Manual driving device of electric actuating mechanism

Abstract

The utility model provides a manual driving device of an electric actuating mechanism, which comprises an electric actuating mechanism shell, a connecting component, a rotating component, a limiting component and a holding component, and is characterized in that a hand wheel and a rotating seat are connected by arranging a bolt, so that the split type design of the hand wheel and the rotating seat is realized; when the hand wheel or the rotating seat needs to be independently replaced, the maintenance cost is greatly reduced, through the arrangement of the handle and the auxiliary handle, multiple choices are provided for rotating the hand wheel, the electric actuating mechanism can better adapt to various conditions of rotating the hand wheel, the hand wheel is more convenient and easier to rotate, the electric actuating mechanism is more reliable, and through the arrangement of the limiting assembly, the electric actuating mechanism is more stable. And the rotating seat is limited by the limiting assembly, so that the positioning precision of the limiting seat is effectively ensured, the limiting seat is prevented from shifting or shaking, and the rotation of the hand wheel is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of electric actuators, in particular to a manual driving device of an electric actuator. Background Art

[0002] Patent document CN221300267U discloses a safe and reliable electric actuator in the technical field of electric actuators, including an electric actuator body and an operating handwheel arranged on the electric actuator body; mounting rods are provided on both sides of the outer wall of the electric actuator body, and adjustment components are provided on the mounting rods on both sides, and the adjustment components on both sides are connected to the mounting ring, and the adjustment components are used to adjust the height of the mounting ring; the mounting ring is located outside the top of the outer wall of the operating handwheel. When the operating handwheel is not in use, the buffer airbag is aligned with the height of the top of the outer wall of the operating handwheel, so that when a worker accidentally hits the buffer airbag when passing by, he can avoid hitting the operating handwheel, thereby making the electric actuator safe and reliable during operation.

[0003] However, the hand wheel and the rotating seat of the above-mentioned electric actuator are integrated. When the hand wheel or the rotating seat needs to be repaired or replaced, the entirety needs to be replaced, which increases the maintenance cost. Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to provide a manual drive device for an electric actuator to solve the problems raised in the above background technology.

[0005] The technical solution adopted by the present invention to solve its technical problems is:

[0006] A manual drive device for an electric actuator, an electric actuator housing, further comprising:

[0007] A connecting assembly is provided on the top of the electric actuator housing and is rotatable in the electric actuator;

[0008] A rotating assembly, which is connected to the connecting assembly and is driven by the rotating assembly to rotate the connecting assembly;

[0009] A limit assembly is provided between the connecting assembly and the housing of the electric actuator, and limits the connecting assembly by the limit assembly;

[0010] The holding assembly is arranged in the rotating assembly, and the rotating assembly is driven by the holding assembly to rotate.

[0011] The utility model is further configured such that the connection assembly includes:

[0012] The rotating seat is arranged on the top of the electric actuator housing. A mounting hole is provided on the top of the rotating seat, and an internal thread is provided in the mounting hole. A clearance groove is provided at the bottom of the rotating seat. The clearance groove reduces the contact area between the rotating seat and the electric actuator housing. A positioning groove is provided on the top of the rotating seat.

[0013] The utility model is further configured such that the rotating assembly includes:

[0014] A handwheel is provided on the top of the rotating seat, and an assembly hole is provided in the handwheel, an internal thread is provided in the assembly hole, the assembly hole corresponds to the position of the mounting hole of the rotating seat, a bolt is provided in the assembly hole, the handwheel is connected to the rotating seat through the bolt, and a limiting groove is provided at the bottom of the handwheel, the limiting groove and the positioning groove constitute a fixed space, and the sealing member is fixed by the fixed space;

[0015] A mounting hole 1 is provided at the top of the hand wheel and has an internal thread;

[0016] The second mounting hole is arranged on the side of the hand wheel and is provided with an internal thread.

[0017] The utility model is further configured such that the limit assembly includes:

[0018] A first limiting groove is formed on the inner wall of the electric actuator housing, and the cross section of the limiting groove is triangular;

[0019] The second limiting groove is formed on the outside of the rotating seat. The cross section of the second limiting groove is triangular. The position of the second limiting groove corresponds to the position of the first limiting groove. The second limiting groove and the first limiting groove form a limiting cavity;

[0020] The limiting member is arranged in the limiting cavity and abuts against the limiting groove 1 and the limiting groove 2 respectively. The limiting member limits the rotating seat to ensure the accuracy of its axial position.

