CN205806666U - A kind of valve switch instruction device and valve - Google Patents
A kind of valve switch instruction device and valve Download PDFInfo
- Publication number
- CN205806666U CN205806666U CN201620670338.2U CN201620670338U CN205806666U CN 205806666 U CN205806666 U CN 205806666U CN 201620670338 U CN201620670338 U CN 201620670338U CN 205806666 U CN205806666 U CN 205806666U
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- CN
- China
- Prior art keywords
- valve
- gear
- firm banking
- instruction device
- valve switch
- 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.)
- Withdrawn - After Issue
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- Mechanically-Actuated Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
This utility model provides a kind of valve switch instruction device, including: firm banking；Cover the lid on firm banking；Driving gear, it is located on firm banking rotationally by rotating shaft, and rotating shaft activity is through firm banking and downwardly extends；Drive link, it is vertically extending, and the lower end of drive link has the connecting portion being fixedly and coaxially connected with valve rod or valve rod adapter, and the upper end of drive link coordinates drive to drive pinion rotation with rotating shaft；Driving gear component, it is arranged on firm banking and engages with driving gear；Instruction gear, it is rotatably arranged on lid and engages with driving gear component；Instruction parts, it is fixed on instruction gear with instruction pinion rotation.This utility model smart structural design, easy for installation, go for the valve that valve rod does not exposes is installed, highly versatile.The valve using this valve switch instruction device can allow operator observe understanding valve opening situation in time easily.
Description
Technical field
This utility model relates to a kind of valve switch instruction device and valve, a kind of valve for inside screw nonrising stem type gate valve
Switch indicating device and valve.
Background technology
In inside screw nonrising stem type gate valve, valve rod, only about self axial rotation, is driven by the effect of the screw thread of valve rod with valve stem nut
Flashboard lifts and makes valve opening and cut out.Owing to valve rod does not lift along with flashboard, so being difficult to discover valve during operation valve
The aperture situation of door.Then, for the ease of observing and operation, inside screw nonrising stem type gate valve needs valve switch instruction device is installed.
In prior art, hidden rod sluice valve switch instruction device is the most all directly to be set on valve rod, turning by valve rod
Dynamic driven gear assembly and instruction parts show valve opening.Such as disclosed in Chinese utility model patent CN202646899U
Inside screw nonrising stem type gate valve with indicator of opening.But there are some problems in existing indicator of opening in installing and using, such as:
(1) require when installing that valve rod at least part is exposed outside valve body, the most just cannot install；(2) corresponding on indicator of opening
The diameter of the installing hole of valve rod matches with the diameter of valve rod, and when stem diameter has plurality of specifications, indicator of opening cannot lead to
With.
Therefore, a kind of valve switch instruction device for being arranged on inside screw nonrising stem type gate valve of exploitation is needed at present badly, in order to peace
It is contained in valve rod not expose (such as by the valve of gearbox operation) on the valve outside valve body, and makes this valve switch
Instruction device general can strengthen versatility on the valve of valve rod using different-diameter size, reduces cost.
Summary of the invention
In view of this, in order to overcome the defect of prior art, the purpose of this utility model is to provide one and is easily installed, leads to
With the strong valve switch instruction device of property.
In order to achieve the above object, this utility model provides a kind of valve switch instruction device, including firm banking with cover
Cover the lid on described firm banking, it is characterised in that also include:
Driving gear, it is located on described firm banking rotationally by rotating shaft, and described rotating shaft activity is through described
Firm banking also downwardly extends；
Drive link, it is vertically extending, and the lower end of described drive link has and valve rod or valve rod adapter
The connecting portion being fixedly and coaxially connected, the upper end of described drive link coordinates the described driving pinion rotation of drive with described rotating shaft；
Driving gear component, it is arranged on described firm banking and engages with described driving gear；
Instruction gear, it is rotatably arranged on described lid and engages with described driving gear component；
Instruction parts, it is fixed on described instruction gear with described instruction pinion rotation.
