CN214425226U

CN214425226U - Electric actuator

Info

Publication number: CN214425226U
Application number: CN202023100516.3U
Authority: CN
Inventors: 罗道关
Original assignee: Aage Zhejiang Intelligent Technology Co ltd
Current assignee: Aage Zhejiang Intelligent Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-10-19
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an electric actuator. The technical key points are as follows: be equipped with drive change mechanism in the casing, drive change mechanism is including intermeshing's first adjusting gear and second adjusting gear, actuating lever and driven lever, the setting that first adjusting gear can slide is in first transmission shaft, the setting of second adjusting gear is on the second transmission shaft, second adjusting gear and regulation pole meshing, be equipped with the catch bar on the driven lever, partial catch bar is relative with adjusting gear, be equipped with regulating spring in the first transmission shaft, be equipped with reset spring between driven lever and the casing, be equipped with the drive hole on the casing, the actuating lever is worn out from the drive hole, be equipped with state retaining mechanism between actuating lever and the driven lever, the utility model discloses can manually adjust the executor also electrically adjustable executor and then adjusting valve, convenient to use, it is nimble.

Description

Electric actuator

Technical Field

The utility model relates to an executor field, more specifically the utility model relates to an electric actuator.

Background

The electric actuator is used for controlling the opening and closing degree of the valve, the existing electric actuator is controlled in an electric mode, however, when power failure or motor damage and the like need manual control, the valve cannot be controlled under the condition that the electric actuator is not detached, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide an electric actuator of manual electronic dual control.

In order to achieve the above purpose, the utility model provides a following technical scheme: an electric actuator comprising: the transmission assembly comprises a first transmission shaft and a second transmission shaft, the first transmission shaft is provided with a first transmission gear, the second transmission shaft is provided with a second transmission gear, the first transmission gear is respectively connected with the driving gear and the second transmission gear, the shell is provided with a rotating hole, the rotating hole is provided with a manual button, the manual button is connected with the adjusting rod, the shell is internally provided with a drive change mechanism, the drive change mechanism comprises a first adjusting gear and a second adjusting gear which are meshed with each other, a driving rod and a driven rod, the first adjusting gear can be arranged on the first transmission shaft in a sliding manner, the second adjusting gear is arranged on the second transmission shaft, the second adjusting gear is meshed with the adjusting rod, the driven rod is provided with a push rod, part of the push rod is opposite to the adjusting gear, the first transmission shaft is provided with an adjusting spring, a reset spring is arranged between the driven rod and the shell, the shell is provided with a driving hole, the driving rod penetrates out of the driving hole, and a state maintaining mechanism is arranged between the driving rod and the driven rod.

As a further improvement, the central point of manual button puts and is equipped with first connecting hole, the central point of adjusting the pole puts and is equipped with the second connecting hole, first connecting hole and the coaxial and constant diameter of second connecting hole, be equipped with the fixed screw in the first connecting hole, wear out the casing after the fixed screw pierces through the second connecting hole.

As a further improvement, the inside cavity of actuating lever, the actuating lever is equipped with electronic groove towards one side of driven lever, and the part between the adjacent manual groove is manual portion, the tip of manual portion is equipped with manual groove, and in partial driven lever penetrated the actuating lever, be equipped with the state maintenance piece on the driven lever, the state maintenance piece can imbed the state maintenance inslot, the tip of state maintenance piece can imbed manual inslot, be equipped with the spacing ring on the actuating lever, the diameter of spacing ring is greater than the diameter in drive hole.

As a further improvement, the shell is internally provided with a limiting mechanism, the limiting mechanism comprises a limiting block and a limiting switch, the limiting switch is connected with the motor and used for controlling whether the motor runs or not, the limiting block is fixedly connected on the regulating shaft, and the limiting switch is arranged on the side of the regulating shaft and is opposite to the limiting block.

As a further improvement of the utility model, be equipped with the pointer on the manual button, the casing is equipped with the gear around the manual button.

As a further improvement of the present invention, the one end of the drive rod penetrating out of the housing is provided with a directional arrow, a status icon is provided near the drive hole, and the status icon is used for representing the drive type of the current electric actuator.

