Oscillating spray fan
By introducing a bracket and a rotating mechanism into the spray fan, the problem of small spray range is solved, a large-scale spray and good spray effect is achieved, and the pipe twist is prevented through universal joints, simplifying the installation process.
Patent Information
- Application Number
- CN202422536676.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-18
AI Technical Summary
The fans of existing spray fans are usually fixed, with a small spray range and poor spray effect.
A shaking head spray fan is designed. By setting a bracket on the fan barrel, and using a motor, swing rod, connecting rod and rotating shaft to drive the fan to rotate, the spray range is large and the spray effect is good. At the same time, a universal movable joint is used to connect the horizontal pipe to prevent twisting and deformation.
The fan is rotated, the spray range is expanded, the spray effect is improved, and the horizontal pipe is prevented from twisting and breaking. It has a simple structure and is easy to install.
Smart Images

Figure CN223204479U_ABST
Abstract
Description
Technical field:
[0001] The utility model belongs to the technical field of fans, in particular to a shaking head spray fan. Background technology:
[0002] A spray blower, consisting of a fan and a spraying device, uses a "waterfall" effect to directly atomize water. The water is then blown into the air by the fan, rapidly increasing the relative humidity of the air. It can also purify large areas by adding disinfectants and deodorants. Spray blowers are widely used in the chemical industry, mining, metallurgy, forging, pharmaceuticals, healthcare, food, and farming. Existing spray blowers typically have a fixed fan, resulting in a small spray range and poor spraying effect. Summary of the invention:
[0003] The utility model aims to provide a shaking head spray fan, which has the advantages of rotating, large spray range and good spray effect.
[0004] The utility model is achieved in this way:
[0005] The fan is then moved along a cantilever cam, and the fan is moved along a vertical cam at the bottom end of the fan, so that the fan can move about freely in the fan, thereby making the fan more breathable.
[0006] In the above-mentioned shaking head spray blower, the horizontal tube one and the horizontal tube two are both arranged longitudinally, the front end of the horizontal tube one is connected to the lower end of the vertical tube one, and the rear end is connected to the upper end of the universal movable joint, and the front end of the horizontal tube two is connected to the universal movable joint, and the rear end is connected to the upper end of the vertical tube two.
[0007] In the above-mentioned oscillating spray blower, the second horizontal pipe is a rubber high-pressure pipe.
[0008] In the above-mentioned oscillating spray blower, there are multiple nozzles evenly distributed around the circumference.
[0009] In the above-mentioned oscillating spray blower, the connecting rod is composed of two fisheye rod end joint bearings, one of which has an internal thread on its rod end and the other has an external thread on its rod end, and the rod ends of the two fisheye rod end joint bearings are threadedly connected.
[0010] In the above-mentioned oscillating spray blower, a welding shaft is provided on the swing arm, the upper end of the welding shaft is welded to the swing arm, and the corresponding fisheye rod end joint bearing is mounted on the lower end of the welding shaft. The welding shaft is provided with a limiting cam for upper positioning of the fisheye rod end joint bearing, and a limiting plate is provided below the welding shaft for lower positioning of the fisheye rod end joint bearing, and a screw passes through the limiting plate and is screwed to the welding shaft.
[0011] In the above-mentioned shaking head spray blower, a connecting sleeve is provided on the second rocker arm, a limiting ridge is provided on the upper end of the connecting sleeve, a pad is provided on the connecting sleeve, the second rocker arm is limited between the limiting ridge and the pad, the corresponding fisheye rod end joint bearing is installed on the connecting sleeve and is located below the pad, and a limiting plate is provided below the connecting sleeve to limit the fisheye rod end joint bearing to the lower position, and a screw passes through the limiting plate and is screwed to the connecting sleeve.
[0012] In the above-mentioned oscillating spray blower, a rotating sleeve is fixed on the bracket, the upper end of the rotating shaft is arranged in the rotating sleeve and fixedly connected to the rotating sleeve, a bearing seat is provided in the mounting seat, the rotating sleeve is arranged in the bearing seat, and a bearing mounted on the rotating sleeve is provided between the bearing seat, and the lower end of the rotating shaft is fixedly connected to the rocker arm.
