CN203009876U - Pressure self-sealing cast steel sluice valve - Google Patents
Pressure self-sealing cast steel sluice valve Download PDFInfo
- Publication number
- CN203009876U CN203009876U CN 201220663618 CN201220663618U CN203009876U CN 203009876 U CN203009876 U CN 203009876U CN 201220663618 CN201220663618 CN 201220663618 CN 201220663618 U CN201220663618 U CN 201220663618U CN 203009876 U CN203009876 U CN 203009876U
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- valve
- cast steel
- pressure self
- steel gate
- sealing cast
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Abstract
The utility model discloses a pressure self-sealing cast steel sluice valve, and relates to the technical field of valve design. The pressure self-sealing cast steel sluice valve comprises a valve body, a valve rod and a support, wherein the support is arranged on the valve body, a long annular hole is formed in the support along the vertical direction, the valve rod is fixedly provided with a sliding rod, and the sliding rod penetrates through the long annular hole. Due to arrangement of the sliding rod and the long annular hole, users can judge states of the valve according to the positions of the valve rod, and service life of the valve is prolonged.
Description
Technical field
The utility model relates to the valve design technical field, particularly a kind of pressure self-sealing cast steel gate valve.
Background technique
The open-shut device of pressure self-sealing cast steel gate valve (gate valve) is flashboard, and moving direction and the flow direction of flashboard are perpendicular, and the pressure self-sealing cast steel gate valve can only be made standard-sized sheet and complete shut-down, can not make adjustments and throttling.Be applicable on the small-bore pipeline of Class150～2500, operating temperature-29～425 ℃ (carbon steel) or-29～500 ℃ (stainless steel), be used for blocking or connecting the medium of pipeline, select different materials, can be applicable to respectively the mediums such as water, steam, oil product, nitric acid, acetic acid, Oxidant, urea.Use more on petroleum pipeline.
But the user is when using valve, be difficult to judge when where valve rod is positioned at, valve can be in opening state, the user is using valve, can valve rod be pulled to can't pull the time by using larger strength, think that just this valve is in opening state, but draw valve rod by larger strength for a long time, easily damage valve, cause shorten the working life of valve.
The model utility content
The technical problem that (one) will solve
The technical problems to be solved in the utility model is: how to be convenient to the state according to the position judgment valve of valve rod, to improve the working life of valve.
(2) technological scheme
For solving the problems of the technologies described above, the utility model provides a kind of pressure self-sealing cast steel gate valve, described pressure self-sealing cast steel gate valve comprises: valve body, valve rod and support, described support is installed on described valve body, vertically be provided with slotted hole on described support, described valve rod is fixed with slide bar, and described slide bar passes described slotted hole.
Wherein, described pressure self-sealing cast steel gate valve also comprises: the valve rod driver element that is used for driving described valve rod.
Wherein, described pressure self-sealing cast steel gate valve also comprises: valve gap, and described valve gap is located at the inwall of described valve body upper end, and the center of described valve gap is provided with through hole, and described valve rod passes described through hole.
Wherein, the inwall of described through hole is provided with packing ring, is provided with successively cracking type seal cartridge and filler flange above described packing ring, and described filler flange is installed on described valve body.
Wherein, the inwall of described valve body upper end is provided with circular groove, is provided with pendant collet in described circular groove, described pendant collet and described valve gap close contact.
Wherein, described pendant collet is the annulus that is divided into the quartering.
Wherein, the below of described pendant collet and be provided with successively packing ring and seal ring between described valve body and described valve gap.
Wherein, the lower end of described valve rod is provided with flashboard, and the both sides of described flashboard are provided with projection, and described valve body is provided with the guide rail that adapts with described projection.
(3) beneficial effect
The utility model is by arranging slide bar and slotted hole, makes the user be convenient to state according to the position judgment valve of valve rod, the working life of having improved valve.
Description of drawings
Fig. 1 is the structural representation according to the pressure self-sealing cast steel gate valve of a kind of mode of execution of the utility model;
Fig. 2 is the longitudinal section of pressure self-sealing cast steel gate valve shown in Figure 1;
Fig. 3 is that pressure self-sealing cast steel gate valve shown in Figure 2 is along the cutaway view Amplified image of B-B line;
101: valve body; 102: valve gap; 103: support; 104: valve rod; 105: flashboard; 106: valve seat; 107: guide rail; 108: filler flange; 109: the cracking type seal cartridge; 110: packing ring; 111: bolt; 112: bolt; 113: bolt; 114: bolt; 115: bolt; 116: nut; 117: nut; 118: nut; 119: seal ring; 120: packing ring; 121: pendant collet; 122: dunnage; 123: slide bar; 124: key.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Fig. 1 is the structural representation according to the pressure self-sealing cast steel gate valve of a kind of mode of execution of the utility model; Fig. 2 is the longitudinal section of pressure self-sealing cast steel gate valve shown in Figure 1; Fig. 3 is that pressure self-sealing cast steel gate valve shown in Figure 2 is along the cutaway view Amplified image of B-B line.With reference to Fig. 1 ~ 3, described pressure self-sealing cast steel gate valve comprises: valve body 101, valve rod 104 and support 103, described support 103 is installed on described valve body 101, vertically be provided with slotted hole on described support 103, described valve rod 104 is fixed with slide bar 123, and described slide bar 123 passes described slotted hole.
