CN203532931U - Speed changer in valve handle drive mode - Google Patents
Speed changer in valve handle drive mode Download PDFInfo
- Publication number
- CN203532931U CN203532931U CN201320512775.8U CN201320512775U CN203532931U CN 203532931 U CN203532931 U CN 203532931U CN 201320512775 U CN201320512775 U CN 201320512775U CN 203532931 U CN203532931 U CN 203532931U
- Authority
- CN
- China
- Prior art keywords
- gear
- transmission shaft
- speed changer
- valve handle
- end 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 - Lifetime
Links
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a speed changer in a valve handle drive mode. The speed changer comprises a transmission shaft, an upper end cover, a center movable gear rotary shaft and a lower end cover, wherein the transmission shaft can move vertically and be located; the lower end of the transmission shaft is provided with a matching gear; the upper end cover, the center movable gear rotary shaft and the lower end cover are arranged on the transmission shaft sequentially in a sleeved mode; the center movable gear rotary shaft is sleeved with a speed change bull gear. The transmission further comprises a speed change pinion fixed to the upper end face of the center movable gear rotary shaft. The center movable gear rotary shaft or the speed change pinion is in gear mesh with the matching gear when the transmission shaft is located at different positions, and the speed change pinion is in gear mesh with the speed change bull gear. According to the speed changer in the valve handle drive mode, through the vertical movement of the transmission shaft, the matching gear at the lowest section of the transmission shaft is connected and matched with the speed change pinion and the speed change bull gear so as to drive a valve rod.
Description
Technical field
The utility model is related to a kind of valve actuator, specially valve handle driving speed changer.
Background technology
During valve opening and closing, the design and selection of valve actuator are particularly significant.Main valve type of drive has manual actuation, motorized motions in the market, surging drives and linkage driving (electro-hydraulic driving).Wherein, Vidacare corp has with strong applicability, output torque scope is wide, easy to control, the various signals such as direct current, exchange, shortwave, pulse can freely be used, the advantages of facilitating suitable for work, installation and the Maintenance and Repair such as amplification, memory, logic judgment and calculating, but simultaneously its complex structure, expensive and mechanical efficiency is low;Drive device of surging has simple in construction, compact, small volume, High power output, energy variable speed and energy far distance automatic controlling, but the easy oil temperature change of drive device of surging causes change, Hydraulic Elements and the pipeline easy to leak of oil viscosity, accompanies pipe, maintenance is inconvenient, be unsuitable for carrying out various computings for signal.Therefore, in the market valve using it is most be manual actuation valve, the characteristics of it has simple in construction, with low cost and easy to maintenance, but traditional handwheel driving has operational torque big, the shortcomings of labor intensity is high during workman's opening/shutting valve.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of valve handle driving speed changer, handwheel driving is realized two-stage drive, operational torque and reduction labor strength during effective reduction valve opening and closing process.
To solve above-mentioned technical problem, valve handle provided by the utility model drives speed changer, including that can move up and down and position and power transmission shaft of the lower end with mate gear, and upper end cover, central movable rotary gear shaft and bottom end cover on power transmission shaft are sequentially sleeved at, also it is arranged with speed change gear wheel in the outside of central movable rotary gear shaft;The speed changer also includes the change speed pinion being fixed on central movable rotary gear shaft upper surface;Gear is engaged when power transmission shaft is in different positioning between mate gear respectively for the central movable rotary gear shaft, change speed pinion, and gear is engaged between the change speed pinion and speed change gear wheel.
Further, the middle part of the upper end cover is provided with upward fixed column, the fixed column laterally to offer is sequentially provided with Positioning screw, adjustable spring and positioning hoodle from outside to inside in positioning hole, the positioning hole;The annular recessed circle that two circles are caught in positioning for positioning hoodle is offered on the axle body of the power transmission shaft.
Further, offered on the downside of the upper end cover in mounting groove, the mounting groove and thrust ball bearing is installed, the thrust ball bearing is set on power transmission shaft.
