A heat dissipation type stepper motor driver housing

Abstract

This patent discloses a heat dissipation type stepper motor driver housing, including a driver housing, an outer cover is fixedly installed on the top and bottom of the driver housing, a rubber layer is bonded to the inner side of the outer cover, and the rubber layers on both sides are respectively attached to the top and bottom of the driver housing, an air inlet is provided in the middle of the outer cover, a fan is fixedly installed on the top of the air inlet, the fan is connected to the air inlet, and mounting rings are fixedly installed on the top and bottom of the fan. This patent has outer covers installed on the top and bottom of the driver housing, a fan is installed on the outer cover, and an air guide plate is installed inside the outer cover, and the air guide plate is inclined. The wind blown by the fan can directly act on the driver housing through the air guide plate, take away the heat on the driver housing, avoid heat accumulation, and improve the service life of the driver.

Description

Technical Field

[0001] This patent relates to the field of motor driver technology, specifically a heat dissipation type stepper motor driver housing. Background Art

[0002] A stepper motor driver is an actuator that converts electrical pulses into angular displacement. A stepper motor and a stepper motor driver form a stepper motor drive system. The performance of a stepper motor drive system depends not only on the performance of the stepper motor itself, but also on the quality of the stepper motor driver.

[0003] At present, the driver of the stepper motor is in the shape of a rectangular shell, and ventilation holes are provided on both sides of the shell to dissipate heat inside the driver. However, if there is no wind, the internal heat is easily accumulated on the driver shell, resulting in heat accumulation. For this reason, we propose a heat dissipation stepper motor driver shell. Utility Model Content

[0004] The purpose of this patent is to provide a heat dissipation type stepper motor driver housing to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the present patent provides the following technical solutions: a heat dissipation stepper motor driver housing, comprising a driver housing, the top and bottom of the driver housing are fixedly mounted with outer covers, the inner sides of the outer covers are bonded with rubber layers, the rubber layers on both sides are respectively attached to the top and bottom of the driver housing, an air inlet is provided in the middle of the outer cover, a fan is fixedly mounted on the top of the air inlet, the fan is connected to the air inlet, and mounting rings are fixedly mounted on the top and bottom of the fan;

[0006] The inner top wall of the outer cover is integrally formed with an air guide plate;

[0007] The wind deflector is inclined;

[0008] The left and right sides of the fan are both provided with mounting mechanisms.

[0009] Preferably, the installation machine includes a screw and an internal threaded tube, the bottom end of the internal threaded tube is fixedly installed on the driver housing, through holes are provided on both sides of the top of the outer cover, the bottom end of the screw passes through the through holes and is screwed into the internal threaded tube, a pressure ring is integrally formed on the side wall of the screw, the bottom of the pressure ring fits tightly against the top of the outer cover, an annular groove is provided on the top of the side wall of the screw, a circular ring is rotatably connected in the annular groove, a pressure plate is fixedly installed on the inner end of the outer wall of the circular ring, the bottom of the pressure plate fits tightly against the top of the upper mounting ring, and the bottom of the lower mounting ring fits tightly against the top of the outer cover.

[0010] Preferably, the outer cover is provided with two circular holes, which are respectively located on the left and right sides of the air inlet hole, and positioning rods are fixedly installed on the left and right sides of the bottom of the mounting ring on the lower side, and the bottom end of the positioning rod extends into the outer cover through the circular hole, and a positioning tube is provided on the outside of the positioning rod, and the end of the positioning tube is fixedly installed on the driver housing.

[0011] Preferably, feet are fixedly mounted at the four corners of the bottom of the driver housing, and the height of the feet is higher than the height of the outer cover.

[0012] Preferably, a rubber ring is fixedly mounted on the bottom of the pressure ring, and the bottom of the rubber ring fits tightly against the top of the outer cover.

[0013] Preferably, a sealing ring is fixedly mounted on the bottom of the mounting ring on the lower side, and the bottom of the sealing ring is tightly fitted on the top of the outer cover.

[0014] Compared with the prior art, the beneficial effects of this patent are as follows: this patent has an outer cover installed on the top and bottom of the driver housing, a fan is installed on the outer cover, and an air guide plate is installed inside the outer cover, and the air guide plate is inclined. The wind blown by the fan can directly act on the driver housing through the air guide plate, take away the heat on the driver housing, avoid heat accumulation, and increase the service life of the driver. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the overall three-dimensional diagram of this patent.

[0016] Figure 2 This is a schematic diagram of the outer cover of this patent.

[0017] Figure 3 This is the schematic diagram of point a of this patent.

[0018] In the figure: 1, driver housing, 2, outer cover, 3, air inlet, 4, fan, 5, mounting ring, 6, air guide plate, 7, screw, 8, internal threaded tube, 9, through hole, 10, pressure ring, 11, annular groove, 12, circular ring, 13, pressure plate, 14, circular hole, 15, positioning tube, 16, positioning rod, 17, support foot. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0020] See also Figure 1 , Figure 2 and Figure 3 This patent provides a technical solution: a heat dissipation stepper motor driver housing, including a driver housing 1, an outer cover 2 is fixedly installed on the top and bottom of the driver housing 1, a rubber layer is bonded to the inner side of the outer cover 2, and the rubber layers on both sides are respectively attached to the top and bottom of the driver housing 1, an air inlet 3 is provided in the middle of the outer cover 2, a fan 4 is fixedly installed on the top of the air inlet 3, the fan 4 is connected to the air inlet 3, and a mounting ring 5 is fixedly installed on the top and bottom of the fan 4;

[0021] The inner top wall of the outer cover 2 is integrally formed with an air guide plate 6;

[0022] The air guide plate 6 is inclined;

[0023] like Figure 2 As shown, the free end of the wind guide plate 6 is close to the driver housing 1, so that when the fan 4 blows wind into the outer cover 2, the wind frequently contacts the driver housing 1, thereby improving the heat dissipation effect.

[0024] The left and right sides of the fan 4 are both provided with mounting mechanisms.

[0025] Specifically, the installation machine includes a screw rod 7 and an internal threaded tube 8, the bottom end of the internal threaded tube 8 is fixedly installed on the driver housing 1, through holes 9 are provided on both sides of the top of the outer cover 2, the bottom end of the screw rod 7 passes through the through holes 9 and is screwed into the internal threaded tube 8, a pressure ring 10 is integrally formed on the side wall of the screw rod 7, the bottom of the pressure ring 10 is tightly fitted on the top of the outer cover 2, an annular groove 11 is provided on the top of the side wall of the screw rod 7, a circular ring 12 is rotatably connected in the annular groove 11, a pressure plate 13 is fixedly installed on the inner end of the outer wall of the circular ring 12, the bottom of the pressure plate 13 is tightly fitted on the top of the upper mounting ring 5, and the bottom of the lower mounting ring 5 is tightly fitted on the top of the outer cover 2.

[0026] The ring 12 can rotate relatively in the annular groove 11 .

[0027] like Figure 3 As shown, by tightening the screw 7, the fan 4 can be fixed on the outer cover 2, and the outer cover 2 can be fixed on the driver housing 1, so that the fan 4 and the outer cover 2 can be installed at the same time.

[0028] Specifically, the outer cover 2 is provided with a circular hole 14, and the number of the circular holes 14 is two. The two circular holes 14 are respectively located on the left and right sides of the air inlet 3. Positioning rods 16 are fixedly installed on the left and right sides of the bottom of the lower mounting ring 5. The bottom end of the positioning rod 16 passes through the circular hole 14 and extends into the outer cover 2. A positioning tube 15 is sleeved on the outside of the positioning rod 16, and the end of the positioning tube 15 is fixedly installed on the driver housing 1.

[0029] By inserting the positioning rod 16 into the circular hole 14 and the positioning tube 15 at the same time, the fan 4 and the outer cover 2 can be positioned at the same time.

[0030] Specifically, support feet 17 are fixedly installed at the four corners of the bottom of the driver housing 1 , and the height of the support feet 17 is higher than the height of the outer cover 2 .

[0031] Specifically, a rubber ring is fixedly mounted on the bottom of the pressure ring 10 , and the bottom of the rubber ring is tightly fitted on the top of the outer cover 2 .

[0032] The rubber ring is used to seal between the pressure ring 10 and the outer cover 2.

[0033] Specifically, a sealing ring is fixedly mounted on the bottom of the lower mounting ring 5 , and the bottom of the sealing ring is tightly fitted on the top of the outer cover 2 .

