CN202992255U - Stop valve with elastic body partition part - Google Patents
Stop valve with elastic body partition part Download PDFInfo
- Publication number
- CN202992255U CN202992255U CN 201220730116 CN201220730116U CN202992255U CN 202992255 U CN202992255 U CN 202992255U CN 201220730116 CN201220730116 CN 201220730116 CN 201220730116 U CN201220730116 U CN 201220730116U CN 202992255 U CN202992255 U CN 202992255U
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- CN
- China
- Prior art keywords
- valve
- elastomer
- valve rod
- cuts
- driving block
- 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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Abstract
The utility model discloses a stop valve with an elastic body partition part. The stop valve comprises a valve body, a valve cover and a valve rod. The valve body and the valve cover form a valve rod cavity for arranging the valve rod, a feeding channel and discharging channel which are communicated with each other are arranged in the valve body, a valve seat is arranged in the valve body, and one end of the valve rod close to the valve seat is provided with a valve core. The elastic body partition part is arranged in the valve rod cavity, the middle of the elastic body partition part hunches towards the direction of the valve seat to form a partition part closing portion, the peripheral edge of the elastic body partition part is installed at the position of the valve cover, a drive block is embedded into the partition part closing portion, one side of the drive block is turned back to the valve seat to extend and penetrate through the partition part closing portion so as to form a drive block installing portion, and the drive block installing portion is fixed with the valve core. The elastic body partition part isolates the valve rod cavity and the channels, and fluid is prevented from flowing into the valve rod cavity. In addition, the elastic body partition part can serve as a seal part, additional seal parts are not required, a structure is simplified, and specific parameters can be optimized by building a mathematical model.
Description
Technical field
The utility model relates to the stop valve with elastomer partition part practical on a kind of fluid circuit.
Background technique
Stop valve is a kind of valve of forced seal, and the open-shut device of stop valve is the flap of stopper, and sealing surface is plane or the conical surface, and flap is along the center line moving linearly of valve seat.The forms of motion of valve rod is generally the lifting rotation rod-type.Because valve rod unlatching or the shutoff stroke of stop valve are relatively short, and have cutting function very reliably, due to the variation of valve seat port and the stroke relation in direct ratio of flap, be very suitable for the adjusting to flow again.Therefore, this stop valve is suitable as cut-out or adjusting and throttling use very much.
Existing stop valve is generally to utilize valve rod to be selected into from valve gap, and the whole valve inner of the general injection of the fluid in the fluid passage of valve inner, sealing under needs assurance valve body valve gap is brisk by relative movement, need to carry out to valve rod the structural type of motive sealing, this sealing means is difficult for sealing, easily reveal and complex structure, in addition, usually adopt the plane sealing form between closure member and valve seat, on sealing surface, the assorted slag of easy deposited particles, easily make sealing face damage affect sealing and the working life of stop valve.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides a kind of effective partition valve-rod cavity and fluid passage, good sealing effect, the stop valve that cuts off part with elastomer simple in structure.
To achieve these goals, the utility model has adopted following technological scheme:
a kind of stop valve that cuts off part with elastomer, comprise valve body, valve gap and valve rod, described valve body and valve gap form the valve-rod cavity that arranges for valve rod, be provided with the influent stream passage that is interconnected in described valve body and go out circulation road, described valve body is at the influent stream passage and go out the circulation road place of being interconnected and be provided with valve seat, described valve rod is provided with spool near an end of valve seat, be provided with elastomer in described valve-rod cavity and cut off part, swell to the valve seat direction at the middle part of described elastomer partition part, form the partition part and close section, the week that described elastomer cuts off part is along being arranged on the valve gap place, described partition spare is closed and is embedded with driving block in section, one side of described driving block is extended and the partition spare that passes elastomer partition part is closed section towards a side that deviates from valve seat, form the driving block assembly department, described driving block assembly department and the fixed installation of described spool.
