CN207049417U - The telescopic adjustment handle of nuclear power station ventilating system manual modulation valve - Google Patents
The telescopic adjustment handle of nuclear power station ventilating system manual modulation valve Download PDFInfo
- Publication number
- CN207049417U CN207049417U CN201720885098.2U CN201720885098U CN207049417U CN 207049417 U CN207049417 U CN 207049417U CN 201720885098 U CN201720885098 U CN 201720885098U CN 207049417 U CN207049417 U CN 207049417U
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- shank
- expansion link
- handle
- nuclear power
- power station
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Abstract
The utility model discloses a kind of telescopic adjustment handle of nuclear power station ventilating system manual modulation valve, including moon plate and handle, handle includes expansion link, first shank, second shank and the connecting rod of the first shank of connection and the second shank, expansion link is hollow structure inside, and it is equipped with arc groove at the top and bottom of expansion link front end, the tail end of first shank is plugged in inside expansion link, and first the tail end bottom of shank be provided with corresponding with the arc groove limited block for being used to position telescoping handle, when first shank departs from expansion link, limited block is located in arc groove to lock telescoping handle, the front top of second shank is welded with the axle shrinking device for locking valve shaft bar, and second the tail end of shank be fixed on by clamping screw on moon plate.The utility model can adjust decreased food, save operational torque, save operating space, and controllable valve blade opening and angle.
Description
Technical field
It the utility model is related to valve technology field, and in particular to a kind of nuclear power station ventilating system manual modulation valve stretches
Regulation handle.
Background technology
Manually-operated gate is control unit in pipeline fluid induction system, can be used to change path section and media flow side
To with functions such as water conservancy diversion, cut-off, regulation, throttling, non-return, shunting or overflow releases.It is manual in adjustment nuclear power station ventilating system
During regulating valve, occur it is most be valve operating space it is small, the problem of operational torque is big and difficult, this is to industry
Using bringing very big inconvenience, while also increase the amount of labour of worker.In consideration of it, it is necessary to traditional nuclear power station ventilation
The telescopic adjustment handle of system manual modulation valve makes improvements.
The content of the invention
To solve the deficiencies in the prior art, the purpose of this utility model is that decreased food can be adjusted by providing one kind, saves
Operational torque is saved, saves operating space, and the nuclear power station ventilating system of controllable valve blade opening and angle is adjusted manually
Save the telescopic adjustment handle of valve.
In order to realize above-mentioned target, the utility model adopts the following technical scheme that：
The telescopic adjustment handle of nuclear power station ventilating system manual modulation valve, including moon plate and handle, handle include flexible
Bar, the first shank, the second shank and the connecting rod of the first shank of connection and the second shank, expansion link is hollow structure inside,
And arc groove is equipped with the top and bottom of expansion link front end, the tail end of the first shank is plugged in inside expansion link, and first
The tail end bottom of shank is provided with the limited block that is used to position telescoping handle corresponding with arc groove, and the first shank departs from flexible
During bar, limited block is located in arc groove to lock telescoping handle, and the front top of the second shank is welded with for locking valve
The axle shrinking device of axostylus axostyle, and the tail end of the second shank is fixed on moon plate by clamping screw.
Preferably, foregoing first shank be arranged in parallel with the second shank, and the height of horizontal plane is higher than where the first shank
The height of horizontal plane where second shank.
More preferably, the external diameter of foregoing first shank is less than the internal diameter of expansion link, is stretched so that the tail end of the first shank injects
Inside contracting bar.
It is highly preferred that foregoing first shank is lock onto in expansion link by tight fixed bolt, tight fixed bolt is arranged at expansion link
Front top.
It is further preferred that the direction of the degree of crook of foregoing arc groove arcuately groove front end to rear end gradually subtracts
It is small so that limited block can skid off from the rear end of arc groove, but cannot be skidded off from the front end of arc groove, so as to play
The effect of expansion link position is limited, to avoid expansion link from departing from the first shank.
Specifically, the front end of foregoing second shank is horn structure, and the front end of moon plate is provided with arc indicator board, and arc refers to
Show that the front end of plate and the second shank is in close contact, the direction of arc indicator board is pointed to by the wedge angle of the second shank, can be accurate
Judge the opening angle of valve blade.