[0013] In the above-mentioned shaking head spray blower, the rotating shaft sleeve is welded on the bracket, and the upper end of the rotating shaft is provided with a limiting cam three, the upper end of the rotating shaft extends out of the rotating shaft sleeve and is screwed to the nut, the rotating shaft sleeve is axially limited between the limiting cam three and the nut, and the rotating shaft is circumferentially connected to the rotating shaft sleeve through a flat key, and the lower end of the rotating shaft is provided with a limiting cam four located on the rocker arm one and is limited by the rocker arm one, the locking screw passes through the rocker arm one and is screwed to the rotating shaft, and the upper end of the bearing seat is provided with a limiting cam five located above the mounting seat and is limited by the mounting seat.
[0014] In the above-mentioned oscillating spray blower, the second rocker arm is provided with a mounting hole for inserting the rotating shaft and a gap connected to the mounting hole. The second rocker arm is provided with a locking screw passing through the gap. The second rocker arm locks the rotating shaft by reducing the gap through the locking screw.
[0015] In the above-mentioned oscillating spray blower, the bracket is a hollow U-shaped square tube with the opening facing upward, the two ends of the U-shaped square tube are respectively connected to the blower barrel, and the upper end of the rotating shaft is fixedly connected to the bottom of the U-shaped square tube.
[0016] In the above-mentioned shaking head spray blower, U-shaped plates are respectively provided on both sides and the bottom of the blower barrel, the two ends of the U-shaped plates are respectively welded to the blower barrel, the two ends of the U-shaped square tube are respectively installed on the corresponding U-shaped plates, and the universal movable joint is installed on the U-shaped plate at the bottom of the blower barrel.
[0017] In the above-mentioned oscillating spray blower, the mounting base includes a hollow main shell, the vertical tube 2 is installed on the main shell, the motor is installed in the main shell, the lower end of the rotating shaft extends out of the main shell to connect to the rocker arm 2, the lower end of the rotating shaft extends out of the main shell to connect to the rocker arm 1, and a lower shell cover is provided under the main shell, which is arranged outside the rocker arm 1 and the rocker arm 2.
[0018] In the above-mentioned oscillating spray blower, a through hole for inserting and removing the power supply unit is provided on the bottom plate of the main shell.
[0019] In the above-mentioned oscillating spray blower, a mounting plate is fixed to the rear end of the main housing by welding.
[0020] In the above-mentioned oscillating spray blower, a fixing frame located above the motor is provided in the main shell, and the fixing frame includes a U-shaped main body with an upward opening and mounting ears at both ends. The motor is installed at the bottom of the main body, and the mounting ears are installed on the main shell. Reinforcement plates are welded on the left and right sides of the main body.
[0021] In the above-mentioned oscillating spray blower, the fixing screw passes through the main housing and is screwed to the motor, and the bolt passes through the main housing and the mounting ear in sequence and is screwed to the fixing nut.
[0022] The outstanding advantages of the utility model compared with the prior art are:
[0023] The utility model provides a bracket on the fan cylinder, and drives the bracket to rotate through the motor, the second rocker arm, the connecting rod, the first rocker arm and the rotating shaft, that is, during the operation, the fan can rotate, the spray range is large, the spray effect is good, and the driving structure is simple and easy to install; the vertical pipe second of the utility model is provided on the mounting seat, which effectively fixes and accommodates the vertical pipe one, and is convenient for connection with the hose, and at the same time, the horizontal pipe one and the horizontal pipe two are connected by a universal movable joint, which effectively prevents the horizontal pipe one and the horizontal pipe two from being severely torsionally deformed during the rotation of the fan, thereby preventing water leakage at the connection and twisting and breaking of the horizontal pipe one and the horizontal pipe two. Description of the drawings:
[0024] Figure 1 It is a three-dimensional diagram of the utility model;
[0025] Figure 2 It is a cross-sectional view of the utility model without a fan;
[0026] Figure 3This is a cross-sectional view of the utility model without a fan in another direction;
[0027] Figure 4 It is a cross-sectional view of the installation structure of the motor and the second rocker arm of the present invention;
[0028] Figure 5 It is a stereoscopic diagram of the rotating shaft, connecting rod, motor and fixing frame of the utility model.