As preferably, all sides that described elastomer cuts off part are fixedly mounted between valve gap and valve body.After adopting above-mentioned preferred version, described elastomer cuts off part due to himself spring function, can play seal action is played in the bearing at stop valve body and valve gap place, need not other Sealings, has simplified the structure of stop valve.
As preferably, the hard-wired driving block assembly department of described driving block and spool is cylindric, and described driving block assembly department is outside equipped with the driving outside thread, and described spool is provided with by a side of driving block the spool tapped hole that screws in for driving block.After adopting above-mentioned preferred version, driving block adopts the mode of screw thread to be fixedly connected with spool, and is more firm.
As preferably, described spool is provided with can be for the valve rod mounting hole of valve rod insertion, be provided with seal ring between described valve rod and valve rod mounting hole, described valve rod mounting hole is provided with snap ring by an end of valve rod, and described valve rod and snap ring corresponding position are provided with annular slot.After adopting above-mentioned preferred version, adopt the mode of fixture block to fixedly mount between valve rod and spool and be connected, install more firm.
As preferably, described valve rod passes valve gap away from an end of spool, and passes valve gap end setting operation handwheel at valve rod.After adopting above-mentioned preferred version, the operation that personnel easy to use are set of operation handwheel operates simpler, laborsaving.
As preferably, described influent stream passage is provided with the import mounting flange away from a side that goes out circulation road, describedly goes out circulation road and is provided with the outlet mounting flange away from a side of influent stream passage.After adopting above-mentioned preferred version, of the present utility modelly cut off the easier for installation of the stop valve of part and pipeline with elastomer.
As preferably, the material that described elastomer cuts off part is rubber.After adopting above-mentioned preferred version, the fabricating cost that rubber elastomer cuts off part is cheaper, and elasticity is better.
Stop valve employing elastomer partition part and the common closure member as closing valve seat of spool cooperation that cuts off part with elastomer of the present utility model, elastomer cuts off part with valve-rod cavity and fluid passage isolation, avoid fluid to enter valve-rod cavity, thereby avoid fluid to reveal between valve gap and valve body, simultaneously, elastomer cuts off part and can be used as Sealing, need not other Sealing, structure is simplified more, and arranging of design parameter can be optimized by setting up mathematical model.
Description of drawings
Fig. 1 is the utility model embodiment's structural representation.
Embodiment
As shown in Figure 1, embodiment of the present utility model is a kind of stop valve that cuts off part with elastomer specifically, comprises valve body 1, valve gap 2 and valve rod 3.Valve body 1 forms with valve gap 2 valve-rod cavity 11 that arranges for valve rod 3, is provided with the influent stream passage 12 that is interconnected in valve body 1 and goes out circulation road 13.Valve body 1 is at influent stream passage 12 and go out circulation road 13 places of being interconnected and be provided with valve seat 14, and an end of valve rod 3 close valve seats 14 is provided with spool 4.Be provided with elastomer in valve-rod cavity 11 and cut off part 5, elastomer cuts off the middle part of part 5 to valve seat 14 direction protuberances, form the partition part and close section 51, the week that elastomer cuts off part 5 is along being arranged on valve gap 2 places, the partition part is closed and is embedded with driving block 52 in section 51, one side of driving block 52 is extended and is passed towards a side that deviates from valve seat 14 the partition spare that elastomer cuts off part 5 and closes section 51, forms driving block assembly department 521, and driving block assembly department 521 fixedly mounts with spool 4.
All sides that elastomer cuts off part 5 are fixedly mounted between valve gap 2 and valve body 1.The material that elastomer cuts off part 5 is rubber.Driving block 52 is cylindric with the hard-wired driving block assembly department 521 of spool 4, and driving block assembly department 521 is outside equipped with the driving outside thread, and spool 4 is provided with by a side of driving block 52 the spool tapped hole 41 that screws in for driving block 52.