Preferably, arcuate socket is provided with foregoing moon plate, the bottom of clamping screw is fixed in arcuate socket, clamping screw
Moving belt fixed handle moves back and forth in arcuate socket, to drive the rotation of valve axostylus axostyle.
It is of the present utility model to be beneficial in that：The flexible tune of nuclear power station ventilating system manual modulation valve of the present utility model
It is simple, easy to use to save the structure of handle, moon plate and handle are installed on manual modulation valve, needing to open valve
When closing operation, tight fixed bolt is unclamped, expansion link is deployed, the increase operation arm of force, save the power needed for operation；After operation, hand
Handle can be packed up, and play space-saving effect；The setting of limited block and arc groove can avoid expansion link from completely disengaging
One shank；Meanwhile the rotational angle of handle can be adjusted by adjusting clamping screw, so as to the opening angle of control valve blade
Degree.
Brief description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is the structural representation of arc groove in the utility model.
The implication of reference in figure：1st, moon plate, 2, expansion link, the 3, first shank, the 4, second shank, 5, connecting rod,
6th, tight fixed bolt, 7, arc groove, 8, limited block, 9, axle shrinking device, 10, arc indicator board, 11, clamping screw, 12, arc
Hole.
Embodiment
Make specific introduce to the utility model below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 and Fig. 2, the telescopic adjustment handle of nuclear power station ventilating system manual modulation valve of the present utility model, including
Moon plate 1 and handle, handle include expansion link 2, the first shank 3, the second shank 4 and the first shank 3 of connection and the second shank 4
Connecting rod 5, the first shank 3 be arranged in parallel with the second shank 4, and the height of the place horizontal plane of the first shank 3 is higher than the second handle
The height of the place horizontal plane of bar 4.
Expansion link 2 is hollow structure inside, and the tail end of the first shank 3 is plugged in inside expansion link 2, while the first shank 3
External diameter be less than expansion link 2 internal diameter, so as to the first shank 3 tail end inject expansion link 2 inside, the first shank 3 passes through tightening
Bolt 6 is lock onto in expansion link 2, and tight fixed bolt 6 is arranged at the front top of expansion link 2, is stretched into by adjusting the first shank 3
Length in contracting bar 2, can be with the overall length of regulation handle.
Be equipped with arc groove 7 at the top and bottom of the front end of expansion link 2, and the tail end bottom of the first shank 3 be provided with
The corresponding limited block 8 for being used to position telescoping handle of arc groove 7, when the first shank 3 departs from expansion link 2, limited block 8 is located at
To lock telescoping handle in arc groove 7, referring to Fig. 3, the degree of crook of the arc groove 7 arcuately front end of groove 7 to rear end
Direction is gradually reduced so that limited block 8 can skid off from the rear end of arc groove 7, but cannot be from the front end of arc groove 7
Skid off, so as to play a part of limiting the position of expansion link 2, to avoid expansion link 2 from departing from the first shank 3.
The front top of second shank 4 is welded with the axle shrinking device 9 for locking valve shaft bar, passes through the rotation of handle
The rotation of valve axostylus axostyle can be driven, with the opening and closing of control valve blade.The front end of second shank 4 is horn structure,
The front end of moon plate 1 is provided with arc indicator board 10, and the front end of the shank 4 of arc indicator board 10 and second is in close contact, and passes through second
The wedge angle of shank 4 points to the direction of arc indicator board 10, can accurately judge the opening angle of valve blade.Second shank 4
Tail end is fixed on moon plate 1 by clamping screw 11, and the corresponding position of moon plate 1 is provided with arcuate socket 12, locking screw
The bottom of bolt 11 is fixed in arcuate socket 12, and the moving belt fixed handle in arcuate socket 12 of clamping screw 11 moves back and forth, to drive
The rotation of valve axostylus axostyle.
