CN203442311U - Self-sealing stop valve - Google Patents
Self-sealing stop valve Download PDFInfo
- Publication number
- CN203442311U CN203442311U CN201320498030.0U CN201320498030U CN203442311U CN 203442311 U CN203442311 U CN 203442311U CN 201320498030 U CN201320498030 U CN 201320498030U CN 203442311 U CN203442311 U CN 203442311U
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- CN
- China
- Prior art keywords
- self
- valve
- sealing
- stop valve
- valve 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 belongs to a stop valve and especially relates to the stop valve with a self-sealing function. The self-sealing stop valve comprises a valve body, a valve clack, a valve cover, a hand wheel and a self-sealing device. The self-sealing device comprises a self-sealing circle and a self-sealing ring. The valve clack is arranged on the valve body. The valve clack is connected with the hand wheel via a valve rod. The connection part between the valve rod and the hand wheel is provided with a tightening nut. The self-sealing device is arranged in the interior of the valve cover. The upper portion of the valve rod is provided with a valve rod nut. The lower end of the valve rod nut is provided with a pressure plate. The self-sealing circle is arranged on the valve rod. The self-sealing ring is fixed on the self-sealing circle. The self-sealing device is wrapped inside by the valve cover. Compared with the conventional stop valve, a self-sealing effect of the stop valve is exerted and a functional effect of the stop valve is greatly improved. Additionally, the self-sealing stop valve is simple in structure, high in practicality and low in production cost and is suitable for popularization and application of like products.
Description
Technical field
The utility model belongs to a kind of stop valve, specifically a kind of stop valve with self-sealing function.
Background technique
The open-shut device of stop valve (stop valve, Globe 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, also has lifting rotation rod-type, and stop valve refers to the valve that closure member moves along valve seat center line.According to this mobile form of flap, the variation of valve seat port is and flap stroke relation in direct ratio.Because valve rod unlatching or the shutoff stroke of such valve are relatively short, and there is cutting function very reliably, due to the variation of valve seat port and the stroke of flap relation in direct ratio, be very suitable for the adjusting to flow again.Therefore, such stop valve valve that dams is suitable as cut-out or adjusting and throttling use very much.
But, stop valve of the prior art, also very poor in sealability, weakened the function of stop valve.Sealability plays vital effect in stop valve, therefore, needs technical progress, and structural improvement, makes the sealability of stop valve better.
Model utility content
The purpose of this utility model is in order to solve deficiency of the prior art, and a kind of stop valve with self-sealing function is provided.
The utility model comprises valve body, flap, valve gap, handwheel, self-seal device, wherein self-seal device comprises selfsealings circle, pressure sealing ring, flap is arranged on valve body, flap is connected with handwheel by valve rod, described valve rod and handwheel joint are provided with deflation nut, described self-seal device is arranged on valve gap inside, and the top of valve rod is provided with Stem Mut, and the lower end of Stem Mut is provided with pressing plate.
Selfsealings circle of the present utility model is arranged on valve rod, and pressure sealing ring is fixed on selfsealings circle, and valve gap is wrapped in the inside by self-seal device.
Pressing plate of the present utility model bottom is connected with gland, and described pressing plate is connected with valve gap by pin.
Gland of the present utility model lower end is also provided with filler device.
The utility model is a kind of stop valve with self-sealing function, compares with traditional stop valve, and the utility model can be realized the selfsealings effect of stop valve, has greatly strengthened the functional effect of stop valve.In addition, the utility model is simple in structure, practical, and fabricating cost is not high, and this product is adapted at promoting the use of in like product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, valve body; 2, flap; 3, valve rod; 4, selfsealings circle; 5, pressure sealing ring; 6, valve gap; 7, pressing plate; 8, gland; 9, handwheel; 10, tighten nut.
Embodiment
For making the technical solution of the utility model and feature clearer, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.At this, following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the utility model comprises valve body 1, flap 2, valve gap 6, handwheel 9, self-seal device, wherein self-seal device comprises selfsealings circle 4, pressure sealing ring 5, flap 2 is arranged on valve body 1, flap 2 is connected with handwheel 9 by valve rod 3, described self-seal device is arranged on valve gap 6 inside, and the top of valve rod 3 is provided with Stem Mut, and the lower end of Stem Mut is provided with pressing plate 7.
Selfsealings circle 4 of the present utility model is arranged on valve rod 3, and pressure sealing ring 5 is fixed on selfsealings circle 4, and valve gap 6 is wrapped in the inside by self-seal device.Self-seal device is key technology of the present utility model, in concrete application, by handwheel 9, drives the flap 2 being connected with valve rod 3 to realize switch, the closure of stop valve.After stop valve closure, self-seal device can effectively be realized sealing function, has improved the functional effect of stop valve.
Pressing plate of the present utility model 7 bottoms are connected with gland 8, and described pressing plate 7 is connected with valve gap 6 by pin.
Valve rod 3 of the present utility model is provided with and tightens nut 10 with handwheel 9 joints, and this structural design facilitates the adjusting of 9 pairs of valve rods 3 of handwheel.Described gland 8 lower ends are also provided with filler device.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to mode of execution of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give all mode of executions exhaustive.Every still row in protection domain of the present utility model of apparent variation that the technical solution of the utility model extends out or change that belong to.
Claims (5)
1. self-sealing stop valve, comprise valve body, flap, valve gap, handwheel, self-seal device, it is characterized in that described self-seal device comprises selfsealings circle, pressure sealing ring, flap is arranged on valve body, flap is connected with handwheel by valve rod, and described valve rod and handwheel joint are provided with deflation nut, and described self-seal device is arranged on valve gap inside, the top of valve rod is provided with Stem Mut, and the lower end of Stem Mut is provided with pressing plate.
2. self-sealing stop valve according to claim 1, is characterized in that described selfsealings circle is arranged on valve rod, and pressure sealing ring is fixed on selfsealings circle, and valve gap is wrapped in the inside by self-seal device.
3. self-sealing stop valve according to claim 1, is characterized in that described pressing plate bottom is connected with gland.
4. self-sealing stop valve according to claim 1, is characterized in that described pressing plate is connected with valve gap by pin.
5. self-sealing stop valve according to claim 3, is characterized in that described gland lower end is also provided with filler device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498030.0U CN203442311U (en) | 2013-08-16 | 2013-08-16 | Self-sealing stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498030.0U CN203442311U (en) | 2013-08-16 | 2013-08-16 | Self-sealing stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203442311U true CN203442311U (en) | 2014-02-19 |
Family
ID=50093368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320498030.0U Expired - Fee Related CN203442311U (en) | 2013-08-16 | 2013-08-16 | Self-sealing stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203442311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089062A (en) * | 2014-07-07 | 2014-10-08 | 江苏华太电力仪表有限公司 | Cutting ferrule stop valve |
-
2013
- 2013-08-16 CN CN201320498030.0U patent/CN203442311U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089062A (en) * | 2014-07-07 | 2014-10-08 | 江苏华太电力仪表有限公司 | Cutting ferrule stop 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: 20140219 Termination date: 20160816 |