CN2596144Y - Composite planet actuating mechanism - Google Patents
Composite planet actuating mechanism Download PDFInfo
- Publication number
- CN2596144Y CN2596144Y CN 03210903 CN03210903U CN2596144Y CN 2596144 Y CN2596144 Y CN 2596144Y CN 03210903 CN03210903 CN 03210903 CN 03210903 U CN03210903 U CN 03210903U CN 2596144 Y CN2596144 Y CN 2596144Y
- Authority
- CN
- China
- Prior art keywords
- planetary gear
- actuating mechanism
- planetary
- motor
- bearing
- 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
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a speed adjusting technology of a valve, particularly a composite planet actuating mechanism. The composite planet actuating mechanism comprises a motor, a sun wheel, a planet gear group, a shaft coupling, a bearing, and an inner tooth ring. A shaft of the motor is a tubular hollow structure, and the sun wheel is installed on the shaft of the motor. The inner side of a 3-5 stage speed adjusting mechanism which is composed of the planet gear group is engaged with the sun wheel, and the outer side of the 3-5 stage speed adjusting mechanism is engaged with the inner tooth ring. The bearing is positioned between a planet gear seat of the planet gear group and a bearing rack. The last stage planet gear seat and the shaft coupling are fixedly connected. The shaft coupling and a valve rod on a valve body are installed together. The composite planet actuating mechanism also comprises a through core shaft, one end of the through core shaft and the shaft coupling are fixedly connected, the other end of the through core shaft passes through the planet gear seat of the planet gear group and the tubular hollow structure of the shaft of the motor, and the end head of the other end of the through core shaft is exposed outside the shaft. A cam is fixedly connected to the end head position which is exposed. A convex peak of the cam is contacted and connected with a control switch installed on the motor when a valve is opened, and the control switch and a relay are electrically connected. The composite planet actuating mechanism has small volume, low cost, and reliable running.
Description
Technical field
The utility model relates to the valve speed adjusting technique, specifically a kind of composite planetary actuating mechanism.
Background technique
Electric actuator is adopted in valve speed governing at present more, its structure generally adopts the multistep speed regulation case, also (comprising imported product) of useful worm mechanism, but be volume big (the volume ratio valve is big doubly a lot of) mostly, cost height (price does not wait at 2000 yuan～10,000 yuan), be 5～20 times of the price of valve own, thereby be difficult to apply, be considered as a big difficulty of valve automation control.
The model utility content
Above-mentioned volume is big in order to overcome, the high deficiency of cost, and the purpose of this utility model provides the composite planetary actuating mechanism that a kind of volume is little, cost is low and reliable.
To achieve these goals, the technical solution of the utility model is: mainly comprise motor, sun gear, planetary gear set, coupling, bearing and internal gear, it is characterized in that: described motor shaft is the tubular, hollow structure, sun gear is installed on the axle of motor, 3～5 grades of speed regulating mechanisms that are made of planetary gear set mesh with sun gear engagement, the outside and internal gear inboard, bearing is in planetary gear set between Planetary gear seat and the bearing bracket stand, afterbody Planetary gear seat and coupling are connected, and coupling is installed together by the valve rod on key or pin and the valve body; Also comprise the punching axle, described punching axle one end is connected by pin and coupling, the other end pass Planetary gear seat, the motor of planetary gear set central siphon shape hollow-core construction, its termination is exposed to outside the axle, the described end that leans out is connected cam thereon with locating pin; The protruding peak of described cam contacts when the valve opening with control switch on being installed in motor and is connected; Control switch is electrically connected with relay;
Described planetary gear set has 3～5 grades of planet wheels, every group of structure is identical, also comprise Planetary gear seat, planet pin, wherein: first order planet wheel is in a side and sun gear engagement, in opposite side and internal gear engagement, and be installed on the Planetary gear seat by planet pin, upper level Planetary gear seat and next stage planetary pinion are connected, and afterbody Planetary gear seat and coupling are connected; Bearing is positioned at the Planetary gear seat outside, bearing bracket stand inboard, and frame Planetary gear seat and rotated; Adopt combined threaded rod to fit together between internal gear and the bearing bracket stand; Add the described cam of transparent scale cover, together with transposition pointer and control switch on it in it; One transposition pointer is installed above described cam; Between punching axle and Planetary gear seat, be provided with oil-impregnated bearing; The quantity that every grade of planet wheel is installed on the Planetary gear seat is 2～6, and uniform; Between described planetary gear set and motor, establish end cap, be used for the convenient motor of installing; The peak-to-peak angle of described cam can be 45 °, 90 °, 180 ° or 270 °; Described bearing is for adopting axle sleeve or rolling bearing structure.
Compared with prior art, the utlity model has following beneficial effect:
1. reliable.The utility model adopts multistage planet mechanism, with three multiple tooth engagements simultaneously of planetary set, makes it not only reduce volume greatly, has guaranteed that again intensity is reliable;
2. cost is low.The utility model price only is 1/5th～20 of traditional actuator, thereby have using value and market prospects preferably, and simultaneously can import substitutes, save foreign exchange, being the novel product that a kind of valency is low, intensity is reliable, volume is small and exquisite, is the new design of valve actuator.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is that the K of Fig. 1 is to view.
Embodiment
Below in conjunction with drawings and Examples in detail the utility model is described in detail.
As shown in Figure 1, 2, the utility model mainly comprises motor 1, sun gear 2, planetary gear set, coupling, bearing and internal gear, 1 19 in described motor is the tubular, hollow structure, sun gear 2 is installed on the axle 19 of motor 1,3～5 grades of speed regulating mechanisms that are made of planetary gear set mesh with sun gear 2 engagements, the outside and internal gear 5 inboard, bearing 6 is in planetary gear set between Planetary gear seat and the bearing bracket stand 7, afterbody Planetary gear seat 4 is connected with coupling 9, and the valve rod 12 on coupling 9 (by key 11 or pin) and the valve body 13 is installed together; Also comprise punching axle 17, described punching axle 17 1 ends (by pin 15) are connected with coupling 9, the other end pass Planetary gear seat, the motor 1 of planetary gear set axle 19 tubular, hollow structures, its termination is exposed to outside the axle 19, the described end that leans out (with locating pin 20) is connected cam 18 thereon; The protruding peak of described cam 18 contacts when the valve opening with control switch 21 on being installed in motor 1 and is connected; Control switch 21 is electrically connected with relay; One transposition pointer 22 is installed, the respective angles that indication is moved above described cam 18;
Described planetary gear set has 3 grades of planet wheels 3, every group of structure is identical, also comprise Planetary gear seat 4, planet pin 8, wherein: first order planet wheel 3 is in a side and sun gear 2 engagements, in opposite side and internal gear 5 engagements, and be installed on the Planetary gear seat 4 by planet pin 8, upper level Planetary gear seat 4 is connected with next stage planetary pinion 3, and afterbody Planetary gear seat 4 is connected with coupling 9; Bearing 6 is positioned at Planetary gear seat 4 outsides, bearing bracket stand 7 inboards, (frame Planetary gear seat 4 and rotated); Adopt combined threaded rod 10 to fit together between internal gear 5 and the bearing bracket stand 7;
In addition, described cam 18 covers with transparent scale 23 together with the outside of transposition pointer 22 on it and control switch 21; Between punching axle 17 and Planetary gear seat 4, be provided with oil-impregnated bearing 14; The quantity that every grade of planet wheel 3 is installed on the Planetary gear seat 4 is 2～6, and present embodiment quantity is 2, and is distributed on the Planetary gear seat 4; Between described planetary gear set and motor 1, establish end cap 16, be used to install motor 1; Cam 18 peak-to-peak angles can be 45 °, 90 °, 180 ° or 270 °, decide the angle that switch is set according to field requirement; Present embodiment quantity is 180 °; Described bearing 6 is for adopting axle sleeve or rolling bearing structure, and present embodiment adopts rolling bearing structure; The whole metallic material that adopts of the utility model is manufactured also available engineering plastics.
