Air blower with fan blades easy to replace

Abstract

The utility model relates to the technical field of air blowers, and discloses an air blower with easy-to-replace fan blades, which comprises a shell, a motor is fixedly arranged on the left side of the shell, the output end of the motor is fixedly connected with a coupler, the right end of the coupler is movably sleeved with a sleeve, the fan blades are fixedly arranged on the side surface of the sleeve, and the fan blades are fixedly arranged on the side surface of the sleeve. An annular plate is fixedly installed on the right side of the shell through screws, an annular dustproof net is fixedly arranged in the annular plate, a round block is fixedly arranged in the annular dustproof net, and an adjusting assembly is arranged on the left side of the round block. According to the air blower with the fan blades easy to replace, by arranging a sleeve, a lead screw, a moving sleeve, a T-shaped block and a guide rod, a rotary knob is rotated to enable the lead screw to rotate, the moving sleeve in threaded connection with the surface of the lead screw moves leftwards, the sleeve is driven to extend leftwards on a coupler, the positions of the fan blades on the surface of the sleeve move leftwards, and therefore the positions of the fan blades are adjusted; and the air inlet effect of the blower is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of blowers, in particular to a blower with easily replaceable fan blades. Background Art

[0002] Chinese patent CN211230925U provides a blower that is easy to clean. The fan blades can be quickly and conveniently disassembled and assembled from the housing, which is convenient for maintenance and replacement of the fan blades and cleaning of dust on the fan blades, meeting people's needs.

[0003] However, the installation position of the fan blades in the blower is fixed, and the position of the fan blades cannot be adjusted, which makes the air intake effect of the blower single, and the coordination between the fan blade connecting rod and the motor shaft is complicated. The production and manufacturing of the shaft and the connecting rod are difficult, and it is not easy to replace the fan blades. Therefore, it is necessary to design a blower with adjustable and easy-to-replace fan blades. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a blower with easily replaceable fan blades, which has the advantages of simple structure, easy production and replacement, adjustable fan blade position and good air intake effect. It solves the problem that the installation position of the fan blades in the existing blower is fixed, the position of the fan blades cannot be adjusted, resulting in a single air intake effect for the blower, and the coordination between the fan blade connecting rod and the inside of the motor shaft is complex, the production of the shaft and the connecting rod is difficult, and the fan blades are not easy to replace.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blower with easily replaceable fan blades, comprising a shell, a motor is fixedly installed on the left side of the shell, a coupling is fixedly connected to the output end of the motor, a sleeve is movably sleeved on the right end of the coupling, fan blades are fixedly provided on the side surface of the sleeve, a ring plate is fixedly installed on the right side of the shell by screws, an annular dust net is fixedly provided inside the ring plate, a round block is fixedly provided inside the annular dust net, and an adjustment component is provided on the left side of the round block.

[0008] The adjustment assembly includes a screw rod, the right end of which is rotatably connected to the center of the left side of the round block, a movable sleeve is threadedly connected to the side surface of the screw rod, a T-shaped block is fixedly provided on the left end of the movable sleeve, a connecting plate is installed on the left side of the T-shaped block, and the right end of the sleeve is rotatably connected to the left side of the connecting plate.

[0009] Preferably, a mounting hole is provided at the left end of the sleeve, and the side surface of the coupling is adapted to the interior of the mounting hole. The right end surface of the coupling cooperates with the mounting hole at the left end of the sleeve, so that the coupling and the sleeve can be driven to rotate when the motor is started, and the sleeve can extend left and right on the coupling to facilitate the position adjustment of the fan blades, thereby adjusting the air intake effect of the blower.

[0010] Preferably, guide rods are fixedly provided on the top and bottom of the left side of the round block, and the left ends of the two guide rods are movably plugged into the top and bottom of the right side of the movable sleeve respectively. The guide rods are plug-in-fitted into the movable sleeve, so that the movable sleeve screwed on the surface of the screw can move to the left or right when the screw rotates, which is convenient for adjusting the position of the fan blades in the blower.

[0011] Preferably, the right side of the round block is rotatably connected to a knob, and the left end of the knob is fixedly connected to the right end of the screw rod. The forward and reverse rotation of the knob rotates the screw rod on the left side of the round block, so that the movable sleeve threaded on the surface of the screw rod moves to the left or right, thereby facilitating the adjustment of the position of the fan blades in the blower.

