CN202646899U - Non-rising stem gate valve with openness indicator - Google Patents
Non-rising stem gate valve with openness indicator Download PDFInfo
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- CN202646899U CN202646899U CN 201220325044 CN201220325044U CN202646899U CN 202646899 U CN202646899 U CN 202646899U CN 201220325044 CN201220325044 CN 201220325044 CN 201220325044 U CN201220325044 U CN 201220325044U CN 202646899 U CN202646899 U CN 202646899U
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Abstract
The utility model relates to a non-rising stem gate valve with an openness indicator. The non-rising stem gate valve comprises a valve body, a valve cover, a shutter, a valve rod, a drive member and an openness indicator, wherein a valve cavity is arranged between the valve body and the valve cover, an inflow channel and an outflow channel are arranged on the valve body, the openness indicator comprises a box body, and a drive gear, a driven gear, an auxiliary driven gear, an indication disc and a pointer which are arranged in the box body; the drive gear, the driven gear and the auxiliary driven gear have same modulus, the drive gear and the auxiliary driven gear have same tooth number, the tooth number of the driven gear is more than that of the drive gear by one, the driven gear and the auxiliary driven gear are coaxially arranged and are meshed with the drive gear, the drive gear is linked and matched with the valve rod, the pointer is linked and matched with the driven gear, and the indication disc is linked and matched with the auxiliary driven gear. By adopting the technical scheme, the non-rising stem gate valve with the openness indicator has the advantages of small volume, small mass, little torque and little errors; and the openness indicator is accurate in indication.
Description
Technical field
The utility model relates to valve field, particularly a kind of inside screw non-rising stem type gate valve with indicator of opening.
Background technique
Traditional inside screw non-rising stem type gate valve has generally comprised valve body, valve gap, flashboard, valve rod, actuator, indicator of opening, be provided with valve pocket between valve body and the valve gap, valve body is provided with flow channel, flow pass, described flow channel, flow pass all with the valve pocket conducting, valve rod one end extends in the valve pocket and is linked with flashboard, the other end extends to outside the valve gap and actuator is linked, Stem Mut is installed on the flashboard, the end that valve rod extends in the valve pocket is provided with screw thread, valve rod and Stem Mut screw-thread fit, the rotation of actuator actuate valve stem and then the lifting of drive flashboard, flow channel, be equipped with valve seat between flow pass and the valve pocket, be provided with the sealing pair that is complementary between flashboard and the valve seat, when flashboard and two valve seats formation sealing, valve is in cut-off state, and wherein, indicator of opening is used for showing the valve switch situation.
But, the common problem of traditional indicator of opening is: owing to adopt many to gear formation Multi-stage transmission, cause the volume of indicator of opening large, quality is large, moment of torsion is large, error is large, and then strengthened cost of production, the Multi-stage transmission error is large, and the indicator of opening misregister often occurs, thereby affects the normal use of valve.
Summary of the invention
The purpose of this utility model: in order to overcome the defective of prior art, the utility model provides a kind of inside screw non-rising stem type gate valve with indicator of opening, and volume is little, quality is little, moment of torsion is little, and error is little, and the indicator of opening indication accurately.
The technical solution of the utility model: a kind of inside screw non-rising stem type gate valve with indicator of opening, include valve body, valve gap, flashboard, valve rod, actuator, indicator of opening, be provided with valve pocket between valve body and the valve gap, valve body is provided with flow channel, flow pass, described flow channel, flow pass all with the valve pocket conducting, valve rod one end extends in the valve pocket and is linked with flashboard, the other end extends to outside the valve gap and actuator is linked, it is characterized in that: described indicator of opening includes casing, be arranged on the driving gear in the casing, driven gear, secondary driven gear, indicator panel, pointer, described driving gear, driven gear, the modulus of secondary driven gear is identical, driving gear, the secondary driven gear number of teeth is identical, many 1 of the number of teeth of the gear ratio driving gear of driven gear, driven gear, the secondary coaxial setting of driven gear and all meshing with driving gear, described driving gear and valve rod are linked, described pointer and driven gear are linked, driven gear drives the pointer coaxial rotation, indicator panel and secondary driven gear are linked, and secondary driven gear drives the indicator panel coaxial rotation.