[0021] The utility model is further configured such that the grip assembly includes:

[0022] A handle, which can be respectively arranged in the first mounting hole and the second mounting hole, the bottom of the handle is provided with an external thread, the handle and the first mounting hole and the second mounting hole form a threaded fit, and the top of the handle is provided with a threaded hole;

[0023] The auxiliary handle is detachably arranged in the threaded hole of the handle. The bottom of the auxiliary handle is provided with a thread, and the thread of the auxiliary handle and the threaded hole of the handle form a threaded fit.

[0024] The present invention is further configured such that anti-slip pads are provided on the handle and the auxiliary handle.

[0025] The advantages of the present invention are:

[0026] 1. The utility model connects the hand wheel and the rotating seat by setting bolts, thereby realizing a split design of the hand wheel and the rotating seat. When the hand wheel or the rotating seat needs to be replaced separately, the maintenance cost is greatly reduced.

[0027] 2. The utility model provides a variety of options for turning the handwheel by setting a handle and an auxiliary handle, which can better adapt to various conditions of turning the handwheel, making turning the handwheel more convenient and easy, and making the electric actuator more reliable. At the same time, when the handle is not needed, the handle and the auxiliary handle can be disassembled to prevent them from affecting the staff.

[0028] 3. The present invention sets a limit assembly to limit the rotating seat, thereby effectively ensuring the positioning accuracy of the limit seat, preventing the limit seat from deflecting or shaking, and making the rotation of the handwheel more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional diagram of the manual drive device of the electric actuator proposed by the present utility model.

[0030] Figure 2 It is a front view of the manual drive device of the electric actuator proposed by the utility model.

[0031] Figure 3 The utility model proposes Figure 2 A partial enlarged view of point A in the middle.

[0032] Numbers: Electric actuator housing 100, rotating seat 110, clearance groove 111, handwheel 210, mounting hole 1 220, mounting hole 2 230, bolt 240, limiting groove 1 310, limiting groove 2 320, limiting member 330, handle 410, auxiliary handle 420, threaded hole 411, anti-slip pad 510 DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0034] like Figure 1-3 As shown, the utility model proposes a manual drive device for an electric actuator, an electric actuator housing 100, and also includes a connecting component, a rotating component, a limiting component and a holding component. The connecting component is arranged at the top of the electric actuator housing, and the connecting component can rotate in the electric actuator. The rotating component is connected to the connecting component, and the connecting component is driven to rotate by the rotating component. The limiting component is arranged between the connecting component and the electric actuator housing, and the connecting component is limited by the limiting component. The holding component is arranged in the rotating component, and the rotating component is driven to rotate by the holding component.

[0035] In this embodiment, the connecting assembly includes a rotating seat 110, which is arranged on the top of the electric actuator housing. A mounting hole is provided on the top of the rotating seat, and an internal thread is provided in the mounting hole. A clearance groove 111 is provided at the bottom of the rotating seat. The clearance groove reduces the contact area between the rotating seat and the electric actuator housing, and a positioning groove is provided on the top of the rotating seat.

[0036] In this embodiment, the rotating assembly includes a handwheel 210, a mounting hole 1 220 and a mounting hole 2 230. The handwheel is arranged at the top of the rotating seat. An assembly hole is provided in the handwheel. An internal thread is provided in the assembly hole. The assembly hole corresponds to the position of the mounting hole of the rotating seat. A bolt 240 is provided in the assembly hole. The handwheel is connected to the rotating seat through the bolt. A limiting groove is provided at the bottom of the handwheel. The limiting groove and the positioning groove constitute a fixed space. The seal is fixed by the fixed space. The mounting hole 1 is provided at the top of the handwheel. An internal thread is provided in the mounting hole 1. The mounting hole 2 is provided on the side of the handwheel. An internal thread is provided in the mounting hole 2.

[0037] In this embodiment, the limiting assembly includes a limiting groove 1 310, a limiting groove 2 320 and a limiting member 330. The limiting groove 1 is formed on the inner wall of the electric actuator housing, and the cross-section of the limiting groove is triangular. The limiting groove 2 is formed on the outside of the rotating seat, and the cross-section of the limiting groove 2 is triangular. The position of the limiting groove 2 corresponds to that of the limiting groove 1. The limiting groove 2 and the limiting groove 1 constitute a limiting cavity. The limiting member is arranged in the limiting cavity. The limiting member is respectively in contact with the limiting groove 1 and the limiting groove 2. The rotating seat is limited by the limiting member to ensure the accuracy of its axial position. The limiting member is respectively in point contact with the limiting groove 1 and the limiting groove 2, thereby preventing the limiting member from affecting the rotation of the rotating seat.

