CN110375111A - Valve opening instruction device - Google Patents
Valve opening instruction device Download PDFInfo
- Publication number
- CN110375111A CN110375111A CN201910720890.6A CN201910720890A CN110375111A CN 110375111 A CN110375111 A CN 110375111A CN 201910720890 A CN201910720890 A CN 201910720890A CN 110375111 A CN110375111 A CN 110375111A
- Authority
- CN
- China
- Prior art keywords
- protective case
- upper cover
- cover type
- guide sleeve
- type protective
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 48
- 244000144985 peep Species 0.000 claims abstract description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses valve opening instruction devices, upper cover type protective case including upper opening and lower part opening, in cylinder-shaped guide sleeve and indicating arm；Opening down to be set in the external rod segment of valve rod and be fixedly connected with valve rod, upper cover type protective case can be rotated synchronously with valve rod, circumferentially be provided with calibrated dial on the outer circumference surface of upper cover type protective case；The bottom of guide sleeve is fixedly connected on valve deck, and the top of guide sleeve is slidably set in the outside of upper cover type protective case；Closing chamber is constituted between guide sleeve and upper cover type protective case, the external rod segment of valve rod is placed in the closing chamber；Guide sleeve is equipped with vertical pilot hole, and guide sleeve is equipped with peep hole；The top of indicating arm is inner cylinder, is threaded on the inner wall of upper cover type protective case, and the lower part of indicating arm is vertical scale, and vertical scale is equipped with vertical scale, and the lower end of vertical scale is extend into outside closing chamber from vertical pilot hole.Aperture instruction of the present invention is accurate, and instruction device can be effectively protected.
Description
Technical field
The present invention relates to opening indicator devices, and in particular to valve opening instruction device.
Background technique
Gate valve, shut-off valve are widely used in various industrial circles, by valve opening and closing element, the liter including flashboard and flap
Drop forms the folding of sealing pair with valve seat, to connect or be truncated the medium in pipeline.
In order to intuitively reflect the physical location of valve opening and closing element, need to indicate for valve setting aperture；It is common at present
Opening indicator device as shown in Figure 1, being by aperture pointer 7 by being threadedly engaged in the external rod segment for being mounted on valve rod 2, and be
Axial guide rod 8 is arranged in aperture pointer 7, and when valve rod 2 rotates, aperture pointer 7 is moved up and down along the axial direction of valve rod 2, to open
The position of the indicating positions reflection opening and closing element of pointer is spent, and then realizes aperture instruction.
This structure type is primarily present following problems in actual use:
First is that since aperture pointer is not by any protection, it is easy to be touched by the external world and bending is caused to damage or take off
It falls；
Second is that due to outer valve stem exposure, the fine thread engaged between aperture pointer is highly prone to dust and rainwater
Etc. environmental factors influence and fouling, corrosion or even stuck；
Third is that aperture instruction is not accurate enough.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of instructions of aperture accurately, can be effectively protected to guarantee
The valve opening instruction device of normal use.
In order to achieve the above objectives, technical scheme is as follows:
Valve opening instruction device, the valve opening instruction device include:
The upper cover type protective case of upper opening and lower part opening, it is opening down to be set in the external rod segment of valve rod and and valve
Bar is fixedly connected, and upper cover type protective case can be rotated synchronously with valve rod, is circumferentially set on the outer circumference surface of the upper cover type protective case
It is equipped with calibrated dial；
In cylinder-shaped guide sleeve, the bottom of guide sleeve is fixedly connected on valve deck, and the top of guide sleeve slidably covers
It is located at the outside of upper cover type protective case；Closing chamber is constituted between guide sleeve and upper cover type protective case, the external rod segment of valve rod is placed in
In the closing chamber；Guide sleeve is equipped with vertical pilot hole, and guide sleeve is equipped with peep hole, is able to observe that by the peep hole
Calibrated dial on protective case；
The top of indicating arm, indicating arm is inner cylinder, is threaded on the inner wall of upper cover type protective case, indicating arm
Lower part is vertical scale, and vertical scale is equipped with vertical scale, and the lower end of vertical scale extend into closing chamber from vertical pilot hole
It is external.
In one embodiment of the invention, the diameter of lower part opening is greater than the diameter of upper opening.
In one embodiment of the invention, the inner wall of upper cover type protective case is equipped with internal screw thread, indicating arm upper inner cylinder
The outer wall of body is equipped with external screw thread, and indicating arm upper inner cylinder body is extend into inside upper cover type protective case from lower part opening and upper cover type
The inner thread of protective case connects.