[0034] A sealing ring is provided to seal the through hole 9 .

[0035] Working principle: A fan 4 is installed on the outer cover 2, and an air guide plate 6 is installed inside the outer cover 2, and the air guide plate 6 is inclined. The wind blown into the outer cover 2 by the fan 4 can directly act on the driver housing 1 through the air guide plate 6, taking away the heat on the driver housing 1, avoiding heat accumulation, and improving the service life of the driver.

[0036] It should be noted that the equipment structure and drawings of this patent mainly describe the principles of this patent. In terms of the technology of this design principle, the settings of the device's power mechanism, power supply system and control system are not fully described. However, on the premise that technical personnel in this field understand the principles of the above patent, they can clearly know the details of its power mechanism, power supply system and control system.

[0037] In the description of this patent, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inside", "front", "center", "two ends" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing this patent and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation; at the same time, unless otherwise clearly stipulated and limited, the terms "setting", "installation", "connection", "fixed installation" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to the specific circumstances.

[0038] Although the embodiments of the present patent have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present patent, and the scope of the present patent is defined by the appended claims and their equivalents.

Claims

1. A heat dissipation stepper motor driver housing, characterized in that: The invention comprises a driver housing (1), wherein an outer cover (2) is fixedly mounted on the top and bottom of the driver housing (1), a rubber layer is bonded to the inner side of the outer cover (2), and the rubber layers on both sides are respectively attached to the top and bottom of the driver housing (1), an air inlet (3) is provided in the middle of the outer cover (2), a fan (4) is fixedly mounted on the top of the air inlet (3), the fan (4) is connected to the air inlet (3), and a mounting ring (5) is fixedly mounted on the top and bottom of the fan (4); The inner top wall of the outer cover (2) is integrally formed with an air guide plate (6); The wind guide plate (6) is inclined; The left and right sides of the fan (4) are both provided with mounting mechanisms.

2. The heat dissipation type stepper motor driver housing according to claim 1, characterized in that: The installation machine comprises a screw rod (7) and an internally threaded tube (8), the bottom end of the internally threaded tube (8) is fixedly mounted on the driver housing (1), through holes (9) are provided on both sides of the top of the outer cover (2), the bottom end of the screw rod (7) passes through the through holes (9) and is screwed into the internally threaded tube (8), a pressure ring (10) is integrally formed on the side wall of the screw rod (7), the bottom of the pressure ring (10) is tightly fitted on the top of the outer cover (2), an annular groove (11) is provided on the top of the side wall of the screw rod (7), a circular ring (12) is rotatably connected in the circular groove (11), a pressure plate (13) is fixedly mounted on the inner end of the outer wall of the circular ring (12), the bottom of the pressure plate (13) is tightly fitted on the top of the upper mounting ring (5), and the bottom of the lower mounting ring (5) is tightly fitted on the top of the outer cover (2).

3. The heat dissipation stepper motor driver housing according to claim 1, characterized in that: The outer cover (2) is provided with a circular hole (14), the number of the circular holes (14) is two, and the two circular holes (14) are respectively located on the left and right sides of the air inlet hole (3), and positioning rods (16) are fixedly installed on the left and right sides of the bottom of the lower mounting ring (5), and the bottom end of the positioning rod (16) passes through the circular hole (14) and extends into the outer cover (2), and a positioning tube (15) is sleeved on the outside of the positioning rod (16), and the end of the positioning tube (15) is fixedly installed on the driver housing (1).

4. The heat dissipation stepper motor driver housing according to claim 1, characterized in that: Support feet (17) are fixedly mounted at the four corners of the bottom of the driver housing (1), and the height of the support feet (17) is higher than the height of the outer cover (2).

5. The heat dissipation type stepper motor driver housing according to claim 2, characterized in that: A rubber ring is fixedly mounted on the bottom of the pressure ring (10), and the bottom of the rubber ring is tightly fitted on the top of the outer cover (2).

6. The heat dissipation type stepper motor driver housing according to claim 1, characterized in that: A sealing ring is fixedly mounted on the bottom of the mounting ring (5) on the lower side, and the bottom of the sealing ring is tightly fitted on the top of the outer cover (2).

Images