AC double-air-inlet air blower

Abstract

The utility model relates to the technical field of air blowers, in particular to an AC double-air-inlet air blower. Comprising an AC double-air-inlet air blower body, a first air inlet is formed in the left side of the AC double-air-inlet air blower body, and a second air inlet is formed in the AC double-air-inlet air blower body; a first protection assembly is fixedly installed on the front side and the rear side of the AC double-air-inlet air blower body jointly, first limiting assemblies are fixedly installed on the front side and the rear side of the AC double-air-inlet air blower body correspondingly, and second protection assemblies are fixedly installed on the front side and the rear side of the AC double-air-inlet air blower body correspondingly. Second limiting assemblies are fixedly installed on the front side and the rear side of the AC double-air-inlet air blower body correspondingly. A handle assembly is movably installed at the top end of the AC double-air-inlet air blower body, a positioning assembly is fixedly installed at the top end of the AC double-air-inlet air blower body, and a third limiting assembly is fixedly installed at the top end of the AC double-air-inlet air blower body. The technical problems of short service life and inconvenience in carrying are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of blowers, in particular to an AC double-inlet blower. Background Art

[0002] A blower is a device that transmits energy through the rotation of blades on an impeller or drives the blades to rotate through external energy. During the use of the blower, in order to more effectively utilize the air volume, improve ventilation efficiency, and reduce energy consumption, an AC double-inlet blower is often required.

[0003] In the prior art, when it is not in use, its air inlet is generally exposed to the air, which may cause dust and foreign matter to enter the air inlet, which may cause it to be damaged and shorten its service life. In the prior art, when it needs to be carried by the user, it generally cannot be lifted by the user, so it can only be carried by the user by carrying it, which makes the user feel more laborious and increases the difficulty of carrying it. Utility Model Content

[0004] The utility model provides an AC double-inlet blower to solve the problems of short service life and inconvenience in carrying in the prior art, which can extend the service life and is convenient to carry.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an AC double-inlet blower, comprising an AC double-inlet blower body, a support base is fixedly installed at the bottom of the AC double-inlet blower body, a first air inlet is opened on the left side of the AC double-inlet blower body, and a second air inlet is opened inside the AC double-inlet blower body; a first protective component for protecting the AC double-inlet blower body is fixedly installed on the front and rear sides of the AC double-inlet blower body, and a first protective component with a limited position is fixedly installed on the front and rear sides of the AC double-inlet blower body A first limiting component, a second protective component for protecting the AC double-inlet blower body is fixedly installed on the front and rear sides of the AC double-inlet blower body, and a second limiting component of the second limiting protective component is fixedly installed on the front and rear sides of the AC double-inlet blower body; a handle component that can be pulled is movably installed on the top outer surface of the AC double-inlet blower body, a positioning component for positioning the handle assembly is fixedly installed on the top outer surface of the AC double-inlet blower body, and a third limiting component of the limited positioning component is fixedly installed on the top outer surface of the AC double-inlet blower body.

[0006] Furthermore, the first protective component includes a second door-shaped plate, the front inner side surface of the second door-shaped plate is fixedly installed on the front side of the AC double-inlet blower body, the rear inner side surface of the second door-shaped plate is fixedly installed on the rear side of the AC double-inlet blower body, the second door-shaped plate is internally rotatably connected to a support shaft, the front end and the rear end of the support shaft are fixedly connected to a limiting column, the limiting column is rotatably connected to the second door-shaped plate, the outer surfaces of the limiting column are respectively provided with a sixth thread groove and a seventh thread groove, the outer surface of the support shaft is fixedly connected to a protective plate, the protective plate is movably connected to the second door-shaped plate, and the first protective component has the function of protecting the AC double-inlet blower body.

[0007] Furthermore, the first limiting assembly includes two L-shaped rods, the rear side of one L-shaped rod is fixedly installed on the front side of the AC double-inlet blower body, the front side of one L-shaped rod is fixedly installed on the rear side of the AC double-inlet blower body, the L-shaped rod is fixedly connected to the second door-shaped plate, the L-shaped rod is rotatably connected to the limiting column, the rod body of the L-shaped rod is internally threaded with a fifth screw, and the first limiting assembly has the function of limiting the first protective assembly.

[0008] Furthermore, a fifth screw rod is threadedly connected inside the rod body of the L-shaped rod.

[0009] Furthermore, the second protective component includes two protective rings, the rear side of one protective ring is fixedly installed on the front side of the AC double-inlet blower body, and the front side of the other protective ring is fixedly installed on the rear side of the AC double-inlet blower body, and a fourth thread groove and a fifth thread groove are respectively provided on a side of the protective ring away from the AC double-inlet blower body, a side of the protective ring away from the AC double-inlet blower body is fixedly connected to a support column, an end of the support column away from the protective ring is fixedly connected to a limiting disk, an outer surface of the support column is movably connected to a protective disk, an outer surface of the protective disk is provided with a third thread groove, a positioning groove is provided on a side of the protective disk close to the protective ring, a sealing ring is fixedly connected to a side of the protective disk close to the protective ring, the sealing ring is movably connected to the protective ring, the internal thread of the protective disk is connected to a fourth screw, and the fourth screw is threadedly connected to the fourth thread groove and the fifth thread groove, respectively, and the second protective component has the function of protecting the AC double-inlet blower body.

