CN214946777U

CN214946777U - Manual labor-saving valve actuator

Info

Publication number: CN214946777U
Application number: CN202120794934.2U
Authority: CN
Inventors: 靳义坤; 靳辉; 靳磊
Original assignee: Changzhou Chenglei Valve Technology Co ltd
Current assignee: Changzhou Chenglei Valve Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-30
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a manual laborsaving valve actuator belongs to valve actuator technical field. The manual mechanism mainly comprises a housing, an execution shaft, a planetary wheel set and an output piece, the housing is arranged on a box body, an inner gear ring is arranged on the inner side wall of the housing, the execution shaft is rotatably accommodated in the housing, a sun wheel is arranged at one end, close to the planetary wheel set, of the execution shaft, the sun wheel and the inner gear ring are coaxially arranged, the output piece is rotatably arranged on an output shaft, a clutch sleeve can slide along the output shaft and is connected with the output piece, the planetary wheel set is accommodated between the execution shaft and the output piece, the planetary wheel set comprises at least three planetary wheels, a plurality of planetary wheels are rotatably arranged on the output piece, the planetary wheels are positioned between the sun wheel and the inner gear ring, and each planetary wheel is meshed with the sun wheel and the inner gear ring. The utility model discloses a manual laborsaving valve actuator for valve actuator operates more laborsavingly when manual mode.

Description

Manual labor-saving valve actuator

Technical Field

The utility model relates to a valve actuator technical field, concretely relates to manual laborsaving valve actuator.

Background

The valve actuator is a machine for controlling the opening and closing operation of the valve. The hand wheel is directly connected with the output shaft through the clutch structure when the old valve actuator is in a manual mode, so that the operation is laborious, and the operation is particularly obvious on a large-scale valve actuator.

It is therefore desirable to provide a manually operated, labor saving valve actuator that addresses the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the manual labor-saving valve actuator is provided, so that the valve actuator is more labor-saving to operate in a manual mode.

The utility model provides a technical scheme that its technical problem adopted is: a manual labor-saving valve actuator comprises a box body, wherein an output shaft is arranged in the box body, and a clutch sleeve is slidably arranged on the output shaft; the valve actuator also comprises a manual mechanism, the manual mechanism comprises a housing, an actuating shaft, a planetary gear set and an output piece, the casing is arranged on the box body, an inner gear ring is arranged on the inner side wall of the casing, the execution shaft is rotatably accommodated in the casing, one end of the execution shaft close to the planetary wheel set is provided with a sun gear which is coaxially arranged with the inner gear ring, the output part is rotatably arranged on the output shaft, the clutch sleeve can slide along the output shaft and is connected with the output part, the planetary wheel set is accommodated between the execution shaft and the output element, the planetary wheel set comprises at least three planetary wheels, a plurality of planetary wheels are rotatably arranged on the output element, the planet gears are positioned between the sun gear and the inner gear ring, and each planet gear is meshed with the sun gear and the inner gear ring.

Furthermore, the cover is roughly in a cylindrical structure with two open ends, and the cover is detachably fixed on the box body along the approximate axial direction of the output shaft.

Furthermore, one end of the execution shaft is integrally connected with a disc body, and the outer end face of the disc body is in sliding support on the housing.

Furthermore, a bearing is installed on the output shaft corresponding to the manual mechanism, and the output part is sleeved on the bearing of the output shaft.

Furthermore, one end of the output piece, which is close to the clutch sleeve, is provided with a clutch claw, and the clutch claw can be in insertion fit with the clutch sleeve, so that the output piece is circumferentially positioned on the clutch sleeve.

Furthermore, the planetary wheel set further comprises a plurality of pins and a wear pad, the pins are uniformly fixed on the end face, close to the execution shaft, of the output piece along the circumferential direction of the output piece, and the planetary wheels are rotatably sleeved on the pins in a one-to-one correspondence mode.

Furthermore, the wear pads are mounted at one end, far away from the output part, of the pin in a one-to-one correspondence manner, and the wear pads are all abutted to the disc body of the execution shaft in a sliding manner.

Furthermore, the planet wheel is equipped with three, round pin and wear pad also are equipped with three respectively.

Furthermore, the manual mechanism further comprises a hand wheel, the hand wheel is arranged outside the box body and connected with the execution shaft, so that the output shaft is controlled to rotate through the hand wheel in a manual mode.

The utility model has the advantages that: the utility model discloses manual laborsaving valve actuator, this valve actuator still includes manually-operated mechanism, manually-operated mechanism includes the housing, the execution axle, planet wheelset and output, the ring gear has on the inside wall of housing, the one end that the execution axle is close to planet wheelset has the sun gear, planet wheelset includes at least three planet wheel, a plurality of planet wheels rotationally set up on output, the planet wheel is located between sun gear and the ring gear, and every planet wheel meshes with sun gear and ring gear mutually, from this the execution axle can drive output through the planet wheel and rotate, the planet wheel is located the sun gear outside, utilize the planet wheel to increase the power arm between execution axle and output, the driving torque of execution axle has been increaseed promptly, under the unchangeable condition of resistance arm, make to rotate execution axle drive output shaft and rotate and can be more laborsaving.

Drawings

The present invention will be further explained with reference to the drawings and examples.

In the figure: fig. 1 is a schematic structural view of a manual labor-saving valve actuator of the present invention;

fig. 2 is an exploded schematic view of a manual mechanism in the manual labor-saving valve actuator of the present invention;

1. a box body; 11. an output shaft; 111. a bearing; 112. a clutch sleeve;

2. a manual mechanism; 21. a housing; 211. an inner gear ring; 22. an execution shaft; 221. a tray body; 222. a sun gear; 23. a planetary gear set; 231. a planet wheel; 232. a pin; 233. a wear pad; 24. an output member; 241. a clutch pawl; 25. a handwheel.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in fig. 1, the utility model provides a manual laborsaving valve actuator, including box 1, box 1 is inside to have an output shaft 11 that is used for connecting the valve and controls the valve action, and this valve actuator is still including locating manual mechanism 2 on box 1, and manual mechanism 2 is used for controlling output shaft 11 through manual mechanism 2 and rotates when valve actuator is in manual mode.

With further reference to fig. 1, the output shaft 11 is rotatably received in the inner cavity of the housing 1, a bearing 111 and a clutch sleeve 112 are mounted on the output shaft 111 at intervals corresponding to the manual mechanism 2, and the clutch sleeve 112 is slidably sleeved on the output shaft 111 and away from the manual mechanism 2.

Referring to fig. 1 and 2, the manual mechanism 2 includes a housing 21, an actuator shaft 22, a planetary gear set 24, and an output member 23.

The cover 21 has a substantially cylindrical structure with both ends open, and the cover 21 is detachably fixed to the case 1 in a substantially axial direction of the output shaft 11, and in the present embodiment, the axis of the cover 21 coincides with the axis of the output shaft 11.

More specifically, the inner side wall of the housing 21 has an inner ring gear 211 provided along the axial direction of the housing 21.

The actuating shaft 22 is rotatably accommodated in the housing 21, and the actuating shaft 22 is coaxially disposed with the inner ring gear 211 on the housing 21, more specifically, one end of the actuating shaft 22 is integrally connected with a disc body 221, an outer end surface of the disc body 221 slidably abuts against the housing 21, one end of the actuating shaft 22 close to the planetary gear set 24 is integrally connected with a sun gear 222, and the sun gear 222 and the inner ring gear 211 are coaxially disposed.

The output member 23 is substantially a disk-shaped structure, the output member 23 is rotatably disposed on the output shaft 11, more specifically, the output member 23 is sleeved on a bearing 111 of the output shaft 11, so that the output member 23 can rotate relative to the output shaft 11, and the output member 23 and the output shaft 11 are coaxially disposed; referring to fig. 2, more specifically, one end of the output member 23 close to the clutch sleeve 112 has a clutch claw 231, and the clutch claw 231 can be in plug-in engagement with the clutch sleeve 112, so that the output member 23 is circumferentially positioned on the clutch sleeve 112, thereby the clutch sleeve 112 can slide along the axial direction of the output shaft 11 and can be connected with the output member 23, so as to drive the output shaft 11 to rotate through the output member 23 in the manual mode.

Planetary gear set 24 is accommodated between actuating shaft 22 and output member 23, planetary gear set 24 includes at least three planet wheels 241, a plurality of planet wheels 241 are evenly distributed on the end surface of output member 23 close to actuating shaft 22 along the circumference of output member 23, and a plurality of planet wheels 241 are all rotatably disposed on the end surface of output member 23, so that planet wheels 241 are located between sun wheel 222 and ring gear 211, and each planet wheel 241 is meshed with sun wheel 222 and ring gear 211.

Specifically, the planetary gear set 24 further includes a plurality of pins 242 and a wear pad 243, the plurality of pins 242 are uniformly fixed on an end surface of the output member 23 close to the actuating shaft 22 along a circumferential direction of the output member 23, the plurality of planetary gears 241 are rotatably sleeved on the pins 242 in a one-to-one correspondence manner, so that when the actuating shaft 22 rotates, the sun gear 222 on the actuating shaft is engaged to drive the planetary gears 241 to rotate, and since the planetary gears 241 are engaged with the inner gear ring 211, the planetary gears 241 are forced to rotate around an axis of the planetary gears 241 and simultaneously rotate around an axis of the sun gear 222, and since the planetary gear set 24 is connected to the output member 23, the output member 23 is driven to rotate around an axis of the sun gear 222. The execution shaft 22 drives the output member 23 to rotate through the planetary gear 241, and therefore, the planetary gear 241 is located on the outer side of the sun gear 222, the power arm between the execution shaft 22 and the output member 23 is lengthened through the planetary gear 241, the driving torque of the execution shaft 22 is increased, and the execution shaft 22 can be rotated more easily under the condition that the resistance arm is not changed.

Wear pads 243 are mounted one-to-one on the end of the pin 242 remote from the output member 23, and the wear pads 243 slide against the disc 221 of the actuator shaft 22 for preventing the planet gears 241 or the pin 242 from causing severe wear to the actuator shaft 22 when the output member 23 rotates relative to the actuator shaft 22.

In the present embodiment, three planetary gears 241 are provided, and three corresponding pins 242 and wear pads 243 are provided.

In a specific embodiment, the manual mechanism 2 further includes a handwheel 25, the handwheel 25 is disposed outside the housing 1 and connected to the actuating shaft 22, so that the output shaft 11 can be operated to rotate through the handwheel 25 in the manual mode.

The utility model discloses a manual laborsaving valve actuator is when using, when needs carry out manual control, through switching mechanism (not shown) make on the output shaft 11 separation and reunion cover 112 along the output shaft 11 the endwise slip to be connected the cooperation with output 23 on the manually-operated mechanism 2, thereby make the utility model discloses a manual laborsaving valve actuator switches to manual mode, rotates hand wheel 25 this moment and drives the execution axle 22 and rotate, and the execution axle 22 revolves around sun gear 222 when will driving planet wheel 241 rotation simultaneously to force the output 23 of being connected with planet wheel group 24 rotatory, drive output shaft 11 and rotate.

Therefore, the utility model discloses a manual laborsaving valve actuator has following beneficial effect at least:

the valve actuator also comprises a manual mechanism 2, the manual mechanism 2 comprises a housing 21, an actuating shaft 22, a planetary gear set 24 and an output member 23, an inner gear ring 211 is arranged on the inner side wall of the housing 21, a sun gear 222 is arranged at one end, close to the planetary gear set 24, of the actuating shaft 22, the planetary gear set 24 comprises at least three planetary gears 241, a plurality of planetary gears 241 are rotatably arranged on the output member 23, the planetary gears 241 are positioned between the sun gear 222 and the inner gear ring 211, and each planet gear 241 is meshed with the sun gear 222 and the inner gear ring 211, so that the actuating shaft 22 can drive the output member 23 to rotate through the planet gear 241, the planet gear 241 is positioned outside the sun gear 222, the power arm between the actuating shaft 22 and the output member 23 is lengthened through the planet gear 241, namely, the driving torque of the actuating shaft 22 is increased, and the force for rotating the actuating shaft 22 to drive the output shaft 11 to rotate can be saved under the condition that the resistance arm is not changed.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a manual laborsaving valve actuator, includes the box, have the output shaft in the box, be equipped with separation and reunion cover on the output shaft slidable, its characterized in that: the valve actuator also comprises a manual mechanism, the manual mechanism comprises a housing, an actuating shaft, a planetary gear set and an output piece, the casing is arranged on the box body, an inner gear ring is arranged on the inner side wall of the casing, the execution shaft is rotatably accommodated in the casing, one end of the execution shaft close to the planetary wheel set is provided with a sun gear which is coaxially arranged with the inner gear ring, the output part is rotatably arranged on the output shaft, the clutch sleeve can slide along the output shaft and is connected with the output part, the planetary wheel set is accommodated between the execution shaft and the output element, the planetary wheel set comprises at least three planetary wheels, a plurality of planetary wheels are rotatably arranged on the output element, the planet gears are positioned between the sun gear and the inner gear ring, and each planet gear is meshed with the sun gear and the inner gear ring.

2. A manual labor-saving valve actuator as defined in claim 1 wherein: the cover is roughly in a cylindrical structure with two open ends, and the cover is detachably fixed on the box body along the axial direction of the output shaft.

3. A manual labor-saving valve actuator as defined in claim 1 wherein: one end of the execution shaft is integrally connected with a disc body, and the outer end face of the disc body is in sliding support on the housing.

4. A manual labor-saving valve actuator as defined in claim 1 wherein: the output shaft is provided with a bearing corresponding to the manual mechanism, and the output part is sleeved on the bearing of the output shaft.

5. A manual labor-saving valve actuator as defined in claim 1 wherein: and one end of the output piece close to the clutch sleeve is provided with a clutch claw which is used for being matched with the clutch sleeve in an inserted manner, so that the output piece is circumferentially positioned on the clutch sleeve.

6. A manual labor-saving valve actuator as defined in claim 1 wherein: the planetary wheel set further comprises a plurality of pins and a wear pad, the pins are uniformly fixed on the end face, close to the execution shaft, of the output piece along the circumferential direction of the output piece, and the planetary wheels are sleeved on the pins in a one-to-one corresponding mode.

7. A manual labor-saving valve actuator as defined in claim 6 wherein: the wear pads are mounted at one end, far away from the output piece, of the pin in a one-to-one correspondence mode, and the wear pads are all abutted to the disc body of the execution shaft in a sliding mode.

8. A manual, labor-saving valve actuator as defined in claim 7 wherein: the planet wheel is equipped with threely, round pin and wear pad also are equipped with threely respectively.

9. A manual labor-saving valve actuator as defined in claim 1 wherein: the manual mechanism further comprises a hand wheel, the hand wheel is arranged outside the box body and connected with the execution shaft, and the hand wheel is used for controlling the output shaft to rotate in a manual mode.