Heat insulation plate structure of air cooling motor

Abstract

The utility model relates to the technical field of motor accessories, in particular to a heat insulation plate structure of an air cooling motor, which comprises a first plate body, a second plate body, a connecting shaft, a positioning cavity and a compression spring, the first plate body and the second plate body are arranged at an interval, and the connecting shaft and the positioning cavity are respectively arranged on the first plate body and the second plate body. The connecting shaft is sleeved with the compression spring, the two ends of the compression spring are connected with the first plate body and the second plate body respectively, the first plate body and the second plate body can make contact with each other or be separated from each other, and when the first plate body and the second plate body are separated from each other, a channel for discharging hot air in the motor is formed between the first plate body and the second plate body; by means of the first plate body and the second plate body which are made of heat insulation materials, hot air can be exhausted through the space between the first plate body and the second plate body, and therefore heat energy is prevented from being transmitted back to the motor in the exhaust process.

Description

Technical Field

[0001] The utility model relates to the technical field of motor accessories, in particular to a heat insulation board structure of an air-cooled motor. Background Art

[0002] A motor is an electromagnetic device that uses electromagnetic induction to convert or transfer electrical energy. It is one of the main devices in various types of machines (such as machine tools).

[0003] Nowadays, when the motor is running, a large amount of heat is generated inside, so it is necessary to use a heat dissipation structure to discharge this heat in time to ensure the stable movement of the motor. The current heat dissipation method is mainly water cooling, that is, a water cooling chamber is opened on the motor casing. By continuously supplying water to the water cooling chamber, the purpose of heat dissipation and cooling of the motor has been achieved. However, the water cooling method cannot directly enter the interior of the motor, so the heat dissipation effect is limited.

[0004] Therefore, some motors are currently cooled by air. Compared with water cooling, air cooling can directly enter the interior of the motor to dissipate heat and cool down the temperature, so it has a better heat dissipation effect. However, when the hot air is discharged from the motor, the hot air passes through the inner wall of the motor's exhaust port and transfers part of the heat back to the motor, thus affecting the heat dissipation effect of the motor.

[0005] In summary, improvements need to be made. Utility Model Content

[0006] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a heat insulation board structure for an air-cooled motor, aiming to solve the problems arising from the above-mentioned background technology.

[0007] The technical solution of the utility model is implemented as follows: a heat insulation board structure of an air-cooled motor, characterized in that it includes:

[0008] A first plate body is detachably connected to the housing of the motor;

[0009] A second plate body is spaced apart from the first plate body;

[0010] A connecting shaft is arranged on the second plate body;

[0011] A positioning cavity is formed on the first plate body and cooperates with the connecting shaft;

[0012] A compression spring is sleeved on the connecting shaft and can drive the first plate body and the second plate body to approach each other;

[0013] Wherein, the first plate body and the second plate body can contact or separate from each other, and the first plate body and the second plate body are provided with a movable opening through which the main shaft of the power supply motor passes;

[0014] When the first plate body and the second plate body are separated from each other, a passage for discharging hot air in the power supply machine is formed between the first plate body and the second plate body.

[0015] Preferably, the second plate includes:

[0016] The main body is connected to the first plate body via a connecting shaft;

[0017] The positioning body is arranged at the circumferential edge of the main body and has a ring shape.

[0018] Preferably, a sealing ring is provided on the inner wall of the positioning body.

[0019] Preferably, the inner circle of the first plate body is provided with a plurality of hooks which are equidistantly distributed in the circumferential direction.

[0020] Preferably, the connecting shaft is composed of an inner shaft and an outer shaft which can slide axially relative to each other, and axially extending limiting ribs and limiting grooves are provided on the mating surfaces of the inner shaft and the outer shaft, and the two ends of the compression spring are respectively connected to the inner shaft and the outer shaft;

[0021] Wherein, the second plate body is provided with a driving shaft connected to the inner shaft and rotatably connected to the second plate body, and the outer shaft is detachably connected to the positioning cavity through a thread;

[0022] The second plate body is provided with a limiting plate, and the limiting plate is in contact with the hook.

[0023] Preferably, a slot is provided at one end of the driving shaft.

[0024] The utility model has at least the following beneficial effects:

[0025] 1. The heat insulation board structure of the utility model is suitable for the exhaust port of the air-cooled motor. It can block the hot air during the exhaust process and transfer the heat back to the motor, thereby ensuring the heat dissipation effect.

[0026] 2. The heat insulation board structure of the utility model can be normally closed when the motor stops running, thereby preventing impurities from entering the motor.

[0027] In addition, other advantages of the present invention will be demonstrated in the embodiments of the present invention, thereby making the beneficial effects of the present invention more significant. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0029] Figure 1 This is a schematic diagram of the structure of the heat insulation board in a specific implementation manner of the utility model;

[0030] Figure 2 This is a schematic diagram of the application of the heat insulation board in the air-cooled motor in the specific implementation mode of the utility model;

[0031] Figure 3 for Figure 2 A magnified view of part A in FIG.

[0032] Figure 4 This is a schematic diagram of the structure of a specific embodiment 2 of the utility model;

[0033] Figure 5 for Figure 4 A magnified view of part B in FIG.

[0034] Figure 6 for Figure 5 AA section view in. DETAILED DESCRIPTION

[0035] 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 of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Example 1

[0037] like Figure 1-3 As shown, the utility model discloses a heat insulation board structure of an air-cooled motor. The heat insulation board structure of this embodiment is suitable for air-cooled motors, and the structure of this air-cooled motor can be as follows Figure 2 As shown, it includes:

[0038] The housing is composed of a first housing 10 and a second housing 11 which are spaced apart from each other;

[0039] The stator 12 and the rotor 13 are arranged in the first housing 10;

[0040] A main shaft 14 is connected to the rotor 13 and is rotatably disposed in the first housing 10 and the second housing 11;

[0041] In this embodiment, the gap formed between the first shell 10 and the second shell 11 is an exhaust port. In addition, an air intake mechanism is also provided on the first shell 10 of this embodiment, which is composed of an air intake body 20 and a closed body 21 integrally formed with the first shell 10. The air intake body 20 has an air intake cavity 22, and an air intake nozzle 23 and an air intake port 24 connected to the air intake cavity 22 are provided on the air intake body 20. The air intake port 24 connects the air intake cavity and the interior of the first shell 10. When the air intake nozzle 23 takes in air, the closed body is compressed due to the pressure rise in the air intake cavity. The air flow is high and moves away from the air inlet nozzle and opens the air inlet. Therefore, the air flow can enter the first shell 10 through the air inlet, and after absorbing heat in the first shell 10, it is discharged from the exhaust port formed by the first shell 10 and the second shell 11 to complete the heat dissipation. In actual use, a control valve can be set on the air inlet body 20 (the control valve is used to control the air intake or exhaust of the air intake chamber). The control valve is closed when the air inlet nozzle 23 takes in air. When the air inlet nozzle stops taking in air, the control valve can be opened to relieve the pressure in the air intake chamber, thereby resetting the closed body.

[0042] In this embodiment, the heat insulation board structure includes:

[0043] The first plate 31 is detachably connected to the housing (first housing 10) of the motor;

[0044] The second plate body 32 is spaced apart from the first plate body 31;

[0045] A connecting shaft 33 is provided on the second plate 32;

[0046] A positioning cavity 34 is formed on the first plate 31 and cooperates with the connecting shaft 33;

[0047] The compression spring 35 is sleeved on the connecting shaft 33 and can drive the first plate 31 and the second plate 32 to approach each other;

[0048] The first plate 31 and the second plate 32 can contact or separate from each other, and the first plate 31 and the second plate 32 are provided with a movable opening 36 through which the main shaft 14 of the power supply machine passes;

[0049] When the first plate body 31 and the second plate body 32 are separated from each other, a channel for discharging hot air in the power supply machine is formed between the first plate body 31 and the second plate body 32 (which is the interval formed between the first shell and the second shell).

[0050] In this embodiment, the second plate body includes:

[0051] The main body is connected to the first plate 31 via a connecting shaft;

[0052] The positioning body 320 is disposed on the circumferential edge of the main body and has a ring shape.

[0053] In this embodiment, a sealing ring 320a is provided on the inner wall of the positioning body 320, which can improve the sealing between the positioning body and the first plate when the positioning body contacts the first plate.

[0054] In this embodiment, a plurality of hooks 31 a are disposed on the inner circle of the first plate 31 and are equidistantly spaced in the circumferential direction.

[0055] In this embodiment, the second shell 11 is provided with an adapting groove 4 for the positioning body 320 to move.

[0056] In this embodiment, the closing body 21 has a linkage shaft 21 a , and the linkage shaft passes through the first plate body 31 and is connected to the second plate body 32 . That is, the first plate body 31 is provided with an opening for the linkage shaft to pass through.

[0057] refer to Figure 1-3 , the principle of this embodiment is:

[0058] During installation, the first plate body is aligned with the linkage shaft and is inserted into the first shell in a coaxial manner with the first shell. The first plate body can be installed on the first shell by means of the hook provided on the first plate body. After the installation is completed, the first plate body is fixed and contacts one end of the first shell, and the linkage shaft is against the second plate body. When the air inlet cavity is not ventilated, the positioning body on the second plate body is aligned with the first plate body, and the other side of the positioning body is located in the adapter groove of the second shell, thereby closing the gap between the first plate body and the second plate body, so that impurities cannot enter the motor.

[0059] When the air inlet cavity is ventilated, the closing body moves to the right and drives the second plate body to move toward the second shell body until it contacts the second shell body. At this time, the positioning body enters the adapter groove and separates from the first plate body, so that the channel formed by the first plate body and the second plate body is opened. At this time, the gas enters the first shell body from the air inlet, and after dissipating the heat to the first shell, it is discharged from between the first plate body and the second plate body to complete the heat dissipation.

[0060] In this embodiment, since the hot air is discharged from between the first plate and the second plate, and the first plate and the second plate are made of heat-insulating materials, the heat of the hot air will not be transferred back to the first shell or the second shell.

[0061] After the heat dissipation is completed, the air inlet nozzle stops supplying air, the compression spring drives the second plate body to approach the first plate body, and makes the positioning body contact with the first plate body again, and also makes the closing body move to the left side and close the air inlet again.

[0062] Embodiment 2 is different from Embodiment 1 in that:

[0063] like Figure 4-6As shown, in this embodiment: the connecting shaft 33 is composed of an inner shaft 50 and an outer shaft 51 that can slide axially relative to each other, and the matching surfaces of the inner shaft 50 and the outer shaft 51 are provided with axially extending limiting ribs 51b and limiting grooves, and the two ends of the compression spring 35 are respectively connected to the outer wall of the inner shaft 50 and the outer wall of the outer shaft 51;

[0064] The second plate body 32 is provided with a driving shaft connected to the inner shaft 50 and rotatably connected to the second plate body 32, and the outer shaft 51 is detachably connected to the positioning cavity 34 via threads;

[0065] The second plate body 32 is provided with a limiting plate 6 , and the limiting plate 6 is in contact with the hook 31 a .

[0066] In this embodiment, the limiting plates 6 are arranged on the inner wall of the movable opening of the second plate body 32 at circumferential intervals, and the buckles 31 a are arranged on the inner wall of the movable opening of the first plate body 31 at circumferentially equidistant intervals.

[0067] In this embodiment: a slot 50a is provided at one end of the driving shaft, and the cross-sectional shape of the slot 50a can be a regular pentagon.

[0068] In this embodiment, the drive shaft and the inner shaft 50 are integrally formed, and the slot 50 a is provided at one end of the inner shaft 5 . Specifically, a transmission opening 7 may be provided on the second plate 32 , and the inner shaft 50 is rotatably provided at the transmission opening 7 .

[0069] refer to Figure 4-6 In order to achieve a detachable connection with the first plate body, the second plate body of this embodiment is configured to have a connecting shaft as a telescopic shaft structure in which an inner shaft and an outer shaft cooperate. During disassembly and installation, a tool can be used to cooperate with the slot, and the outer shaft can be rotated by rotating the inner shaft, thereby allowing the outer shaft to be installed and disassembled with the first plate body. In this embodiment, the inner shaft and the outer shaft are provided with mutually matching limiting ribs and limiting grooves, which enable the inner shaft and the outer shaft to slide axially relative to each other. At the same time, when the inner shaft rotates axially, the outer shaft can also be controlled to rotate, thereby achieving the purpose of rotating the outer shaft by driving the inner shaft to rotate, thereby facilitating a threaded connection between the outer shaft and the positioning cavity (threaded connection means that the inner wall of the positioning cavity and the outer wall of the outer shaft are provided with mutually matching threads).

[0070] It is worth mentioning that a limiting plate is provided on the second plate body of the present embodiment. When the second plate body and the first plate body are matched, the limiting plate contacts the hook, thus preventing the hook from falling off and improving the installation stability of the first plate body and the first shell.

[0071] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat shield structure for an air-cooled motor, characterized in that: include: A first plate (31) is detachably connected to the housing of the motor; A second plate body (32) is spaced apart from the first plate body (31); A connecting shaft (33) is arranged on the second plate body (32); A positioning cavity (34) is formed on the first plate (31) and cooperates with the connecting shaft (33); A compression spring (35) is sleeved on the connecting shaft (33) and is capable of driving the first plate body (31) and the second plate body (32) to move closer to each other; The first plate (31) and the second plate (32) are capable of contacting or separating from each other, and a movable opening (36) for the main shaft of the power supply motor to pass through is provided on the first plate (31) and the second plate (32); When the first plate body (31) and the second plate body (32) are separated from each other, a passage for discharging hot air in the power supply machine is formed between the first plate body (31) and the second plate body (32).

2. The heat shield structure of an air-cooled motor according to claim 1, characterized in that: The second plate body comprises: A main body connected to the first plate body (31) via a connecting shaft (33); The positioning body (320) is arranged on the circumferential edge of the main body and has a ring shape.

3. The heat shield structure of an air-cooled motor according to claim 2, characterized in that: A sealing ring (320a) is provided on the inner wall of the positioning body (320).

4. A heat shield structure for an air-cooled motor according to any one of claims 1 to 3, characterized in that: The inner circle of the first plate body (31) is provided with a plurality of hooks (31a) which are equidistantly distributed in the circumferential direction.

5. The heat shield structure of an air-cooled motor according to claim 4, characterized in that: The connecting shaft (33) is composed of an inner shaft (50) and an outer shaft (51) which can slide axially relative to each other, and the mating surfaces of the inner shaft (50) and the outer shaft (51) are provided with axially extending limiting ribs (51b) and limiting grooves, and the two ends of the compression spring (35) are respectively connected to the inner shaft (50) and the outer shaft (51); The second plate body (32) is provided with a driving shaft connected to the inner shaft (50) and rotatably connected to the second plate body (32), and the outer shaft (51) is detachably connected to the positioning cavity (34) via threads; A limiting plate (6) is provided on the second plate body (32), and the limiting plate (6) is in contact with the hook (31a).

6. The heat shield structure of an air-cooled motor according to claim 5, characterized in that: One end of the driving shaft is provided with a clamping groove (50a).

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