CN216356258U - Heat dissipation cover of stepping motor driver - Google Patents

Abstract

The utility model discloses a heat dissipation cover of a stepping motor driver, which comprises a shell, wherein an arc-shaped through hole is formed in the surface of the shell, a twisting disk is rotationally connected in the arc-shaped through hole, two ends of the twisting disk extend out of the inner surface and the outer surface of the shell, a sliding piece is connected to the inner wall of the shell in a sliding manner, a connecting rod is fixedly connected to the surface of the sliding piece, the opposite surface of the connecting rod is fixedly connected with the driver, and an output shaft of the driver is fixedly connected with a driving disk. According to the utility model, the heat radiating piece is arranged, the heat in the shell is transmitted into the volume of the heat radiating piece inserted into the shell through the driving disc and the hot air, and then the heat of the heat radiating piece inserted into the shell is conducted to the part exposed outside the shell for heat radiation through the heat conduction characteristic of the heat radiating piece, so that the sealing property is improved and the heat radiating effect is achieved.

Description

Heat dissipation cover of stepping motor driver

The technical field is as follows:

the utility model relates to the technical field of stepping motors, in particular to a heat dissipation cover of a driver of a stepping motor.

Background art:

the motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, has the main function of generating driving torque, is used as a power source of electrical appliances or various machines, and is widely applied to the fields of industry, agriculture, commerce, building industry and the like. The motor shell is the main part of the motor, and parts such as a stator, a rotor and the like are arranged in the shell. When the motor works, electric energy is converted into kinetic energy, but a small part of heat is always lost and converted into heat, and the heat must be continuously radiated to ensure the normal work of the motor and reduce the damage to surrounding parts, so a heat radiating cover needs to be arranged on a shell of the motor. However, the existing motor heat dissipation cover mostly realizes heat dissipation and dust prevention by installing a heat dissipation fan and a dust screen, has poor sealing performance, reduces the applicable scenes of the motor, and needs to be improved.

The utility model has the following contents:

the utility model aims to overcome the defects of the prior art, and provides a heat dissipation cover of a stepping motor driver, which has the advantage of heat dissipation in a high-sealing state, and solves the problems that the existing heat dissipation cover of the motor has poor sealing performance and reduces the applicable scenes of the motor.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a step motor driver heat exchanger, includes the casing, the arc through-hole has been seted up on the surface of casing, arc through-hole internal rotation is connected with the twisting disk, the shell internal surface is stretched out at the both ends of twisting disk, the inner wall sliding connection of casing has the slider, the fixed surface of slider is connected with the connecting rod, the opposite face fixedly connected with driver of connecting rod, the output shaft fixedly connected with driving-disc of driver.

The improved multifunctional water dispenser is characterized in that a rotating through hole is uniformly formed in the side face of the shell, a heat radiating piece is movably connected in the rotating through hole, an inserting cylinder is fixedly connected to the side face of the shell, an inserting rod is inserted into the side face of the inserting cylinder, springs are fixedly connected to the opposite faces of the inserting rod and the inserting cylinder, a stabilizer bar is fixedly connected to the surface of the inserting rod, a track groove is formed in the surface of the heat radiating piece, and the stabilizer bar is connected with the inner wall of the heat radiating piece in a sliding mode through the track groove.

Specifically, in order to prevent the stabilizer bar from being separated from the track groove, the limitation of the stabilizer bar to the rotating track of the heat radiating piece through the track groove is improved, an arc-shaped limiting block is fixedly connected to one end of the stabilizer bar, which is far away from the insertion rod, and is connected to the track groove in a sliding mode, and the width of the arc-shaped limiting block is larger than that of the stabilizer bar.

Specifically, in order to prevent sundries from penetrating through the gap between the rotating through hole and the concave part on the surface of the heat dissipation piece, a sealing piece is arranged on the surface of the rotating through hole, which is in contact with the heat dissipation piece, and the sealing property between the rotating through hole and the heat dissipation piece is improved as the sealing piece is attached to the concave part on the surface of the heat dissipation piece.

Specifically, in order to reduce the weight of the driving disc and improve the contact area between the driving disc and hot air, the driving disc is hollow and made of a heat conducting material.

Specifically, in order to improve the heat dissipation efficiency of the heat dissipation member, heat dissipation grooves are uniformly formed in the surface of the heat dissipation member.

The utility model has the beneficial effects that:

firstly, the heat dissipation device is provided with the heat dissipation part, the heat in the shell is transmitted into the volume of the heat dissipation part inserted into the shell through the driving disc and the hot air, and then the heat is conducted to the part exposed outside the shell by the heat dissipation part inserted into the shell through the heat conduction characteristic of the heat dissipation part, so that the sealing performance is improved, and the heat dissipation effect is achieved.