Preferably, described lid has end face and side, described end face offers top observation window, described side is opened
It is provided with side observation window.Use such design, it is simple to operator observe from end face and side both direction.
In order to coordinate top observation window and side observation window, described pointer has the level instruction of corresponding described top observation window
Part and the vertical indicating section of correspondence described side observation window.Vertically indicating section can be directly by horizontal indicating section downward bending
Form.
For the ease of installing, described lid is threadeded with described firm banking；The lower surface of described firm banking has
Threaded section downwardly extended.Being correspondingly arranged screwed mounting groove on valve, the section of being threaded connection can be easily
Firm banking is fixed on valve.Specifically, when when being also arranged above gear-box of valve stem tip, mounting groove is arranged on gear
On case, firm banking is threaded in mounting groove, drive link downwards movable through after gear-box with valve rod coaxially fixing even
Connect.Also directly drive link can be pre-installed on valve, then valve switch be indicated under the rotating shaft driving gear of device
End is connected with drive link.
Wherein, in order to prevent thread looseness, it is solid with described that valve switch instruction device also includes that locking connects described lid
Determine the locking member of base.This locking member is preferably screw.
In a particular embodiment, the connecting portion of described drive link lower end is disposed with connection screw thread and lock from bottom to up
Tight screw thread, described locking screw connects and has locking nut.The center of valve stem tip can be correspondingly arranged screw, by under drive link
After end is threaded in the screw of valve stem tip, then by locking nut, drive link is locked with valve rod, prevents from loosening.
For the ease of installing, in the upper end of described drive link and the lower end of described rotating shaft, one of them offers slot,
Another is provided with the Plug Division that can be axially inserted into described slot.In one embodiment, the upper end of described drive link is opened
Being provided with slot, the lower end of the rotating shaft of described driving gear has the Plug Division that can coordinate with described slot up and downly.Separately
In one specific embodiment, the lower end of described rotating shaft offers slot, the upper end of described drive link have can up and downly with
The Plug Division that described slot coordinates.After installing drive link, then firm banking is installed, when firm banking is installed, it is only necessary to will
Plug Division coordinates with slot grafting vertically.
Preferably, described slot is the most through flat recess, and described Plug Division is a word Plug Division.
In a particular embodiment, described driving gear component includes rotating the first tooth being arranged on described firm banking
Wheel, coaxially connected the second gear on described first gear；Described first gear engages with described driving gear, and described second
Gear engages with described instruction gear.For the ease of installing, being fixed by screws on lid by instruction gear, the first gear leads to
Cross back-up ring to be limited on firm banking, when lid is installed, it is necessary to make the second gear engage with instruction gear.At specific embodiment
In, the number of teeth of the first gear is more than the number of teeth of driving gear, and the number of teeth of the first gear is more than the number of teeth of the second gear, the second gear
The number of teeth less than instruction gear the number of teeth.
Use the valve switch instruction device of above structure, coaxially connected with the valve rod of valve internal by drive link,
Or coaxially connected with the valve rod adapter of valve stem tip, valve rod can drive drive link to rotate when rotating, drive link
Rotate to drive the most successively and drive gear, driving gear component and instruction pinion rotation, the pointer concomitant rotation on instruction gear
Certain angle, it is achieved thereby that valve opening display.This valve opening instruction device is not required to be set on valve rod, therefore,
As long as offer the screwed hole for connecting drive link on the top of valve rod, valve rod also is able in the case of not exposing valve install
This valve opening instruction device.
This utility model also provides for a kind of valve, and including valve rod, described valve rod only can be around self axial rotation, and its feature exists
In: described valve includes above-mentioned valve switch instruction device.
In one embodiment, this valve also includes being arranged on the gear-box being in transmission connection above valve rod, valve with valve rod
Door opening indicator device is arranged on gear-box, and drive link is passed down through gear-box and is connected with valve rod.It is provided with on gear-box
Mounting groove, and in mounting groove, offer the perforation passing drive link for activity.