The structure of the telescopic adjustment handle of nuclear power station ventilating system manual modulation valve of the present utility model is simple, user
Just, moon plate 1 and handle are installed on manual modulation valve, when needing to carry out switching manipulation to valve, unclamp tight fixed bolt
6, expansion link 2 is deployed, the increase operation arm of force, saves the power needed for operation；After operation, handle can be packed up, and play saving
The effect in space；The setting of limited block 8 and arc groove 7 can avoid expansion link 2 from completely disengaging the first shank 3；Meanwhile pass through
Regulation clamping screw 11 can adjust the rotational angle of handle, can be locked when valve blade is opened to 0 ~ 90 ° of any angle
Tight blade, so as to the opening angle of more stable control valve.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that instruction or
Imply relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical scheme obtained, all falls within the scope of protection of the utility model.
Claims (7)
1. the telescopic adjustment handle of nuclear power station ventilating system manual modulation valve, including moon plate and handle, it is characterised in that described
Handle includes expansion link, the first shank, the second shank and the connecting rod of the first shank of connection and the second shank, the expansion link
For hollow structure inside, and arc groove is equipped with the top and bottom of expansion link front end, the tail end grafting of first shank
Inside expansion link, and the tail end bottom of the first shank is provided with and corresponding with arc groove is used to position the spacing of telescoping handle
Block, when first shank departs from expansion link, limited block is located in arc groove to lock telescoping handle, second shank
Front top is welded with the axle shrinking device for locking valve shaft bar, and the tail end of the second shank is fixed on by clamping screw
On moon plate.
2. the telescopic adjustment handle of nuclear power station ventilating system manual modulation valve according to claim 1, it is characterised in that institute
State the first shank to be arranged in parallel with the second shank, and the height of horizontal plane where the first shank is higher than horizontal plane where the second shank
Height.
3. the telescopic adjustment handle of nuclear power station ventilating system manual modulation valve according to claim 1, it is characterised in that institute
The external diameter for stating the first shank is less than the internal diameter of expansion link.
4. the telescopic adjustment handle of nuclear power station ventilating system manual modulation valve according to claim 1, it is characterised in that institute
State the first shank to lock onto in expansion link by tight fixed bolt, the tight fixed bolt is arranged at the front top of expansion link.
5. the telescopic adjustment handle of nuclear power station ventilating system manual modulation valve according to claim 1, it is characterised in that institute
The direction for stating the degree of crook of arc groove arcuately groove front end to rear end is gradually reduced.
6. the telescopic adjustment handle of nuclear power station ventilating system manual modulation valve according to claim 1, it is characterised in that institute
The front end for stating the second shank is horn structure, and the front end of the moon plate is provided with arc indicator board, the arc indicator board and
The front end of two shanks is in close contact.
7. the telescopic adjustment handle of nuclear power station ventilating system manual modulation valve according to claim 1, it is characterised in that institute
State and arcuate socket is provided with moon plate, the bottom of the clamping screw is fixed in arcuate socket, and clamping screw moves in arcuate socket
Dynamic band fixed handle moves back and forth, to drive the rotation of valve axostylus axostyle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720885098.2U CN207049417U (en) | 2017-07-20 | 2017-07-20 | The telescopic adjustment handle of nuclear power station ventilating system manual modulation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720885098.2U CN207049417U (en) | 2017-07-20 | 2017-07-20 | The telescopic adjustment handle of nuclear power station ventilating system manual modulation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049417U true CN207049417U (en) | 2018-02-27 |
Family
ID=61497423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720885098.2U Active CN207049417U (en) | 2017-07-20 | 2017-07-20 | The telescopic adjustment handle of nuclear power station ventilating system manual modulation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953727A (en) * | 2018-08-27 | 2018-12-07 | 江苏华太电力仪表有限公司 | A kind of split type gauge ball valve |
| CN108980451A (en) * | 2018-09-29 | 2018-12-11 | 苏州丹顿机电有限公司 | A kind of valve handle auxiliary tool |
-
2017
- 2017-07-20 CN CN201720885098.2U patent/CN207049417U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953727A (en) * | 2018-08-27 | 2018-12-07 | 江苏华太电力仪表有限公司 | A kind of split type gauge ball valve |
| CN108980451A (en) * | 2018-09-29 | 2018-12-11 | 苏州丹顿机电有限公司 | A kind of valve handle auxiliary tool |
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