[0038] In this embodiment, the holding assembly includes a handle 410 and a sub-handle 420. The handle can be respectively arranged in mounting hole one and mounting hole two. The bottom of the handle is provided with an external thread. The handle forms a threaded fit with mounting hole one and mounting hole two. The handle can be respectively provided in mounting hole one or mounting hole two, thereby making the position of the handle more diversified, so that there are more position options when turning the handwheel, and making the rotation of the handwheel more convenient. A threaded hole is provided on the top of the handle, and the sub-handle is detachably arranged in the threaded hole of the handle. The bottom of the sub-handle is provided with a thread, and the thread of the sub-handle forms a threaded fit with the threaded hole of the handle.

[0039] In this embodiment, anti-slip pads 510 are provided on the handle and the auxiliary handle, and the anti-slip pads increase the friction when gripping, thereby making it easier to turn the hand wheel.

[0040] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", and "right" indicate an orientation or positional relationship, they should be understood as being based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. 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, an indirect connection through an intermediate medium, or it can be a communication between the internal parts of two elements. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

Claims

1. A manual drive device for an electric actuator, an electric actuator housing, characterized in that: Also includes: A connecting assembly is provided on the top of the electric actuator housing and is rotatable in the electric actuator; A rotating assembly, which is connected to the connecting assembly and is driven by the rotating assembly to rotate the connecting assembly; A limit assembly is provided between the connecting assembly and the housing of the electric actuator, and limits the connecting assembly by the limit assembly; The holding assembly is arranged in the rotating assembly, and the rotating assembly is driven by the holding assembly to rotate.

2. A manual drive device for an electric actuator according to claim 1, characterized in that: Connectivity components include: The rotating seat is arranged on the top of the electric actuator housing. A mounting hole is provided on the top of the rotating seat, and an internal thread is provided in the mounting hole. A clearance groove is provided at the bottom of the rotating seat. The clearance groove reduces the contact area between the rotating seat and the electric actuator housing. A positioning groove is provided on the top of the rotating seat.

3. The manual drive device of an electric actuator according to claim 2, characterized in that: The rotating assembly includes: A handwheel is provided on the top of the rotating seat, and an assembly hole is provided in the handwheel, an internal thread is provided in the assembly hole, the assembly hole corresponds to the position of the mounting hole of the rotating seat, a bolt is provided in the assembly hole, the handwheel is connected to the rotating seat through the bolt, and a limiting groove is provided at the bottom of the handwheel, the limiting groove and the positioning groove constitute a fixed space, and the sealing member is fixed by the fixed space; A mounting hole 1 is provided at the top of the hand wheel and has an internal thread; The second mounting hole is arranged on the side of the hand wheel and is provided with an internal thread.

4. The manual drive device of an electric actuator according to claim 2, characterized in that: The limiter components include: A first limiting groove is formed on the inner wall of the electric actuator housing, and the cross section of the limiting groove is triangular; The second limiting groove is formed on the outside of the rotating seat. The cross section of the second limiting groove is triangular. The position of the second limiting groove corresponds to the position of the first limiting groove. The second limiting groove and the first limiting groove form a limiting cavity; The limiting member is arranged in the limiting cavity and abuts against the limiting groove 1 and the limiting groove 2 respectively. The limiting member limits the rotating seat to ensure the accuracy of its axial position.

5. The manual drive device of an electric actuator according to claim 3, characterized in that: The grip assembly includes: A handle, which can be respectively arranged in the first mounting hole and the second mounting hole, the bottom of the handle is provided with an external thread, the handle and the first mounting hole and the second mounting hole form a threaded fit, and the top of the handle is provided with a threaded hole; The auxiliary handle is detachably arranged in the threaded hole of the handle. The bottom of the auxiliary handle is provided with a thread, and the thread of the auxiliary handle and the threaded hole of the handle form a threaded fit.

6. The manual drive device of an electric actuator according to claim 5, characterized in that: The handle and the auxiliary handle are provided with anti-slip pads.

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