In one embodiment of the invention, the top of guide sleeve is large-diameter cylinder body, and the bottom of guide sleeve is minor diameter
Cylinder is equipped with ring-shaped platform between large-diameter cylinder body and cylinders with small diameter, the bottom of cylinders with small diameter is fixedly connected on valve deck,
Large-diameter cylinder body is sleeved on the outside of upper cover type protective case, and upper cover type protective case can be along large-diameter cylinder body under the drive of valve rod
Wall sliding；Vertical pilot hole is arranged on ring-shaped platform, and peep hole is arranged on the side wall of large-diameter cylinder body.
In one embodiment of the invention, the vertical scale of indicating arm lower part is radially symmetrical arranged as a pair, guiding
It puts on and is correspondingly arranged a pair of vertical pilot hole for a pair of vertical scale.
Through the above technical solutions, the beneficial effects of the present invention are:
1, the present invention is provided with enclosed construction in the external rod segment of valve rod, and entire instruction device is made to be effectively protected,
In transportational process, valve is closed entirely, be in vertical scale in upper cover type protective case, effectively avoids unexpected damage of colliding with.
2, the drive mechanism being threadedly engaged in the present invention is closed, and ensure that its drive mechanism uses steadily in the long term.
3, the present invention is combined using vertical scale and calibrated dial, substantially increases the precision of valve opening instruction.
4, the configuration of the present invention is simple, it is easy to implement.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is existing valve opening instruction device structural schematic diagram；
Fig. 2 is valve opening instruction device structural schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of upper cover type protective case of the present invention；
Fig. 4 is the structural schematic diagram of indicating arm of the present invention；
Fig. 5 is the partial structure diagram of guide sleeve of the present invention；
Number and corresponding component title represented by letter in figure:
2, valve rod 7, aperture pointer 8, axial guide rod
10, upper cover type protective case 11, upper opening 12, lower part opening 13, calibrated dial 20, guide sleeve 21, big straight
Diameter cylinder 22, cylinders with small diameter 23, ring-shaped platform 24, vertical pilot hole 25, peep hole 30, indicating arm 31, inner cylinder
32, vertical scale 33, vertical scale 40, valve rod 41, external rod segment 50, closing chamber 60, valve deck 70, handwheel.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to fig. 2 to shown in Fig. 5, the invention discloses valve opening instruction device, including upper opening 11 and lower part it is spacious
Mouthfuls 12 upper cover type protective case 10, in cylinder-shaped guide sleeve 20 and indicating arm 30.
The upper opening 11 of upper cover type protective case 10 is set in the external rod segment 41 of valve rod 40 downward and consolidates with valve rod 40
Fixed connection, upper cover type protective case 10 can rotate synchronously with valve rod 40, circumferentially be arranged on the outer circumference surface of upper cover type protective case 10
There is calibrated dial 13；The diameter of lower part opening 12 is greater than the diameter of upper opening 11.
The bottom of guide sleeve 20 is fixedly connected on valve deck 60, and the top of guide sleeve 20 is slidably set in upper cover type guarantor
The outside of sheath 10；Closing chamber 50 is constituted between guide sleeve 20 and upper cover type protective case 10, the external rod segment 41 of valve rod 40 is placed in
In the closing chamber 50；Guide sleeve 20 is equipped with vertical pilot hole 24, and guide sleeve 20 is equipped with peep hole 25, passes through the peep hole
25 are able to observe that the calibrated dial 13 on upper cover type protective case 10.
The top of indicating arm 30 is inner cylinder 31, is threaded on the inner wall of upper cover type protective case 10, indicating arm 30
Lower part be vertical scale 32, vertical scale 32 is equipped with vertical scale 33, and the lower end of vertical scale 32 is from vertical pilot hole 24
It extend into outside closing chamber 50.
Further, the inner wall of upper cover type protective case 10 is equipped with internal screw thread, on the outer wall of 30 upper inner cylinder body 31 of indicating arm
Equipped with external screw thread, 30 upper inner cylinder body 31 of indicating arm extend into 10 inside of upper cover type protective case from lower part opening 12 and protects with upper cover type
The inner thread of sheath 10 connects.
Further, the top of guide sleeve 20 is large-diameter cylinder body 21, and the bottom of guide sleeve 20 is cylinders with small diameter 22, big straight
The diameter of diameter cylinder 21 is greater than the diameter of cylinders with small diameter 22, and annular flat is equipped between large-diameter cylinder body 21 and cylinders with small diameter 22
Platform 23, the bottom of cylinders with small diameter 22 are fixedly connected on valve deck 60, and large-diameter cylinder body 21 is sleeved on upper cover type protective case 10
Outside, upper cover type protective case 10 can slide under the drive of valve rod 40 along 21 inner wall of large-diameter cylinder body；Vertical pilot hole 24 is arranged
On ring-shaped platform 23, peep hole 25 is arranged on the side wall of large-diameter cylinder body 21.