Spool 4 is provided with the valve rod mounting hole 42 that can insert for valve rod 3, and 42 of valve rod 3 and valve rod mounting holes are provided with seal ring 43, and valve rod mounting hole 42 is provided with snap ring 44 by an end of valve rod 3, and valve rod 3 and snap ring 44 corresponding positions are provided with annular slot 31.Valve rod 3 passes valve gap 2 away from an end of spool 4, and passes valve gap 2 end setting operation handwheels 6 at valve rod 3.
The working principle of the working principle of the stop valve that cuts off part with elastomer of the present utility model and the stop valve of prior art is basic identical, difference is: stop valve of the present utility model adopts elastomer to cut off part 5, with valve-rod cavity 11 with influent stream passage 121 with go out circulation road 131 and keep apart, avoid stop valve influent stream passage 121 and the leakage that goes out circulation road 131 inner fluids, saved simultaneously the setting of other Sealings, structure is simpler.
Claims (7)
1. stop valve that cuts off part with elastomer, comprise valve body, valve gap and valve rod, described valve body and valve gap form the valve-rod cavity that arranges for valve rod, be provided with the influent stream passage that is interconnected in described valve body and go out circulation road, described valve body is at the influent stream passage and go out the circulation road place of being interconnected and be provided with valve seat, described valve rod is provided with spool near an end of valve seat, it is characterized in that: be provided with elastomer in described valve-rod cavity and cut off part, swell to the valve seat direction at the middle part of described elastomer partition part, form the partition part and close section, the week that described elastomer cuts off part is along being arranged on the valve gap place, described partition spare is closed and is embedded with driving block in section, one side of described driving block is extended and the partition spare that passes elastomer partition part is closed section towards a side that deviates from valve seat, form the driving block assembly department, described driving block assembly department and the fixed installation of described spool.
2. the stop valve that cuts off part with elastomer according to claim 1, it is characterized in that: all sides that described elastomer cuts off part are fixedly mounted between valve gap and valve body.
3. the stop valve that cuts off part with elastomer according to claim 1, it is characterized in that: the hard-wired driving block assembly department of described driving block and spool is cylindric, described driving block assembly department is outside equipped with the driving outside thread, and described spool is provided with by a side of driving block the spool tapped hole that screws in for driving block.
4. according to claim 1 or 3 described stop valves that cut off part with elastomer, it is characterized in that: described spool is provided with can be for the valve rod mounting hole of valve rod insertion, be provided with seal ring between described valve rod and valve rod mounting hole, described valve rod mounting hole is provided with snap ring by an end of valve rod, and described valve rod and snap ring corresponding position are provided with annular slot.
5. the stop valve that cuts off part with elastomer according to claim 1, it is characterized in that: described valve rod passes valve gap away from an end of spool, and passes valve gap end setting operation handwheel at valve rod.
6. the stop valve that cuts off part with elastomer according to claim 1, it is characterized in that: described influent stream passage is provided with the import mounting flange away from a side that goes out circulation road, describedly goes out circulation road and is provided with the outlet mounting flange away from a side of influent stream passage.
7. the stop valve that cuts off part with elastomer according to claim 1 and 2, it is characterized in that: the material that described elastomer cuts off part is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730116 CN202992255U (en) | 2012-12-26 | 2012-12-26 | Stop valve with elastic body partition part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730116 CN202992255U (en) | 2012-12-26 | 2012-12-26 | Stop valve with elastic body partition part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202992255U true CN202992255U (en) | 2013-06-12 |
Family
ID=48563436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220730116 Expired - Fee Related CN202992255U (en) | 2012-12-26 | 2012-12-26 | Stop valve with elastic body partition part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202992255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764147A (en) * | 2017-11-09 | 2019-05-17 | 斯瓦戈洛克公司 | Diaphragm valve with metal seat valve |
-
2012
- 2012-12-26 CN CN 201220730116 patent/CN202992255U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764147A (en) * | 2017-11-09 | 2019-05-17 | 斯瓦戈洛克公司 | Diaphragm valve with metal seat 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 |
Granted publication date: 20130612 Termination date: 20181226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |