Combined electric actuator

Abstract

The utility model provides a combined type electric actuator which comprises an electric actuating mechanism body, and further comprises a rotary driving component, a manual driving component, a switching component, a transmission component and an angle indicating component. The hand wheel and the hand wheel seat can be separated only by screwing off the connecting bolt, so that the hand wheel and the hand wheel seat can be independently maintained or replaced conveniently, the maintenance and replacement cost is effectively reduced, an angle indication assembly is arranged, when the reduction gearbox is connected with the butterfly valve, an identification plate can effectively display the position of the butterfly valve at the moment, and the maintenance and replacement efficiency is improved. And after the indication angle has an error, the identification plate can be adjusted at the same time, so that the indication angle of the identification plate is more accurate, and the actuator is more reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric actuator technical field especially relates to a combined electric actuator. BACKGROUND

[0002] Patent document CN217307252U discloses an electric actuator with motor protection structure, including the body, the side top of body fixedly connected with terminal post, the top of terminal post is provided with terminal box cover, the outer surface of terminal box cover upper end is fixedly connected with reinforcing ring, the lower end of reinforcing ring is provided with the connecting mechanism for connecting with terminal post, the utility model relates to electric actuator technical field. The electric actuator with motor protection structure, through the connecting mechanism and the clamping mechanism of setting, solve the traditional terminal box cover dismounting mode, not only will cause the damage to terminal box cover, even possibly cause the irreparable damage to electric actuator internal parts, there is the security risk of knocking, bumping to operating personnel, and the mode of using bolt always accompanies the problem of bolt slipping, and then it is more difficult to dismount, and according to the principle of saving cost, the economic efficiency of using too complex structure is not strong.

[0003] However, the hand wheel and the hand wheel seat of the electric actuator are integrally arranged, and the whole needs to be replaced when the part area is maintained, which increases the maintenance cost. Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a combined electric actuator to solve the problems in the above background art.

[0005] The utility model adopts the technical scheme that:

[0006] A combined electric actuator, comprising an electric actuator body, characterized in that it further comprises:

[0007] A rotary drive member is arranged in the electric actuator body and provides a power source for the rotation of the electric actuator.

[0008] A manual drive member is arranged on the top of the electric actuator body and drives the electric actuator to operate.

[0009] An adapter member is arranged on one side of the electric actuator body and connects the cable.

[0010] A transmission member is connected to the electric actuator body and transmits the force of the electric actuator.

[0011] An angle indicating member is connected with the transmission member, and the position relationship of the butterfly valve is displayed by the angle indicating member.

[0012] The utility model further sets up, rotary drive member includes:

[0013] The utility model further sets up, drive box, this drive box sets up in one side of electric actuator body, the surface of this drive box is provided with heat dissipation ridge, rotary motor is provided in this drive box, and the drive box provides power source for electric actuator rotation.

[0014] The utility model further sets up, manual drive member includes:

[0015] Hand wheel seat, this hand wheel seat sets up in the top of electric actuator body, and the top of this hand wheel seat is provided with connecting hole no.

[0016] Hand wheel, this hand wheel sets up in hand wheel seat, and the connecting hole no.

[0017] Connecting bolt, this connecting bolt sets up in hand wheel and hand wheel seat, and the connecting bolt passes through connecting hole no.

[0018] The utility model further sets up, adapter member includes:

[0019] Adapter housing, this adapter housing sets up in one side of electric actuator body, and the adapter housing is provided with assembly cavity in it, and the one side of this adapter housing is provided with adapter hole symmetrically, and the adapter hole makes the assembly cavity in the inside of adapter housing and outside intercommunication, and the adapter housing is provided with terminal block in it.

[0020] The utility model further sets up, transmission member includes:

[0021] Speed reducer, this speed reducer is connected with the bottom of electric actuator, and the speed reducer is provided with containing cavity in it.

[0022] Worm, this worm rotation sets up in speed reducer, and the worm is connected with electric actuator, and the worm transmits the rotation force of electric actuator.

[0023] Worm wheel, this worm wheel rotation sets up in speed reducer, and the worm wheel is connected with worm, and the worm wheel and worm form cooperation.

[0024] The utility model further sets up, angle indicating member includes:

[0025] Driving sleeve, the driving sleeve is set in the worm wheel, and one side of the driving sleeve extends outward towards the speed reducer;

[0026] Limiting groove, the limiting groove is formed in the inner side of the driving sleeve, and the limiting groove extends towards the outer side of the driving sleeve, so as to form a mounting cavity;

[0027] Limiting plate, the limiting plate is arranged in the limiting groove, and the limiting plate is provided with a threaded hole;

[0028] Backing plate, the backing plate is arranged in the limiting groove, and the bottom of the backing plate is in contact with the top of the limiting plate;

[0029] Identification plate, the identification plate is arranged on the surface of the speed reducer, the inner side of the identification plate is in contact with one side of the driving sleeve, a group of through holes are arranged in the identification plate, and the positions of the through holes correspond to the positions of the threaded holes of the limiting plate one by one;

[0030] Connecting bolt one, the connecting bolt one is connected with the identification plate and the limiting plate, and the connecting bolt one passes through the through holes and the threaded holes in sequence, so that the driving sleeve is connected with the identification plate by the connecting bolt one.

[0031] The utility model further sets up, the identification plate is provided with the indication arrow that protrudes outward.

[0032] The utility model discloses the advantages that:

[0033] 1. The utility model discloses a split type setting is set up to hand wheel and hand wheel seat, when the partial area is maintained and is replaced, only needs to make hand wheel and hand wheel seat separate with connecting bolt and can be separated, thereby being convenient for the individual maintenance or replacement of hand wheel and hand wheel seat, and the maintenance and replacement cost are effectively reduced.

[0034] 2. The utility model discloses an angle indication component, when the speed reducer is connected with butterfly valve, the position of butterfly valve can be effectively displayed by identification plate, after indicating angle error, identification plate can be adjusted, and the indicating angle of identification plate is more accurate, and the executor is more reliable. DETAILED DESCRIPTION

[0035] Figure 1 It is the front view of combined electric actuator that the utility model provides.

[0036] Figure 2 It is the perspective view of combined electric actuator that the utility model provides.

[0037] Figure 3 It is the internal structure schematic view of speed reducer that the utility model provides.

[0038] Figure 4 It is the Figure 1A local enlarged view of the middle A.

[0039] Figure 5 The utility model discloses a sealing cover Figure 3 A local enlarged view of the middle B.

[0040] Figure 6 The utility model discloses a sealing cover's structural schematic diagram.

[0041] Digital sign number: electric actuator body 100, drive box 110, hand wheel seat 210, connecting hole one 211, hand wheel 220, connecting hole two 221, connecting bolt 230, adapter housing 310, adapter hole 311, sealing cover 320, reduction gearbox 410, worm 420, worm wheel 430, drive sleeve 510, limit recess 520, limit plate 530, threaded hole 531, backing plate 540, identification plate 550, through -hole 551, indication arrow 552, connecting bolt one 560 Specific implementation

[0042] In order to make the utility model embodiment's purpose, technical scheme and advantage more clearly, below will connect the drawing in the utility model embodiment, clear, complete technical scheme in the utility model embodiment in the utility model embodiment is described. Obviously, the described embodiment is the part embodiment of the utility model, not all embodiments. The components of the utility model embodiment described and shown in the drawing here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawing is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the utility model protection.

[0043] As Figures 1-5 The utility model discloses a combined electric actuator, including electric actuator body 100, still includes rotary drive member, manual drive member, adapter member, transmission member and angle indication member, rotary drive member sets up in electric actuator, and rotary drive member is the power source for electric actuator rotation, manual drive member sets up at the top of electric actuator, and manual drive member drives and drives electric actuator operation, adapter member sets up at one side of electric actuator, and adapter member is connected to cable, transmission member is connected with electric actuator, and transmission member is transmitted to the force of electric actuator, and angle indication member is connected with transmission member, and angle indication member shows the position relation of butterfly valve.

[0044] In the embodiment, the rotary driving member comprises a driving box 110, which is arranged on one side of the electric actuator body, and the surface of the driving box is provided with heat dissipation ribs, and a rotary motor is arranged in the driving box, and the driving box provides a power source for the rotation of the electric actuator.

