Motor driver

Abstract

The utility model relates to the technical field of motor drivers, in particular to a motor driver which comprises a machine shell, a driver is arranged at the top end of the machine shell, a sliding assembly is arranged in an inner cavity of the machine shell, and the left side and the right side of the bottom end of the sliding assembly extend to the left side and the right side of the bottom end of the machine shell respectively and are fixedly connected with sliding plates respectively. Through holes are formed in the front side and the rear side of the top end of each sliding plate correspondingly, an elastic assembly is arranged in the middle of the bottom end of the machine shell, and an extrusion plate is arranged at the bottom end of the elastic assembly. According to the high-reliability motor driver, the problems that a motor driver in the prior art is screwed on equipment by using a bolt to penetrate through a through hole in the bottom end of the motor driver, but the position of the through hole formed in the bottom end of the motor driver in an actual rear layer is fixed and cannot be adjusted, so that the flexibility of the motor driver in the mounting process is limited; and the through hole cannot be adjusted according to the position of the threaded hole in the mounting position.

Description

Technical Field

[0001] The utility model relates to the technical field of motor drivers, in particular to a motor driver. Background Art

[0002] A motor driver is an electronic device whose main function is to control the speed, direction and position of a motor. Power supply: The motor driver provides the required electrical energy to the motor by supplying power, usually using a DC power supply or an AC power supply. Signal input: The motor driver receives signals from the control system. These signals can be analog or digital signals that indicate the motor's operating mode, speed, direction and other control parameters. Signal processing: After receiving the signal, the motor driver processes the signal and then passes the processed signal to the power amplifier circuit. Power amplification: The power amplifier circuit uses power transistors or power modules to convert the processed control signal into the high-power output signal required by the motor.

[0003] The motor driver in the prior art is screwed to the device by means of bolts passing through the through holes at the bottom of the motor driver. However, in actual practice, the position of the through holes at the bottom of the motor driver is fixed and cannot be adjusted, resulting in limited flexibility of the motor driver during installation. The through holes cannot be adjusted according to the position of the threaded holes at the installation position. To address this problem, a motor driver is provided. Utility Model Content

[0004] The purpose of the present utility model is to provide a motor driver to solve the problems raised in the above background technology. To achieve the above purpose, the present utility model provides the following technical solutions: a motor driver, comprising a housing, a driver is arranged at the top of the housing, a sliding assembly is arranged in the inner cavity of the housing, the left and right sides of the bottom end of the sliding assembly respectively extend to the left and right sides of the bottom end of the housing and are respectively fixedly connected with slides, each of the front and rear sides of the top end of the slide are respectively provided with through holes, an elastic assembly is arranged in the middle of the bottom end of the housing, and an extrusion plate is arranged at the bottom end of the elastic assembly.

[0005] Preferably, the elastic component includes a telescopic cylinder, a telescopic rod, a connecting component and a spring, the telescopic cylinder is arranged at the top end of the extrusion plate, one end of the telescopic rod is slidably inserted in the inner cavity of the telescopic cylinder, the other end of the telescopic rod is fixedly connected to the middle part of the bottom end of the casing, the spring is sleeved on the outside of the telescopic rod and the telescopic cylinder, the two connecting components are respectively arranged on both sides of the inner cavity of the telescopic cylinder, and the two connecting components are respectively arranged on both sides of the outer wall of the telescopic rod.

[0006] Preferably, the connecting assembly includes a connecting groove and a connecting block, the connecting groove is provided on the inner wall of the telescopic cylinder, and the connecting block is slidably embedded in the inner cavity of the connecting groove and fixedly connected to the outer wall of the telescopic rod.

[0007] Preferably, the inner cavity of the connecting groove is matched with the outer wall of the connecting block and both are dovetail-shaped.

[0008] Preferably, the sliding assembly includes a screw rod, a knob, a slider, a slideway, a moving rod and a limit assembly, one end of the screw rod is rotatably connected to the left side of the inner cavity of the casing through a bearing, the other end of the screw rod extends to the right end of the casing and is fixedly connected to the knob, the two sliders are respectively screwed on the left and right sides of the outer wall of the screw rod, the two slideways are respectively opened on the left and right sides of the bottom end of the casing, the two moving rods are respectively slidably embedded in the inner cavities of the two slideways, one end of the two moving rods is respectively fixedly connected to the bottom ends of the two sliders, and the other ends of the two moving rods are respectively fixedly connected to the top ends of the two slides.

