CN202674504U - Indicating device for valve opening degree - Google Patents
Indicating device for valve opening degree Download PDFInfo
- Publication number
- CN202674504U CN202674504U CN 201220312942 CN201220312942U CN202674504U CN 202674504 U CN202674504 U CN 202674504U CN 201220312942 CN201220312942 CN 201220312942 CN 201220312942 U CN201220312942 U CN 201220312942U CN 202674504 U CN202674504 U CN 202674504U
- Authority
- CN
- China
- Prior art keywords
- valve
- opening degree
- gear
- indicating device
- cover
- 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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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model relates to the technical field of the valve, in particular to an indicating device for a valve opening degree. The indicating device for the valve opening degree comprises a valve rod and a valve body, wherein the valve rod which extends out of the valve body penetrates through a reduction gearbox and a reduction gearbox cover; the inner rod section of the valve rod is provided with a driving gear; a gear shaft on the right side in the reduction gearbox is fixedly connected with a driven gear and is simultaneously in meshing connection with the driving gear; two ends of the gear shaft are respectively fixed on the bottom of the reduction gearbox and the reduction gearbox cover; the upper end of the shaft extends out of the end surface of the reduction gearbox cover; the end top of the upper end of the shaft is fixedly connected with a pointer; and the end surface of the right side of the reduction gearbox cover is provided with an indicating dial. When the indicating device for the valve opening degree is used, the rotation of the valve rod is transferred to the pointer by the meshing movement of the driving gear and the driven gear, and therefore any point pointed to the indicating dial by the pointer represents the unique opening degree of the valve so as to guarantee the precise control of the valve. The indicating device for the valve opening degree has the advantages of simple structure, reasonable arrangement and low manufacture cost.
Description
Technical field
The utility model relates to valve technology field, particularly a kind of indicating device of valve opening degree.
Background technique
Gas path pipe, waterway pipe and the oil line pipe that valve is widely used in the various device frock is connected connection, and the processing positioning requirements accuracy of existing equipment frock is more and more higher, so the switch angle control of valve is also proposed higher requirement.
The switch angle indicating device of valve is realized by the indicating cover of valve that mainly the valve indicating cover generally is located on the retarder valve at present, is used to indicate the switching position of valve, is convenient to valve is precisely operated, to ensure safety in production.And retarder valve generally is installed on the axle of valve, and has certain gap and distance between the axle sleeve, thereby causes the physical location of the indicating positions of indicating cover and valve switch variant, affects the precision of valve opening/close.Become the focus of research in the industry Gu how to guarantee the problems such as safety and precise operation of valve.
The model utility content
The purpose of this utility model is for the defective of prior art and deficiency, and the indicating device of valve opening degree a kind of simple in structure, reasonable in design, easy to use is provided.
For achieving the above object, the technical solution adopted in the utility model is:
The indicating device of a kind of valve opening degree described in the utility model, comprise valve rod and valve body, described valve rod stretches out in the outside of valve body, and the valve rod that stretches out the valve body outside passes speed reducer, described valve rod is arranged at the left side of speed reducer, the box top of described speed reducer is connected with gear box cover, the interior bar section of described valve rod is provided with driving gear, the right side is provided with gear shaft in the described speed reducer, described gear shaft is fixedly connected with driven gear, and be meshed with driving gear simultaneously and be connected, the case bottom of speed reducer is fixed in the axle lower end of described gear shaft, and the axle upper end of described gear shaft is passed in gear box cover, and the axle upper end stretches out on the end face of gear box cover, the top of described axle upper end is fixedly connected with pointer, and its right end face of described gear box cover is provided with the indicator panel that is complementary with pointer.
Further, the number of teeth of described driving gear and described driven gear is identical.
Further, the left side of described case bottom is provided with bearing, and valve rod is nested in the endoporus of bearing.
Further, its right end face of described gear box cover is provided with the indication cover that is complementary with indicator panel, and described indication is covered with a plurality of cover positioning holes.
Further, described cover positioning hole is two.
Further, the material of described indication cover is transparent material.
After adopting said structure, the utility model beneficial effect is: the indicating device of a kind of valve opening degree described in the utility model, comprise valve rod and valve body, described valve rod stretches out in the outside of valve body, and the valve rod that stretches out the valve body outside passes speed reducer, described valve rod is arranged at the left side of speed reducer, the box top of described speed reducer is connected with gear box cover, the interior bar section of described valve rod is provided with driving gear, the right side is provided with gear shaft in the described speed reducer, described gear shaft is fixedly connected with driven gear, and be meshed with driving gear simultaneously and be connected, the case bottom in speed reducer is passed in the axle lower end of described gear shaft, gear box cover is fixed in the axle upper end of described gear shaft, and the axle upper end stretches out on the end face of gear box cover, and the top of described axle upper end is fixedly connected with pointer, and its right end face of described gear box cover is provided with the indicator panel that is complementary with pointer.When using the utility model, the rotation of valve rod is meshed to move by driving gear and driven gear and passes to pointer, so that any point on the pointer sensing indicator panel all represents unique opening value of valve, thereby the assurance valve is accurately controlled.The utlity model has simple in structurely, arrange rationally, the advantage such as fabricating cost is low.
Description of drawings
Fig. 1 is partial sectional view of the present utility model;
Description of reference numerals:
1, speed reducer; 11, box top; 12, case bottom; 2, gear box cover; 3, valve rod;
31, interior bar section; 31a, driving gear; 4, gear shaft; 41, driven gear; 42, axle upper end;
43, axle lower end; 5, indicator panel; 6, pointer; 7, indication cover; 71, cover positioning hole;
8, bearing; 9, valve body.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, the indicating device of a kind of valve opening degree described in the utility model, comprise valve rod 3 and valve body 9, described valve rod 3 stretches out in the outside of valve body 9, and the valve rod 3 that stretches out valve body 9 outsides passes speed reducer 1, described valve rod 3 is arranged at the left side of speed reducer 1, and the box top 11 of described speed reducer 1 is connected with gear box cover 2.