Compared to prior art, use the valve of above valve switch instruction device, it is possible to allow operator observe in time
Understand valve opening situation, and valve switch instruction apparatus structure design is ingenious, dismounts very convenient, has no effect on after dismounting
Valve working.
Accompanying drawing explanation
Fig. 1 is the front view of the valve switch instruction device of embodiment one.
Fig. 2 is that the A-A of Fig. 1 is to profile.
Fig. 3 is the generalized section of the valve of the valve switch instruction device using embodiment one.
In accompanying drawing: 1 valve body, 2 valve seats, 3 flashboards, 4 valve stem nuts, 5 valve rods, 6 valve gaps, 7 sealing rings,
8 glands, 9 bearings, 10 supports of bearing, 11 bearing blocks, 12 bearing pins, 30 valve rod adapteres, 31 valves
Stem nut, 32 gear-boxes, 40 valve switch instruction devices, 41 firm bankings, 411 threaded sections, 42 lids,
421 top observation windows, 4210 top protection covers, 422 side observation windows, 4220 side protective covers, 43 drive links,
431 flat recesses, 432 connect screw thread, 433 locking screws, 434 locking nuts, and 44 drive gear, 441 1 words
Plug Division, 45 instruction gears, 46 instruction parts, 461 horizontal indicating sections, 462 vertical indicating sections, 47 spiral shells
Nail, 48 first gears, 49 second gears, 50 lock-screws, 51 back-up rings.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is preferred embodiment described in detail.
Referring to Fig. 1 and Fig. 2, valve switch instruction device 40 includes firm banking 41, lid 42, drive link 43, drives
Moving gear 44, driving gear component, instruction gear 45, be fixed on instruction gear 45 on instruction gear 45 rotate instruction parts
46。
It is located on firm banking 41 rotationally by rotating shaft to drive gear 44, and described rotating shaft activity is through the fixing end
Seat 41 also downwardly extends.Drive link 43 is vertically extending, and the lower end of drive link 43 has changes with valve rod or valve rod
The connecting portion that joint is fixedly and coaxially connected, the upper end of drive link 43 coordinates drive to drive gear 44 to rotate with described rotating shaft.Pass
Moving gear assembly is arranged on firm banking 41 and engages with driving gear 44.Instruction gear 45 is rotatably arranged at lid 2
Above and engage with described driving gear component.Instruction parts 46 are fixed on instruction gear 45 and rotate with instruction gear 45, this reality
Executing and indicating parts 46 in example is pointer.
As in figure 2 it is shown, lid 42 is cylindrical cap, its end face with circle and cylindrical side, end face is offered
There is top observation window 421, described side offers side observation window 422.In order to coordinate top observation window 421 and side observation window
422, instruction parts 46 have the horizontal indicating section 461 of corresponding top observation window 421 and vertically referring to of respective side observation window 422
Show part 462.Vertically indicating section 462 can directly be formed by horizontal indicating section 461 downward bending.
Lid 42 is threadeded with firm banking 41, has female thread in the present embodiment inside the side of lid 42, fixing
On base 41, there is external screw thread.The lower surface of firm banking 41 has threaded section 411 downwardly extended.Firm banking passes through
Be tightened for threaded section 411 the screw thread on valve, is tightened onto on firm banking 41 by lid 42, thus realizes
The installation of valve switch instruction device 40 is fixed.In order to prevent thread looseness, valve switch instruction device 40 also includes that locking is even
Connect the locking member of lid 42 and firm banking 41.This locking member is preferably lock-screw 50, and lock-screw 50 is preferably a pair of, and one
Lock-screw 50 is symmetricly set on the both sides of lid 42.
In a particular embodiment, the connecting portion of drive link 43 lower end is disposed with connection screw thread 432 He from bottom to up
Locking screw 433, locking screw 433 connects and has locking nut 434.Connect screw thread 432 for by drive link 43 lower end spiral shell
Stricture of vagina is connected to valve rod or the top of valve rod adapter, then drive link 43 is turned with valve rod or valve rod by locking nut 434
Changing-over head is locked, and prevents from loosening.