[0009] Preferably, the threads on the left and right sides of the outer wall of the screw rod are arranged opposite to each other.

[0010] Preferably, the limit assembly includes a limit slot and a limit block, the limit slot is opened at the top of the inner cavity of the casing, the two limit blocks can be slidably embedded in the inner cavity of the limit slot and are respectively fixedly connected to the top of the two sliders, the inner cavity of the limit slot is adapted to fit the outer wall of the limit block and are both in a "T" shape.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. Through the setting of the sliding assembly, the two slide plates can slide relative to each other at the same time, so that the inner cavity of the through hole can be conveniently adjusted according to the position of the threaded hole at the installation position, which improves the flexibility of the device when in use, and solves the problem that the motor driver of the prior art is screwed to the device by passing the through hole at the bottom of the motor driver through the bolt, but in the actual back layer, the position of the through hole opened at the bottom of the motor driver is fixed and cannot be adjusted, resulting in limited flexibility of the motor driver during installation, and the through hole cannot be adjusted according to the position of the threaded hole at the installation position;

[0013] 2. By setting the elastic component, the extrusion plate can be squeezed against the installation position, so that the housing is subjected to a force away from the installation position, so that the pressure between the bolt and the thread of the threaded hole at the installation position becomes larger, thereby improving the stability during fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This is a front cross-sectional view of the housing of the utility model;

[0016] Figure 3 For this utility model Figure 2A magnified image of point A;

[0017] Figure 4 This is a front sectional view of the telescopic tube of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the limit block of the utility model.

[0019] In the figure: 1, housing; 2, driver; 3, slide plate; 4, extrusion plate; 5, screw rod; 6, knob; 7, slider; 8, slideway; 9, moving rod; 10, limit groove; 11, limit block; 12, telescopic cylinder; 13, telescopic rod; 14, connecting groove; 15, connecting block; 16, spring; 17, through hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 5 The utility model provides a technical solution: a motor driver, including a casing 1, a driver 2 is arranged at the top of the casing 1, a sliding assembly is arranged in the inner cavity of the casing 1, and the left and right sides of the bottom end of the sliding assembly respectively extend to the left and right sides of the bottom end of the casing 1 and are respectively fixedly connected with slide plates 3, and through holes 17 are respectively opened on the front and back sides of the top of each slide plate 3, an elastic component is arranged in the middle of the bottom end of the casing 1, and an extrusion plate 4 is arranged at the bottom end of the elastic component. Through the arrangement of the sliding assembly, the two slide plates 3 can slide relative to each other at the same time, and then the inner cavity of the through hole 17 can be conveniently adjusted according to the position of the threaded hole at the installation position, thereby improving the use of the device. The flexibility in use solves the problem that the motor driver 2 in the prior art is screwed to the equipment by means of bolts passing through the through hole 17 at the bottom of the motor driver 2, but in the actual subsequent layer, the position of the through hole 17 opened at the bottom of the motor driver 2 is fixed and cannot be adjusted, resulting in limited flexibility of the motor driver 2 during installation, and the through hole 17 cannot be adjusted according to the position of the threaded hole at the installation position. Through the setting of the elastic component, the extrusion plate 4 can be squeezed with the installation position, so that the casing 1 is subjected to a force away from the installation position, so that the pressure between the bolt and the thread of the threaded hole at the installation position becomes larger, thereby improving the stability during fixation.

[0022] In this embodiment, the elastic component includes a telescopic cylinder 12, a telescopic rod 13, a connecting component and a spring 16. The telescopic cylinder 12 is arranged at the top of the extrusion plate 4, one end of the telescopic rod 13 can be slidably inserted in the inner cavity of the telescopic cylinder 12, and the other end of the telescopic rod is fixedly connected to the middle of the bottom end of the casing 1, and the spring 16 is sleeved on the outside of the telescopic rod 13 and the telescopic cylinder 12. The two connecting components are respectively arranged on both sides of the inner cavity of the telescopic cylinder 12, and the two connecting components are respectively arranged on both sides of the outer wall of the telescopic rod 13. Through the setting of the spring 16, the extrusion plate 4 can be squeezed with the installation position, so that the casing 1 is subjected to a force away from the installation position, so that the pressure between the bolt and the thread of the threaded hole at the installation position becomes larger, thereby improving the stability during fixation. Through the joint action of the telescopic rod 13 and the telescopic cylinder 12, the extrusion plate 4 can always slide up and down along a straight line to avoid its shaking, thereby improving the stability of the device when in use.

