CN205978480U - Hand stop valve with sealed compensation - Google Patents
Hand stop valve with sealed compensation Download PDFInfo
- Publication number
- CN205978480U CN205978480U CN201620893765.7U CN201620893765U CN205978480U CN 205978480 U CN205978480 U CN 205978480U CN 201620893765 U CN201620893765 U CN 201620893765U CN 205978480 U CN205978480 U CN 205978480U
- Authority
- CN
- China
- Prior art keywords
- valve
- hole
- hand stop
- valve seat
- valve rod
- 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 hand stop valve with sealed compensation, including valve body, disk seat, valve rod, valve gap and case, the valve rod is connected with valve seat seal through packing, and the dress valve gap is joined in marriage to the disk seat tip, is provided with gland between valve gap and the disk seat, pack with gland between, all be connected through elastic component between valve rod and the case. Can know from this: the utility model discloses be connected through elastic component between valve rod and the case, it is closed with the valve body that adjusting valve stem, case pass through elastic component, realizes the valve and close sealed (inside seal) compensation. Therefore, the utility model discloses specially adapted long service life, the temperature variation is big, and requires the difficult occasion that takes place the leakage.
Description
Technical field
The utility model discloses a kind of hand stop valve.
Background technology
Threaded between the valve rod of existing hand stop valve and valve seat, valve rod rotates in valve seat by means of screw thread and upper and lower
Mobile, realize the opening and closing of stop valve.In order to prevent the external leakage of medium, valve rod must seal, and arrange and fill out in valve seat
Material letter, fills up whippy soft-filler in stuffing-box, so that valve rod is rotated in valve seat and not leak, but because valve rod turns
, by the change of temperature or because vibration causes breathing, time length can form gap generation external leakage for the abrasion of dynamic filler and filler.Valve
The interior sealing of door is by valve rod pressed spool, is realized by the thrust of valve element and valve seat, but life-time service can be because of temperature
Change cause valve rod to expand with heat and contract with cold or vibrate generation stress relaxation, the thrust of valve element and valve seat not, and produces in valve
Dielectric leakage.
Content of the invention
The purpose of this utility model is for above-mentioned deficiency, proposes a kind of hand stop valve with sealing compensation, realizes
Valve stem seal (external seal) compensates and valve closing (interior sealing) compensates, and is particularly well-suited to long service life, and temperature change is big,
And require the occasion being not susceptible to leak.
For realizing above-mentioned technical purpose, this utility model will take following technical scheme：
A kind of hand stop valve with sealing compensation, including valve body, valve seat, valve rod, valve gap and valve element；Valve rod passes through
Filler is connected with valve base sealing, and valve seat end is equipped with valve gap, is provided with gland between valve gap and valve seat, described filler with fill out
Between material gland, all it is connected by elastic partss between valve rod and valve element.
As further improvement of the utility model, the elastic partss between described filler and gland include pad with
And it is arranged on the butterfly spring a between pad.
As further improvement of the utility model, described filler adopts multilayer mats chip filling-material structure, including some
Individual filling block.
As further improvement of the utility model, valve seat opens up through hole along axis, and valve seat outer wall is integrated setting
Three stage structure, including middle part boss section and set up the first linkage section in middle part boss section both sides, the second linkage section separately；First
Linkage section, the external diameter of the second linkage section are respectively less than the external diameter of middle part boss section, and the first linkage section outer wall is coordinated even by screw thread
The mode connecing and gland nut are connected, and the second linkage section outer wall is then connected with valve body by way of screw thread is connected
Connect；The middle part boss section of valve seat is supported on the support level of setting on valve body, and boss section and valve body supporting table in the middle part of valve seat
It is provided with pad b between rank.
As further improvement of the utility model, one end of valve rod is connected with handwheel, and the other end is then provided with valve
Core, one end of valve element is the conical surface, and the other end of valve element is arranged to the axle with step, equipped with disk spring b on axle；In addition, institute
State the outer wall of valve rod to be connected with the through hole whorl that opened up in valve seat by way of screw thread is connected.
