Power assembly suspension actuator

Abstract

The utility model belongs to the technical field of electromagnetic actuators, and particularly relates to a power assembly suspension actuator which comprises an upper guide shell, a working assembly and an electromagnetic assembly. A first limiting groove is formed in the top wall in the upper guide shell; an upper magnetic conductive cover is vertically and slidably connected to the interior of the upper guide shell; the top of the upper magnetic conductive cover is fixedly connected with a first limiting block; a snap ring groove is formed in the bottom of the upper magnetic conductive cover; the bottom of the upper magnetic conductive cover is vertically and slidably connected with a lower magnetic conductive cover; the top of the lower magnetic conductive cover is fixedly connected with a clamping ring; the bottom of the lower magnetic conductive cover is fixedly connected with a second limiting block; the bottom of the lower magnetic conductive cover is vertically and slidably connected with a lower guide shell; a second limiting groove is formed in the top of the lower guide shell; a mounting opening is formed in the middle of the lower guide shell; and the spring seat is in threaded connection with the interior of the mounting opening, so that the problems of magnetic leakage and relative displacement of elements in the working process of the electromagnetic suspension actuator are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electromagnetic actuators, and specifically relates to a power-train mount actuator. Background Art

[0002] In a power-train mount system, the power-train mount actuator is a key component. During operation, the power train (including the engine, transmission, etc.) generates vibrations with various frequencies and amplitudes. The power-train mount actuator can reduce the transmission of these vibrations. It absorbs and attenuates vibration energy through its own elastic and damping characteristics. The main types include hydraulic mount actuators, hydraulic mount actuators, and electromagnetic mount actuators.

[0003] In the prior art, an electromagnetic mount actuator mainly consists of an electromagnetic coil, a magnetic core, an elastic element, etc. It uses electromagnetic force to adjust the stiffness and damping of the mount. However, problems such as magnetic leakage and relative displacement of components may occur during operation. Therefore, the utility model provides a power-train mount actuator. Summary of the Utility Model

[0004] In order to make up for the deficiencies of the prior art and solve the problems of magnetic leakage and relative displacement of components that occur during the operation of the electromagnetic mount actuator.

[0005] The technical solution adopted by the utility model to solve its technical problems is as follows: A power-train mount actuator of the utility model includes an upper guide housing, a working component, and an electromagnetic component; a first limit groove is provided on the inner top wall of the upper guide housing; an upper magnetic guide cover is vertically slidably connected inside the upper guide housing; a first limit block is fixedly connected to the top of the upper magnetic guide cover; the first limit block is adapted to the first limit groove; a snap ring groove is provided at the bottom of the upper magnetic guide cover; a lower magnetic guide cover is vertically slidably connected to the bottom of the upper magnetic guide cover; a snap ring is fixedly connected to the top of the lower magnetic guide cover; the snap ring is adapted to the snap ring groove; a second limit block is fixedly connected to the bottom of the lower magnetic guide cover; a lower guide housing is vertically slidably connected to the bottom of the lower magnetic guide cover; a second limit groove is provided on the top of the lower guide housing; the second limit groove is adapted to the second limit block; an installation opening is provided in the middle of the lower guide housing; a spring seat is threadedly connected to the installation opening.

[0006] Preferably, the working component includes a push rod; a moving hole is formed in the middle of the top end of the upper guiding housing; the push rod is slidably connected in the moving hole; a limiting ring is fixedly connected to the push rod; an upper magnetic conductor, an upper permanent magnet, a middle magnetic conductor, a lower permanent magnet and a lower magnetic conductor are sequentially slidably connected to the push rod from top to bottom; the upper magnetic conductor is located below the limiting ring; upper and lower springs are sleeved on the push rod; the upper spring is located between the upper magnetic conductor and the inner top wall of the upper guiding housing; the lower spring is located between the bottom of the lower magnetic conductor and the top of the spring seat; a locking nut is threadedly connected to the push rod; the locking nut is located below the lower magnetic conductor.

[0007] Preferably, the electromagnetic component includes a coil bracket; the coil bracket is vertically slidably connected inside the upper magnetic guiding cover; a coil winding is installed on the coil bracket; wiring holes are formed in the outer walls of the upper guiding housing and the upper magnetic guiding cover.