For the ease of installing, in the present embodiment, the upper end of drive link 43 offers slot 431, drives gear 44
The lower end of rotating shaft has the Plug Division 441 that can coordinate with slot 431 up and downly.Specifically, slot 431 is the most through
Flat recess, Plug Division 441 is a word Plug Division.In other embodiments, the lower end of described rotating shaft offers slot, the company of driving
The upper end of bar 43 has the Plug Division that can coordinate with described slot up and downly.After installing drive link 43, then install solid
Determine base 41, when firm banking 41 is installed, it is only necessary to Plug Division is coordinated with slot grafting vertically, after grafting completes,
The rotation of drive link 43 can drive the rotation driving gear 44.
Driving gear component includes rotating the first gear 48 being arranged on firm banking 41, coaxially connected at the first gear
The second gear 49 on 48.First gear 48 engages with driving gear 44, and the second gear 49 engages with instruction gear 45.In order to just
In installation, being fixed on lid 42 by screw 47 by instruction gear 45, the first gear 48 is limited to the fixing end by back-up ring 51
On seat 41.When lid 42 is installed, it is necessary to make the second gear 49 engage with instruction gear 45.In the present embodiment, the first gear 48
The number of teeth more than driving the number of teeth of gear 44, the number of teeth of the first gear 48 more than the number of teeth of the second gear 49, the second gear 49
The number of teeth is less than the number of teeth of instruction gear 45.
Above valve switch instruction device work process is: valve rod or valve rod adapter drive drive link 43 to synchronize
Rotating, drive link 43 drives driving gear the 44, first gear the 48, second gear 49 and instruction gear 45 to rotate the most successively, refers to
Show parts 46 concomitant rotation, from top observation window 421 and side observation window 422, check the rotational angle of instruction parts 46
Know valve opening situation, very convenient.
Embodiment two
As it is shown on figure 3, the present embodiment provides a kind of valve, there is valve rod 5 and for driving the gear-box 32 of valve rod 5, valve
Bar 5 only can be around self axial rotation, and the top of valve rod 5 is provided with valve rod adapter 30,
Described valve includes the valve switch instruction device 40 of embodiment one.This valve also includes valve body 1, valve seat 2, flashboard
3, valve stem nut 4, valve gap 6, sealing ring 7, gland 8, bearing 9, the support of bearing 10, bearing block 11 and bearing pin 12.
Valve switch instruction device 40 is by the valve rod adapter 30 of drive link 43 with valve rod 5 top of valve internal
Coaxially connected.When being turned on and off valve, manual operation handwheel passes through gear-box 32 band ovable valve stem adapter 30 and valve rod 5 turns
Dynamic, the rotation of valve rod 5 drives drive link 43 to rotate, and the rotation of drive link 43 drives driving gear 44, driving cog the most successively
Wheel assembly and instruction gear 45 rotate, the instruction parts 46 concomitant rotation certain angle on instruction gear 45, it is achieved thereby that
Valve opening display.
Gear-box 32 is provided with the groove installing valve switch instruction device 40, is provided with in coordinating with base 41 in groove
Screw thread.The groove center of gear-box 32 has perforation, and drive link 43 is located in this perforation and connects with valve rod adapter 30
Connect along with valve rod adapter 30 rotates.This valve opening instruction device 40 is not required to be set on valve rod 11, therefore, as long as
Offer the screwed hole for connecting drive link 43 on the top of valve rod 11, valve rod 11 also is able to peace in the case of not exposing valve
Fill this valve opening instruction device 40.The valve of the present embodiment i.e. achieves the gear-box to inside screw nonrising stem type gate valve and drives, again can be right
Valve opening shows, easy to operate.
Above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow and is familiar with technique
Personage will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this,
All according to this utility model spirit made equivalence change or modify, all should contain protection domain of the present utility model it
In.