The interior bar section 31 of described valve rod 3 is provided with driving gear 31a, and driving gear 31a can be fixed on the outer circle wall of interior bar section 31 by positioning key; Driving gear 31a is connected with valve rod 3 and should adopts interference fit to be advisable, thereby reduces gap and distance between driving gear 31a and the valve rod 3, can guarantee like this accuracy of valve opening.
Described speed reducer 1 interior right side is provided with gear shaft 4, the case bottom 12 in speed reducer 1 is passed in the axle lower end 43 of described gear shaft 4, gear box cover 2 is fixed in the axle upper end 42 of described gear shaft 4, and axle upper end 42 stretches out on the end face of gear box cover 2, and gear shaft 4 adopts common means of fixation respectively axle lower end 43 and axle upper end 42 to be fixed on speed reducer 1 and the gear box cover 2.
Described gear shaft 4 is fixedly connected with driven gear 41, and is meshed with driving gear 31a simultaneously and is connected, and described driving gear 31a is identical with the number of teeth of described driven gear 41; The size of driving gear 31a and described driven gear 41 and the number of teeth can decide according to the size of concrete valve.
The top of described axle upper end 42 is fixedly connected with pointer 6, and its right end face of described gear box cover 2 is provided with the indicator panel 5 that is complementary with pointer 6.The large I of pointer 6 and indicator panel 5 decides according to concrete valve, and the key foundation that its size is selected is that the indication that guarantees valve opening degree can allow the user high-visible.
The left side of described case bottom 12 is provided with bearing 8, and valve rod 3 is nested in the endoporus of bearing 8, can guarantee like this steadiness that valve rod 3 is connected with speed reducer 1, thereby guarantee the normal operation of valve.
Its right end face of described gear box cover 2 is provided with the indication cover 7 that is complementary with indicator panel 5, so just can protect pointer 6 to be difficult for by F. O. D; Described indication cover 7 is provided with a plurality of cover positioning holes 71, and cover positioning hole 71 of the present utility model is preferably two, and the user can pass cover positioning hole 71 by screw/screw and will indicate cover 71 to be fixed on the gear box cover 2; The material of described indication cover 7 is transparent material, thereby so that the position of pointer 6 indications can be high-visible.
During with the switch of the utility model indication valve, any point that pointer is pointed on the indicator panel all represents unique opening value of valve, thereby guarantees that valve accurately controls; Can also effectively protect pointer to be difficult for by F. O. D, increase the service life.In addition, this is simple in structure, reasonable in design, low cost of manufacture.
The above only is preferred embodiments of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (6)
1. the indicating device of a valve opening degree, comprise valve rod (3) and valve body (9), it is characterized in that: described valve rod (3) stretches out in the outside of valve body (9), and stretch out the outside valve rod (3) of valve body (9) and pass speed reducer (1), described valve rod (3) is arranged at the left side of speed reducer (1), the box top (11) of described speed reducer (1) is connected with gear box cover (2), the interior bar section (31) of described valve rod (3) is provided with driving gear (31a), the interior right side of described speed reducer (1) is provided with gear shaft (4), described gear shaft (4) is fixedly connected with driven gear (41), and be meshed with driving gear (31a) simultaneously and be connected, the case bottom (12) of speed reducer (1) is fixed in the axle lower end (43) of described gear shaft (4), the axle upper end (42) of described gear shaft (4) is passed in gear box cover (2), and axle upper end (42) stretches out on the end face of gear box cover (2), the top of described axle upper end (42) is fixedly connected with pointer (6), and its right end face of described gear box cover (2) is provided with the indicator panel (5) that is complementary with pointer (6).
2. the indicating device of valve opening degree according to claim 1, it is characterized in that: described driving gear (31a) is identical with the number of teeth of described driven gear (41).
3. the indicating device of valve opening degree according to claim 1 is characterized in that: the left side of described case bottom (12) is provided with bearing (8), and valve rod (3) is nested in the endoporus of bearing (8).
4. the indicating device of valve opening degree according to claim 1, it is characterized in that: its right end face of described gear box cover (2) is provided with the indication cover (7) that is complementary with indicator panel (5), and described indication cover (7) is provided with a plurality of cover positioning holes (71).
5. the indicating device of valve opening degree according to claim 4, it is characterized in that: described cover positioning hole (71) is two.
6. the indicating device of arbitrary described valve opening degree according to claim 1-5, it is characterized in that: the material of described indication cover (7) is transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220312942 CN202674504U (en) | 2012-06-28 | 2012-06-28 | Indicating device for valve opening degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220312942 CN202674504U (en) | 2012-06-28 | 2012-06-28 | Indicating device for valve opening degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674504U true CN202674504U (en) | 2013-01-16 |
Family
ID=47495410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220312942 Expired - Fee Related CN202674504U (en) | 2012-06-28 | 2012-06-28 | Indicating device for valve opening degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148282A (en) * | 2013-03-26 | 2013-06-12 | 纽威石油设备（苏州）有限公司 | Non-rising stem gate valve switch indicator |
-
2012
- 2012-06-28 CN CN 201220312942 patent/CN202674504U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148282A (en) * | 2013-03-26 | 2013-06-12 | 纽威石油设备（苏州）有限公司 | Non-rising stem gate valve switch indicator |
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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 |
Granted publication date: 20130116 Termination date: 20140628 |
|
| EXPY | Termination of patent right or utility model |