[0029] Reference numerals: 1, fan cylinder; 2, fan; 3, fan cover; 4, bracket; 5, mounting base; 5a, main housing; 5b, lower housing cover; 5c, mounting plate; 6, rotating shaft; 7, swing arm 1; 8, motor; 9, rotating shaft; 10, swing arm 2; 11, connecting rod; 12, annular pipe; 13, nozzle; 14, elbow; 14a, vertical pipe 1; 14b, horizontal pipe 1; 15, vertical pipe 2; 16, horizontal pipe 2; 17, universal joint; 18, Welding shaft; 19. Limiting cam 1; 20. Limiting plate 1; 21. Screw 1; 22. Connecting sleeve; 23. Limiting cam 2; 24. Spacer; 25. Limiting plate 2; 26. Screw 2; 27. Rotating sleeve; 28. Bearing seat; 29. Bearing; 30. U-shaped plate; 31. Fixing bracket; 31a. Main body; 31b. Mounting ear; 31c. Reinforcement plate; 32. Limiting cam 3; 33. Nut; 34. Limiting cam 4; 35. Limiting cam 5. Specific implementation method:
[0030] The present invention is further described below with reference to specific embodiments. Figure 1 —5:
[0031] A shaking spray blower, comprising a blower and a spray device, the blower comprising a blower barrel 1, a fan 2 arranged in the blower barrel 1, and a wind shield 3 arranged at both ends of the blower barrel 1, the blower barrel 1 is arranged on a bracket 4, a mounting seat 5 is provided below the bracket 4, a rotating shaft 6 rotatably connected to the mounting seat 5 is provided on the bracket 4, a swing rod 1 7 is connected to the rotating shaft 6, a motor 8 is provided on the mounting seat 5, a swing rod 2 10 is provided on the rotating shaft 9 of the motor 8, the swing rod 1 7 and the swing rod 2 10 are connected by a connecting rod 11, and the wind shield 3 located in front of the fan 2 is provided. An annular tube 12 is provided on the cover 3, and a nozzle 13 is provided on the annular tube 12. A curved tube 14 is connected to the annular tube 12, and the curved tube 14 includes a vertical tube 14a and a horizontal tube 14b. The upper end of the vertical tube 14a is connected to the annular tube 12, and the lower end is connected to the horizontal tube 14b. A vertical tube 2 15 is provided on the mounting seat 5. The upper end of the vertical tube 2 15 extends out of the mounting seat 5 and is connected to the horizontal tube 2 16. The lower end of the vertical tube 2 15 is connected to the water pump through a hose, and the horizontal tube 14b and the horizontal tube 2 16 are connected by a universal movable joint 17.
[0032] The working principle of this utility model is as follows: Figure 1-5 As shown, the rotating shaft 9 of the motor 8 rotates, driving the second rocker arm 10 to rotate about the axis of the rotating shaft 9, which in turn drives the connecting rod 11 to move. The movement of the connecting rod 11 drives the first rocker arm 7 to rotate about the axis of the rotating shaft 6, which in turn drives the rotating shaft 6 to rotate, thereby causing the bracket 4 to rotate about the axis of the rotating shaft 6, that is, driving the fan to rotate about the axis of the rotating shaft 6. During the rotation process of the bracket 4, because the horizontal pipe 14b and the horizontal pipe 2 16 are connected by the universal joint 17, the horizontal pipe 14b can rotate relative to the horizontal pipe 2 16. Water flows through the water pump outlet, the hose, the vertical pipe 2 15, the horizontal pipe 2 16, the universal joint 17, the horizontal pipe 14b, and the vertical pipe 14a into the annular pipe 12, and is finally sprayed out through the nozzle 13.
[0033] In this embodiment, the mounting base 5, the rocker arm 1 7, the rocker arm 2 10 and the connecting rod 11 form a crank-connecting rod mechanism. The rotating shaft 9 of the motor 8 drives the rocker arm 2 10 to perform circular motion, and drives the rocker arm 1 7 to perform reciprocating swing through the connecting rod 11, that is, drives the rotating shaft 6 to perform reciprocating motion.
[0034] The utility model provides a bracket 4 on the fan cylinder 1, and drives the bracket 4 to rotate through the motor 8, the rocker arm 2 10, the connecting rod 11, the rocker arm 1 7 and the rotating shaft 6, that is, during the operation, the fan can rotate, the spray range is large, the spray effect is good, and the driving structure is simple and easy to install; the vertical pipe 2 15 of the utility model is provided on the mounting seat 5, which effectively fixes and accommodates the vertical pipe 1 15 and is convenient for connection with the hose. At the same time, the horizontal pipe 1 14b and the horizontal pipe 2 16 are connected by a universal movable joint 17, which effectively prevents the horizontal pipe 1 14b and the horizontal pipe 2 16 from suffering severe torsional deformation during the rotation of the fan, thereby preventing water leakage at the connection and twisting and fracture of the horizontal pipe 1 14b and the horizontal pipe 2 16.