[0023] In this embodiment, the connecting assembly includes a connecting groove 14 and a connecting block 15. The connecting groove 14 is opened on the inner wall of the telescopic cylinder 12. The connecting block 15 can be slidably embedded in the inner cavity of the connecting groove 14 and fixedly connected to the outer wall of the telescopic rod 13. Under the interaction between the connecting groove 14 and the connecting block 15, one end of the telescopic rod 13 can always remain embedded in the inner cavity of the connecting groove 14, thereby improving the stability of the connecting assembly when in use.

[0024] In this embodiment, the inner cavity of the connecting groove 14 is matched with the outer wall of the connecting block 15 and both are dovetail-shaped, so that one end of the connecting block 15 can always remain embedded in the inner cavity of the connecting groove 14, thereby improving the stability of the connecting assembly during use.

[0025] In this embodiment, the sliding assembly includes a screw rod 5, a knob 6, a slider 7, a slideway 8, a moving rod 9 and a limit assembly. One end of the screw rod 5 is rotatably connected to the left side of the inner cavity of the casing 1 through a bearing, and the other end of the screw rod 5 extends to the right end of the casing 1 and is fixedly connected to the knob 6. The two sliders 7 are respectively screwed on the left and right sides of the outer wall of the screw rod 5. The two slideways 8 are respectively opened on the left and right sides of the bottom end of the casing 1. The two moving rods 9 are respectively slidably embedded in the inner cavities of the two slideways 8. One end of the two moving rods 9 is respectively fixedly connected to the bottom ends of the two sliders 7, and the other ends of the two moving rods 9 are respectively fixedly connected to the top ends of the two slide plates 3. Rotating the knob 6 drives the screw rod 5, thereby causing the left and right sides of the outer wall of the screw rod 5 to move relative to each other. The pairs of threads generate relative thread rotation force, so that the two sliders 7 slide relatively at the same time under the limiting action of the limit groove 10 and the limit block 11, so that the two moving rods 9 respectively drive the two slide plates 3 and the through hole 17 to slide relatively, and the inner cavity of the through hole 17 can be conveniently adjusted according to the position of the threaded hole at the installation position, thereby improving the flexibility of the device during use, and solving the problem that the motor driver 2 in the prior art is screwed to the equipment by passing through the through hole 17 at the bottom of the motor driver 2 with bolts, but in the actual subsequent layer, the position of the through hole 17 opened at the bottom of the motor driver 2 is fixed and cannot be adjusted, resulting in limited flexibility of the motor driver 2 during installation, and the through hole 17 cannot be adjusted according to the position of the threaded hole at the installation position.

[0026] In this embodiment, the threads on the left and right sides of the outer wall of the screw rod 5 are arranged opposite to each other, so that when the screw rod 5 rotates, the left and right sides of its outer wall generate relative thread rotation forces, causing the two sliders 7 to slide relative to each other at the same time.

[0027] In this embodiment, the limit assembly includes a limit groove 10 and a limit block 11. The limit groove 10 is opened at the top of the inner cavity of the casing 1. The two limit blocks 11 can be slidably embedded in the inner cavity of the limit groove 10 and are respectively fixedly connected to the tops of the two sliders 7. Under the interaction between the limit groove 10 and the limit block 11, the slider 7 can be prevented from rotating with the screw rod 5 when the screw rod 5 rotates, thereby improving the stability of the sliding assembly when in use. The inner cavity of the limit groove 10 and the outer wall of the limit block 11 are matched and both are in a "T" shape, so that one end of the limit block 11 can always remain embedded in the inner cavity of the limit groove 10, thereby improving the stability of the limit assembly when in use.