Further, to be radially symmetrical arranged convenient for the vertical scale 32 of the observation on different directions, 30 lower part of indicating arm
It is that a pair of vertical scale 32 is correspondingly arranged a pair of vertical pilot hole 24 for a pair, on guide sleeve 20, on the vertical scale 32 of indicating arm
Scale set according to the relationship between 30 top thread pitch of valve rod total travel, threaded stem screw pitch and indicating arm；Certainly,
The number of vertical scale 32 and vertical pilot hole 24 can also be set according to actual needs, be not added and repeated herein.
For the present apparatus in assembly, valve is in full off state, rotates upper cover type protective case 10, makes vertical on indicating arm 30
Scale 32 passes through the vertical pilot hole 24 on guide sleeve 20, the bottom end face and the ring-shaped platform on guide sleeve 20 of vertical scale 32
23 plane is concordant, and guide sleeve 20 is mechanically fixedly connected with valve deck 60, and upper cover type protective case 10 is mechanically
It is fixedly connected with valve rod 40, the assembly of completion indicating device.
When valve opening, handwheel 70 is rotated counterclockwise, upper cover type protective case 10 rotates with valve rod 40, makes by threaded function
Indicating arm 30 declines, it can be seen that the scale on indicating arm 30, numerical value constantly increase；When valve wide open, indicating arm 30
Scale is shown as 100.
When valve is closed, handwheel 70 is rotated clockwise, upper cover type protective case 10 rotates with valve rod 40, makes by threaded function
Indicating arm 30 rises, it can be seen that the scale on indicating arm 30, numerical value constantly reduce；When valve closes entirely, on indicating arm 30
Scale be shown as 0.
Valve is combined with the scale on upper cover type protective case 10 by the scale on indicating arm 30 and is obtained in half-open position
The opening value of valve realizes the purpose of intuitive display opening and closing element position.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. valve opening instruction device, which is characterized in that the valve opening instruction device includes:
The upper cover type protective case of upper opening and lower part opening, it is opening down to be set in the external rod segment of valve rod and consolidate with valve rod
Fixed connection, upper cover type protective case can be rotated synchronously with valve rod, be circumferentially provided on the outer circumference surface of the upper cover type protective case
Calibrated dial；
In cylinder-shaped guide sleeve, the bottom of guide sleeve is fixedly connected on valve deck, and the top of guide sleeve is slidably set in
The outside of upper cover type protective case；Closing chamber is constituted between guide sleeve and upper cover type protective case, the external rod segment of valve rod is placed in the envelope
In closed chamber；Guide sleeve is equipped with vertical pilot hole, and guide sleeve is equipped with peep hole, is able to observe that protection by the peep hole
Calibrated dial on set；
The top of indicating arm, indicating arm is inner cylinder, is threaded on the inner wall of upper cover type protective case, the lower part of indicating arm
For vertical scale, vertical scale is equipped with vertical scale, and the lower end of vertical scale is extend into outside closing chamber from vertical pilot hole.
2. valve opening instruction device according to claim 1, which is characterized in that the diameter of lower part opening is opened greater than top
The diameter of mouth.
3. valve opening instruction device according to claim 1, which is characterized in that the inner wall of upper cover type protective case is equipped with
The outer wall of internal screw thread, indicating arm upper inner cylinder body is equipped with external screw thread, and indicating arm upper inner cylinder body is extend into from lower part opening
It is connect inside lid formula protective case with the inner thread of upper cover type protective case.
4. valve opening instruction device according to claim 1, which is characterized in that the top of guide sleeve is major diameter cylinder
Body, the bottom of guide sleeve are cylinders with small diameter, and ring-shaped platform, cylinders with small diameter are equipped between large-diameter cylinder body and cylinders with small diameter
Bottom be fixedly connected on valve deck, large-diameter cylinder body is sleeved on the outside of upper cover type protective case, and upper cover type protective case is in valve rod
Drive under can be slided along large-diameter cylinder body inner wall；Vertical pilot hole is arranged on ring-shaped platform, and peep hole is arranged in major diameter
On the side wall of cylinder.