[0008] Preferably, a pair of positioning holes are formed in the outer wall of the upper guiding housing; a pair of positioning grooves are formed in the outer wall of the lower guiding housing; a positioning pin is installed in the positioning hole and the positioning groove.

[0009] Preferably, the materials of the upper magnetic guiding cover, the lower magnetic guiding cover, the upper magnetic conductor, the middle magnetic conductor and the lower magnetic conductor are pure iron.

[0010] Preferably, the materials of the upper guiding housing, the lower guiding housing, the push rod, the locking nut, the spring seat and the positioning pin are aluminum alloy 6061.

[0011] The beneficial effects of the present utility model are as follows:

[0012] 1. For the power assembly mount actuator of the present utility model, through the cooperation of the first limiting block and the first limiting groove, the relative displacement between the upper magnetic guiding cover and the upper guiding housing is restricted, and through the cooperation of the second limiting block and the second limiting groove, the relative displacement between the lower magnetic guiding cover and the lower guiding housing is restricted. The overall actuator is matched with the positioning pin, the positioning hole and the positioning groove, avoiding the relative displacement between components.

[0013] 2. For the power assembly mount actuator of the present utility model, through the cooperation of the snap ring groove and the snap ring, the upper magnetic guiding cover and the lower magnetic guiding cover form a cylindrical magnetic conductor, so that the relatively scattered magnetic field lines are attracted and concentrated inside and around it, which can minimize magnetic leakage to the greatest extent, significantly enhance the magnetic field strength inside the magnetic conductor, improve the energy conversion efficiency, and at the same time make the magnetic field evenly distributed inside, enhancing the performance of the inductor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present utility model will be further described below with reference to the drawings.

[0015] Figure 1 is a perspective view of the present utility model;

[0016] Figure 2 is a side view cross-sectional view of the present utility model;

[0017] Figure 3 is Figure 2 an enlarged view of part A in

[0018] Figure 4 is an internal structure diagram of the upper guiding housing;

[0019] Figure 5 is a side cross-sectional view of the upper magnetic conductive cover;

[0020] Figure 6 is a structure diagram of the coil winding and the coil support;

[0021] Figure 7 is a three-dimensional view of the lower magnetic conductive cover;

[0022] Figure 8 is a structure diagram of the lower guiding housing;

[0023] Figure 9 is a structure diagram of the working component and part of it.

[0024] In the figure: 1. Upper guiding housing; 1001. Wiring hole; 1002. First limiting groove; 1003. Positioning hole; 1004. Moving hole; 2. Upper magnetic conductive cover; 2001. First limiting block; 2002. Snap ring groove; 3. Lower magnetic conductive cover; 3001. Second limiting block; 3002. Snap ring; 4. Coil winding; 5. Coil support; 6. Push rod; 6001. Limiting ring; 7. Upper magnetic conductor; 8. Upper permanent magnet; 9. Intermediate magnetic conductor; 10. Lower permanent magnet; 11. Lower magnetic conductor; 12. Locking nut; 13. Lower guiding housing; 1301. Second limiting groove; 1302. Positioning groove; 1303. Installation opening; 14. Positioning pin; 15. Spring seat; 16. Upper spring; 17. Lower spring. Specific embodiments

[0025] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] Embodiment 1

[0027] Such as Figures 1 to 9As shown in the figure, a powertrain mount actuator according to an embodiment of the present invention includes an upper guide housing 1, a working component, and an electromagnetic component; a first limiting groove 1002 is formed in the inner top wall of the upper guide housing 1; an upper magnetic guide cover 2 is vertically slidably connected inside the upper guide housing 1; a first limiting block 2001 is fixedly connected to the top of the upper magnetic guide cover 2; the first limiting block 2001 is adapted to the first limiting groove 1002; a snap ring groove 2002 is formed in the bottom of the upper magnetic guide cover 2; a lower magnetic guide cover 3 is vertically slidably connected to the bottom of the upper magnetic guide cover 2; a snap ring 3002 is fixedly connected to the top of the lower magnetic guide cover 3; the snap ring 3002 is adapted to the snap ring groove 2002; a second limiting block 3001 is fixedly connected to the bottom of the lower magnetic guide cover 3; a lower guide housing 13 is vertically slidably connected to the bottom of the lower magnetic guide cover 3; a second limiting groove 1301 is formed in the top of the lower guide housing 13; the second limiting groove 1301 is adapted to the second limiting block 3001; an installation opening 1303 is formed in the middle of the lower guide housing 13; the spring seat 15 is threadedly connected to the installation opening 1303. During operation, the cooperation between the first limiting block 2001 and the first limiting groove 1002 restricts the relative displacement between the upper magnetic guide cover 2 and the upper guide housing 1, the cooperation between the second limiting block 3001 and the second limiting groove 1301 restricts the relative displacement between the lower magnetic guide cover 3 and the lower guide housing 13, and the cooperation between the snap ring groove 2002 and the snap ring 3002 can minimize magnetic leakage, improve energy conversion efficiency, and at the same time make the magnetic field evenly distributed inside, enhancing the performance of the inductor.