The heat dissipation device comprises a shell, a driver, a driving disc, a heat dissipation piece and a heat dissipation piece, wherein the heat dissipation piece is arranged on the shell, the driver drives the driving disc to rotate, the driving disc drives the heat dissipation piece to rotate, and the area of the heat dissipation piece inserted into the shell and exposed out of the shell is continuously changed, so that the effect of improving the heat dissipation efficiency is achieved.

The torsion disc is arranged, the torsion disc pushes the sliding piece, the connecting rod and the driver to push the driving disc to move rightwards, the heat dissipation piece enables the stabilizer bar to exert a leftward force on the heat dissipation piece through the rail groove through the stabilizer bar and the spring, the heat dissipation piece is enabled to be stable after moving rightwards, when the torsion disc is rotated reversely, the leftward force exerted on the heat dissipation piece by the stabilizer bar can enable the heat dissipation piece to move leftwards, and the heat dissipation efficiency is adjusted by adjusting the insertion and exposure area of the heat dissipation piece in the shell.

Description of the drawings:

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a side view of the present invention;

fig. 4 is a schematic cross-sectional view of a heat sink of the present invention.

In the figure: the heat dissipation device comprises a shell 1, an arc-shaped through hole 2, a twisting disc 3, a sliding part 4, a connecting rod 5, a driver 6, a driving disc 7, a rotating through hole 8, a heat dissipation part 9, a plug-in cylinder 10, a plug-in rod 11, a spring 12, a stabilizer bar 13, a track groove 14, a sealing part 15, an arc-shaped limiting block 16 and a heat dissipation groove 17.

The specific implementation mode is as follows:

the following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the utility model.

Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a step motor driver heat dissipation lid, includes casing 1, and casing 1 installs the heat dissipation end at the motor, plays the effect of protection and improvement radiating efficiency to the motor. Arc through-hole 2 has been seted up on the surface of casing 1, and arc through-hole 2 provides the place for the rotation connection of wrench movement dish 3 on casing 1. The twisting disk 3 is rotatably connected in the arc-shaped through hole 2, and the two ends of the twisting disk 3 extend out of the inner surface and the outer surface of the shell 1, so that the twisting disk 3 can be directly twisted on the outer surface of the shell 1. The inner wall sliding connection of casing 1 has slider 4, and the fixed surface of slider 4 is connected with connecting rod 5, and the opposite face fixedly connected with driver 6 of connecting rod 5, slider 4 and connecting rod 5 support on the axis of casing 1 side with driver 6, twist the twist disk 3 simultaneously, and twist disk 3 drive slider 4 removes, and slider 4 passes through connecting rod 5 drive driver 6 and removes. The output shaft fixedly connected with driving-disc 7 of driver 6, driving-disc 7 receives the drive of driver 6 to rotate, thereby drive radiating piece 9 and rotate 8 departments of rotating the through-hole, driving-disc 7 absorbs the inside heat transfer of casing 1 and gives radiating piece 9 simultaneously, and receive driving-disc 7 through supporting radiating piece 9, adjust radiating piece 9 and pass and rotate through 8 entering casings 1 and expose the area of casing 1 of through-hole, and then adjust the radiating efficiency. The driving disk 7 is hollow and used for reducing the weight of the driving disk 7 and improving the contact area between the driving disk 7 and hot air, and the driving disk 7 is made of heat conducting materials and improves the heat absorption efficiency of the driving disk 7.

Referring to fig. 1 to 4, the side surface of the casing 1 is uniformly provided with a rotating through hole 8, the rotating through hole 8 is movably connected with a heat dissipating member 9, and the heat dissipating member 9 is used for absorbing heat inside the casing 1 and dissipating the heat to the outside of the casing 1. In order to improve the heat dissipation efficiency of the heat dissipation member 9, the surface of the heat dissipation member 9 is uniformly provided with heat dissipation grooves 17, and the heat dissipation grooves 17 are annular and used for increasing the surface area of the heat dissipation member 9. The side fixedly connected with of casing 1 inserts a section of thick bamboo 10, and the side of inserting a section of thick bamboo 10 is pegged graft and is had peg graft pole 11, and peg graft pole 11 and the opposite face fixedly connected with spring 12 of inserting a section of thick bamboo 10, spring 12 provides the power towards inserting a section of thick bamboo 10 all the time through the deformation to peg graft pole 11. The surface of the insertion rod 11 is fixedly connected with a stabilizer bar 13, the surface of the heat dissipation member 9 is provided with a track groove 14, and the stabilizer bar 13 is connected with the inner wall of the heat dissipation member 9 in a sliding manner through the track groove 14, so that the rotation track of the heat dissipation member 9 taking the circle center of the stabilizer bar as the axis is stabilized. In order to prevent the stabilizer bar 13 from being separated from the track groove 14, the limitation of the stabilizer bar 13 on the rotation track of the heat sink 9 through the track groove 14 is improved, an arc-shaped limiting block 16 is fixedly connected to one end of the stabilizer bar 13 far away from the insertion rod 11, the arc-shaped limiting block 16 is slidably connected in the track groove 14, and the width of the arc-shaped limiting block 16 is greater than that of the stabilizer bar 13. In order to prevent sundries from passing through gaps between the rotating through hole 8 and the concave part on the surface of the heat dissipation member 9, a sealing member 15 is arranged on the surface of the rotating through hole 8, which is in contact with the heat dissipation member 9, and the sealing member 15 is attached to the concave part on the surface of the heat dissipation member 9, so that the sealing performance between the rotating through hole 8 and the heat dissipation member 9 is improved.

The working principle is as follows: when the heat dissipation cover of the stepping motor driver is used, heat in the shell 1 is transferred into the volume of the heat dissipation piece 9 inserted into the shell 1 through the driving disc 7 and hot air, then the heat dissipation piece 9 inserted into the shell 1 guides the heat to the part exposed outside the shell 1 through the heat conduction characteristic of the heat dissipation piece 9, the driver 6 drives the driving disc 7 to rotate, the driving disc 7 pushes the heat dissipation piece 9 to rotate, the area of the heat dissipation piece 9 inserted into the shell 1 and exposed outside the shell 1 is continuously changed, the heat dissipation efficiency is improved, finally the sliding piece 4 is pushed to move rightwards in the shell 1 through the twisting and twisting disc 3, the sliding piece 4 pushes the driving disc 7 to move rightwards through the connecting rod 5 and the driver 6, the heat dissipation piece 9 pulls the insertion rod 11 through the stabilizing rod 13, the insertion rod 11 moves rightwards to pull the spring 12, and the stabilizing rod 13 plays a leftward role on the heat dissipation piece 9 through the track groove 14, the heat sink 9 is stabilized after moving rightward, and when the twist disk 3 is reversely rotated, the heat sink 9 can be moved leftward by the leftward force of the stabilizer bar 13 acting on the heat sink 9, and the heat dissipation efficiency can be adjusted by adjusting the area of the heat sink 9 inserted into and exposed from the housing 1.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (5)

1. The utility model provides a step motor driver heat exchanger that looses, includes casing (1), its characterized in that: the surface of the shell (1) is provided with an arc-shaped through hole (2), a twisting disc (3) is rotationally connected in the arc-shaped through hole (2), two ends of the twisting disc (3) extend out of the inner surface and the outer surface of the shell (1), the inner wall of the shell (1) is connected with a sliding part (4) in a sliding manner, the surface of the sliding part (4) is fixedly connected with a connecting rod (5), the opposite surface of the connecting rod (5) is fixedly connected with a driver (6), and an output shaft of the driver (6) is fixedly connected with a driving disc (7);

the improved structure of the heat sink is characterized in that a rotating through hole (8) is uniformly formed in the side face of the shell (1), a heat sink (9) is movably connected in the rotating through hole (8), a plug-in barrel (10) is fixedly connected to the side face of the shell (1), a plug-in rod (11) is plugged into the side face of the plug-in barrel (10), springs (12) are fixedly connected to opposite faces of the plug-in rod (11) and the plug-in barrel (10), a stabilizer bar (13) is fixedly connected to the surface of the plug-in rod (11), a track groove (14) is formed in the surface of the heat sink (9), and the stabilizer bar (13) is connected with the inner wall of the heat sink (9) in a sliding mode through the track groove (14).

2. The stepper motor driver heat sink cover as defined in claim 1, wherein: one end of the stabilizer bar (13) far away from the insertion rod (11) is fixedly connected with an arc limiting block (16), and the arc limiting block (16) is connected in the track groove (14) in a sliding mode.

3. The stepper motor driver heat sink cover as defined in claim 1, wherein: the surface that rotates through-hole (8) and radiating piece (9) contact is provided with sealing member (15), sealing member (15) is laminated mutually with the sunken department on radiating piece (9) surface.

4. The stepper motor driver heat sink cover as defined in claim 1, wherein: the driving disc (7) is hollow, and the driving disc (7) is made of heat conduction materials.

5. The stepper motor driver heat sink cover as defined in claim 1, wherein: the surface of the heat dissipation piece (9) is uniformly provided with heat dissipation grooves (17).

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