[0045] In the embodiment, the manual driving member comprises a hand wheel seat 210, a hand wheel 220 and a connecting bolt 230, the hand wheel seat is arranged on the top of the electric actuator body, a connecting hole one 211 is arranged in the top of the hand wheel seat, the hand wheel is arranged in the hand wheel seat, a connecting hole two 221 is arranged in the hand wheel, the positions of the connecting hole one and the connecting hole two correspond to each other, the connecting hole two is provided with an internal thread, the connecting bolt is arranged in the hand wheel and the hand wheel seat, the connecting bolt passes through the connecting hole two and the connecting hole one in sequence, and the connecting bolt is threadedly connected with the connecting hole one and the connecting hole two, so that the hand wheel is fixed on the hand wheel seat by the connecting bolt.

[0046] In the embodiment, the adapter member comprises an adapter shell 310, which is arranged on one side of the electric actuator body, and the adapter shell is provided with an assembly cavity, and the adapter shell is symmetrically provided with an adapter hole 311 on one side, the adapter hole connects the assembly cavity inside the adapter shell with the outside, and the adapter shell is provided with a wiring disc.

[0047] In the embodiment, the transmission member comprises a reduction box 410, a worm 420 and a worm wheel 430, the reduction box is connected with the bottom of the electric actuator, the reduction box is provided with an accommodating cavity, the worm is rotatably arranged in the reduction box, the worm is connected with the electric actuator, the rotation force of the electric actuator is transmitted by the worm, and the worm wheel is rotatably arranged in the reduction box, the worm wheel is connected with the worm, and the worm wheel cooperates with the worm.

[0048] In the embodiment, the angle indicating member comprises a driving sleeve 510, a limiting groove 520, a limiting plate 530, a pad plate 540, an identification plate 550 and a connecting bolt one 560, the driving sleeve is arranged in the middle of the worm wheel, one side of the driving sleeve extends outwardly towards the reduction box, so that the driving sleeve can abut against the identification plate, the limiting groove is formed in the inner side of the driving sleeve and extends towards the outer side of the driving sleeve, so as to form an installation cavity, the limiting plate is arranged in the limiting groove and is provided with a threaded hole 531, the pad plate is arranged in the limiting groove, the bottom of the pad plate is in contact with the top of the limiting plate, the identification plate is arranged on the surface of the reduction box, the inner side of the identification plate is in contact with one side of the driving sleeve, a plurality of through holes 551 are arranged in the identification plate, the positions of the through holes correspond to the positions of the threaded holes of the limiting plate one by one, the connecting bolt one is connected with the identification plate and the limiting plate, and the connecting bolt one passes through the through holes and the threaded holes in sequence, so that the driving sleeve is connected with the identification plate by the connecting bolt one.

[0049] In the embodiment, the identification plate is provided with an outwardly protruding indication arrow 552.

[0050] Embodiment 2

[0051] As Figures 1-6 shown, the embodiment differs from embodiment 1 in that the adapter member comprises an adapter housing 310 and a sealing cover 320, the adapter housing is arranged on one side of the electric actuator body, the adapter housing is provided with an assembly cavity, one side of the adapter housing is symmetrically provided with an adapter hole, the adapter hole connects the assembly cavity inside the adapter housing with the outside, the adapter hole is provided with a thread, the adapter housing is provided with a limiting groove, the limiting groove limits the terminal block, the sealing cover is arranged in the adapter hole of the adapter housing, the outer side of the sealing cover is provided with a thread, the thread is matched with the thread in the adapter hole, the sealing cover and the adapter hole are threadedly matched, the sealing cover seals the adapter hole, so that the adapter hole is not exposed during transportation and non-use, effectively preventing dust from entering the electric actuator from the adapter hole, and the sealing cover is provided with a slot for a screwdriver to unscrew the sealing cover.