The beneficial effects of the utility model, but manual regulation executor also electric control executor and then adjusting valve, convenient to use, it is nimble.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure from below;

FIG. 4 is a schematic diagram of an internal top view structure;

fig. 5 is a schematic view of the drive changing mechanism.

Description of the labeling: 1. a housing; 11. a motor; 111. a driving gear; 12. rotating the hole; 121. a manual button; 1211. A first connection hole; 1212. a pointer; 1213. a gear position; 13. a drive aperture; 2. a transmission assembly; 21. a first drive shaft; 22. a second drive shaft; 23. a first drive gear; 24. a second transmission gear; 3. adjusting a rod; 31. a second connection hole; 4. a drive change mechanism; 41. a first adjusting gear; 42. a second adjusting gear; 43. a drive rod; 431. an electric tank; 432. a manual section; 4321. a manual slot; 433. a limiting ring; 434. A pointing arrow; 435. a status icon; 44. a driven lever; 441. a push rod; 442. a state holding block; 45. adjusting the spring; 46. a return spring; 5. a state holding mechanism; 6. fixing screws; 7. a limiting mechanism; 71. a limit switch; 72. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to embodiments shown in the drawings.

Referring to fig. 1 to 5, an electric actuator according to the present embodiment includes: the device comprises a shell 1, a motor 11, a transmission assembly 2 and an adjusting rod 3 which are arranged in the shell 1, wherein a driving gear 111 is arranged on a rotating shaft of the motor 11, the transmission assembly 2 is connected with the driving gear 111 and the adjusting rod 3, the transmission assembly 2 comprises a first transmission shaft 21 and a second transmission shaft 22, a first transmission gear 23 is arranged on the first transmission shaft 21, a second transmission gear 24 is arranged on the second transmission shaft 22, the first transmission gear 23 is respectively connected with the driving gear 111 and the second transmission gear 24, a rotary hole 12 is arranged on the shell 1, a manual button 121 is arranged on the rotary hole 12, the manual button 121 is connected with the adjusting rod 3, a drive change mechanism 4 is arranged in the shell 1, the drive change mechanism 4 comprises a first adjusting gear 41 and a second adjusting gear 42 which are meshed with each other, a driving rod 43 and a driven rod 44, the first adjusting gear 41 is arranged on the first transmission shaft 21 in a sliding manner, the second adjusting gear 42 is arranged on the second transmission shaft 22, the second adjusting gear 42 is meshed with the adjusting rod 3, a push rod 441 is arranged on the driven rod 44, part of the push rod 441 is opposite to the adjusting gear, an adjusting spring 45 is arranged on the first transmission shaft 21, a return spring 46 is arranged between the driven rod 44 and the shell 1, a driving hole 13 is formed in the shell 1, the driving rod 43 penetrates out of the driving hole 13, and a state maintaining mechanism 5 is arranged between the driving rod 43 and the driven rod 44.

According to the technical scheme, before the valve adjusting device is used, the electric actuator is connected with the valve, the adjusting rod 3 is connected with the valve, the valve can be adjusted, when the valve is adjusted in an electric mode, the motor 11 rotates to drive the driving gear 111 to rotate, the driving gear 111 rotates to drive the first transmission gear 23 to rotate, the second transmission gear 24 rotates, the first adjusting gear 41 rotates to drive the second adjusting gear 42 to rotate, and the second adjusting gear 42 rotates to drive the adjusting rod 3 to rotate, so that the valve is adjusted; when the valve needs to be adjusted under manual abrasion, the driving rod 43 penetrating through the shell 1 is manually adjusted firstly, so that the driven rod 44 is driven to move, the driven rod 44 moves, so that the reset spring 46 is driven to deform, the driven rod 44 moves, meanwhile, the first adjusting gear 41 is pushed to move, so that the first adjusting gear is disengaged from the second transmission gear 24, at the moment, the adjusting spring 45 deforms, at the moment, the state maintaining mechanism 5 maintains the state of the driven rod 44, in this state, the motor 11 rotates to drive the first transmission gear 23 and the second transmission gear 24 to rotate, the adjusting rod 3 cannot be driven to rotate, only the manual button 121 needs to be grasped during manual adjustment, and the manual button 121 is rotated to rotate the adjusting rod 3, so that the valve is adjusted. When the manual adjustment mode is adjusted back to the automatic adjustment mode again, the driving rod 43 penetrating through the housing 1 is manually adjusted first, so that the state maintaining mechanism 5 no longer maintains the state of the driven rod 44, at this time, the return spring 46 is reset to drive the driven rod 44 to reset, at this time, the state maintaining mechanism 5 maintains the state after the driven rod 44 is reset, the adjustment spring 45 is reset to drive the first adjustment gear 41 to reset, and the first adjustment gear 41 is re-engaged with the second transmission gear 24. The actuator can be adjusted manually or electrically, so that the valve can be adjusted, and the valve is convenient and flexible to use.