Further, the top of the central movable rotary gear shaft is to be arranged with two fixing axles on the table top with diameter greater than its body, the upper surface of table top, and the change speed pinion is fixed in the fixing axle, the gear of the speed change gear wheel sets within it upper lateral part position, is engaged with change speed pinion.
Further, two supporting tables contour with fixing axle are also symmetrically arranged with the upper surface of described table top.
Further, the gear of the central movable rotary gear shaft is arranged on the inner side of table top.
Further, positioning baffle is provided between the table top and bottom end cover.
Further, it is bolted fixation between the upper end cover, speed change gear wheel and bottom end cover.
Further, the upper end of the power transmission shaft offers the keyway for installing handwheel.
Valve handle disclosed in the utility model drives up and down motion of the speed changer by power transmission shaft, connection between the mate gear and change speed pinion of power transmission shaft lowermost and speed change gear wheel is coordinated the purpose for reaching driving valve rod.Power transmission shaft allows power transmission shaft to move up and down and screens by positioning hoodle and being engaged with annular recessed circle thereon.When power transmission shaft, which moves downwardly to its mate gear and big change-speed gearing, to be coordinated, now rotating valve handwheel, flashboard opening speed is fast, when rotary shaft, which moves up to its mate gear, to be coordinated with change speed pinion, now rotating valve handwheel, flashboard opens relatively slow, but operational torque is small.Rapid operation, labor intensity is low (especially for bigbore valve).
Brief description of the drawings
Accompanying drawing 3 is the overlooking the structure diagram of upper end cover;
The overlooking the structure diagram of free gear rotating shaft centered on accompanying drawing 4;
Accompanying drawing 5 is A-A faces structural representation in Fig. 4;
Accompanying drawing 6 is B-B faces structural representation in Fig. 4;
Accompanying drawing 7 is the overlooking the structure diagram of speed change gear wheel;
Accompanying drawing 8 is the cross-sectional view of speed change gear wheel;
Accompanying drawing 9 is the overlooking the structure diagram of bottom end cover;
Accompanying drawing 10 is the cross-sectional view of bottom end cover;
Accompanying drawing 11 is the overlooking the structure diagram of change speed pinion;
Accompanying drawing 12 is the cross-sectional view of change speed pinion;
Accompanying drawing 13 is the structural representation of power transmission shaft.
Label in figure:1- power transmission shafts;The recessed circle of 11- annulars;12- mate gears;2- upper end covers;21- mounting holes;22- Positioning screws;23- adjustable springs;24- positions hoodle;25- fixed columns;26- mounting grooves;3- bottom end covers;4- speed change gear wheels;5- change speed pinions;6- central movable rotary gear shafts;61- fixing axles;62- table tops;63- supporting tables;7- thrust ball bearings;8- bolts;9- positioning baffles.
Embodiment
As shown in figures 1-13, valve handle of the present utility model drives speed changer, including power transmission shaft 1 (power transmission shaft 1 is specific as shown in figure 13), the lower end of power transmission shaft 1 is provided with mate gear 12, upper end cover 2, central movable rotary gear shaft 6 and bottom end cover 3 are arranged with power transmission shaft 1, speed change gear wheel 4 is also arranged with the outside of central movable rotary gear shaft 6, is connected between the upper end cover 2, speed change gear wheel 4 and bottom end cover 3 by bolt 8.
The top of the central movable rotary gear shaft 6 is the table top 62 with diameter greater than its body, two fixing axles 61 are arranged with the upper surface of table top 62, a change speed pinion 5 is respectively fixed with each fixing axle 61, the gear of the speed change gear wheel 4 sets within it upper lateral part position, engaged with change speed pinion 5, the lower inside position of speed change gear wheel 4 is then not provided with gear.The lateral surface of table top 62 is fitted with the lower inside gearless part of speed change gear wheel 4.Two supporting tables 63 contour with fixing axle 61 are also symmetrically arranged with the upper surface of described table top 62.Inner side positioned at the table top 62 of central movable rotary gear shaft 6 is provided with gear.