For ease of starting described pressure self-sealing cast steel gate valve, preferably, described pressure self-sealing cast steel gate valve also comprises: the valve rod driver element (not shown) that is used for driving described valve rod, described valve rod driver element can adopt the hand valve in conjunction with the driving mode of internal and external threads, also can be by device drives such as stepper motors.
When preventing that valve is in opening state, the valve body internal pressure is excessive, cause liquid to spray from the valve rod direction, preferably, described pressure self-sealing cast steel gate valve also comprises: valve gap 102, described valve gap 102 is located at the inwall of described valve body 101 upper ends, and the center of described valve gap 102 is provided with through hole, and described valve rod 104 passes described through hole.
For guaranteeing the sealability of described pressure self-sealing cast steel gate valve, preferably, the inwall of described through hole is provided with packing ring 110, and described packing ring 110 tops are provided with cracking type seal cartridge 109 and filler flange 108 successively, and described filler flange 108 is installed on described valve body 101.
Preferably, the inwall of described valve body 101 upper ends is provided with circular groove, is provided with pendant collet 121 in described circular groove, described pendant collet 121 and described valve gap 102 close contacts.
Because described valve body 101 is formed in one, for ease of described pendant collet 121 is installed, preferably, described pendant collet 121 is for being divided into the annulus of the quartering.
For reaching self-sealing effect, the below of described pendant collet 121 and be provided with successively packing ring 120 and seal ring 119 between described valve body 101 and described valve gap 102, when valve opening, described valve body 101 internal pressures increase, produce thrust upwards and pass to described valve gap 102, described valve gap 102 and described seal ring 119 are under pressure and produce airtightly, and both pressure is passed to securing pendant collet 121 again, thereby reaches self-sealing effect.
For the motion state that guarantees described flashboard is steady, preferably, the lower end of described valve rod 104 is provided with flashboard 105, and the both sides of described flashboard 105 are provided with projection, and described valve body 101 is provided with the guide rail 107 that adapts with described projection.
Preferably, described valve rod 104 is provided with key 124, and described slide bar 123 is installed on described valve rod 104 by described key 124.
The working principle of the pressure self-sealing cast steel gate valve of present embodiment is: when the needs Open valve, by the described valve rod of described valve rod drive unit drives, make described slide bar be positioned at the highest point of slotted hole, this moment, described pressure self-sealing cast steel gate valve was in opening state; When the needs throttle down, by the described valve rod of described valve rod drive unit drives, make described slide bar be positioned at the lowest part of slotted hole, this moment, described pressure self-sealing cast steel gate valve was in opening state.
Above mode of execution only is used for explanation the utility model; and be not limitation of the utility model; the those of ordinary skill in relevant technologies field; in the situation that do not break away from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all technological schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (8)
1. pressure self-sealing cast steel gate valve, it is characterized in that, described pressure self-sealing cast steel gate valve comprises: valve body, valve rod and support, described support is installed on described valve body, vertically be provided with slotted hole on described support, described valve rod is fixed with slide bar, and described slide bar passes described slotted hole.
2. pressure self-sealing cast steel gate valve as claimed in claim 1, is characterized in that, described pressure self-sealing cast steel gate valve also comprises: the valve rod driver element that is used for driving described valve rod.
3. pressure self-sealing cast steel gate valve as claimed in claim 1, it is characterized in that, described pressure self-sealing cast steel gate valve also comprises: valve gap, and described valve gap is located at the inwall of described valve body upper end, the center of described valve gap is provided with through hole, and described valve rod passes described through hole.
4. pressure self-sealing cast steel gate valve as claimed in claim 3, is characterized in that, the inwall of described through hole is provided with packing ring, is provided with successively cracking type seal cartridge and filler flange above described packing ring, and described filler flange is installed on described valve body.
5. pressure self-sealing cast steel gate valve as claimed in claim 3, is characterized in that, the inwall of described valve body upper end is provided with circular groove, is provided with pendant collet in described circular groove, described pendant collet and described valve gap close contact.
6. pressure self-sealing cast steel gate valve as claimed in claim 5, is characterized in that, described pendant collet is the annulus that is divided into the quartering.
7. pressure self-sealing cast steel gate valve as claimed in claim 5, is characterized in that, the below of described pendant collet and be provided with successively packing ring and seal ring between described valve body and described valve gap.
8. pressure self-sealing cast steel gate valve as described in any one in claim 1 ~ 7, is characterized in that, the lower end of described valve rod is provided with flashboard, and the both sides of described flashboard are provided with projection, and described valve body is provided with the guide rail that adapts with described projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220663618 CN203009876U (en) | 2012-12-05 | 2012-12-05 | Pressure self-sealing cast steel sluice valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220663618 CN203009876U (en) | 2012-12-05 | 2012-12-05 | Pressure self-sealing cast steel sluice valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009876U true CN203009876U (en) | 2013-06-19 |
Family
ID=48601473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220663618 Expired - Fee Related CN203009876U (en) | 2012-12-05 | 2012-12-05 | Pressure self-sealing cast steel sluice valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899544A (en) * | 2018-06-19 | 2019-06-18 | 李乔利 | A kind of anti-leakage self sealing valve |
-
2012
- 2012-12-05 CN CN 201220663618 patent/CN203009876U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899544A (en) * | 2018-06-19 | 2019-06-18 | 李乔利 | A kind of anti-leakage self sealing valve |
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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: 20130619 Termination date: 20191205 |