[0035] Furthermore, the horizontal tube 1 14b and the horizontal tube 2 16 are both arranged longitudinally, the front end of the horizontal tube 14b is connected to the lower end of the vertical tube 14a, and the rear end is connected to the upper end of the universal movable joint 17, and the front end of the horizontal tube 2 16 is connected to the universal movable joint 17, and the rear end is connected to the upper end of the vertical tube 2 15.
[0036] In order to provide a certain error space for the installation of horizontal pipe 14b and horizontal pipe 2 16 and facilitate installation, horizontal pipe 2 16 is a rubber high-pressure pipe with a certain elastic deflection and torsion space, and the installation accuracy requirements for horizontal pipe 14b and horizontal pipe 2 16 are low.
[0037] Preferably, there are multiple nozzles 13 evenly distributed around the circumference. In this embodiment, there are eight nozzles 13 evenly distributed around the circumference. The nozzles 13 are three-section atomizing nozzles with a flow rate of 0.02-0.05 L / min.
[0038] The structure of the connecting rod 11: Figure 3-5 As shown, the connecting rod 11 is composed of two fisheye rod end joint bearings, wherein the rod end of one fisheye rod end joint bearing is provided with an internal thread, and the rod end of the other fisheye rod end joint bearing is provided with an external thread, and the rod ends of the two fisheye rod end joint bearings are threadedly connected.
[0039] The installation structure of the rocker arm 7 and the connecting rod 11 is as follows: Figure 3 、 5 As shown, the swing arm 7 is provided with a welded shaft 18, the upper end of which is welded to the swing arm 7. A corresponding fisheye rod end joint bearing is mounted on the lower end of the welded shaft 18. The welded shaft 18 is provided with a limit flange 19 for limiting the upper position of the fisheye rod end joint bearing. A limit plate 20 is provided below the welded shaft 18 for limiting the lower position of the fisheye rod end joint bearing. A screw 21 passes through the limit plate 20 and is screwed to the welded shaft 18. The structure is simple and easy to install.
[0040] The installation structure of the rocker arm 10 and the connecting rod 11 is as follows: Figure 4 、 5 As shown, the second rocker arm 10 is provided with a connecting sleeve 22, the upper end of which is provided with a second limiting protrusion 23. A cushion block 24 is mounted on the connecting sleeve 22. The second rocker arm 10 is limited between the second limiting protrusion 23 and the cushion block 24. The corresponding fisheye rod end joint bearing is mounted on the connecting sleeve 22 and located below the cushion block 24. A second limiting plate 25 is provided below the connecting sleeve 22 to limit the lower position of the fisheye rod end joint bearing. A second screw 26 passes through the second limiting plate 25 and is screwed to the connecting sleeve 22. The simple structure makes installation easy.
[0041] The installation structure of the rotating shaft 6: Figure 2 、 3 As shown, a rotating sleeve 27 is fixed to the bracket 4. The upper end of the rotating shaft 6 is disposed in and fixedly connected to the rotating sleeve 27. A bearing seat 28 is disposed in the mounting seat 5. The rotating sleeve 27 is disposed in the bearing seat 28. A bearing 29, which is sleeved on the rotating sleeve 27, is disposed between the mounting seat 5 and the bearing seat 28. The lower end of the rotating shaft 6 is fixedly connected to the rocker arm 7. The structure is simple and easy to install.
[0042] Furthermore, the rotating sleeve 27 is welded to the bracket 4, and the upper end of the rotating shaft 6 is provided with a limiting cam 3 32, and the upper end of the rotating shaft 6 extends out of the rotating sleeve 27 and is screwed to the nut 33, and the rotating sleeve 27 is axially limited between the limiting cam 3 32 and the nut 33, and the rotating shaft 6 is circumferentially connected to the rotating sleeve 27 through a flat key, and the lower end of the rotating shaft 6 is provided with a limiting cam 4 34 located on the rocker arm 7 and restrained by the rocker arm 7, and the locking screw passes through the rocker arm 7 and is screwed to the rotating shaft 6, and the upper end of the bearing seat 28 is provided with a limiting cam 5 35 located above the mounting seat 5 and restrained by the mounting seat 5.
[0043] The installation structure of the rocker arm 10 and the rotating shaft 9: the rocker arm 10 is provided with a mounting hole for inserting the rotating shaft 9 and a gap connected to the mounting hole. The rocker arm 10 is provided with a locking screw passing through the gap. The rocker arm 10 tightens the rotating shaft 9 by reducing the gap through the locking screw.
[0044] The structure of the bracket 4: Figure 1 As shown, the bracket 4 is a hollow U-shaped square tube with the opening facing upward. Both ends of the U-shaped square tube are respectively connected to the fan cylinder 1, and the upper end of the rotating shaft 6 is fixedly connected to the bottom of the U-shaped square tube.
[0045] The specific installation structure of the fan cylinder 1: U-shaped plates 30 are respectively provided on both sides and the bottom of the fan cylinder 1, and the two ends of the U-shaped plate 30 are respectively welded to the fan cylinder 1. The two ends of the U-shaped square tube are respectively installed on the corresponding U-shaped plates 30, and the universal movable joint 17 is installed on the U-shaped plate 30 located at the bottom of the fan cylinder 1.
[0046] The structure of the mounting seat 5 is as follows: Figure 1-3 As shown, the mounting base 5 comprises a hollow main housing 5a, the second vertical tube 15 being mounted on the main housing 5a, and the motor 8 being mounted within the main housing 5a. The lower end of the rotating shaft 9 extends out of the main housing 5a to connect to the second rocker arm 10, while the lower end of the rotating shaft 6 extends out of the main housing 5a to connect to the first rocker arm 7. A lower housing 5b is provided below the main housing 5a, covering the first rocker arm 7 and the second rocker arm 10. This simple structure facilitates installation and effectively protects the motor 8 and related components.
[0047] In order to facilitate the disassembly and maintenance of the motor 8, a through hole for inserting and removing the power supply unit 8 is provided on the bottom plate of the main housing 5a.
[0048] In order to facilitate the installation of the mounting base 5, a mounting plate 5c is fixed to the rear end of the main housing 5a by welding. During installation, the mounting plate 5c is fixed to the corresponding position by screws to fix the mounting base 5.
[0049] The installation structure of motor 8: Figure 2 、 4 As shown in Figures 5 and 6, a mounting bracket 31 is installed within the main housing 5a, positioned above the motor 8. The mounting bracket 31 comprises a U-shaped main body 31a, which opens upward and has mounting ears 31b at each end. The motor 8 is mounted on the bottom of the main body 31a, which is mounted on the main housing 5a. Reinforcement plates 31c are welded to the left and right sides of the main body 31a. This simple structure facilitates installation and is secure and reliable.
[0050] Furthermore, the fixing screw passes through the main housing 5a and is screwed to the motor 8, and the bolt passes through the main housing 5a and the mounting ear 31b in sequence and is screwed to the fixing nut.
[0051] The above embodiment is only one of the preferred embodiments of the present invention and is not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes made based on the shape, structure, and principle of the present invention should be included in the scope of protection of the present invention.
Claims
1. An oscillating spray blower, comprising a blower and a spray device, wherein the blower comprises a blower cylinder (1), a fan (2) arranged in the blower cylinder (1), and a wind shield (3) arranged at both ends of the blower cylinder (1), characterized in that: The fan cylinder (1) is arranged on a bracket (4), a mounting seat (5) is provided below the bracket (4), a rotating shaft (6) rotatably connected to the mounting seat (5) is provided on the bracket (4), a swing rod (1) (7) is connected to the rotating shaft (6), a motor (8) is provided on the mounting seat (5), a swing rod (2) (10) is provided on the rotating shaft (9) of the motor (8), the swing rod (1) (7) and the swing rod (2) (10) are connected by a connecting rod (11), an annular tube (12) is provided on the wind shield (3) at the front side of the fan (2), and a nozzle (13) is provided on the annular tube (12). ), the annular tube (12) is connected to a curved tube (14), the curved tube (14) comprises a vertical tube (14a) and a horizontal tube (14b), the upper end of the vertical tube (14a) is connected to the annular tube (12), and the lower end is connected to the horizontal tube (14b), the mounting seat (5) is provided with a vertical tube (15), the upper end of the vertical tube (15) extends out of the mounting seat (5) and is connected to the horizontal tube (16), the lower end of the vertical tube (15) is connected to the water pump through a hose, and the horizontal tube (14b) and the horizontal tube (16) are connected through a universal movable joint (17).
2. The oscillating spray blower according to claim 1, characterized in that: The connecting rod (11) is composed of two fisheye rod end joint bearings, wherein the rod end of one fisheye rod end joint bearing is provided with an internal thread, and the rod end of the other fisheye rod end joint bearing is provided with an external thread, and the rod ends of the two fisheye rod end joint bearings are threadedly connected.
3. The oscillating spray blower according to claim 2, characterized in that: The pendulum rod (7) is provided with a welding shaft (18), the upper end of the welding shaft (18) is welded to the pendulum rod (7), and the corresponding fisheye rod end joint bearing is sleeved on the lower end of the welding shaft (18). The welding shaft (18) is provided with a limiting convex edge (19) for upper limiting the fisheye rod end joint bearing, and a limiting plate (20) for lower limiting the fisheye rod end joint bearing is provided below the welding shaft (18). A screw (21) passes through the limiting plate (20) and is screwed to the welding shaft (18).
4. The oscillating spray blower according to claim 2, characterized in that: The second swing arm (10) is provided with a connecting sleeve (22), the upper end of the connecting sleeve (22) is provided with a second limiting convex edge (23), and the connecting sleeve (22) is provided with a cushion block (24). The second swing arm (10) is limited between the second limiting convex edge (23) and the cushion block (24). The corresponding fisheye rod end joint bearing is sleeved on the connecting sleeve (22) and is located below the cushion block (24). A second limiting plate (25) for lower limiting the fisheye rod end joint bearing is provided below the connecting sleeve (22), and a second screw (26) passes through the second limiting plate (25) and is screwed to the connecting sleeve (22).
5. The oscillating spray blower according to claim 1, characterized in that: A rotating sleeve (27) is fixed on the bracket (4), the upper end of the rotating shaft (6) is arranged in the rotating sleeve (27) and is fixedly connected to the rotating sleeve (27), a bearing seat (28) is provided in the mounting seat (5), the rotating sleeve (27) is arranged in the bearing seat (28), and a bearing (29) sleeved on the rotating sleeve (27) is provided between the rotating sleeve (27) and the bearing seat (28), and the lower end of the rotating shaft (6) is fixedly connected to the rocker arm (7).
6. The oscillating spray blower according to claim 1, characterized in that: The bracket (4) is a hollow U-shaped square tube with an opening facing upwards. Both ends of the U-shaped square tube are respectively connected to the fan cylinder (1). The upper end of the rotating shaft (6) is fixedly connected to the bottom of the U-shaped square tube.
7. The oscillating spray blower according to claim 6, characterized in that: The fan cylinder (1) is provided with U-shaped plates (30) on both sides and at the bottom, respectively. The two ends of the U-shaped plates (30) are respectively welded to the fan cylinder (1). The two ends of the U-shaped square tube are respectively mounted on the corresponding U-shaped plates (30). The universal movable joint (17) is mounted on the U-shaped plate (30) at the bottom of the fan cylinder (1).
8. The oscillating spray blower according to claim 1, characterized in that: The mounting base (5) includes a hollow main housing (5a), the second vertical tube (15) is mounted on the main housing (5a), the motor (8) is mounted in the main housing (5a), the lower end of the rotating shaft (9) extends out of the main housing (5a) to connect to the second rocker arm (10), the lower end of the rotating shaft (6) extends out of the main housing (5a) to connect to the first rocker arm (7), and a lower shell cover (5b) is provided below the main housing (5a) to cover the first rocker arm (7) and the second rocker arm (10).
9. The oscillating spray blower according to claim 8, characterized in that: A fixing frame (31) located above the motor (8) is provided in the main housing (5a). The fixing frame (31) includes a U-shaped main body (31a). The main body (31a) is opened upward and has mounting ears (31b) at both ends. The motor (8) is mounted on the bottom of the main body (31a). The mounting ears (31b) are mounted on the main housing (5a). Reinforcement plates (31c) are welded to the left and right sides of the main body (31a).