The middle part of the upper end cover 2 is provided with upward fixed column 25, the fixed column 25 laterally to offer is sequentially provided with Positioning screw 22, adjustable spring 23 and positioning hoodle 24 from outside to inside in positioning hole 21, the positioning hole 21;The annular recessed circle 11 that two circles are caught in positioning for positioning hoodle 24 is offered on the axle body of the power transmission shaft 1.I.e. power transmission shaft 1 can move up and down, and realize dual-positioning by positioning being caught in for hoodle 24, when power transmission shaft 1 is in different positioning, it can realize that gear is engaged between central movable rotary gear shaft 6, change speed pinion 5 respectively, then gear is engaged the change speed pinion 5 between speed change gear wheel 4 all the time.Offered in the downside of upper end cover 2 in mounting groove 26, the mounting groove 26 and thrust ball bearing 7 is installed, the thrust ball bearing 7 is set on power transmission shaft 1.
The upper end of the power transmission shaft 1 offers the keyway 13 for installing handwheel.
When positioned at such as Fig. 1 positions, the mate gear 12 of the lower end of power transmission shaft 1 is engaged with the gear of the inner side of table top 62 of central movable rotary gear shaft 6, when therefore through hand wheel rotating power transmission shaft 1, power transmission shaft 1 drives central movable rotary gear shaft 6 to rotate, central movable rotary gear shaft 6 is driven the rotation of change speed pinion 5 by fixing axle 61 thereon again, change speed pinion 5 drives the rotation of the speed change gear wheel 4 engaged again, because central movable rotary gear shaft 6 is rotated coaxially with power transmission shaft 1, now labor intensity is larger, but flashboard opening speed is fast.
When power transmission shaft 1 is pulled upwardly, when the mate gear 12 of its lower end is directly engaged with change speed pinion 5, rotate handwheel, power transmission shaft 1 is rotated, and drives change speed pinion 5 to rotate, change speed pinion 5 drives the rotation of speed change gear wheel 4, now flashboard is opened slower, but operational torque is small, rapid operation, labor intensity is low.
User can carry out as above speed governing according to demand.
Above-mentioned embodiment is exemplary, is to preferably make skilled artisans appreciate that the utility model, it is impossible to be not understood as the limitation to the utility model protection domain;As long as making any equivalent change or modification made by the spirit according to disclosed in the utility model, the scope of the utility model protection is each fallen within.
Claims (9)
1. a kind of valve handle drives speed changer, it is characterised in that:The speed changer includes to move up and down and positioning and power transmission shaft (1) of the lower end with mate gear (12), and upper end cover (2), central movable rotary gear shaft (6) and bottom end cover (3) on power transmission shaft (1) are sequentially sleeved at, also it is arranged with speed change gear wheel (4) in the outside of central movable rotary gear shaft (6);The speed changer also includes the change speed pinion (5) being fixed on central movable rotary gear shaft (6) upper surface;Gear is engaged when power transmission shaft (1) is in different positioning between mate gear (12) respectively for the central movable rotary gear shaft (6), change speed pinion (5), and gear is engaged between the change speed pinion (5) and speed change gear wheel (4).
2. valve handle according to claim 1 drives speed changer, it is characterised in that:The middle part of the upper end cover (2) is provided with upward fixed column (25), laterally offered on the fixed column (25) and be sequentially provided with Positioning screw (22), adjustable spring (23) and positioning hoodle (24) in positioning hole (21), the positioning hole (21) from outside to inside;The annular recessed circle (11) that two circles are caught in positioning for positioning hoodle (24) is offered on the axle body of the power transmission shaft (1).
3. valve handle according to claim 1 drives speed changer, it is characterised in that:Offered on the downside of the upper end cover (2) in mounting groove (26), the mounting groove (26) and thrust ball bearing (7) is installed, the thrust ball bearing (7) is set on power transmission shaft (1).
4. valve handle according to claim 1 drives speed changer, it is characterised in that:The top of the central movable rotary gear shaft (6) is the table top (62) with diameter greater than its body, two fixing axles (61) are arranged with the upper surface of table top (62), the change speed pinion (5) is fixed in the fixing axle (61), the gear of the speed change gear wheel (4) sets within it upper lateral part position, is engaged with change speed pinion (5).