Adopt technique scheme, when the actuator actuate valve stem is rotated, described driving gear and valve rod rotate synchronously, driven gear, secondary driven gear also rotates with driving gear, because many 1 of the number of teeth of the gear ratio driving gear of driven gear, at driving gear, when secondary driven gear has turned a circle, driven gear also has a tooth not turn, whenever revolve the poor pointer that passes through of the angle of swing that turns around, indicator panel reflects and has represented that namely valve rod drives the height of flashboard rising or the threaded stem pitch that descended, and each valve has been stipulated the total height that design is opened or closed, the rotation number of total coils that this total height is valve opening or closes divided by thread pitch, this number of total coils is pressed certain numerical value five equilibrium on indicator panel, the position situation that pointer can accurately be indicated valve opening or be closed.Therefore, the inside screw non-rising stem type gate valve with indicator of opening of this structure, volume is little, quality is little, moment of torsion is little, and error is little, and the indicator of opening indication is accurately.
Further setting of the present utility model: described driving gear is set on the valve rod, is linked through driving pin between valve rod and the driving gear.
Adopt above-mentioned further setting, realize being linked of valve rod and driving gear by driving pin, simple in structure, easy for installation, cost is low.
Again further setting of the present utility model: described pointer all is fixedly connected with through positioning screwn with secondary driven gear with driven gear, indicator panel.
Adopt above-mentioned more further setting, realize being linked of pointer and driven gear, indicator panel and secondary driven gear by locating stud, simple in structure, easy for installation.
Further setting of the present utility model: described casing includes base, cover plate, base is fixedly connected with cover plate, the index plane of indicator panel is towards cover plate one side, corresponding indicator panel position is provided with through hole on the described cover plate, corresponding lead to the hole site is provided with cloche on the described cover plate, and described cloche is installed with on the cover board through annular pressing plate.
Adopt above-mentionedly further to arrange, the casing split arranged, can be conveniently to the installation of inner driving gear, driven gear, secondary driven gear; The cloche that arranges can conveniently be observed the display position situation of pointer, indicator panel.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment;
Fig. 2 is indicator of opening and valve rod connection diagram in the utility model specific embodiment.
Specific embodiment
Such as Fig. 1, shown in 2, a kind of inside screw non-rising stem type gate valve with indicator of opening, include valve body 1, valve gap 2, flashboard 3, valve rod 4, actuator 5, indicator of opening 6, be provided with valve pocket 11 between valve body 1 and the valve gap 2, valve body 1 is provided with flow channel 12, flow pass 13, described flow channel 12, flow pass 13 all with valve pocket 11 conductings, valve rod 4 one ends extend in the valve pocket and are linked with flashboard 3, the other end extends to outside the valve gap 2 and actuator 5 is linked, Stem Mut 7 is installed on the flashboard 3, the end that valve rod 4 extends in the valve pocket 11 is provided with screw thread 41, valve rod 4 and Stem Mut 7 screw-thread fit, actuator 5 actuate valve stem, 4 rotations and then 3 liftings of drive flashboard, indicator of opening 6 is installed in valve gap 2 tops and actuator 5 belows, position, described indicator of opening 6 includes casing 61, be arranged on the driving gear 62 in the casing 61, driven gear 63, secondary driven gear 64, indicator panel 65, pointer 66, described driving gear 62, driven gear 63, the modulus of secondary driven gear 64 is identical, driving gear 62, secondary driven gear 64 numbers of teeth are identical, many 1 of the number of teeth of the gear ratio driving gear 62 of driven gear 63, driven gear 63, secondary driven gear 64 coaxial settings and all meshing with driving gear 62, pointer 66 is positioned at the indicator panel top, described driving gear 62 is linked with valve rod 4, described pointer 66 is linked with driven gear 63, driven gear 63 drives pointer 66 coaxial rotation, indicator panel 65 is linked with secondary driven gear 64, and secondary driven gear 64 drives indicator panel 65 coaxial rotation.When 4 rotation of actuator 5 actuate valve stem, described driving gear 62 rotates synchronously with valve rod 4, driven gear 63, secondary driven gear 64 is also with driving gear 62 rotations, because many 1 of the number of teeth of the gear ratio driving gear 62 of driven gear 63, at driving gear 62, when secondary driven gear 64 has turned a circle, driven gear 63 also has a tooth not turn, whenever revolve the poor pointer that passes through of the angle of swing that turns around, indicator panel 65 reflects and has represented that namely valve rod 4 drives the height of flashboard 3 risings or valve rod 4 thread pitch that descended, and each valve has been stipulated the total height that design is opened or closed, the rotation number of total coils that this total height is valve opening or closes divided by thread pitch, this number of total coils is pressed certain numerical value five equilibrium on indicator panel 65, the position situation that pointer 66 can accurately be indicated valve opening or be closed.