[0028] The use method and advantages of the utility model: When in use, the working process is as follows:

[0029] Rotate the knob 6 to drive the screw rod 5, so that the threads on the left and right sides of the outer wall of the screw rod 5 generate relative thread rotation force, so that the two sliders 7 slide relatively at the same time under the limiting action of the limiting groove 10 and the limiting block 11, so that the two moving rods 9 respectively drive the two slide plates 3 and the through hole 17 to slide relatively, and the inner cavity of the through hole 17 can be conveniently adjusted according to the position of the threaded hole at the installation position, thereby improving the flexibility of the device when in use, and solving the problem that the motor driver 2 in the prior art is screwed on the equipment by passing the through hole 17 at the bottom of the motor driver 2 with bolts, but in the actual back layer, the through hole 17 at the bottom of the motor driver 2 is opened. The position of hole 17 is fixed and cannot be adjusted, resulting in limited flexibility of the motor driver 2 during installation, and the through hole 17 cannot be adjusted according to the position of the threaded hole at the installation position. By setting the spring 16, the extrusion plate 4 can be squeezed against the installation position, so that the housing 1 is subjected to a force away from the installation position, so that the pressure between the bolt and the thread of the threaded hole at the installation position becomes larger, thereby improving the stability during fixation. Through the joint action of the telescopic rod 13 and the telescopic cylinder 12, the extrusion plate 4 can always slide up and down along a straight line to avoid its shaking, thereby improving the stability of the device when in use.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A motor driver, comprising a housing (1), characterized in that: A driver (2) is arranged at the top of the housing (1), a sliding assembly is arranged in the inner cavity of the housing (1), the left and right sides of the bottom end of the sliding assembly respectively extend to the left and right sides of the bottom end of the housing (1) and are respectively fixedly connected with slide plates (3), and each of the slide plates (3) is respectively provided with through holes (17) at the front and rear sides of the top end, an elastic assembly is arranged in the middle of the bottom end of the housing (1), and an extrusion plate (4) is arranged at the bottom end of the elastic assembly.

2. A motor driver according to claim 1, characterized in that: The elastic component comprises a telescopic cylinder (12), a telescopic rod (13), a connecting component and a spring (16); the telescopic cylinder (12) is arranged at the top end of the extrusion plate (4); one end of the telescopic rod (13) is slidably inserted into the inner cavity of the telescopic cylinder (12); the other end of the telescopic rod is fixedly connected to the middle of the bottom end of the housing (1); the spring (16) is sleeved on the outside of the telescopic rod (13) and the telescopic cylinder (12); two connecting components are respectively arranged on both sides of the inner cavity of the telescopic cylinder (12); and two connecting components are respectively arranged on both sides of the outer wall of the telescopic rod (13).

3. A motor driver according to claim 2, characterized in that: The connection assembly comprises a connection groove (14) and a connection block (15); the connection groove (14) is formed on the inner wall of the telescopic cylinder (12); the connection block (15) is slidably embedded in the inner cavity of the connection groove (14) and is fixedly connected to the outer wall of the telescopic rod (13).

4. A motor driver according to claim 3, characterized in that: The inner cavity of the connecting groove (14) is adapted to fit the outer wall of the connecting block (15) and both are dovetail-shaped.

5. The motor driver according to claim 1, characterized in that: The sliding assembly comprises a screw rod (5), a knob (6), a slider (7), a slideway (8), a moving rod (9) and a limit assembly. One end of the screw rod (5) is rotatably connected to the left side of the inner cavity of the casing (1) through a bearing, and the other end of the screw rod (5) extends to the right end of the casing (1) and is fixedly connected to the knob (6). The two sliders (7) are respectively screwed to the left and right sides of the outer wall of the screw rod (5). The two slideways (8) are respectively opened on the left and right sides of the bottom end of the casing (1). The two moving rods (9) are respectively slidably embedded in the inner cavities of the two slideways (8). One end of the two moving rods (9) is respectively fixedly connected to the bottom ends of the two sliders (7), and the other end of the two moving rods (9) is respectively fixedly connected to the top ends of the two slide plates (3).

6. A motor driver according to claim 5, characterized in that: The threads on the left and right sides of the outer wall of the screw rod (5) are arranged opposite to each other.

7. The motor driver according to claim 5, characterized in that: The limiting assembly comprises a limiting groove (10) and a limiting block (11).

8. A motor driver according to claim 7, characterized in that: The limiting groove (10) is formed at the top end of the inner cavity of the housing (1), and the two limiting blocks (11) are slidably embedded in the inner cavity of the limiting groove (10) and are respectively fixedly connected to the top ends of the two sliding blocks (7).

9. The motor driver according to claim 7, characterized in that: The inner cavity of the limiting groove (10) is matched with the outer wall of the limiting block (11) and both are in a "T" shape.

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