5. valve handle according to claim 4 drives speed changer, it is characterised in that:Two supporting tables (63) contour with fixing axle (61) are also symmetrically arranged with the upper surface of described table top (62).
6. valve handle according to claim 4 drives speed changer, it is characterised in that:The gear of the central movable rotary gear shaft (6) is arranged on the inner side of table top (62).
7. valve handle according to claim 4 drives speed changer, it is characterised in that:Positioning baffle (9) is provided between the table top (62) and bottom end cover (3).
8. valve handle according to claim 1 drives speed changer, it is characterised in that:It is connected between the upper end cover (2), speed change gear wheel (4) and bottom end cover (3) by bolt (8).
9. valve handle according to claim 1 drives speed changer, it is characterised in that:The upper end of the power transmission shaft (1) offers the keyway (13) for installing handwheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512775.8U CN203532931U (en) | 2013-08-21 | 2013-08-21 | Speed changer in valve handle drive mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512775.8U CN203532931U (en) | 2013-08-21 | 2013-08-21 | Speed changer in valve handle drive mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532931U true CN203532931U (en) | 2014-04-09 |
Family
ID=50419139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320512775.8U Expired - Lifetime CN203532931U (en) | 2013-08-21 | 2013-08-21 | Speed changer in valve handle drive mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203532931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613224A (en) * | 2015-02-10 | 2015-05-13 | 江西南洋电子科技有限公司 | Electronic temperature control valve |
| CN104633258A (en) * | 2015-02-10 | 2015-05-20 | 江西南洋电子科技有限公司 | Electronic thermostat valve control device |
-
2013
- 2013-08-21 CN CN201320512775.8U patent/CN203532931U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613224A (en) * | 2015-02-10 | 2015-05-13 | 江西南洋电子科技有限公司 | Electronic temperature control valve |
| CN104633258A (en) * | 2015-02-10 | 2015-05-20 | 江西南洋电子科技有限公司 | Electronic thermostat valve control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100555466C (en) | Panel lifting mechanism | |
| CN203532930U (en) | Partial rotating valve three-level manual driving device | |
| CN203532931U (en) | Speed changer in valve handle drive mode | |
| CN201599480U (en) | Linkage transmission device for part of revolving valves | |
| CN201705875U (en) | Screw lifting device | |
| CN206701985U (en) | A kind of diameter adjustable hydraulic pressure ball casing apparatus for shaping | |
| CN201715080U (en) | Multi-rotary valve gear reducer | |
| CN103925140B (en) | The straight leaf formula vertical pivot hydraulic turbine | |
| CN210034468U (en) | Intelligent water control valve device | |
| CN201496645U (en) | Electric valve executer manual and electric switching device | |
| CN201462157U (en) | Valve rod lifting device for valve | |
| CN110374183A (en) | A kind of automatic lifting apparatus of well lid and application method | |
| CN203131183U (en) | Differential link electric control valve at discharge hole of dry-mixed mortar storage tank | |
| CN208485556U (en) | A kind of hydraulic power lift clutch for automobile | |
| CN203585250U (en) | Hydrostatic stepless speed changing device | |
| CN203272634U (en) | Combined type gear speed reducer for copper pipe coiling and drawing machine | |
| CN215669360U (en) | Small gate opening and closing device | |
| CN202402588U (en) | Mechanical gearbox | |
| CN207005227U (en) | A kind of variable speed reduction box | |
| CN201412592Y (en) | Valve manual driving device | |
| CN201412591Y (en) | Valve manual device | |
| CN208778825U (en) | Valve rod valve rotating device | |
| CN201650271U (en) | Wireless logging while drilling motor type pulse generator | |
| CN203431106U (en) | Gear reducer capable of carrying out speed regulating without being shut down | |
| CN201448450U (en) | Thrust type manual valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
|
| CX01 | Expiry of patent term |