Automatic blowback device of air cooler

Abstract

The utility model belongs to the technical field of blowback devices of air coolers, and particularly relates to an automatic blowback device of an air cooler, which adopts the following scheme that the automatic blowback device comprises a shell, the motor is fixedly mounted on the rear side of the shell, and an output shaft of the motor extends to the inner side of the shell; the fan blades are rotationally connected to the inner side of the shell; according to the electric fan, the first electric push rod is started, the first electric push rod pushes the telescopic rod to extend, the telescopic rod can push the hexagonal block to be inserted into the inner side of the third bevel gear, the motor and the fan blades are connected, the fan blades are driven to rotate forwards, and the fan blades are driven to rotate backwards. The first electric push rod is reset, the second electric push rod is started, the second electric push rod connects the motor and the fan blades through the second bevel gear, so that the fan blades rotate reversely, and batting or impurities on the rear side of the shell are blown off while heat dissipation is conducted on the motor.

Description

Technical Field

[0001] The utility model relates to the technical field of back-blowing devices for air coolers, in particular to an automatic back-blowing device for air coolers. Background Art

[0002] An air cooler generally refers to a cooling fan. The air cooler in the prior art is generally not provided with a back-blowing system, resulting in the inability to dissipate heat from the rear motor, and the heat is always dissipated through the rear side of the air cooler, which will cause lint or impurities to adhere to the rear side of the air cooler, blocking the air cooler and reducing the air intake efficiency. Therefore, the utility model proposes an automatic back-blowing device for the air cooler to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to solve the problem in the prior art that the air cooler is generally not provided with a back-blowing system, resulting in the inability to dissipate heat from the rear motor, and the heat is always dissipated through the rear side of the air cooler, which will cause lint or impurities to adhere to the rear side of the air cooler, blocking the air cooler and reducing the air intake efficiency, and an automatic back-blowing device for the air cooler is proposed to solve the problem.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An automatic back-blowing device for an air-cooling machine, comprising

[0006] shell;

[0007] A motor, wherein the motor is fixedly mounted on the rear side of the housing, and an output shaft of the motor extends to the inner side of the housing;

[0008] A fan blade, the fan blade being rotatably connected to the inner side of the housing;

[0009] A forward rotation mechanism and a reverse rotation mechanism, wherein the forward rotation mechanism cooperates with the reverse rotation mechanism, the motor and the fan blades respectively;

[0010] A connecting mechanism, the connecting mechanism comprising: a first bevel gear, a telescopic rod and a third bevel gear;

[0011] The first bevel gear is fixedly sleeved on the motor output shaft, the third bevel gear is fixedly connected to the fan blade, and the telescopic rod is fixedly connected to the motor output shaft.

[0012] As a preferred solution of the utility model, the forward rotation mechanism comprises: a hexagonal block and a first electric push rod;

[0013] The first electric push rod is fixedly installed on the top of the telescopic rod, and the hexagonal block is fixedly installed on the left end of the telescopic rod.

[0014] As a preferred solution of the utility model, the reversing mechanism comprises: a second electric push rod, a mounting plate and a second bevel gear;

[0015] The second electric push rod is fixedly mounted on the inner wall of the shell, the bottom end of the second electric push rod is fixedly connected to the mounting plate, and the second bevel gear is rotatably connected to the bottom of the mounting plate.

[0016] As a preferred solution of the utility model, a hexagonal block is fixedly installed on the left end of the telescopic rod, a hexagonal groove is opened on the right side of the third bevel gear, and the outer side of the hexagonal block is detachably connected to the inner wall of the hexagonal groove.

[0017] As a preferred solution of the utility model, a connecting frame is fixedly installed on the left end of the first electric push rod, and the connecting frame is fixedly sleeved on the telescopic rod.

[0018] As a preferred solution of the utility model, a circular through hole is opened on the rear side of the shell, and the outer side of the motor output shaft is rotatably connected to the inner wall of the circular through hole.

[0019] Beneficial effects:

[0020] 1. After the first electric push rod is started, the first electric push rod pushes the telescopic rod to extend, and the telescopic rod can drive the hexagonal block to insert into the inner side of the third bevel gear, and then the motor is started, the motor telescopic rod, the hexagonal block and the third bevel gear rotate, and the third bevel gear drives the fan blades to rotate, so as to realize the positive rotation of the fan blades;

[0021] 2. After the second electric push rod is started, the second electric push rod can press the mounting plate to slide downward, and the mounting plate can drive the second bevel gear to engage with the first bevel gear and the third bevel gear respectively. At this time, the first electric push rod is started again to retract the first electric push rod, and the first push rod disconnects the telescopic rod from the third bevel gear. The motor is started again, and the motor can drive the first bevel gear, the second bevel gear and the third bevel gear to rotate, and the third bevel gear drives the fan blades to reverse;