[0028] The working component includes a push rod 6; a moving hole 1004 is formed in the middle of the top end of the upper guide housing 1; the push rod 6 is slidably connected to the moving hole 1004; a limiting ring 6001 is fixedly connected to the push rod 6; an upper magnetic guide body 7, an upper permanent magnet 8, an intermediate magnetic guide body 9, a lower permanent magnet 10, and a lower magnetic guide body 11 are sequentially slidably connected to the push rod 6 from top to bottom; the upper magnetic guide body 7 is located below the limiting ring 6001; upper and lower springs 16 and 17 are sleeved on the push rod 6; the upper spring 16 is located between the upper magnetic guide body 7 and the inner top wall of the upper guide housing 1; the lower spring 17 is located between the bottom of the lower magnetic guide body 11 and the top of the spring seat 15; a locking nut 12 is threadedly connected to the push rod 6; the locking nut 12 is located below the lower magnetic guide body 11. During operation, the limiting ring 6001 and the locking nut 12 lock and fix the upper magnetic guide body 7, the upper permanent magnet 8, the intermediate magnetic guide body 9, the lower permanent magnet 10, and the lower magnetic guide body 11 that are sequentially slidably connected, and the entire working component moves up and down inside the upper guide housing 1, the upper magnetic guide cover 2, the coil bracket 5, the lower magnetic guide cover 3, and the lower guide housing 13 for work.

[0029] The electromagnetic component includes a coil bracket 5; the coil bracket 5 is vertically and slidably connected inside the upper magnetic conductive cover 2; a coil winding 4 is installed on the coil bracket 5; wiring holes 1001 are provided on the outer walls of the upper guiding housing 1 and the upper magnetic conductive cover 2. During operation, a power line supplies power to the coil winding 4 through the wiring hole 1001, and the coil winding 4 provides a magnetic field for the working component.

[0030] The materials used for the upper magnetic conductive cover 2, the lower magnetic conductive cover 3, the upper magnetic conductor 7, the intermediate magnetic conductor 9, and the lower magnetic conductor 11 are pure iron.

[0031] The materials used for the upper guiding housing 1, the lower guiding housing 13, the push rod 6, the locking nut 12, the spring seat 15, and the positioning pin 14 are aluminum alloy 6061.

[0032] Embodiment 2

[0033] As Figure 1 , Figure 2 , Figure 4 and Figure 8 shown, on the basis of Embodiment 1, a pair of positioning holes 1003 are provided on the outer wall of the upper guiding housing 1; a pair of positioning grooves 1302 are provided on the outer wall of the lower guiding housing 13; a positioning pin 14 is installed in the positioning holes 1003 and the positioning grooves 1302. During operation, the positioning pin 14 restricts the degrees of freedom of the component in space through cooperation with the positioning holes 1003 and the positioning grooves 1302, enabling it to be assembled according to the design requirements. This can ensure that the generation and transmission path of the electromagnetic force are accurate, improving the performance and reliability of the actuator.

[0034] Working principle: A power line supplies power to the coil winding 4 through the wiring hole 1001, and the coil winding 4 provides a magnetic field for the working component. The entire working component moves up and down inside the upper guiding housing 1, the upper magnetic conductive cover 2, the coil bracket 5, the lower magnetic conductive cover 3, and the lower guiding housing 13 under the action of the magnetic field. During operation, the mutual displacement between the upper magnetic conductive cover 2 and the upper guiding housing 1 is restricted by the cooperation of the first limiting block 2001 and the first limiting groove 1002, and the mutual displacement between the lower magnetic conductive cover 3 and the lower guiding housing 13 is restricted by the cooperation of the second limiting block 3001 and the second limiting groove 1301. Through the cooperation of the snap ring groove 2002 and the snap ring 3002, magnetic leakage can be minimized, the energy conversion efficiency can be improved, and at the same time, the magnetic field can be evenly distributed inside, enhancing the performance of the inductor.