[0010] Furthermore, the second limiting assembly includes two limiting plates and four positioning columns, the rear side of one limiting plate and the rear ends of the two positioning columns are fixedly installed on the front side of the AC double-inlet blower body, the front side of one limiting plate and the front ends of the other two positioning columns are fixedly installed on the rear side of the AC double-inlet blower body, the limiting plate is fixedly connected to the protective ring, the limiting plate is movably connected to the protective disk, the internal thread of the limiting plate is connected to the third screw, the positioning column is movably connected to the positioning groove, and the second limiting assembly has the function of limiting the second protective assembly.

[0011] Furthermore, the handle assembly includes an arc-shaped handle, which is movably connected to the AC dual-inlet blower body, the front and rear sides of the arc-shaped handle are provided with a first thread groove and a second thread groove, the front and rear sides of the arc-shaped handle are fixedly connected to a limiting rod, and the outer side surface of the arc-shaped handle is fixedly connected to a limiting square plate, and the handle assembly has the function of being pulled.

[0012] Furthermore, the positioning assembly includes a first door-shaped plate, one side of which is fixedly mounted on the top outer surface of the AC double-inlet blower body, and the first door-shaped plate is slidingly connected to the arc-shaped handle, the limiting rod and the limiting square plate respectively, and the positioning assembly has the function of positioning the handle assembly.

[0013] Furthermore, the third limiting assembly includes a door-shaped rod, one side of which is fixedly mounted on the top outer surface of the AC double-inlet blower body, the door-shaped rod is slidably connected to the arc-shaped handle, the bottom of the door-shaped rod is fixedly mounted on the top of the first door-shaped plate, the rod body of the door-shaped rod is internally threadedly connected with a first screw and a second screw, the first screw is threadedly connected to the first thread groove, and the third limiting assembly has the function of a limiting positioning assembly.

[0014] The working principle and use principle of the utility model are as follows: in the process of using the device, by arranging the AC double-inlet blower body, the support seat, the first air inlet and the second air inlet, the device can be used for double air inlet blowing, and by arranging the first protective component, the first limiting component, the second protective component and the second limiting component, when the device is not in use, the first air inlet and the second air inlet can be both located in a closed space, so that the inside of the first air inlet and the inside of the second air inlet can be prevented from entering dust and foreign matter due to exposure to the air, so that the device can be prevented from being damaged due to dust and foreign matter entering the inside of the first air inlet and the inside of the second air inlet, so that the service life of the device can be prevented from being shortened due to damage, so that the service life of the device can be extended, and in the process of using the device, by arranging the handle component, the positioning component and the third limiting component, when the device needs to be carried by the user, the device can be lifted by the user, so that the user can avoid feeling the effort of carrying the device only by carrying it, so that the device can avoid the difficulty of carrying the device increased due to the effort of the user carrying it, so that the device can be conveniently carried.

[0015] The beneficial technical effects of the utility model are:

[0016] By arranging the AC double-inlet blower body, the support base, the first air inlet and the second air inlet, the device can perform double air inlet blowing, and by arranging the first protective component, the first limiting component, the second protective component and the second limiting component, the inside of the first air inlet and the inside of the second air inlet can be prevented from entering dust and foreign matter due to exposure to the air, so that the service life of the device can be extended, and by arranging the handle component, the positioning component and the third limiting component, the device can be lifted by the user, so that the device can be conveniently carried. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objectives and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings.

[0018] Figure 1 It is the first frontal stereoscopic schematic diagram of the utility model.

[0019] Figure 2 It is a three-dimensional schematic diagram of the protective plate of the utility model.

[0020] Figure 3 It is a three-dimensional schematic diagram of the protective plate of the utility model.

[0021] Figure 4 It is a three-dimensional schematic diagram of a door-shaped rod of the utility model.

[0022] Figure 5 It is a three-dimensional schematic diagram of the first door-shaped plate of the utility model.

[0023] Figure 6 It is a three-dimensional schematic diagram of the arc-shaped handle of the utility model.

[0024] Figure 7 It is a rear-view stereoscopic schematic diagram of the utility model.

[0025] Figure 8 It is a three-dimensional schematic diagram of the limiting column of the utility model.

[0026] Fig. 9 It is a second front view stereoscopic schematic diagram of the utility model.