As a modified specific embodiment, a first connection hole 1211 is disposed at a center position of the manual knob 121, a second connection hole 31 is disposed at a center position of the adjustment lever 3, the first connection hole 1211 is coaxial with and has the same diameter as the second connection hole 31, a fixing screw 6 is disposed in the first connection hole 1211, and the fixing screw 6 penetrates through the second connection hole 31 and then passes through the housing 1.

Through the technical scheme, when the electric actuator is installed on the valve, the electric actuator is firstly placed on the valve, the adjusting rod 3 is connected with the valve, then the fixing screw 6 sequentially penetrates through the first connecting hole 1211 and the second connecting hole 31, then penetrates through the valve and is connected with the valve. The first connection hole 1211 is the center of the manual button 121, the second connection hole 31 is the center of the adjustment lever 3, and after the connection with the valve, the connection position is the center of the adjustment lever 3, thereby ensuring more stability and reliability during adjustment.

As a modified specific embodiment, the driving rod 43 is hollow, one side of the driving rod 43 facing the driven rod 44 is provided with an electric slot 431, a portion between adjacent manual slots 4321 is a manual portion 432, an end portion of the manual portion 432 is provided with a manual slot 4321, a portion of the driven rod 44 penetrates into the driving rod 43, the driven rod 44 is provided with a state retaining block 442, the state retaining block 442 can be inserted into the state retaining slot, an end portion of the state retaining block 442 can be inserted into the manual slot 4321, the driving rod 43 is provided with a limit ring 433, and a diameter of the limit ring 433 is greater than a diameter of the driving hole 13.

With the above arrangement, in the manual mode, the state retaining block 442 is fitted into the manual groove 4321, and the return spring 46 is compressed. When the manual mode is adjusted to the electric mode, the driving lever 43 is rotated, the driven lever 44 is compressed first during the rotation, and then the state retaining block 442 faces the electric groove 431, the return spring 46 is returned to move the driven lever 44 toward the driving lever 43, and the state retaining block 442 fits into the electric groove 431. Part of the driven rod 44 is embedded in the driving rod 43, so that the driving rod 43 is more stable in the rotating process, and the diameter of the limit ring 433 is larger than that of the driving hole 13, so that the position of the driving rod 43 is stable and reliable in the rotating process.

As an improved specific embodiment, a limiting mechanism 7 is arranged in the housing 1, the limiting mechanism 7 includes a limiting block 72 and a limiting switch 71, the limiting switch 71 is connected with the motor 11 and is used for controlling whether the motor 11 operates, the limiting block 72 is fixedly connected to the adjusting shaft, and the limiting switch 71 is arranged on the side of the adjusting shaft and is opposite to the limiting block 72.

Through the technical scheme, in the rotating process of the motor 11 driving adjusting rod 3, the limiting block 72 rotates along with the rotation of the adjusting rod 3, when the adjusting rod 3 rotates to the limiting position, the limiting block 72 is abutted to the limiting switch 71, the motor 11 is controlled to be closed, and the situation that the actuator is damaged due to the fact that the motor 11 continuously rotates after the adjusting rod 3 adjusts the valve to the limiting position is avoided.

As a modified specific embodiment, the manual button 121 is provided with a pointer 1212, and the housing 1 is provided with a shift position 1213 around the manual button 121.

Through the technical scheme, when the adjusting rod 3 rotates, the manual button 121 synchronously rotates, and the pointer 1212 points to the gear 1213, so that a user can observe the opening condition of the valve conveniently.

As a modified specific embodiment, the end of the driving rod 43, which penetrates out of the housing 1, is provided with a pointing arrow 434, and a status icon 435 is provided near the driving hole 13, where the status icon 435 is used to indicate the driving type of the current electric actuator.

Through the technical scheme, the pointing arrow 434 points to the state icon 435, so that the actuator can be clearly known to be in which working state, the use is convenient, and the damage of the actuator caused by wrong use is avoided.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An electric actuator comprising: casing (1) and motor (11), drive assembly (2) and regulation pole (3) of setting in casing (1), be equipped with driving gear (111) in the pivot of motor (11), drive assembly (2) are connected driving gear (111) and are adjusted pole (3), its characterized in that: the transmission assembly (2) comprises a first transmission shaft (21) and a second transmission shaft (22), a first transmission gear (23) is arranged on the first transmission shaft (21), a second transmission gear (24) is arranged on the second transmission shaft (22), the first transmission gear (23) is respectively connected with a driving gear (111) and the second transmission gear (24), a rotary hole (12) is formed in the shell (1), a manual button (121) is arranged on the rotary hole (12), the manual button (121) is connected with the adjusting rod (3), a drive change mechanism (4) is arranged in the shell (1), the drive change mechanism (4) comprises a first adjusting gear (41) and a second adjusting gear (42), a driving rod (43) and a driven rod (44) which are meshed with each other, and the first adjusting gear (41) is arranged on the first transmission shaft (21) in a sliding manner, second adjusting gear (42) sets up on second transmission shaft (22), second adjusting gear (42) and regulation pole (3) meshing, be equipped with catch bar (441) on driven lever (44), part catch bar (441) are relative with adjusting gear, be equipped with adjusting spring (45) on first transmission shaft (21), be equipped with reset spring (46) between driven lever (44) and casing (1), be equipped with drive hole (13) on casing (1), wear out in drive hole (13) in actuating lever (43), be equipped with state retaining mechanism (5) between actuating lever (43) and driven lever (44).

2. The electric actuator of claim 1, wherein: the center position of manual button (121) is equipped with first connecting hole (1211), the center position of adjusting pole (3) is equipped with second connecting hole (31), first connecting hole (1211) and second connecting hole (31) are coaxial and the constant diameter, be equipped with set screw (6) in first connecting hole (1211), set screw (6) are worn out casing (1) after penetrating second connecting hole (31).

3. The electric actuator of claim 1, wherein: the inside cavity of actuating lever (43), one side of actuating lever (43) orientation driven lever (44) is equipped with electronic groove (431), and the part between adjacent manual groove (4321) is manual portion (432), the tip of manual portion (432) is equipped with manual groove (4321), and partial driven lever (44) penetrate in actuating lever (43), be equipped with state retaining block (442) on driven lever (44), state retaining block (442) insertible state retaining inslot, the tip of state retaining block (442) can be imbedded in manual groove (4321), be equipped with spacing ring (433) on actuating lever (43), the diameter of spacing ring (433) is greater than the diameter of drive hole (13).

4. The electric actuator of claim 1, wherein: be equipped with stop gear (7) in casing (1), stop gear (7) are including stopper (72), limit switch (71) are connected with motor (11) for whether control motor (11) move, stopper (72) fixed connection is on the regulating spindle, limit switch (71) set up the side at the regulating spindle, and is relative with stopper (72) position.

5. The electric actuator of claim 1, wherein: the manual button (121) is provided with a pointer (1212), and the shell (1) is provided with gears (1213) around the manual button (121).

6. The electric actuator of claim 1, wherein: one end of the driving rod (43) penetrating out of the shell (1) is provided with a pointing arrow (434), a state icon (435) is arranged near the driving hole (13), and the state icon (435) is used for indicating the driving type of the current electric actuator.