As further improvement of the utility model, in described valve seat, set through hole is three stage structure, including place
Screwed hole at medium position and set up the first unthreaded hole in screwed hole both sides, the second unthreaded hole, and the outer wall of described valve rod separately
It is connected with screwed hole by way of screw thread is connected；The internal diameter of described screwed hole is less than the internal diameter of the first unthreaded hole, and filler props up
Support is in the first unthreaded hole, and is supported on the step at screwed hole and the first unthreaded hole boundary position.
According to above-mentioned technical scheme, with respect to prior art, this utility model has following beneficial effect：
1st, increased dish-shaped flexible member in packing seal (external seal) structure, so that flexible filler is protected all the time by elastic force
Hold impaction state, compensate for that valve rod rotates filler abrasion, filler is caused breathing, causes gland because of vibration by the change of temperature
Loosening of thrust, leaks thus avoiding and producing external seal.
2nd, increased dish-shaped flexible member in valve rod and valve core chamber, the change that compensate for seal spool (interior sealing) temperature is made
Become valve rod valve element to expand with heat and contract with cold or vibrate generation stress relaxation, it is to avoid valve element reduces generation leakage to valve body thrust.
Brief description
Fig. 1 is structural representation of the present utility model；
Wherein：1, nut；2, pad；3, handwheel；4, valve rod；5, gland nut；6, gland；7, pad a；8, butterfly
Spring a；9, filler；10, pad b；11, valve seat；12, butterfly spring b；13, valve element；14, valve body.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
Any restriction that is new and its applying or use.Based on the embodiment in this utility model, those of ordinary skill in the art are not having
There is the every other embodiment being obtained under the premise of making creative work, broadly fall into the scope of this utility model protection.Unless
In addition illustrate, the part otherwise illustrating in these embodiments and step positioned opposite.Expression formula and numerical value do not limit
Scope of the present utility model.Simultaneously it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not
It is to draw according to actual proportionate relationship.Possible for technology, method and apparatus known to person of ordinary skill in the relevant
It is not discussed in detail, but in the appropriate case, described technology, method and apparatus should be considered to authorize a part for description.
In all examples with discussion shown here, any occurrence should be construed as merely exemplary, not as limit
System.Therefore, the other examples of exemplary embodiment can have different values.
For the ease of description, space relative terms can be used here, such as " ... on ", " ... top ",
" in ... upper surface ", " above " etc., for describing as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms be intended to comprise except device in figure described by orientation
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
Part or construction above " or " other devices or construction on " device after will be positioned as " other devices or construction under
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.This device can also other different modes positioning (ratating 90 degrees or be in other orientation).
As shown in figure 1, the hand stop valve with sealing compensation described in the utility model, including valve body, valve seat, pressure
Lid, valve rod and valve element；Valve rod is connected with valve base sealing by filler, between described filler and gland by elastic partss even
Connect.Described elastic partss include pad and are arranged on the butterfly spring a between pad.Described filler adopts multi-layer gasket
Formula filling-material structure, including several filling blocks.Suitably increase stuffing-box length, filling flexible filler in stuffing-box, on filler
Side disposes pad 7, butterfly spring 8 and gland 6, compresses filler by gland nut 5, and the elastic force release compensation by disk spring is filled out
Expect the lax of thrust.
Valve seat opens up through hole along axis, and valve seat outer wall is integrated the three stage structure of setting, including middle part boss section with
And set up the first linkage section in middle part boss section both sides, the second linkage section separately；First linkage section, the second linkage section external diameter all little
In the external diameter of middle part boss section, and the first linkage section outer wall is connected with gland nut by way of screw thread is connected,
And the second linkage section outer wall is then connected with valve body by way of screw thread is connected；The middle part boss section of valve seat is supported on valve body
On the support level of upper setting, and in the middle part of valve seat, between boss section and valve body support level, it is provided with pad b.
One end of valve rod is connected with handwheel, and the other end is then provided with valve element, and one end of valve element is the conical surface, valve closing
When the conical surface and valve body contact compression form cone sealing, the other end (valve element is at the position closed on valve rod) of valve element is arranged to carry
There is the axle of step, equipped with disk spring b on axle；In addition, the outer wall of described valve rod is by way of screw thread is connected and valve seat
Interior opened up through hole whorl is connected.During valve closing, disk spring is in impaction state, and the elastic force by disk spring is released
Put and compensate the lax of thrust.
In described valve seat, set through hole is three stage structure, including the screwed hole being at medium position and set up separately
In the first unthreaded hole, second unthreaded hole of screwed hole both sides, and the outer wall of described valve rod is by way of screw thread is connected and screw thread
Hole connects；The internal diameter of described screwed hole is less than the internal diameter of the first unthreaded hole, and packing support is in the first unthreaded hole, and is supported on screw thread
On step at hole and the first unthreaded hole boundary position.
Claims (6)
1. a kind of hand stop valve with sealing compensation, including valve body, valve seat, valve rod, valve gap and valve element；
Valve rod is connected with valve base sealing by filler, and valve seat end is equipped with valve gap, is provided with gland between valve gap and valve seat,
It is characterized in that, between described filler and gland, all it is connected by elastic partss between valve rod and valve element.
2. the hand stop valve with sealing compensation according to claim 1 is it is characterised in that described filler and filler pressure
Elastic partss between lid include pad and are arranged on the butterfly spring a between pad.
3. the hand stop valve with sealing compensation according to claim 1 is it is characterised in that described filler is using many
Layer gasket type filling-material structure, including several filling blocks.
4. the hand stop valve with sealing compensation according to claim 1 it is characterised in that valve seat open up along axis logical
Hole, and valve seat outer wall is integrated the three stage structure of setting, including middle part boss section and set up separately in middle part boss section both sides
First linkage section, the second linkage section；First linkage section, the external diameter of the second linkage section are respectively less than the external diameter of middle part boss section, and the
One linkage section outer wall is connected with gland nut by way of screw thread is connected, and the second linkage section outer wall then passes through spiral shell
The mode that stricture of vagina is connected is connected with valve body；The middle part boss section of valve seat is supported on the support level of setting on valve body, and valve
It is provided with pad b between seat middle part boss section and valve body support level.
5. the hand stop valve with sealing compensation according to claim 1 or 4 it is characterised in that one end of valve rod with
Handwheel connects, and the other end is then provided with valve element, and one end of valve element is the conical surface, and the other end of valve element is arranged to step
Axle, equipped with disk spring b on axle；In addition, the outer wall of described valve rod is opened up with valve seat by way of screw thread is connected
Through hole whorl be connected.
6. the hand stop valve with sealing compensation according to claim 5 is it is characterised in that set in described valve seat
Through hole be three stage structure, including the screwed hole being at medium position and set up separately the first unthreaded hole in screwed hole both sides,
Second unthreaded hole, and the outer wall of described valve rod is connected with screwed hole by way of screw thread is connected；The internal diameter of described screwed hole
Less than the internal diameter of the first unthreaded hole, packing support is in the first unthreaded hole, and is supported at screwed hole and the first unthreaded hole boundary position
Step on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620893765.7U CN205978480U (en) | 2016-08-17 | 2016-08-17 | Hand stop valve with sealed compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620893765.7U CN205978480U (en) | 2016-08-17 | 2016-08-17 | Hand stop valve with sealed compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978480U true CN205978480U (en) | 2017-02-22 |
Family
ID=58031003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620893765.7U Expired - Fee Related CN205978480U (en) | 2016-08-17 | 2016-08-17 | Hand stop valve with sealed compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090246A (en) * | 2016-08-17 | 2016-11-09 | 江苏海纳机电集团有限公司 | A kind of hand stop valve with sealing compensation |
-
2016
- 2016-08-17 CN CN201620893765.7U patent/CN205978480U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090246A (en) * | 2016-08-17 | 2016-11-09 | 江苏海纳机电集团有限公司 | A kind of hand stop valve with sealing compensation |
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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: 20170222 Termination date: 20190817 |