Double-air-outlet type air circulation fan

Abstract

The utility model provides a double-air-out type air circulation fan, which relates to the technical field of air circulation fans, and comprises a first shell, a second shell is arranged at the bottom of the first shell, a motor is fixedly connected to one side of the first shell, an impeller is fixedly connected to the output end of the motor, and the impeller is fixedly connected to the other side of the first shell. An air inlet is formed in one side of the second shell, a connecting device is arranged on one side of the second shell, a fixing device is arranged on one side of the first shell, the connecting device comprises a protective net, a circular groove is formed in one side of the air inlet, and the inner wall of the circular groove is slidably connected with the protective net. The protective net is manually slid into a circular groove, then a circular rod is manually controlled to rotate on the inner wall of the second shell, then a semicircular plate is arranged at the top of the protective net, in this way, the protective net can be clamped into the circular groove through the semicircular plate, the protective net is conveniently detached through reverse operation, and then the protective net is conveniently cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of air circulation fans, in particular to a double-outlet air circulation fan. Background Art

[0002] An air circulation fan is a device that drives air circulation through an impeller. When using the air circulation fan, the impeller is driven to rotate by a motor, and then air is discharged through the double air outlets set on both sides of the outer shell, which can drive the air circulation well.

[0003] The inventor has found in his daily work that the air circulation fan still has at least the following problems: when using the air circulation fan, the impeller is driven to rotate by the motor, and then air is discharged through the double air outlets set on both sides of the shell, which can drive the air to circulate well. However, in actual use, in order to prevent debris from entering the interior of the shell from the air inlet, a protective net is generally set at the air inlet by bolts. In this way, when the protective net needs to be cleaned, tools are required to remove the protective net, which makes it more troublesome to clean the protective net. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a double-outlet air circulation fan.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a double-outlet air circulation fan, comprising a first shell, a second shell is arranged at the bottom of the first shell, a motor is fixedly connected to one side of the first shell, an impeller is fixedly connected to the output end of the motor, an air inlet is arranged on one side of the second shell, a connecting device is arranged on one side of the second shell, a fixing device is arranged on one side of the first shell, the connecting device comprises a protective net, a circular groove is provided on one side of the air inlet, the inner wall of the circular groove and the protective net are slidably connected, a round rod is rotatably inserted through one side of the second shell, a semicircular plate is fixedly connected to the end of the round rod away from the second shell, and a positioning groove is provided on one side of the semicircular plate.

[0006] The effect achieved by the above components is: when using the connecting device, the protective net is manually slid into the inside of the circular groove, and then the round rod is manually controlled to rotate on the inner wall of the second shell, and then the semicircular plate is set on the top of the protective net. In this way, the protective net can be clamped inside the circular groove through the semicircular plate. The reverse operation makes it easy to remove the protective net, and then it is easy to clean the protective net.

[0007] Preferably, connection grooves are evenly opened on one side of the protective net, and a connection block is slidably connected to the inner wall of the connection groove, and the connection block is fixedly connected to the bottom of the circular groove.

[0008] The effect achieved by the above components is: the connection block is slid into the inside of the connection groove, so that the protection net can be prevented from rotating inside the circular groove.

[0009] Preferably, a sliding groove is provided on one side of the connecting block, and a locking block is slidably connected to the inner wall of the sliding groove, and the locking block is slidably connected to the inner wall of the locking groove.

[0010] The effect achieved by the above components is: controlling the blocking block to slide on the inner wall of the slide groove, and then sliding the blocking block into the inside of the blocking groove, so that the semicircular plate can be well restricted to one side of the protective net.

[0011] Preferably, a first spring is fixedly connected to one side of the inner wall of the slide slot, and one end of the first spring close to the slide slot is fixedly connected to one side of the locking block.

[0012] The effect achieved by the above components is: the first spring pulls the blocking block toward the direction close to the sliding groove, thereby effectively restricting the blocking block inside the blocking groove.

[0013] Preferably, the fixing device includes a first U-shaped plate and a second U-shaped plate, a fixing groove is opened on one side of the first outer shell and the second outer shell, the inner walls of the fixing groove are slidably connected to the first U-shaped plate and the second U-shaped plate, the first U-shaped plate is arranged on the top of the second U-shaped plate, and a connecting frame is inserted through the top of the first U-shaped plate, and the bottom of the connecting frame is fixedly connected to the top of the second U-shaped plate.

[0014] The effect achieved by the above components is: when using the fixing device, the first shell is set on the top of the second shell, and then the first U-shaped plate and the second U-shaped plate are respectively sleeved inside the fixing grooves opened on one side of the first shell and the second shell, and then the first U-shaped plate is manually controlled to slide on the surface of the connecting frame, and then the first U-shaped plate is slid into the fixing groove opened on the top of the first shell, so that the first shell and the second shell can be connected together.

[0015] Preferably, a bolt is inserted through the top thread of the connection frame, and the bolt is rotatably inserted on one side of the first shell.

[0016] The effect achieved by the above components is: manually controlling the rotation of the bolts, thereby restricting the first U-shaped plate to the surface of the connection frame.

[0017] Preferably, a limiting groove is provided on one side of the second shell, and a fixing block is slidably connected to the inner wall of the limiting groove; a rectangular groove is provided on one side of the first shell, and the inner wall of the rectangular groove is slidably connected to the fixing block.

[0018] The effect achieved by the above components is: manually controlling the fixing block to slide inside the limit groove, and then sliding the fixing block into the inside of the rectangular groove, so that the first shell and the second shell can be well fixed together, and the reverse operation can well separate the first shell and the second shell, which facilitates the maintenance and repair of the internal structure of the air circulation fan.

[0019] Preferably, a second spring is fixedly connected to one side of the inner wall of the limiting groove, and one end of the second spring close to the limiting groove is fixedly connected to one side of the fixing block.

[0020] The effect achieved by the above components is: the fixing block is pulled toward the direction close to the limiting groove by the second spring, thereby effectively limiting the fixing block inside the rectangular groove.

[0021] In the utility model, a connecting device is provided. When the connecting device is used, the protective net is manually slid into the inside of the circular groove, and then the round rod is manually controlled to rotate on the inner wall of the second shell, and then the semicircular plate is set on the top of the protective net. In this way, the protective net can be clamped in the inside of the circular groove through the semicircular plate. The reverse operation makes it easy to disassemble the protective net, and then it is easy to clean the protective net. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional structural schematic diagram of a double-outlet air circulation fan is provided for the utility model;

[0023] Figure 2 A three-dimensional structural schematic diagram of a novel semicircular plate is provided for the utility model;

[0024] Figure 3 The utility model provides a three-dimensional structural schematic diagram of a novel round rod;

[0025] Figure 4 The utility model provides a three-dimensional structural schematic diagram of a novel fixing block.

[0026] Legend: 1. First shell; 2. Second shell; 3. Motor; 4. Impeller; 5. Air inlet; 6. Connecting device; 601. Circular groove; 602. Protective net; 603. Round rod; 604. Semicircular plate; 605. Connecting block; 606. Connecting groove; 607. Slide groove; 608. Positioning block; 609. First spring; 610. Positioning groove; 7. Fixing device; 701. Fixing groove; 702. First U-shaped plate; 703. Second U-shaped plate; 704. Connecting frame; 705. Bolt; 706. Limiting groove; 707. Fixing block; 708. Second spring; 709. Rectangular groove. DETAILED DESCRIPTION

[0027] Embodiment 1, as Figure 1-4As shown, a double-outlet air circulation fan is provided with a second shell 2 at the bottom of a first shell 1, a motor 3 is fixedly connected to one side of the first shell 1, an impeller 4 is fixedly connected to the output end of the motor 3, an air inlet 5 is provided on one side of the second shell 2, a connecting device 6 is provided on one side of the second shell 2, and a fixing device 7 is provided on one side of the first shell 1. When the air circulation fan is used, the impeller 4 is driven to rotate by the motor 3, and then air is discharged through the double air outlets provided on both sides of the shell, which can drive the air to circulate well.

[0028] Reference Figure 2 and Figure 3 , the connecting device 6 includes a protective net 602, a circular groove 601 is provided on one side of the air inlet 5, the inner wall of the circular groove 601 is slidably connected to the protective net 602, a round rod 603 is rotatably inserted into one side of the second shell 2, and a semicircular plate 604 is fixedly connected to the end of the round rod 603 away from the second shell 2, and a clamping groove 610 is provided on one side of the semicircular plate 604. When using the connecting device 6, the protective net 602 is manually slid into the inside of the circular groove 601, and then the circular rod 603 is manually controlled to rotate on the inner wall of the second shell 2, and then the semicircular plate 604 is set on the top of the protective net 602, so that the protective net 602 can be clamped in the inside of the circular groove 601 through the semicircular plate 604, and the reverse operation is convenient for removing the protective net 602, and then it is convenient to clean the protective net 602. One side of the protective net 602 is evenly provided with connecting grooves 606, and the inner wall of the connecting groove 606 is slidably connected with a connecting block 605. The connecting block 605 is fixedly connected to the bottom of the circular groove 601, and the connecting block 605 is slid into the inside of the connecting groove 606, which can prevent the protective net 602 from rotating inside the circular groove 601. A sliding groove 607 is provided on one side of the connecting block 605, and a blocking block 608 is slidably connected to the inner wall of the sliding groove 607. The blocking block 608 is slidably connected to the inner wall of the blocking groove 610, and the blocking block 608 is controlled to slide on the inner wall of the sliding groove 607, and then the blocking block 608 is slid into the inside of the blocking groove 610, which can well limit the semicircular plate 604 to one side of the protective net 602. A first spring 609 is fixedly connected to one side of the inner wall of the sliding groove 607, and one end of the first spring 609 close to the sliding groove 607 is fixedly connected to one side of the blocking block 608, and the blocking block 608 is pulled in the direction close to the sliding groove 607 by the first spring 609, thereby well limiting the blocking block 608 to the inside of the blocking groove 610.

[0029] Reference Figure 4The fixing device 7 includes a first U-shaped plate 702 and a second U-shaped plate 703. A fixing groove 701 is provided on one side of the first shell 1 and the second shell 2. The inner wall of the fixing groove 701 is slidably connected with the first U-shaped plate 702 and the second U-shaped plate 703. The first U-shaped plate 702 is arranged on the top of the second U-shaped plate 703. A connecting frame 704 is inserted and slidably penetrated through the top of the first U-shaped plate 702. The bottom of the connecting frame 704 is fixedly connected with the top of the second U-shaped plate 703. When the fixing device 7 is used, the first shell 1 is fixedly connected to the second shell 2. The first U-shaped plate 702 and the second U-shaped plate 703 are respectively placed inside the fixing groove 701 opened on one side of the first shell 1 and the second shell 2, and then the first U-shaped plate 702 is manually controlled to slide on the surface of the connecting frame 704, and then the first U-shaped plate 702 is slid into the fixing groove 701 opened on the top of the first shell 1, so that the first shell 1 and the second shell 2 can be connected together, and the top thread of the connecting frame 704 is penetrated with a bolt 705, and the bolt 705 is rotated to insert the bolt 705. On one side of the first housing 1, the bolt 705 is manually controlled to rotate, thereby limiting the first U-shaped plate 702 on the surface of the connecting frame 704, a limiting groove 706 is provided on one side of the second housing 2, and a fixing block 707 is slidably connected to the inner wall of the limiting groove 706, and a rectangular groove 709 is provided on one side of the first housing 1, and the inner wall of the rectangular groove 709 is slidably connected to the fixing block 707, and the fixing block 707 is manually controlled to slide inside the limiting groove 706, and then the fixing block 707 is slid into the inside of the rectangular groove 709, so that the fixing block 707 can be well fixed. The first shell 1 and the second shell 2 are fixed together, and the reverse operation can well separate the first shell 1 and the second shell 2, which is convenient for maintenance and repair of the internal structure of the air circulation fan. A second spring 708 is fixedly connected to one side of the inner wall of the limiting groove 706, and one end of the second spring 708 close to the limiting groove 706 is fixedly connected to one side of the fixed block 707. The fixed block 707 is pulled toward the direction close to the limiting groove 706 by the second spring 708, thereby well limiting the fixed block 707 inside the rectangular groove 709.

[0030] Working principle: when the air circulation fan is used, the impeller 4 is driven to rotate by the motor 3, and then the air is discharged through the double air outlets arranged on both sides of the shell, which can well drive the air to circulate (double-outlet air circulation fans have been circulating on the market for a long time, so I will not go into details here). When using the connecting device 6, the protective net 602 is manually slid into the inside of the circular groove 601, and then the connecting block 605 is slid into the inside of the connecting groove 606, which can prevent the protective net 602 from rotating inside the circular groove 601, and then the round rod 603 is manually controlled to move in the second shell 2. The inner wall rotates, and the semicircular plate 604 is set on the top of the protective net 602, and then the blocking block 608 is controlled to slide on the inner wall of the slide groove 607, and then the blocking block 608 is slid into the inside of the blocking groove 610, and the blocking block 608 is pulled toward the direction close to the slide groove 607 by the first spring 609, so that the blocking block 608 is well restricted in the inside of the blocking groove 610, so that the semicircular plate 604 can be well restricted to one side of the protective net 602, so that the protective net 602 can be clamped in the inside of the circular groove 601 through the semicircular plate 604, and the reverse operation is convenient for The protective net 602 is disassembled to facilitate cleaning of the protective net 602. When using the fixing device 7, the first housing 1 is set on the top of the second housing 2, and then the first U-shaped plate 702 and the second U-shaped plate 703 are respectively sleeved inside the fixing groove 701 opened on one side of the first housing 1 and the second housing 2, and then the first U-shaped plate 702 is manually controlled to slide on the surface of the connecting frame 704, and then the bolt 705 is manually controlled to rotate, thereby limiting the first U-shaped plate 702 on the surface of the connecting frame 704, and then sliding the first U-shaped plate 702 to the first housing 1 The inside of the fixing groove 701 opened at the top, and then manually controlling the fixing block 707 to slide inside the limiting groove 706, and then sliding the fixing block 707 to the inside of the rectangular groove 709, and pulling the fixing block 707 in the direction close to the limiting groove 706 through the second spring 708, and then well restricting the fixing block 707 inside the rectangular groove 709, so that the first shell 1 and the second shell 2 can be well fixed together, and the reverse operation can well separate the first shell 1 and the second shell 2, so that it is convenient to maintain and repair the internal structure of the air circulation fan.

Claims

1. A dual-outlet air circulation fan, comprising a first housing (1), characterized in that: A second housing (2) is provided at the bottom of the first housing (1); a motor (3) is fixedly connected to one side of the first housing (1); an impeller (4) is fixedly connected to the output end of the motor (3); an air inlet (5) is provided to one side of the second housing (2); a connecting device (6) is provided to one side of the second housing (2); a fixing device (7) is provided to one side of the first housing (1); the connecting device (6) comprises a protective net (602); a circular groove (601) is provided on one side of the air inlet (5); an inner wall of the circular groove (601) is slidably connected to the protective net (602); a round rod (603) is rotatably inserted through one side of the second housing (2); an end of the round rod (603) away from the second housing (2) is fixedly connected to a semicircular plate (604); a locking groove (610) is provided on one side of the semicircular plate (604).

2. A dual-outlet air circulation fan according to claim 1, characterized in that: One side of the protection net (602) is evenly provided with connection grooves (606), the inner wall of the connection groove (606) is slidably connected with a connection block (605), and the connection block (605) is fixedly connected to the bottom of the circular groove (601).

3. A dual-outlet air circulation fan according to claim 2, characterized in that: A sliding groove (607) is provided on one side of the connecting block (605), a locking block (608) is slidably connected to the inner wall of the sliding groove (607), and the locking block (608) is slidably connected to the inner wall of the locking groove (610).

4. A dual-outlet air circulation fan according to claim 3, characterized in that: A first spring (609) is fixedly connected to one side of the inner wall of the slide groove (607), and one end of the first spring (609) close to the slide groove (607) is fixedly connected to one side of the locking block (608).

5. The double-outlet air circulation fan according to claim 1, characterized in that: The fixing device (7) comprises a first U-shaped plate (702) and a second U-shaped plate (703); a fixing groove (701) is provided on one side of the first shell (1) and the second shell (2); the inner wall of the fixing groove (701) is slidably connected to the first U-shaped plate (702) and the second U-shaped plate (703); the first U-shaped plate (702) is arranged on the top of the second U-shaped plate (703); a connecting frame (704) is inserted and slidably penetrated through the top of the first U-shaped plate (702); and the bottom of the connecting frame (704) is fixedly connected to the top of the second U-shaped plate (703).

6. A dual-outlet air circulation fan according to claim 5, characterized in that: A bolt (705) is inserted through the threaded top of the connection frame (704), and the bolt (705) is rotatably inserted into one side of the first housing (1).

7. The double-outlet air circulation fan according to claim 1, characterized in that: A limiting groove (706) is provided on one side of the second housing (2), and a fixing block (707) is slidably connected to the inner wall of the limiting groove (706). A rectangular groove (709) is provided on one side of the first housing (1), and the inner wall of the rectangular groove (709) is slidably connected to the fixing block (707).

8. A dual-outlet air circulation fan according to claim 7, characterized in that: A second spring (708) is fixedly connected to one side of the inner wall of the limiting groove (706), and one end of the second spring (708) close to the limiting groove (706) is fixedly connected to one side of the fixing block (707).

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