[0035] The above front, back, left, right, up, and down are all based on Figure 1 in the accompanying drawings of the specification. Taking the perspective of the observer as the standard, the side of the device facing the observer is defined as the front, and the left side of the observer is defined as the left, and so on.

[0036] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the protection scope of the present utility model.

[0037] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A powertrain suspension actuator, characterized in that: The invention comprises an upper guide shell (1), a working component and an electromagnetic component; the upper guide shell (1) has a first limiting groove (1002) formed on its internal top wall; an upper magnetic conductive cover (2) is vertically slidably connected to the interior of the upper guide shell (1); a first limiting block (2001) is fixedly connected to the top of the upper magnetic conductive cover (2); the first limiting block (2001) is matched with the first limiting groove (1002); a retaining ring groove (2002) is formed on the bottom of the upper magnetic conductive cover (2); a lower magnetic conductive cover (3) is vertically slidably connected to the bottom of the upper magnetic conductive cover (2); the top of the lower magnetic conductive cover (3) is fixedly connected to the A snap ring (3002) is provided; the snap ring (3002) is matched with the snap ring groove (2002); a second limit block (3001) is fixedly connected to the bottom of the lower magnetic conductive cover (3); the bottom of the lower magnetic conductive cover (3) is vertically slidably connected to a lower guide shell (13); a second limit groove (1301) is provided on the top of the lower guide shell (13); the second limit groove (1301) is matched with the second limit block (3001); a mounting opening (1303) is provided in the middle of the lower guide shell (13); a spring seat (15) is connected to the inner thread of the mounting opening (1303).

2. A powertrain suspension actuator according to claim 1, characterized in that: The working assembly comprises a push rod (6); a moving hole (1004) is provided in the middle of the top of the upper guide shell (1); the push rod (6) is slidably connected in the moving hole (1004); a limit ring (6001) is fixedly connected to the push rod (6); an upper magnetic conductor (7), an upper permanent magnet (8), an intermediate magnetic conductor (9), a lower permanent magnet (10) and a lower magnetic conductor (11) are slidably connected to the push rod (6) in sequence from top to bottom; the upper magnetic conductor (7 ) is located below the limiting ring (6001); an upper spring (16) and a lower spring (17) are sleeved on the push rod (6); the upper spring (16) is located between the upper magnetic conductor (7) and the inner top wall of the upper guide shell (1); the lower spring (17) is located between the bottom of the lower magnetic conductor (11) and the top of the spring seat (15); a locking nut (12) is threadedly connected to the push rod (6); the locking nut (12) is located below the lower magnetic conductor (11).

3. The powertrain suspension actuator according to claim 1, characterized in that: The electromagnetic assembly comprises a coil support (5); the coil support (5) is vertically slidably connected to the interior of the upper magnetic conductive cover (2); a coil winding (4) is installed on the coil support (5); and wiring holes (1001) are provided on the outer wall of the upper guide shell (1) and the outer wall of the upper magnetic conductive cover (2).

4. A powertrain suspension actuator according to claim 2, characterized in that: The outer wall of the upper guide shell (1) is provided with a pair of positioning holes (1003); the outer wall of the lower guide shell (13) is provided with a pair of positioning grooves (1302); positioning pins (14) are installed in the positioning holes (1003) and the positioning grooves (1302).

5. The powertrain suspension actuator according to claim 2, characterized in that: The materials used for the upper magnetic conductive cover (2), the lower magnetic conductive cover (3), the upper magnetic conductive body (7), the middle magnetic conductive body (9) and the lower magnetic conductive body (11) are pure iron.

6. A powertrain suspension actuator according to claim 4, characterized in that: The upper guide housing (1), the lower guide housing (13), the push rod (6), the locking nut (12), the spring seat (15) and the positioning pin (14) are made of aluminum alloy 6061.

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