Jet fan assembly with adjustable airflow angle

Abstract

The utility model belongs to the technical field of jet fans, and particularly relates to an airflow angle adjustable jet fan assembly which comprises a jet fan assembly body, an adjusting mechanism used for adjusting the airflow angle is arranged at the air outlet end of the jet fan assembly body, and the adjusting mechanism comprises a connecting cover, a connecting ring seat and an air guide pipe. One end of the connecting cover is installed at the air outlet end, one end of the air guide pipe is communicated with a ball block, a ball groove for containing the ball block is formed between the connecting cover and the connecting ring seat, and the connecting ring seat is arranged on the air guide pipe in a sleeving mode. And the air guide pipe is spherically hinged between the connecting cover and the connecting ring seat through the ball block, so that the air guide pipe can be adjusted at multiple angles in the jet fan assembly, and when the jet fan assembly is used, the angle of air flow sprayed by the jet fan assembly can be conveniently adjusted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of jet fan, concretely relates to a jet fan assembly with adjustable airflow angle. BACKGROUND

[0002] The jet fan comprises a motor, a fan blade, an inlet and an outlet, and a protective cover, etc. When the jet fan is installed, it is fixedly installed at a predetermined position of a tunnel through a mounting frame. At this time, the direction of the inlet and outlet of the device is fixed. When the angle of the airflow of the device needs to be changed, the mounting frame has to be removed, and the direction of the mounting frame has to be re-fixed before the angle of the airflow of the device can be adjusted. The operation is complicated and inefficient. Meanwhile, when the angle of the airflow of the device is adjusted, a special device will occupy a certain width of the road, causing the tunnel to be blocked and affecting the traffic of vehicles. SUMMARY

[0003] The utility model aims at providing a jet fan assembly with adjustable airflow angle to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a jet fan assembly with adjustable airflow angle, comprising: a jet fan assembly, the outlet end of the jet fan assembly is provided with an adjusting mechanism for adjusting the angle of the airflow, the adjusting mechanism comprises a connecting cover, a connecting ring seat and a wind guide pipe, one end of the connecting cover is installed on the outlet end, one end of the wind guide pipe is provided with a ball block in communication, a ball groove accommodating the ball block is formed between the connecting cover and the connecting ring seat, and the connecting ring seat is sleeved on the wind guide pipe, the ball block makes the wind guide pipe adjust at one end of the jet fan body in multiple angles based on a ball hinge.

[0005] Preferably, three electric push rods are annularly arranged on the outer wall of the connecting ring seat, and the other ends of the three electric push rods are rotatably installed on the outer wall of the same side of the wind guide pipe.

[0006] Preferably, the two ends of each electric push rod are rotatably installed with a mounting seat and a rotating seat, the mounting seat is welded on the outer wall of the wind guide pipe, and the outer wall of the connecting ring seat is provided with a rotating seat for the rotation of the rotating seat.

[0007] Preferably, a rotating groove for the rotation of the rotating seat is formed on the rotating seat, and a rotating block rotatable in the rotating groove is arranged on the rotating seat.

[0008] Preferably, the end of the connecting cover is provided with an external thread joint for connection, and the end of the connecting ring seat is provided with an internal thread interface screwed on the external thread joint.

[0009] Preferably, the jet fan assembly comprises a fan housing and a jet fan body installed in the fan housing, and one end of the connecting cover is integrally installed at one end of the fan housing.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] (1) The connecting cover, the connecting ring seat, the ball block and the air guide pipe are additionally arranged, the air guide pipe is hinged between the connecting cover and the connecting ring seat through the ball block, the air guide pipe is adjusted at multiple angles in the jet fan assembly, and thus the angle of the jet fan assembly for spraying air flow is adjusted conveniently when the jet fan assembly is used.

[0012] (2) The three electric push rods are additionally arranged, the three electric push rods are pulled in different directions of the air guide pipe under mutual cooperation, the air guide pipe is automatically driven to be adjusted at multiple angles in the jet fan assembly, and thus the equipment is automatically operated, and the angle of the air guide pipe is not manually adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a first structural schematic view of the utility model;

[0014] Figure 2 It is a second structural schematic view of the utility model;

[0015] Figure 3 It is a sectional view of the utility model;

[0016] Figure 4 It is a partial front view of the electric push rod and the air guide pipe of the utility model;

[0017] In the drawing: 1, fan housing; 2, connecting cover; 3, connecting ring seat; 4, air guide pipe; 5, mounting seat; 6, ball block; 7, electric push rod; 8, rotating seat; 9, rotating seat; 10, jet fan body; 11, internal thread interface; 12, external thread joint; 13, ball groove; 14, rotating groove; 15, rotating block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] REFERENCE Figures 1-3The utility model provides a kind of airflow angle adjustable type jet fan assembly, including: jet fan assembly, the air outlet end of jet fan assembly is equipped with the adjusting mechanism for airflow angle adjustment, adjusting mechanism includes connecting cover 2, connecting ring seat 3 and air duct 4, one end of connecting cover 2 is installed on air outlet end, one end of air duct 4 is communicated and equipped with ball block 6, ball groove 13 for accommodating ball block 6 is formed between connecting cover 2 and connecting ring seat 3, and connecting ring seat 3 is sleeved on air duct 4, ball block 6 is based on ball hinge and makes air duct 4 multi-angle adjustment at one end of jet fan body 10.