[0022] In the utility model: by starting the first electric push rod, the first electric push rod pushes the telescopic rod to extend, and the telescopic rod can push the hexagonal block to be inserted into the inner side of the third bevel gear to connect the motor with the fan blades, drive the fan blades to rotate forward, so that the first electric push rod is reset and the second electric push rod is started. The second electric push rod connects the motor with the fan blades through the second bevel gear to reverse the fan blades, dissipate the heat of the motor, and blow away the fluff or impurities on the rear side of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional diagram of the left side view of the utility model;

[0024] Figure 2 It is a three-dimensional diagram of the right side view of the utility model;

[0025] Figure 3 It is a three-dimensional cross-sectional view of the left side of the utility model;

[0026] Figure 4 It is a three-dimensional cross-sectional view of the right side of the utility model.

[0027] In the figure: 1. housing; 2. motor; 3. first bevel gear; 4. telescopic rod; 5. hexagonal block; 6. first electric push rod; 7. connecting frame; 8. second electric push rod; 9. mounting plate; 10. second bevel gear; 11. third bevel gear; 12. fan blade. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Example

[0030] Reference Figure 1-Figure 4 , an automatic back-blowing device for an air-cooling machine, comprising

[0031] Shell 1;

[0032] The motor 2 is fixedly mounted on the rear side of the housing 1, and the output shaft of the motor 2 extends to the inner side of the housing 1;

[0033] The fan blade 12 is rotatably connected to the inner side of the housing;

[0034] A forward rotation mechanism and a reverse rotation mechanism, wherein the forward rotation mechanism cooperates with the reverse rotation mechanism, the motor 2 and the fan blade 12 respectively;

[0035] A connecting mechanism, the connecting mechanism comprises: a first bevel gear 3, a telescopic rod 4 and a third bevel gear 11;

[0036] The first bevel gear 3 is fixedly sleeved on the output shaft of the motor 2 , the third bevel gear 11 is fixedly connected to the fan blade 12 , and the telescopic rod 4 is fixedly connected to the output shaft of the motor 2 .

[0037] By means of the above structure: by starting the first electric push rod 6, the first electric push rod 6 pushes the telescopic rod 4 to extend, and the telescopic rod 4 can push the hexagonal block 5 to be inserted into the inner side of the third bevel gear 11 to connect the motor 2 with the fan blades 12, drive the fan blades 12 to rotate forward, so that the first electric push rod 6 is reset and the second electric push rod 8 is started. The second electric push rod 8 connects the motor 2 with the fan blades 12 through the second bevel gear 10 to reverse the fan blades 12, dissipate the heat of the motor 2, and blow away the fluff or impurities on the rear side of the housing 1.

[0038] As a preferred solution of the utility model, the forward rotation mechanism includes: a hexagonal block 5 and a first electric push rod 6;

[0039] The first electric push rod 6 is fixedly installed on the top of the telescopic rod 4, and the hexagonal block 5 is fixedly installed on the left end of the telescopic rod 4. After the first electric push rod 6 is started, the first electric push rod 6 pushes the telescopic rod 4 to extend, and the telescopic rod 4 can drive the hexagonal block 5 to insert into the inner side of the third bevel gear 11, and then the motor 2 is started, the telescopic rod 4, the hexagonal block 5 and the third bevel gear 11 of the motor 2 rotate, and the third bevel gear 11 drives the fan blades 12 to rotate, so as to realize the forward rotation of the fan blades 12.

[0040] As a preferred solution of the utility model, the reversing mechanism includes: a second electric push rod 8, a mounting plate 9 and a second bevel gear 10;

[0041] The second electric push rod 8 is fixedly mounted on the inner wall of the housing 1, the bottom end of the second electric push rod 8 is fixedly connected to the mounting plate 9, and the second bevel gear 10 is rotatably connected to the bottom of the mounting plate 9. After the second electric push rod 8 is started, the second electric push rod 8 can press the mounting plate 9 to slide downward, and the mounting plate 9 can drive the second bevel gear 10 to engage with the first bevel gear 3 and the third bevel gear 11 respectively. At this time, the first electric push rod 6 is started again to retract the first electric push rod 6, and the first push rod disconnects the telescopic rod 4 from the third bevel gear 11. The motor 2 is started again, and the motor 2 can drive the first bevel gear 3, the second bevel gear 10 and the third bevel gear 11 to rotate, and the third bevel gear 11 drives the fan blades 12 to reverse.

[0042] As a preferred solution of the utility model, a hexagonal block 5 is fixedly installed on the left end of the telescopic rod 4, and a hexagonal groove is opened on the right side of the third bevel gear 11. The outer side of the hexagonal block 5 and the inner wall of the hexagonal groove can be detachably connected. After the hexagonal block 5 is inserted into the inner side of the hexagonal groove, the hexagonal block 5 can connect the telescopic rod 4 and the third bevel gear 11, so that the telescopic rod 4 can drive the fan blades 12 to rotate.

[0043] As a preferred solution of the utility model, a connecting frame 7 is fixedly installed on the left end of the first electric push rod 6, and the connecting frame 7 is fixedly sleeved on the telescopic rod 4. The connecting frame 7 is used to connect the first electric push rod 6 and the telescopic rod 4, so that the first electric push rod 6 can push the telescopic rod 4 to extend when it is started.

[0044] As a preferred solution of the utility model, a circular through hole is opened on the rear side of the shell 1, and the outer side of the output shaft of the motor 2 is rotatably connected to the inner wall of the circular through hole. The circular through hole is used to insert the output shaft of the motor 2 into the inner side of the shell 1 to drive the fan blades 12 to rotate.

[0045] It should be noted that the specific type of motor 2 to be used is selected by the relevant technical personnel familiar with the field, and the above motor 2 and the like belong to the existing technology and will not be elaborated in this solution.

[0046] The working principle of the utility model is as follows: when the fan blades 12 need to rotate forward, it is only necessary to start the first electric push rod 6. After the first electric push rod 6 is started, the first electric push rod 6 pushes the telescopic rod 4 to extend, and the telescopic rod 4 can drive the hexagonal block 5 to be inserted into the inner side of the third bevel gear 11, and then the motor 2 is started, the telescopic rod 4, the hexagonal block 5 and the third bevel gear 11 of the motor 2 rotate, and the third bevel gear 11 drives the fan blades 12 to rotate, so as to realize the forward rotation of the fan blades 12. When the fan blades 12 need to be reversed, it is only necessary to start the second electric push rod 8. After the second electric push rod 8 is started, , the second electric push rod 8 can press the mounting plate 9 to slide downward, and the mounting plate 9 can drive the second bevel gear 10 to engage with the first bevel gear 3 and the third bevel gear 11 respectively. At this time, the first electric push rod 6 is started again to retract the first electric push rod 6, and the first push rod disconnects the telescopic rod 4 from the third bevel gear 11. The motor 2 is started again, and the motor 2 can drive the first bevel gear 3, the second bevel gear 10 and the third bevel gear 11 to rotate. The third bevel gear 11 then drives the fan blades 12 to reverse, so that the fan blades 12 can dissipate heat for the motor 2 and blow away the fluff or impurities on the rear side of the housing 1.

[0047] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. An automatic back-blowing device for an air cooler, characterized in that: include Housing (1); A motor (2), wherein the motor (2) is fixedly mounted on the rear side of the housing (1), and an output shaft of the motor (2) extends to the inner side of the housing (1); A fan blade (12), wherein the fan blade (12) is rotatably connected to the inner side of the housing; A forward rotation mechanism and a reverse rotation mechanism, wherein the forward rotation mechanism is respectively matched with the reverse rotation mechanism, the motor (2) and the fan blade (12); A connecting mechanism, the connecting mechanism comprising: a first bevel gear (3), a telescopic rod (4) and a third bevel gear (11); The first bevel gear (3) is fixedly sleeved on the output shaft of the motor (2), the third bevel gear (11) is fixedly connected to the fan blade (12), and the telescopic rod (4) is fixedly connected to the output shaft of the motor (2); The forward rotation mechanism comprises: a hexagonal block (5) and a first electric push rod (6); The first electric push rod (6) is fixedly mounted on the top of the telescopic rod (4), and the hexagonal block (5) is fixedly mounted on the left end of the telescopic rod (4); The reversing mechanism comprises: a second electric push rod (8), a mounting plate (9) and a second bevel gear (10); The second electric push rod (8) is fixedly mounted on the inner wall of the housing (1), the bottom end of the second electric push rod (8) is fixedly connected to the mounting plate (9), and the second bevel gear (10) is rotatably connected to the bottom of the mounting plate (9).

2. The automatic back-blowing device for an air cooler according to claim 1, characterized in that: A hexagonal block (5) is fixedly mounted on the left end of the telescopic rod (4), a hexagonal groove is provided on the right side of the third bevel gear (11), and the outer side of the hexagonal block (5) is detachably engaged with the inner wall of the hexagonal groove.

3. The automatic back-blowing device for an air cooler according to claim 1, characterized in that: A connecting frame (7) is fixedly mounted on the left end of the first electric push rod (6), and the connecting frame (7) is fixedly sleeved on the telescopic rod (4).

4. The automatic back-blowing device for an air cooler according to claim 1, characterized in that: A circular through hole is provided on the rear side of the housing (1), and the outer side of the output shaft of the motor (2) is rotatably connected to the inner wall of the circular through hole.

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