The utility model working principle is as follows:
Claims (9)
1. composite planetary actuating mechanism, mainly comprise motor (1), sun gear (2), planetary gear set, coupling, bearing and internal gear, it is characterized in that: described motor (1) axle (19) is the tubular, hollow structure, sun gear (2) is installed on the axle (19) of motor (1), 3～5 grades of speed regulating mechanisms that are made of planetary gear set mesh with sun gear (2) inboard, the outside and internal gear (5) engagement, bearing (6) is arranged between planetary gear set Planetary gear seat and the bearing bracket stand (7), afterbody Planetary gear seat (4) is connected with coupling (9), and the valve rod (12) on coupling (9) and the valve body (13) is installed together; Also comprise punching axle (17), described punching axle (17) one ends and coupling (9) are connected, the other end pass Planetary gear seat, the motor (1) of planetary gear set axle (19) tubular, hollow structure, its termination is exposed to outside the axle (19), the described end that leans out is connected cam (18) thereon; The protruding peak of described cam (18) contacts when the valve opening with control switch (21) on being installed in motor (1) and is connected; Control switch (21) is electrically connected with relay.
2. according to the described composite planetary actuating mechanism of claim 1, it is characterized in that: described planetary gear set has 3～5 grades of planet wheels (3), every group of structure is identical, also comprise Planetary gear seat (4), planet pin (8), wherein: first order planet wheel (3) is in a side and sun gear (2) engagement, in opposite side and internal gear (5) engagement, and be installed on the Planetary gear seat (4) by planet pin (8), upper level Planetary gear seat (4) is connected with next stage planetary pinion (3), and afterbody Planetary gear seat (4) is connected with coupling (9); Bearing (6) is positioned at Planetary gear seat (4) outside, bearing bracket stand (7) inboard; Adopt combined threaded rod (10) to fit together between internal gear (5) and the bearing bracket stand (7).
3. according to the described composite planetary actuating mechanism of claim 1, it is characterized in that: add transparent scale (23) cover described cam (18), together with transposition pointer (22) on it and control switch (21) in it.
4. according to the described composite planetary actuating mechanism of claim 1, it is characterized in that: one transposition pointer (22) is installed in described cam (18) top.
5. according to claim 1 or 2 described composite planetary actuating mechanism, it is characterized in that: between punching axle (17) and Planetary gear seat (4), be provided with oil-impregnated bearing (14).
6. according to the described composite planetary actuating mechanism of claim 2, it is characterized in that: the quantity that every grade of planet wheel (3) is installed on the Planetary gear seat (4) is 2～6, and uniform.
7. according to claim 1 or 2 described composite planetary actuating mechanism, it is characterized in that: between described planetary gear set and motor (1), establish end cap (16).
8. according to claim 1 or 4 described composite planetary actuating mechanism, it is characterized in that: the peak-to-peak angle of described cam (18) can be 45 °, 90 °, 180 ° or 270 °.
9. according to claim 1 or 2 described composite planetary actuating mechanism, it is characterized in that: described bearing (6) is for adopting axle sleeve or rolling bearing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03210903 CN2596144Y (en) | 2003-01-10 | 2003-01-10 | Composite planet actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03210903 CN2596144Y (en) | 2003-01-10 | 2003-01-10 | Composite planet actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2596144Y true CN2596144Y (en) | 2003-12-31 |
Family
ID=33754157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03210903 Expired - Lifetime CN2596144Y (en) | 2003-01-10 | 2003-01-10 | Composite planet actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2596144Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317521C (en) * | 2003-01-10 | 2007-05-23 | 中国科学院金属研究所 | Composite planetary actuating mechanism |
| CN111750127A (en) * | 2019-03-28 | 2020-10-09 | 杭州三花研究院有限公司 | Electric valve |
-
2003
- 2003-01-10 CN CN 03210903 patent/CN2596144Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317521C (en) * | 2003-01-10 | 2007-05-23 | 中国科学院金属研究所 | Composite planetary actuating mechanism |
| CN111750127A (en) * | 2019-03-28 | 2020-10-09 | 杭州三花研究院有限公司 | Electric valve |
| CN111750127B (en) * | 2019-03-28 | 2022-03-25 | 杭州三花研究院有限公司 | Electric valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20030110 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |