 2013-12-26 | Self-pressure type gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877593.0U CN203670844U (en) | 2013-12-26 | 2013-12-26 | Self-pressure type gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670844U true CN203670844U (en) | 2014-06-25 |
Family
ID=50967142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320877593.0U Expired - Fee Related CN203670844U (en) | 2013-12-26 | 2013-12-26 | Self-pressure type gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670844U (en) |
-
2013
- 2013-12-26 CN CN201320877593.0U patent/CN203670844U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204343269U (en) | The device of a kind of power station stratified pumping | |
| CN203670844U (en) | Self-pressure type gate valve | |
| CN204175341U (en) | A kind of twin shaft air-cooled steam turbine generator group system | |
| CN202441659U (en) | Hydraulic oil tank with cooling device | |
| CN202580081U (en) | Pressure regulating automatic gate valve | |
| CN202017664U (en) | Environmentally-friendly water pump | |
| CN203704765U (en) | Water supply system for cooling tower water tank | |
| CN203978957U (en) | High-lift large flow hydraulic ram in arid hillside field | |
| CN208203704U (en) | hydraulic station structure | |
| CN203395291U (en) | Integrated hydraulically-controlled non-return butterfly valve | |
| CN201899999U (en) | High-pressure homogenizer taking hydraulic pressure as power | |
| CN201787133U (en) | Multi-path gas control water valve | |
| CN201588260U (en) | Novel water supply equipment | |
| CN203419682U (en) | Fan blade array installation control device for offshore wind power equipment | |
| CN203627346U (en) | Five-in-one hydraulic system winch | |
| CN203668893U (en) | Gate air-in-out device | |
| CN204267113U (en) | A kind of single shaft air-cooled steam turbine generator group system | |
| CN202281043U (en) | Water circulating system | |
| CN103669300B (en) | A kind of gate air inlet and outlet device | |
| CN204164394U (en) | A kind of irrigation outlet valve | |
| CN203463253U (en) | Multifunctional vacuum pump | |
| CN202302080U (en) | Valve with ceramic valve spool | |
| CN202250746U (en) | Concrete delivery pump hydraulic system equipped with electric control two-way cartridge inserted valve system | |
| CN201858787U (en) | Automatic water supplying controller of solar water heater | |
| CN204692200U (en) | A kind of pneumatic pump picotan |
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: 20140625 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |