CN206503949U - A kind of inner screw thread gate valve - Google Patents
A kind of inner screw thread gate valve Download PDFInfo
- Publication number
- CN206503949U CN206503949U CN201720198330.5U CN201720198330U CN206503949U CN 206503949 U CN206503949 U CN 206503949U CN 201720198330 U CN201720198330 U CN 201720198330U CN 206503949 U CN206503949 U CN 206503949U
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- China
- Prior art keywords
- capsul
- valve body
- threaded rod
- screw thread
- valve
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Abstract
The utility model provides a kind of inner screw thread gate valve, including threaded rod, upper capsul, lower capsul, rubber piston, airtight and watertight padding, compression spring, press pad, screen pack, slide annulus, support bar, cylinder and limited post, the upper capsul lower end is installed by lower capsul, assemble rubber piston in the threaded rod lower end, the airtight and watertight padding is assemblied on threaded rod, the pressing pad piece is assemblied on threaded rod, the pressing pad lower end connection compression spring, the compression spring and pressing pad are arranged in capsul, the design improves sealing effectiveness, the screen pack lower end, which is fixed, slides annulus, the slip annulus is arranged on limited post, cylinder is fixed in the limited post lower end, two support bars are symmetrically mounted on cylinder upper end, the design can carry out current limliting to liquid, the utility model is easy to use, it is easy to operation, good sealing effect, current limliting can be carried out to liquid, stability is good, reliability is high.
Description
Technical field
The utility model is a kind of inner screw thread gate valve, belongs to pipeline valve apparatus field.
Background technology
Inner screw thread gate valve, is also pipe valve, is a kind of most popular valve, belong to forced seal formula valve, and it is closed
It is to rely on valve stem pressure to close principle, valve clack sealing surface is brought into close contact with sealing surface of seat, prevents flow of media.
Existing inner screw thread gate valve to liquid when sealing, due to using for a long time, easily causes valve plate abrasion
Aggravation, so as to cause sealing effectiveness to reduce, reduces its service life, existing inner screw thread gate valve does not have liquid stopping means,
Lead to not carry out Current limited Control to the liquid of flowing, so that internal threads gate valve causes certain flowing pressure, influence it
Normally use, it is relatively low using scope.
Utility model content
In view of the deficienciess of the prior art, the utility model purpose is to provide a kind of inner screw thread gate valve, it is above-mentioned to solve
The problem of being proposed in background technology, the utility model is easy to use, is easy to operation, and good sealing effect can carry out current limliting to liquid,
Stability is good, and reliability is high.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of inner screw thread gate valve,
Including valve handle, sealing mechanism, valve body and position-limit mechanism, sealing mechanism is installed in the valve handle lower end, and the sealing mechanism is set
On valve body upper end, the valve body lower end assembles position-limit mechanism, and the sealing mechanism includes threaded rod, upper capsul, lower sealing
Lower capsul is installed in shell, rubber piston, airtight and watertight padding, compression spring and pressing pad, the upper capsul lower end, it is described under
Capsul is arranged on valve body upper end, and the threaded rod upper end connects valve handle, and the threaded rod is arranged on valve body, the threaded rod
Rubber piston is assembled in lower end, and the rubber piston is arranged on valve inner bottom, and the airtight and watertight padding is arranged on valve body, described
Airtight and watertight padding is assemblied on threaded rod, and the threaded rod is connected by airtight and watertight padding with valve body, and the pressing pad piece is assemblied in
On threaded rod, the pressing pad lower end connection compression spring, the compression spring is arranged on valve body upper end, the compression spring
And pressing pad be arranged in capsul, the position-limit mechanism include screen pack, slide annulus, support bar, cylinder with
And limited post, the screen pack lower end, which is fixed, slides annulus, and the slip annulus is arranged on limited post, the screen pack, cunning
Dynamic annulus and limited post are arranged in valve body, and cylinder is fixed in the limited post lower end, and the support bar is provided with two, two
The support bar is symmetrically mounted on cylinder upper end, and the valve body lower end is provided with two support bars, and the cylinder passes through limited post
It is connected with valve body.
Further, rubber sleeve is installed on the valve handle.
Further, it is machined with internal thread hole in the airtight and watertight padding.
Further, the rubber piston outer end is provided with anticorrosion plate.
Further, the upper capsul is connected through a screw thread with lower capsul.
Further, the lower capsul is connected by ring flange with valve body.
The beneficial effects of the utility model：A kind of inner screw thread gate valve of the present utility model, the utility model is by adding spiral shell
Rasp bar, upper capsul, lower capsul, rubber piston, airtight and watertight padding, compression spring and pressing pad, the design improve valve
The sealing effectiveness of body, while can repeatedly be sealed, reduces the seal pressure of piston, improves the use longevity of sealing mechanism
Life, solves existing inner screw thread gate valve when being sealed to liquid, due to using for a long time, easily causes valve plate abrasion
Aggravation, so that cause sealing effectiveness to reduce, the problem of reducing its service life.
The utility model is by adding cylinder and limited post, and the design can carry out current limliting to liquid, reduce in valve body
The flowing pressure of liquid, improves the service life of valve body, applied widely, and solving existing inner screw thread gate valve does not have liquid
Stopping means, leads to not carry out Current limited Control to the liquid of flowing, so that internal threads gate valve causes certain flowing pressure
Power, using scope it is relatively low the problem of, because of addition screen pack and slide annulus, the design is easy to carry out the impurity in liquid
Filter, because of addition support bar, the design is easy to be supported cylinder and fix.
Because of addition rubber sleeve, the design improves comfort level, because of addition internal thread hole, and the design is easy to rotate threaded rod,
Because of addition anticorrosion plate, the design improves anticorrosion ability, and the utility model is easy to use, is easy to operate, good sealing effect,
Current limliting can be carried out to liquid, stability is good, reliability is high.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Levy, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of inner screw thread gate valve of the utility model；
Fig. 2 is a kind of structure left view of inner screw thread gate valve of the utility model；
Fig. 3 is the schematic diagram of sealing mechanism in a kind of inner screw thread gate valve of the utility model；
Fig. 4 is the schematic diagram of position-limit mechanism in a kind of inner screw thread gate valve of the utility model；
In figure：Under 1- valve handles, 2- sealing mechanisms, 3- valve bodies, 4- position-limit mechanisms, 21- threaded rods, the upper capsuls of 22-, 23-
Capsul, 24- rubber pistons, 25- airtight and watertight paddings, 26- compression springs, 27- pressing pad, 41- screen packs, 42- slide annulus,
43- support bars, 44- cylinders, 45- limited posts.
Embodiment
To be easy to understand technological means, creation characteristic, reached purpose and effect of the utility model realization, below
With reference to embodiment, the utility model is expanded on further.
Fig. 1-Fig. 4 is referred to, the utility model provides a kind of technical scheme：A kind of inner screw thread gate valve, including it is valve handle 1, close
Sealing mechanism 2 is installed in sealing mechanism 2, valve body 3 and position-limit mechanism 4, the lower end of valve handle 1, and sealing mechanism 2 is arranged on the upper end of valve body 3,
Assemble position-limit mechanism 4 in the lower end of valve body 3.
Sealing mechanism 2 includes threaded rod 21, upper capsul 22, lower capsul 23, rubber piston 24, airtight and watertight padding 25, pressure
Lower capsul 23 is installed in contracting spring 26 and pressing pad 27, the upper lower end of capsul 22, and lower capsul 23 is arranged on valve body 3
End, the upper end of threaded rod 21 connection valve handle 1, threaded rod 21 is arranged on valve body 3, the lower end of threaded rod 21 assembling rubber piston 24, rubber
Glue piston 24 is arranged on the inner bottom of valve body 3, and airtight and watertight padding 25 is arranged on valve body 3, and airtight and watertight padding 25 is assemblied in threaded rod 21
On, threaded rod 21 is connected by airtight and watertight padding 25 with valve body 3, and pressing pad 27 is assemblied on threaded rod 21, presses pad 27
Lower end connects compression spring 26, and compression spring 26 is arranged on the upper end of valve body 3, and compression spring 26 and pressing pad 27 are arranged at
In upper capsul 22, the design improves sealing effectiveness.
Position-limit mechanism 4 includes screen pack 41, slides annulus 42, support bar 43, cylinder 44 and limited post 45, screen pack 41
Lower end, which is fixed, slides annulus 42, slides annulus 42 and is arranged on limited post 45, screen pack 41, slip annulus 42 and limited post 45
It is arranged in valve body 3, cylinder 44 is fixed in the lower end of limited post 45, support bar 43 is provided with two, and two support bars 43 are symmetrically installed
In the upper end of cylinder 44, the lower end of valve body 3 is provided with two support bars 43, and cylinder 44 is connected by limited post 45 with valve body 3, and this sets
Meter can carry out current limliting to liquid.
Installed on valve handle 1 and internal thread hole is machined with rubber sleeve, airtight and watertight padding 25, the outer end of rubber piston 24 is provided with anti-
Etched plate, upper capsul 22 is connected through a screw thread with lower capsul 23, and the inner bottom of valve body 3 is machined with circular groove, and circular
Rubber piston 24 is installed on groove.
Embodiment：Before user of service needs to carry out current limliting to the liquid in valve body 3, first by personnel to this
Each parts of utility model are checked, check whether each parts have damage, are then changed if damaging, if intact
Then used, then user of service starts cylinder 44, the work of cylinder 44 drives limited post 45 to move up, and limited post 45 is upward
Mobile realize carries out current limliting to liquid, after limited post 45 is moved upwards up to proper height, closes cylinder 44, the design can be to liquid
Body carries out current limliting.
When user of service needs to seal valve body 3, user of service holds valve handle 1 and rotated, and valve handle 1 is rotated
Threaded rod 21 is driven to rotate, while threaded rod 21 is moved down, threaded rod 21 moves down drive rubber piston 24 and moved down,
Simultaneously threaded rod 21 move down drive pressing pad 27 move down, pressing pad 27 move down drive compression spring 26 to
Lower compression, after rubber piston 24 is in contact with valve body 3, stop operating valve handle 1, then capsul 22 in user of service's rotation,
The inner tip of capsul 22 is in contact with pressing pad 27 upper end in realization, and the design improves sealing effectiveness.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is by institute
Attached claim rather than described above are limited, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are included in the utility model.Any reference in claim should not be considered as to the right involved by limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (6)
1. a kind of inner screw thread gate valve, including valve handle（1）, sealing mechanism（2）, valve body（3）And position-limit mechanism（4）, its feature exists
In：The valve handle（1）Lower end is installed by sealing mechanism（2）, the sealing mechanism（2）It is arranged on valve body（3）On upper end, the valve body
（3）Assemble position-limit mechanism in lower end（4）；
The sealing mechanism（2）Including threaded rod（21）, upper capsul（22）, lower capsul（23）, rubber piston（24）, sealing
Filler（25）, compression spring（26）And pressing pad（27）, the upper capsul（22）Lower end is installed by lower capsul（23）, institute
State lower capsul（23）It is arranged on valve body（3）Upper end, the threaded rod（21）Upper end connects valve handle（1）, the threaded rod（21）
Installed in valve body（3）On, the threaded rod（21）Assemble rubber piston in lower end（24）, the rubber piston（24）It is arranged on valve body
（3）Inner bottom, the airtight and watertight padding（25）Installed in valve body（3）On, the airtight and watertight padding（25）It is assemblied in threaded rod（21）
On, the threaded rod（21）Pass through airtight and watertight padding（25）With valve body（3）It is connected, the pressing pad（27）It is assemblied in threaded rod
（21）On, the pressing pad（27）Lower end connects compression spring（26）, the compression spring（26）It is arranged on valve body（3）On
End, the compression spring（26）And pressing pad（27）It is arranged at capsul（22）It is interior；
The position-limit mechanism（4）Including screen pack（41）, slide annulus（42）, support bar（43）, cylinder（44）And limited post
（45）, the screen pack（41）Lower end, which is fixed, slides annulus（42）, the slip annulus（42）Installed in limited post（45）On, institute
State screen pack（41）, slide annulus（42）And limited post（45）It is arranged at valve body（3）It is interior, the limited post（45）Lower end is consolidated
Determine cylinder（44）, the support bar（43）Provided with two, two support bars（43）It is symmetrically mounted on cylinder（44）Upper end, institute
State valve body（3）Lower end is provided with two support bars（43）, the cylinder（44）Pass through limited post（45）With valve body（3）It is connected.
2. a kind of inner screw thread gate valve according to claim 1, it is characterised in that：The valve handle（1）Upper installation rubber sleeve.
3. a kind of inner screw thread gate valve according to claim 1, it is characterised in that：The airtight and watertight padding（25）On be machined with
Screwed hole.
4. a kind of inner screw thread gate valve according to claim 1, it is characterised in that：The rubber piston（24）Outer end is provided with
Anticorrosion plate.
5. a kind of inner screw thread gate valve according to claim 1, it is characterised in that：The upper capsul（22）With lower capsul
（23）It is connected through a screw thread.
6. a kind of inner screw thread gate valve according to claim 1, it is characterised in that：The lower capsul（23）Pass through ring flange
With valve body（3）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198330.5U CN206503949U (en) | 2017-03-02 | 2017-03-02 | A kind of inner screw thread gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198330.5U CN206503949U (en) | 2017-03-02 | 2017-03-02 | A kind of inner screw thread gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206503949U true CN206503949U (en) | 2017-09-19 |
Family
ID=59841991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720198330.5U Expired - Fee Related CN206503949U (en) | 2017-03-02 | 2017-03-02 | A kind of inner screw thread gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206503949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179598A (en) * | 2018-10-17 | 2019-01-11 | 天恒量子(厦门)科技集团有限公司 | A kind of quantum magnetization living water production apparatus |
-
2017
- 2017-03-02 CN CN201720198330.5U patent/CN206503949U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179598A (en) * | 2018-10-17 | 2019-01-11 | 天恒量子(厦门)科技集团有限公司 | A kind of quantum magnetization living water production apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |