CN214946779U

CN214946779U - Portable valve actuator

Info

Publication number: CN214946779U
Application number: CN202120796604.7U
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 portable valve actuator belongs to valve actuator technical field. The automatic wire drawing box mainly comprises a box body, still including locating manual mechanism and the terminal box on the box, manual mechanism includes the housing, the execution axle, output piece and planetary wheel set, be equipped with the ring gear on the inside wall of housing, the execution axle is rotationally acceptd in the housing, the epaxial sun gear that has of execution, output piece rotationally sets up on the output shaft, planetary wheel set includes at least three planet wheel, a plurality of planet wheels rotationally set up on output piece, every planet wheel meshes with sun gear and ring gear simultaneously, the terminal box includes box body and wiring board, the one end of box body is equipped with the locking part, the lateral wall of locking part and the inside wall clearance fit of terminal box installation position, be equipped with the through wires hole on the box body. The utility model discloses a portable valve actuator can be convenient for operate when switching to manual mode.

Description

Portable valve actuator

Technical Field

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

Background

The valve actuator is used for completing valve control of an industrial pipeline system and is an execution unit of the pipeline control system. The existing valve actuator has numerous inconveniences in use, for example, a hand wheel is directly connected with an output shaft, manual operation is very laborious when the manual mode is switched, and the position of a junction box on the valve actuator is fixed, so that wiring at a threading hole of the junction box is easy to interfere with the operation of the hand wheel, and the operation is inconvenient.

It is therefore desirable to provide a valve actuator that is portable to address the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a portable valve actuator can be convenient for operate when switching to manual mode.

The utility model provides a technical scheme that its technical problem adopted is: a portable valve actuator comprises a box body, wherein an output shaft is arranged in the box body, a clutch sleeve is arranged on the output shaft, the portable valve actuator further comprises a manual mechanism and a junction box, the manual mechanism and the junction box are arranged on the box body, and a junction box mounting position is arranged on the box body and corresponds to the junction box; the manual mechanism comprises a cover, an execution shaft, an output part and planetary wheel sets, the cover is arranged on the box body, an inner gear ring is arranged on the inner side wall of the cover, the execution shaft is rotatably accommodated in the cover, a sun wheel is arranged at one end, close to the output shaft, of the execution shaft, the output part is rotatably arranged on the output shaft, the planetary wheel sets are accommodated between the execution shaft and the output part, each planetary wheel set comprises at least three planetary wheels, a plurality of planetary wheels are rotatably arranged on the output part, the planetary wheels are positioned between the sun wheel and the inner gear ring, each planetary wheel is simultaneously meshed with the sun wheel and the inner gear ring, the junction box comprises a box body and a junction board, one end of the box body is provided with a stop part for installing the box body on the junction box installation position in a matched mode, the outer side wall of the stopping part is in clearance fit with the inner side wall of the junction box mounting position, and the box body is provided with a threading hole.

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.

Further, the clutch sleeve is used for being connected with the output piece.

Furthermore, one end of the output piece, which is close to the clutch sleeve, is integrally connected with a clutch claw, and the clutch claw is used for being in plug-in fit with the clutch sleeve.

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

Furthermore, the planetary wheel set further comprises a plurality of pins, the pins are uniformly distributed and 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 manner.

Furthermore, the number of the planet wheels is three, and the number of the corresponding pins is also three.

Furthermore, the inner side wall of the box body is provided with a protruding part corresponding to the wiring board.

Furthermore, a flange body is arranged on the side surface of the wiring board along the circumferential direction, the flange body is abutted against two end surfaces opposite to the protruding part on the box body, and the outer side wall of the flange body is in clearance fit with the inner side wall of the box body.

The utility model has the advantages that: the utility model discloses a portable valve actuator, wherein manual mechanism includes the housing, the execution axle, planetary wheel set and output, the ring gear has on the inside wall of housing, the one end that the execution axle is close to the output shaft has the sun gear, planetary wheel set includes at least three planet wheel, a plurality of planet wheels rotationally set up on the output, the planet wheel is located between sun gear and ring gear, and every planet wheel meshes with sun gear and ring gear simultaneously, from this the execution axle can drive the output through the planet wheel and rotate, the planet wheel is located the sun gear outside, utilize the planet wheel to lengthen the power arm between execution axle and the output, namely, the drive torque of execution axle has been increaseed, under the unchangeable condition of resistance arm, be more convenient for rotate the execution axle in manual mode in order to drive the output shaft and rotate, and the terminal box includes box body and wiring board, the one end of box body is equipped with the locking portion that is used for installing the box body cooperation on the terminal box installation position, the outer side wall of the stopping part is in clearance fit with the inner side wall of the junction box mounting position, so that the position of the threading hole on the junction box can be adjusted at will, the problem that the hand wheel operation is easily hindered by the wiring of the threading hole is effectively solved, and the portable valve actuator is further convenient to use.

Drawings

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

In the figure: fig. 1 is a schematic perspective view of the portable valve actuator of the present invention;

FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1;

FIG. 3 is an exploded view of the manual mechanism of the portable valve actuator shown in FIG. 1;

FIG. 4 is an exploded view of the terminal block of the portable valve actuator;

FIG. 5 is a cross-sectional view taken along the line B-B in FIG. 1;

1. a box body; 11. an output shaft; 111. a bearing; 112. a clutch sleeve; 12. a junction box mounting position;

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 hand wheel;

3. a junction box; 31. a box body; 311. a stopper portion; 312. a protrusion; 313. threading holes; 32. a wiring board; 321. a flange body; 33. and a top cover.

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 and 2, the utility model provides a portable valve actuator, including box 1, box 1 is inside to have and is used for connecting the valve to output torque is with the output shaft 11 of control flap action, and this portable valve actuator is still including locating manually-operated mechanism 2 and terminal box 3 on box 1, and manually-operated mechanism 2 is used for when this valve actuator switches to manual mode, controls output shaft 11 by the manual work through manually-operated mechanism 2 and rotates, and terminal box 3 is used for being connected the internal line and the external line of this portable actuator.

Referring to fig. 2, the output shaft 11 is rotatably received in the inner cavity of the housing 1, the output shaft 111 is provided with a bearing 111 and a clutch sleeve 112 at intervals corresponding to the manual mechanism 2, and the clutch sleeve 112 is slidably sleeved on the output shaft 111.

As shown in fig. 1, the case 1 has a terminal box mounting portion 12 corresponding to the terminal box 3, and the terminal box mounting portion 12 has a substantially cylindrical structure, more specifically, in the present embodiment, the terminal box mounting portion 12 is integrally formed with the case 1.

Referring to fig. 2 and 3, the manual mechanism 2 includes a housing 21, an actuator shaft 22, a planetary gear set 24, and an output member 23.

Further, as shown in fig. 3, 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 cover 21 is provided coaxially with the output shaft 11. 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 disposed coaxially with the inner ring gear 211 on the housing 21, specifically, as shown in fig. 3, one end of the actuating shaft 22 close to the output shaft 11 is integrally connected with a disc body 221, as shown in fig. 1, an outer end surface of the disc body 221 is slidably abutted against the housing 21, one end of the actuating shaft 22 close to the output shaft 11 is integrally connected with a sun gear 222, and the sun gear 222 is disposed coaxially with the inner ring gear 211.

Referring to fig. 3, 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 is disposed coaxially with the output shaft 11; referring to fig. 3, further, a clutch claw 231 is integrally connected to one end of the output member 23 close to the clutch sleeve 112, and the clutch claw 231 can be in insertion fit with the clutch sleeve 112, so that the output member 23 is circumferentially positioned on the clutch sleeve 112, and thus when the clutch sleeve 112 slides along the axial direction of the output shaft 11, the output member 23 can be connected to the output member 23, so that the output shaft 11 is driven to rotate by 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 gear 222 and ring gear 211, and each planet wheel 241 meshes with sun gear 222 and ring gear 211 simultaneously.

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 distributed and 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 gears 222 thereon are 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 sun gears 222 while rotating around the axis thereof, and since the planetary gear set 24 is connected to the output member 23, the output member 23 is forced to rotate around the axis of the sun gears 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.

As shown in fig. 2, wear pads 243 are mounted on one end of the pin 242 away from the output member 23, and the wear pads 243 slide against the disc 221 of the actuating shaft 22 to prevent the planet gears 241 or the pin 242 from causing serious wear to the actuating shaft 22 when the output member 23 rotates relative to the actuating 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 comprises a hand wheel 25, the hand wheel 25 is arranged outside the box body 1 and is connected with the execution shaft 22, so that the output shaft 11 is controlled to rotate through the hand wheel 25.

The utility model discloses a portable 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 axial slip of output shaft 11 to be connected the cooperation with output 23 on the manual mechanism 2, make valve actuator switch to manual mode, it rotates to rotate hand wheel 25 drive executive spindle 22 this moment, carry out the revolution around sun gear 222 when simultaneously executive spindle 22 will drive the rotation of planet wheel 241, force the output 23 rotation of being connected with planet wheel group 24, it rotates to drive output shaft 11.

Referring to fig. 4, the junction box 3 includes a box body 31, a terminal plate 32, and a top cover 33.

Furthermore, box 31 is generally cylindrical with two open ends, so as to facilitate installation of box 31 on housing 1, one end of box 31 has a stop portion 311 corresponding to junction box installation location 12, stop portion 311 is annular, and the outer diameter of stop portion 311 is smaller than the outer diameter of box 31, as shown in fig. 5, box 31 is detachably fixed on junction box installation location 12 through stop portion 311, so that the end surface of box 31 close to stop portion 311 tightly abuts against the outer end surface of junction box installation location 12, so as to achieve a good sealing effect, and the outer side wall of stop portion 311 is in clearance fit with the inner side wall of junction box installation location 12, so that box 31 can rotate relative to junction box installation location 12 on box 1.

As shown in fig. 4, the inner side wall of the case 31 has a protruding portion 312, and the protruding portion 312 has a substantially annular structure, and in the present embodiment, the protruding portion 312 is integrally formed with the case 31.

Further, the box 31 has a threading hole 313 for passing an external wire therethrough for connection with an actuator internal line.

Referring to fig. 4, the terminal block 32 has a substantially disc-shaped configuration, a flange 321 is provided on a side surface of the terminal block 32 along a circumferential direction, the terminal block 32 is detachably accommodated in the case body 31, and when the terminal block 32 is fixed to the case body 31, the flange 321 abuts against both end surfaces of the case body 31 opposite to the protruding portion 312; and the outer side wall of the flange body 321 is in clearance fit with the inner side wall of the box body 31, so that the wiring board 32 can rotate relative to the box body 31 before the wiring board 32 is assembled with the box body 31, so as to adjust the position of the wiring board 32, and in the embodiment, the wiring board 32 is fixedly connected with the protruding part 312 on the box body 31 through a fastener.

The top cover 33 is detachably covered on one end of the box body 31 far away from the shell 1 so as to isolate the inside and the outside of the box body 31.

The utility model discloses portable valve actuator is when installation terminal box 3, box body 31 is rotated at first relative box 1 selectivity, the position of through wires hole 313 on the adjustment box body 31, hand wheel 25 on the manual mechanism 2 can not be hindered to the wiring until passing through wires hole 313, after the position of box body 31 has been adjusted, be connected the internal line of wiring board 32 with the valve actuator, then be fixed in on the box body 31 with wiring board 32, be connected wiring board 32 with the external line who passes through wires hole 313 afterwards, install top cap 33 on box body 31 at last, and utilize screw or bolt fastening spare to pass top cap 33 and box body 31 and fastening and terminal box installation position 12 on, accomplish the assembly of terminal box 3 and box 1. Because the position of the threading hole 313 on the junction box 3 on the box body 1 can be adjusted at will, the problem that the operation of the hand wheel 25 is easily hindered by the wiring at the threading hole 313 on the junction box 3 is effectively solved.