[0020] Combine Figure 3 As shown, jet fan assembly includes fan housing 1 and jet fan body 10 installed in fan housing 1, one end of connecting cover 2 is integratedly installed in one end of fan housing 1.

[0021] Above, using the jet fan assembly and adjusting mechanism provided by the utility model, ball block 6 in adjusting mechanism is detachably installed on connecting cover 2 through connecting ring seat 3, jet fan body 10 is started, external airflow flows from one end of fan housing 1 to one end of connecting cover 2, and is discharged outward through ball block 6 and air duct 4, when one end of air duct 4 is pushed, ball block 6 rotates in ball groove 13, thereby guiding the direction of airflow, facilitating angle adjustment of airflow of equipment.

[0022] Further, in order to facilitate replacement of air duct 4, refer to Figure 3 As shown, the end of connecting cover 2 is equipped with external thread joint 12 for connection, and the end of connecting ring seat 3 is equipped with internal thread interface 11 screwed on external thread joint 12. Connecting ring seat 3 is detachably installed on connecting cover 2 through external thread joint 12 and internal thread interface 11, when the above steps are operated in reverse, ball block 6 can be separated from ball groove 13, ball block 6 can be disconnected from connecting cover 2, facilitating maintenance and replacement of air duct 4.

[0023] In the utility model, combining Figures 1-4 As shown, three electric push rods 7 are installed in annular array on the outer wall of connecting ring seat 3 of the embodiment, and the other end of each electric push rod 7 is rotatably installed on the outer wall of air duct 4 on the same side.

[0024] Combine Figure 3 As shown, the two ends of each electric push rod 7 are rotatably installed with mounting seat 5 and rotating seat 8, mounting seat 5 is welded on the outer wall of air duct 4, and rotating seat 9 for rotation of rotating seat 8 is arranged on the outer wall of connecting ring seat 3.

[0025] The three electric push rods 7 are rotatably installed on the air guide pipe 4 and the connecting ring seat 3 through the mounting seat 5, the rotating seat 8 and the rotary seat 9, when the three electric push rods 7 are started in cooperation, the air guide pipe 4 is automatically omnibearing adjusted at the end of the jet fan assembly through the rotation of the electric push rod 7 on the mounting seat 5 and the rotating seat 8 and the rotation of the rotating seat 8 on the rotary seat 9, and since the rotating seat 8 and the rotary seat 9 are rotatably connected, the electric push rod 7 itself can avoid affecting the omnibearing adjustment of the air guide pipe 4.

[0026] Further, in order to rotatably install the rotating seat 8 on the rotary seat 9, as shown in Figure 3 , the rotary seat 9 is provided with a rotating groove 14 for the rotation of the rotating seat 8, and the rotating seat 8 is provided with a rotating block 15 rotatable in the rotating groove 14. The rotating seat 8 is rotatably installed on the rotary seat 9 through the rotating block 15 and the rotating groove 14, so that one end of the electric push rod 7 can rotate on the rotary seat 9.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A jet fan assembly with adjustable airflow angle, characterized in that, include: A jet fan assembly is provided with an adjustment mechanism for adjusting the airflow angle at the air outlet end of the jet fan assembly. The adjustment mechanism includes a connecting cover (2), a connecting ring seat (3), and a guide pipe (4). One end of the connecting cover (2) is installed on the air outlet end, and one end of the guide pipe (4) is connected to a ball block (6). A ball groove (13) for accommodating the ball block (6) is formed between the connecting cover (2) and the connecting ring seat (3). The connecting ring seat (3) is sleeved on the guide pipe (4). The ball block (6) allows the guide pipe (4) to be adjusted at multiple angles at one end of the jet fan body (10) based on a ball joint.

2. The adjustable airflow angle jet fan assembly according to claim 1, characterized in that: Three electric actuators (7) are installed in a ring array on the outer wall of the connecting ring seat (3), and the other ends of the three electric actuators (7) are respectively rotatably installed on the outer wall of the air guide pipe (4) on the same side.

3. The adjustable airflow angle jet fan assembly according to claim 2, characterized in that: Each of the electric actuators (7) is rotatably mounted with a mounting base (5) and a rotating base (8) at both ends. The mounting base (5) is welded to the outer wall of the air duct (4), and the outer wall of the connecting ring seat (3) is provided with a rotating base (9) for rotating the rotating base (8).

4. The adjustable airflow angle jet fan assembly according to claim 3, characterized in that: The rotating seat (9) is provided with a rotating groove (14) for rotating the rotating seat (8), and the rotating seat (8) is provided with a rotating block (15) that can rotate in the rotating groove (14).

5. The adjustable airflow angle jet fan assembly according to claim 1, characterized in that: The end of the connecting cover (2) is provided with an external threaded connector (12) for connection.

6. The adjustable airflow angle jet fan assembly according to claim 5, characterized in that: The end of the connecting ring seat (3) is provided with an internal thread interface (11) that is screwed onto the external threaded connector (12).

7. The adjustable airflow angle jet fan assembly according to claim 1, characterized in that: The jet fan assembly includes a fan housing (1) and a jet fan body (10) installed in the fan housing (1).

8. The adjustable airflow angle jet fan assembly according to claim 7, characterized in that: One end of the connecting cover (2) is integrated and installed at one end of the fan housing (1).

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