As shown in Figure 2, in the utility model specific embodiment, described driving gear 62 is set on the valve rod 4, is linked through driving pin 8 between valve rod 4 and the driving gear 62.Described pointer 66 all is fixedly connected with through positioning screwn 9 with secondary driven gear 64 with driven gear 63, indicator panel 65.
As shown in Figure 2, in the utility model specific embodiment, described casing 61 includes base 611, cover plate 612, base 611 is fixedly connected with cover plate 612, the index plane 651 of indicator panel 65 is towards cover plate 612 1 sides, corresponding indicator panel 65 positions are provided with through hole 6121 on the described cover plate 612, and corresponding through hole 6121 positions are provided with cloche 10 on the described cover plate 612, and described cloche 10 is pressed on the cover plate 612 through annular pressing plate 14.
Claims (4)
1. inside screw non-rising stem type gate valve with indicator of opening, include valve body, valve gap, flashboard, valve rod, actuator, indicator of opening, be provided with valve pocket between valve body and the valve gap, valve body is provided with flow channel, flow pass, described flow channel, flow pass all with the valve pocket conducting, valve rod one end extends in the valve pocket and is linked with flashboard, the other end extends to outside the valve gap and actuator is linked, it is characterized in that: described indicator of opening includes casing, be arranged on the driving gear in the casing, driven gear, secondary driven gear, indicator panel, pointer, described driving gear, driven gear, the modulus of secondary driven gear is identical, driving gear, the secondary driven gear number of teeth is identical, many 1 of the number of teeth of the gear ratio driving gear of driven gear, driven gear, the secondary coaxial setting of driven gear and all meshing with driving gear, described driving gear and valve rod are linked, described pointer and driven gear are linked, driven gear drives the pointer coaxial rotation, indicator panel and secondary driven gear are linked, and secondary driven gear drives the indicator panel coaxial rotation.
2. the inside screw non-rising stem type gate valve with indicator of opening according to claim 1, it is characterized in that: described driving gear is set on the valve rod, is linked through driving pin between valve rod and the driving gear.
3. the inside screw non-rising stem type gate valve with indicator of opening according to claim 1 and 2, it is characterized in that: described pointer all is fixedly connected with through positioning screwn with secondary driven gear with driven gear, indicator panel.
4. the inside screw non-rising stem type gate valve with indicator of opening according to claim 3, it is characterized in that: described casing includes base, cover plate, base is fixedly connected with cover plate, the index plane of indicator panel is towards cover plate one side, corresponding indicator panel position is provided with through hole on the described cover plate, corresponding lead to the hole site is provided with cloche on the described cover plate, and described cloche is installed with on the cover board through annular pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325044 CN202646899U (en) | 2012-07-05 | 2012-07-05 | Non-rising stem gate valve with openness indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325044 CN202646899U (en) | 2012-07-05 | 2012-07-05 | Non-rising stem gate valve with openness indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202646899U true CN202646899U (en) | 2013-01-02 |
Family
ID=47416007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220325044 Expired - Lifetime CN202646899U (en) | 2012-07-05 | 2012-07-05 | Non-rising stem gate valve with openness indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202646899U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864169A (en) * | 2015-05-19 | 2015-08-26 | 河北金桥平衡阀门有限公司 | Display device for opening or closing state of multi-turn valve |
| 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 |
| CN107327624A (en) * | 2016-11-10 | 2017-11-07 | 林之铠 | A kind of gate valve with indicator for flow rate |
-
2012
- 2012-07-05 CN CN 201220325044 patent/CN202646899U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864169A (en) * | 2015-05-19 | 2015-08-26 | 河北金桥平衡阀门有限公司 | Display device for opening or closing state of multi-turn valve |
| 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 |
| CN107327624A (en) * | 2016-11-10 | 2017-11-07 | 林之铠 | A kind of gate valve with indicator for flow rate |
| CN107327624B (en) * | 2016-11-10 | 2019-03-26 | 奉化市中新阀门有限公司 | A kind of gate valve with indicator for flow rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
| CX01 | Expiry of patent term |