Therefore the utility model discloses a portable valve actuator has following beneficial effect at least:

the manual mechanism 2 comprises a housing 21, an actuating shaft 22, a planetary gear set 24 and an output member 23, an inner side wall of the housing 21 is provided with an inner gear ring 211, one end of the actuating shaft 22 close to the output shaft 11 is provided with a sun gear 222, 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, each planetary gear 241 is meshed with the sun gear 222 and the inner gear ring 211 simultaneously, so that the actuating shaft 22 can drive the output member 23 to rotate through the planetary gears 241, the planetary gears 241 are positioned outside the sun gear 222, a power arm between the actuating shaft 22 and the output member 23 is lengthened through the planetary gears 241, namely, the driving torque of the actuating shaft 22 is increased, under the condition that a resistance arm is unchanged, the actuating shaft 22 is more convenient to rotate in a manual mode to drive the output shaft 11 to rotate, and the junction box 3 comprises a box body 31 and a junction board 32, one end of the box body 31 is provided with a stopping part 311 which is used for installing the box body 31 on the junction box installation position 11 in a matching mode, the outer side wall of the stopping part 311 is in clearance fit with the inner side wall of the junction box installation position 12, therefore, the position of the threading hole 313 on the junction box 3 on the box body 1 can be adjusted at will, the problem that the hand wheel 25 is easily interfered by the wiring at the threading hole 313 is effectively solved, and the portable valve actuator is further convenient to use.

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 portable valve actuator, includes the box, the output shaft has in the box, be equipped with separation and reunion cover on the output shaft, portable valve actuator is still including locating manual mechanism and terminal box on the box, correspond on the box the terminal box has terminal box installation position, its characterized in that: the manual mechanism comprises a cover, an execution shaft, an output part and planetary wheel sets, the cover is arranged on the box body, an inner gear ring is arranged on the inner side wall of the cover, the execution shaft is rotatably accommodated in the cover, a sun wheel is arranged at one end, close to the output shaft, of the execution shaft, the output part is rotatably arranged on the output shaft, the planetary wheel sets are accommodated between the execution shaft and the output part, each planetary wheel set comprises at least three planetary wheels, a plurality of planetary wheels are rotatably arranged on the output part, the planetary wheels are positioned between the sun wheel and the inner gear ring, each planetary wheel is simultaneously meshed with the sun wheel and the inner gear ring, the junction box comprises a box body and a junction board, one end of the box body is provided with a stop part for installing the box body on the junction box installation position in a matched mode, the outer side wall of the stopping part is in clearance fit with the inner side wall of the junction box mounting position, and the box body is provided with a threading hole.

2. A portable valve actuator according to 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.

3. A portable valve actuator according to claim 1, wherein: the clutch sleeve is used for being connected with the output piece.

4. A portable valve actuator according to claim 3, wherein: one end of the output piece, which is close to the clutch sleeve, is integrally connected with a clutch claw, and the clutch claw is used for being in plug-in fit with the clutch sleeve.

5. A portable valve actuator according to 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.

6. A portable valve actuator according to claim 1, wherein: the planetary wheel set further comprises a plurality of pins, the pins are uniformly distributed and 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.

7. The portable valve actuator of claim 6, wherein: the planet wheel is equipped with three, and the corresponding round pin also is equipped with three.

8. A portable valve actuator according to claim 1, wherein: the inner side wall of the box body is provided with a protruding part corresponding to the wiring board.

9. The portable valve actuator of claim 8, wherein: and the side surface of the wiring board is circumferentially provided with a flange body, the flange body is abutted against two opposite end surfaces of the protruding part on the box body, and the outer side wall of the flange body is in clearance fit with the inner side wall of the box body.