5. valve opening instruction device according to claim 1, which is characterized in that the vertical scale of indicating arm lower part is in diameter
It is that a pair of vertical scale is correspondingly arranged a pair of vertical pilot hole on guide sleeve to being symmetrical arranged as a pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720890.6A CN110375111A (en) | 2019-08-06 | 2019-08-06 | Valve opening instruction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720890.6A CN110375111A (en) | 2019-08-06 | 2019-08-06 | Valve opening instruction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110375111A true CN110375111A (en) | 2019-10-25 |
Family
ID=68258247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910720890.6A Pending CN110375111A (en) | 2019-08-06 | 2019-08-06 | Valve opening instruction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110375111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216859A1 (en) * | 2022-05-08 | 2023-11-16 | 李明树 | Valve stem protective sleeve provided with indicator ring, and valve provided with protective sleeve |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01238787A (en) * | 1988-03-19 | 1989-09-22 | Sekisui Chem Co Ltd | Indication device for valve opening |
| CN201496594U (en) * | 2009-09-01 | 2010-06-02 | 广东联塑科技实业有限公司 | Nonrising-stem gate valve capable of displaying opening degree and on-off state |
| CN203098937U (en) * | 2013-02-04 | 2013-07-31 | 上海艾维科阀门有限公司 | Nuclear power membrane valve with subscript indication |
| CN203532945U (en) * | 2013-10-18 | 2014-04-09 | 浙江双博阀门有限公司 | Non-rising stem valve opening instruction device |
| CN204201259U (en) * | 2014-10-14 | 2015-03-11 | 宁波埃美柯铜阀门有限公司 | Inside screw non-rising stem type gate valve opening indicator device |
| CN204901036U (en) * | 2013-11-18 | 2015-12-23 | 张国庆 | Non -rising -stem gate valve switching and aperture display device |
| CN205001539U (en) * | 2015-09-29 | 2016-01-27 | 攀钢集团工程技术有限公司 | Piston rising stem (RS. ) valve valve rod protection device |
| CN107747648A (en) * | 2017-11-16 | 2018-03-02 | 河北金桥平衡阀门有限公司 | A kind of ono-rising-stem valve valve element opens and closes the instruction device of position |
| CN108662255A (en) * | 2018-07-16 | 2018-10-16 | 浙江中孚流体机械有限公司 | A kind of guide electromagnetic valve that spool aperture is controllable |
| CN210423937U (en) * | 2019-08-06 | 2020-04-28 | 上海凯工阀门股份有限公司 | Valve opening indicating device |
-
2019
- 2019-08-06 CN CN201910720890.6A patent/CN110375111A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01238787A (en) * | 1988-03-19 | 1989-09-22 | Sekisui Chem Co Ltd | Indication device for valve opening |
| CN201496594U (en) * | 2009-09-01 | 2010-06-02 | 广东联塑科技实业有限公司 | Nonrising-stem gate valve capable of displaying opening degree and on-off state |
| CN203098937U (en) * | 2013-02-04 | 2013-07-31 | 上海艾维科阀门有限公司 | Nuclear power membrane valve with subscript indication |
| CN203532945U (en) * | 2013-10-18 | 2014-04-09 | 浙江双博阀门有限公司 | Non-rising stem valve opening instruction device |
| CN204901036U (en) * | 2013-11-18 | 2015-12-23 | 张国庆 | Non -rising -stem gate valve switching and aperture display device |
| CN204201259U (en) * | 2014-10-14 | 2015-03-11 | 宁波埃美柯铜阀门有限公司 | Inside screw non-rising stem type gate valve opening indicator device |
| CN205001539U (en) * | 2015-09-29 | 2016-01-27 | 攀钢集团工程技术有限公司 | Piston rising stem (RS. ) valve valve rod protection device |
| CN107747648A (en) * | 2017-11-16 | 2018-03-02 | 河北金桥平衡阀门有限公司 | A kind of ono-rising-stem valve valve element opens and closes the instruction device of position |
| CN108662255A (en) * | 2018-07-16 | 2018-10-16 | 浙江中孚流体机械有限公司 | A kind of guide electromagnetic valve that spool aperture is controllable |
| CN210423937U (en) * | 2019-08-06 | 2020-04-28 | 上海凯工阀门股份有限公司 | Valve opening indicating device |
Non-Patent Citations (2)
| Title |
|---|
| 汤吉江;吕志鹏;: "热采井口双阀杆闸阀研制与应用", 石油机械, vol. 39, no. 11, 10 November 2011 (2011-11-10), pages 53 - 54 * |
| 王湘江: "谐波螺旋传动式核动力装置用截止阀的设计", 核动力工程, vol. 25, no. 1, 28 February 2004 (2004-02-28), pages 67 - 69 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216859A1 (en) * | 2022-05-08 | 2023-11-16 | 李明树 | Valve stem protective sleeve provided with indicator ring, and valve provided with protective sleeve |
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