[0052] Working principle of the utility model:

[0053] In use, the hand wheel seat is installed in the electric actuator body, the hand wheel is fixed on the hand wheel seat through the connecting bolt, the cable is connected to the terminal block through the adapter hole, the drive box drives the electric actuator to rotate, thereby driving the connected worm to rotate, the worm rotates to drive the worm gear to rotate, the worm gear rotates to drive the drive sleeve to rotate, the drive sleeve drives the limiting plate and the identification plate to rotate, thereby displaying the rotation angle by the identification plate, when the identification plate needs to be adjusted, only the connecting bolt one needs to be loosened, so that the limiting plate and the pad plate are not in abutment with the drive sleeve, thereby the identification plate can be rotated alone, the angle of the identification plate is adjusted, after adjustment, only the connecting bolt one needs to be tightened, so that the limiting plate abuts the pad plate on the drive sleeve, thereby the adjusting plate rotates with the drive sleeve.

[0054] In the description of this utility model, it should be noted that when terms such as "upper," "lower," "inner," "outer," "left," and "right" appear to indicate orientation or positional relationships, they should be understood as being based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationships commonly used when the product of this utility model is in use, or the orientation or positional relationships commonly understood by those skilled in the art. These terms are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, when terms such as "first" and "second" appear, they are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this utility model, it should also be noted that unless otherwise explicitly specified and limited, terms such as "installation," "setting," and "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

Claims

1. A combined electric actuator, comprising an electric actuator body, characterized in that, Also includes: A rotary drive component is disposed in the electric actuator body, and the rotary drive component provides a power source for the rotation of the electric actuator. A manual drive component is located on top of the electric actuator body and is used to drive the electric actuator to operate. A connecting component is provided on one side of the electric actuator body, and the cable is connected by the connecting component; A transmission component is connected to the electric actuator body and transmits force to the electric actuator through the transmission component; An angle indicator component, which is connected to the transmission component, is used to display the positional relationship of the butterfly valve.

2. The combined electric actuator according to claim 1, characterized in that, The rotary drive component includes: The drive box is located on one side of the electric actuator body. The surface of the drive box is provided with heat dissipation ridges. The drive box contains a rotary motor, which provides the power source for the rotation of the electric actuator.

3. A combined electric actuator according to claim 1, characterized in that, The manually driven components include: A handwheel base is provided on the top of the electric actuator body, and a connection hole is provided in the top of the handwheel base; A handwheel is provided in a handwheel seat. The handwheel has a second connecting hole, which corresponds to the position of the first connecting hole. The second connecting hole has an internal thread. A connecting bolt is provided in the handwheel and the handwheel seat. The connecting bolt passes through the second connecting hole and the first connecting hole in sequence. The connecting bolt forms a threaded engagement with the first connecting hole and the second connecting hole, and the connecting bolt fixes the handwheel to the handwheel seat.

4. A combined electric actuator according to claim 1, characterized in that, The adapter components include: The adapter housing is located on one side of the electric actuator body. The adapter housing has an assembly cavity and symmetrically arranged adapter holes on one side, which connect the assembly cavity inside the adapter housing to the outside. The adapter housing also has a wiring panel.

5. A combined electric actuator according to claim 1, characterized in that, The transmission components include: A gearbox is connected to the bottom of the electric actuator, and the gearbox has a receiving cavity. The worm gear is rotatably mounted in the gearbox and is connected to the electric actuator, through which the worm gear transmits the rotational force of the electric actuator. A worm gear is rotatably mounted in a gearbox. The worm gear is connected to the worm, and the worm gear and the worm form a mating mechanism.

6. A combined electric actuator according to claim 5, characterized in that, The angle indicating component includes: A drive sleeve is located in the middle of the worm gear, with one side of the drive sleeve extending outward toward the gearbox; A limiting groove is formed on the inner side of the drive sleeve and extends toward the outer side of the drive sleeve to form an installation cavity; A limiting plate, which is disposed in a limiting groove and has a threaded hole therein; A pad is disposed in a limiting groove, and the bottom of the pad is in contact with the top of the limiting plate; The marking plate is set on the surface of the gearbox. The inner side of the marking plate is in contact with one side of the drive sleeve. The marking plate is provided with a set of through holes, and the position of the through holes corresponds one-to-one with the position of the threaded holes of the limit plate. Connecting bolt one, which is connected to the marking plate and the limiting plate, passes through the through hole and the threaded hole in sequence, and the driving sleeve is connected to the marking plate by connecting bolt one.

7. A combined electric actuator according to claim 6, characterized in that, The signboard features outward-protruding directional arrows.

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