[0012] Preferably, the T-shaped block is movably connected internally with two studs, the left ends of the two studs are respectively fixedly connected to the top and bottom of the right side of the connecting plate, the right ends of the two studs are threadedly connected with nuts, the left sides of the two nuts are respectively abutted against the top and bottom of the T-shaped block, the screws on the ring plate are removed, the annular dust net on the right side of the blower is removed, and the sleeve is moved out from the right end of the coupling, and the connecting plate and the T-shaped block can be disassembled by unscrewing the nuts on the two studs, thereby facilitating the replacement of the sleeve with fan blades.

[0013] Compared with the prior art, the utility model provides a blower with easily replaceable fan blades, which has the following beneficial effects:

[0014] 1. The blower with easily replaceable fan blades is provided with a sleeve, a screw, a movable sleeve and a guide rod. The screw is rotated by turning the knob, so that the movable sleeve threaded on the surface of the screw moves to the left, driving the sleeve to extend to the left on the coupling, so that the position of the fan blade on the surface of the sleeve moves to the left, thereby adjusting the position of the fan blade, and then adjusting the air intake effect of the blower.

[0015] 2. The blower with easily replaceable fan blades is provided with a connecting plate, studs and nuts. The screws on the ring plate are removed, and the annular dust screen on the right side of the blower is removed to move the sleeve out from the right end of the coupling. The connecting plate and the T-block can be disassembled by unscrewing the nuts on the two studs, and the sleeve with the fan blades can be replaced. Compared with the complicated matching method between the existing fan blade connecting rod and the inside of the motor shaft, the sleeve has a simple structure and is easy to produce and manufacture, thereby facilitating the replacement of the blower blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a cross-sectional view of the blower structure with easily replaceable fan blades according to the utility model;

[0017] Figure 2 For this utility model Figure 1 A magnified view of the structure at center;

[0018] Figure 3 The utility model is a side view of the blower structure with easily replaceable fan blades.

[0019] Among them: 1. Shell; 2. Motor; 3. Coupling; 4. Sleeve; 5. Fan blade; 6. Screw; 7. Ring plate; 8. Annular dust net; 9. Round block; 10. Screw; 11. Moving sleeve; 12. T-shaped block; 13. Connecting plate; 14. Mounting hole; 15. Guide rod; 16. Knob; 17. Stud; 18. Nut. DETAILED DESCRIPTION

[0020] 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 in 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.

[0021] See also Figure 1-3A blower with easily replaceable fan blades comprises a shell 1, a motor 2 is fixedly mounted on the left side of the shell 1, a coupling 3 is fixedly connected to the output end of the motor 2, a sleeve 4 is movably sleeved on the right end of the coupling 3, a mounting hole 14 is opened on the left end of the sleeve 4, a side surface of the coupling 3 is adapted to the inside of the mounting hole 14, a fan blade 5 is fixedly arranged on the side surface of the sleeve 4, a ring plate 7 is fixedly mounted on the right side of the shell 1 by screws 6, an annular dustproof net 8 is fixedly arranged inside the ring plate 7, a round block 9 is fixedly arranged inside the annular dustproof net 8, an adjustment component is arranged on the left side of the round block 9, and the adjustment component The invention comprises a screw rod 10, the right end of which is rotatably connected to the center of the left side of the round block 9, the right side of the round block 9 is rotatably connected to a knob 16, the left end of the knob 16 is fixedly connected to the right end of the screw rod 10, the side surface of the screw rod 10 is threadedly connected to a movable sleeve 11, the top and bottom of the left side of the round block 9 are fixedly provided with guide rods 15, the left ends of the two guide rods 15 are respectively movably plugged with the top and bottom of the right side of the movable sleeve 11, and a sleeve 4, a screw rod 10, a movable sleeve 11 and a guide rod 15 are provided, and the knob 16 is turned to rotate the screw rod 10, so that the movable sleeve 11 threaded on the surface of the screw rod 10 moves to the left. The sleeve 4 is moved to extend to the left on the coupling 3, so that the position of the fan blade 5 on the surface of the sleeve 4 moves to the left, thereby adjusting the position of the fan blade 5, and then adjusting the air intake effect of the blower. A T-shaped block 12 is fixedly provided at the left end of the movable sleeve 11, and a connecting plate 13 is installed on the left side of the T-shaped block 12. Two studs 17 are movably connected inside the T-shaped block 12. The left ends of the two studs 17 are fixedly connected to the top and bottom of the right side of the connecting plate 13 respectively. The right ends of the two studs 17 are threadedly connected with nuts 18, and the left sides of the two nuts 18 are respectively against the top and bottom of the T-shaped block 12. The right end of the sleeve 4 is rotatably connected to the left side of the connecting plate 13, and a connecting plate 13, a stud 17 and a nut 18 are set. The screws 6 on the ring plate 7 are removed, and the annular dust screen 8 on the right side of the blower is removed to move the sleeve 4 out of the right end of the coupling 3. The connecting plate 13 and the T-block 12 can be disassembled by unscrewing the nuts 18 on the two studs 17, and the sleeve 4 with the fan blades 5 can be replaced. Compared with the complex matching method between the existing fan blade connecting rod and the inside of the motor shaft, the sleeve 4 has a simple structure and is easy to produce and manufacture, thereby facilitating the replacement of the blower fan blades 5.