Claims (10)
1. a valve switch instruction device, the lid on described firm banking including firm banking and covering, its feature exists
In, also include:
Driving gear, it is located on described firm banking rotationally by rotating shaft, and described rotating shaft activity is through described fixing
Base also downwardly extends；
Drive link, it is vertically extending, and the lower end of described drive link has coaxial with valve rod or valve rod adapter
The fixing connecting portion connected, the upper end of described drive link coordinates the described driving pinion rotation of drive with described rotating shaft；
Driving gear component, it is arranged on described firm banking and engages with described driving gear；
Instruction gear, it is rotatably arranged on described lid and engages with described driving gear component；
Instruction parts, it is fixed on described instruction gear with described instruction pinion rotation.
A kind of valve switch instruction device the most according to claim 1, it is characterised in that: described lid has end face and side
Face, described end face offers top observation window, described side offers side observation window.
A kind of valve switch instruction device the most according to claim 2, it is characterised in that: described instruction parts have correspondence
The horizontal indicating section of described top observation window and the vertical indicating section of correspondence described side observation window.
A kind of valve switch instruction device the most according to claim 1, it is characterised in that: described lid and the described fixing end
Seat is threaded；The lower surface of described firm banking has threaded section downwardly extended.
A kind of valve switch instruction device the most according to claim 4, it is characterised in that: described valve switch instruction device
Also include that locking connects the locking member of described lid and described firm banking.
A kind of valve switch instruction device the most according to claim 1, it is characterised in that: the company of described drive link lower end
The portion that connects is disposed with connection screw thread and locking screw from bottom to up, and described locking screw connects locking nut.
7. indicate device according to a kind of valve switch described in claim 1 or 6, it is characterised in that: described drive link upper
In the lower end of end and described rotating shaft, one of them offers slot, and another is provided with the grafting that can be axially inserted into described slot
Portion.
A kind of valve switch instruction device the most according to claim 7, it is characterised in that: described slot is the most through
Flat recess, described Plug Division is a word Plug Division.
A kind of valve switch instruction device the most according to claim 1, it is characterised in that: described driving gear component includes
Rotate the first gear being arranged on described firm banking, coaxially connected the second gear on described first gear；Described
One gear engages with described driving gear, and described second gear engages with described instruction gear.
10. a valve, including valve rod, described valve rod only can be around self axial rotation, it is characterised in that: described valve includes power
Profit requires the valve switch instruction device described in 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670338.2U CN205806666U (en) | 2016-06-30 | 2016-06-30 | A kind of valve switch instruction device and valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670338.2U CN205806666U (en) | 2016-06-30 | 2016-06-30 | A kind of valve switch instruction device and valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205806666U true CN205806666U (en) | 2016-12-14 |
Family
ID=57512839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620670338.2U Withdrawn - After Issue CN205806666U (en) | 2016-06-30 | 2016-06-30 | A kind of valve switch instruction device and valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205806666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909861A (en) * | 2016-06-30 | 2016-08-31 | 纽威石油设备（苏州）有限公司 | Valve opening and closing indicating device and valve |
| CN108825857A (en) * | 2018-07-24 | 2018-11-16 | 段小刚 | The valve stem unit and solenoid valve of energy instruction state |
-
2016
- 2016-06-30 CN CN201620670338.2U patent/CN205806666U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909861A (en) * | 2016-06-30 | 2016-08-31 | 纽威石油设备（苏州）有限公司 | Valve opening and closing indicating device and valve |
| CN108825857A (en) * | 2018-07-24 | 2018-11-16 | 段小刚 | The valve stem unit and solenoid valve of energy instruction state |
| CN108825857B (en) * | 2018-07-24 | 2019-08-30 | 段小刚 | The valve stem unit and solenoid valve of energy instruction state |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161214 Effective date of abandoning: 20190111 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161214 Effective date of abandoning: 20190115 |
|
| AV01 | Patent right actively abandoned |