[0022] When in use, the knob 16 is turned to rotate the screw rod 10, so that the movable sleeve 11 screwed on the surface of the screw rod 10 moves to the left, driving the sleeve 4 to extend to the left on the coupling 3, so that the position of the fan blade 5 on the surface of the sleeve 4 moves to the left, thereby adjusting the position of the fan blade 5 to adjust the air intake effect of the blower, and by removing the screw 6 on the ring plate 7, the annular dust screen 8 on the right side of the blower is removed, so that the sleeve 4 is moved out from the right end of the coupling 3, and by screwing out the nuts 18 on the two studs 17, the connecting plate 13 and the T-shaped block 12 can be split, and the sleeve 4 with the fan blade 5 can be replaced. The blower with easy-to-replace fan blades has convenient installation position adjustment of the fan blade 5 to prevent the blower from having a single air intake effect, and the sleeve 4 with the fan blade 5 has a simple structure. Compared with the complex matching method between the existing fan blade connecting rod and the motor shaft, the sleeve 4 is simple to manufacture, so that the fan blade 5 of the blower is easy to replace.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blower with easily replaceable fan blades, comprising a housing (1), characterized in that: A motor (2) is fixedly mounted on the left side of the housing (1), a coupling (3) is fixedly connected to the output end of the motor (2), a sleeve (4) is movably sleeved on the right end of the coupling (3), a fan blade (5) is fixedly arranged on the side surface of the sleeve (4), a ring plate (7) is fixedly mounted on the right side of the housing (1) by means of screws (6), an annular dustproof net (8) is fixedly arranged inside the ring plate (7), a round block (9) is fixedly arranged inside the annular dustproof net (8), and an adjustment component is arranged on the left side of the round block (9); The adjustment assembly comprises a screw rod (10), the right end of which is rotatably connected to the center of the left side of the round block (9), a movable sleeve (11) is threadedly connected to the side surface of the screw rod (10), a T-shaped block (12) is fixedly arranged at the left end of the movable sleeve (11), a connecting plate (13) is installed on the left side of the T-shaped block (12), and the right end of the sleeve (4) is rotatably connected to the left side of the connecting plate (13).

2. A blower with easily replaceable fan blades according to claim 1, characterized in that: The left end of the sleeve (4) is provided with a mounting hole (14), and the side surface of the coupling (3) is adapted to the interior of the mounting hole (14).

3. A blower with easily replaceable fan blades according to claim 1, characterized in that: Guide rods (15) are fixedly arranged at the top and bottom of the left side of the round block (9), and the left ends of the two guide rods (15) are movably plugged into the top and bottom of the right side of the movable sleeve (11) respectively.

4. A blower with easily replaceable fan blades according to claim 1, characterized in that: The right side of the round block (9) is rotatably connected to a knob (16), and the left end of the knob (16) is fixedly connected to the right end of the screw rod (10).

5. The blower with easily replaceable fan blades according to claim 1, characterized in that: The T-shaped block (12) is movably connected to two studs (17), the left ends of the two studs (17) are respectively fixedly connected to the top and bottom of the right side of the connecting plate (13), and the right ends of the two studs (17) are threadedly connected to nuts (18).

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