[0027] Explanation of the numbers in the figure: 1. arc-shaped handle; 2. first screw; 3. second screw; 4. door-shaped rod; 5. first door-shaped plate; 6. protective plate; 7. second door-shaped plate; 8. seventh threaded groove; 9. limiting column; 10. L-shaped rod; 11. fifth screw; 12. first air inlet; 13. AC double air inlet blower body; 14. support seat; 15. third screw; 16. limiting plate; 17. second air inlet; 18. limiting plate; 19. support column; 20. fourth screw; 21. protective ring; 22. sealing ring; 23. protective plate; 24. support shaft; 25. positioning groove; 26. positioning column; 27. first threaded groove; 28. limiting rod; 29. ​​limiting square plate; 30. second threaded groove; 31. fourth threaded groove; 32. fifth threaded groove; 33. sixth threaded groove; 34. third threaded groove. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the embodiments of the present application easy to understand, the embodiments of the present application are further explained below in combination with diagrams and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the embodiments of the present application and are not used to limit the embodiments of the present application.

[0029] Embodiment 1: Figures 1 to 9 As shown: an AC double-inlet blower, comprising an AC double-inlet blower body 13, a support seat 14 is fixedly installed at the bottom of the AC double-inlet blower body 13, a first air inlet 12 is opened on the left side of the AC double-inlet blower body 13, and a second air inlet 17 is opened inside the AC double-inlet blower body 13; a first protective component is fixedly installed on the front and rear sides of the AC double-inlet blower body 13, a first limiting component is fixedly installed on the front and rear sides of the AC double-inlet blower body 13, a second protective component is fixedly installed on the front and rear sides of the AC double-inlet blower body 13, and a second limiting component is fixedly installed on the front and rear sides of the AC double-inlet blower body 13; a handle component is movably installed on the top outer surface of the AC double-inlet blower body 13, a positioning component is fixedly installed on the top outer surface of the AC double-inlet blower body 13, and a third limiting component is fixedly installed on the top outer surface of the AC double-inlet blower body 13.

[0030] In this embodiment, by arranging the AC double-inlet blower body 13, the support seat 14, the first air inlet 12 and the second air inlet 17, the device can perform double air inlet blowing. By arranging the first protective component, the first limiting component, the second protective component and the second limiting component, the first protective component and the second protective component can both protect the AC double-inlet blower body 13, the first limiting component can limit the first protective component, and the second limiting component can limit the second protective component. When the device is not in use, the first air inlet 12 and the second air inlet 17 can both be located in a closed space, so that the inside of the first air inlet 12 and the inside of the second air inlet 17 can prevent dust and foreign matter from entering due to exposure to the air. The device can avoid being damaged due to dust and foreign matter entering both the first air inlet 12 and the second air inlet 17, and can avoid shortening the service life of the device due to damage, so that the service life of the device can be extended; through the arrangement of the handle assembly, the positioning assembly and the third limit assembly, the handle assembly can be lifted, the positioning assembly can position the handle assembly, and the third limit assembly can limit the handle assembly; when the device needs to be carried by the user, the device can be lifted by the user, so that the user can avoid feeling the effort of carrying the device only by carrying it, so that the device can avoid increasing the difficulty of carrying due to the effort of the user to carry the device, and the device can be conveniently carried.

[0031] Embodiment 2: Figures 1 to 9 As shown: an AC double-inlet blower, including a second door-shaped plate 7 and two L-shaped rods 10, the second door-shaped plate 7 is internally rotatably connected to a support shaft 24, the front and rear ends of the support shaft 24 are fixedly connected to limit columns 9, the number of limit columns 9 is two, the outer surfaces of the limit columns 9 are respectively provided with a sixth thread groove 33 and a seventh thread groove 8, the outer surface of the support shaft 24 is fixedly connected to a protective plate 6, the rod body of the L-shaped rod 10 is internally threadedly connected to a fifth screw 11, the fifth screw 11 is respectively threadedly connected to the sixth thread groove 33 and the seventh thread groove 8, the number of the fifth screw 11 is two, and the side of the protective ring 21 away from the AC double-inlet blower body 13 is respectively provided with a fourth thread groove 31 and a fifth thread groove 32.

[0032] In this embodiment, the initial state of the device is that the fifth screw rod 11 is threadedly connected with the sixth thread groove 33, one end of the third screw rod 15 is located inside the limit plate 16, the fourth screw rod 20 is threadedly connected with the fourth thread groove 31 and one end of the positioning column 26 is located inside the positioning groove 25, one end of the second screw rod 3 is located inside the rod body of the door-shaped rod 4, the first screw rod 2 is threadedly connected with the first thread groove 27 and the top of the AC double air inlet blower body 13 is located inside the arc handle 1. When it is necessary to use the double air inlet of the device for blowing, the AC double air inlet blower body 13 is energized, and under the action of the AC double air inlet blower body 13, the support seat 14, the first air inlet 12 and the second air inlet 17, the air can enter from the first air inlet 12 and the second air inlet 17 respectively, so that the AC double air inlet blower body 13 can blow air. At this time, the double air inlet of the device can be used for blowing. After the use of the device is completed, when the device is in an unused state, the two fifth air inlets are rotated at the same time. The screw rod 11 disengages the fifth screw rod 11 from the sixth thread groove 33 and one end of the fifth screw rod 11 is located inside the L-shaped rod 10. At the same time, the two limit columns 9 are rotated to make the limit columns 9 rotate along the second door-shaped plate 7 and the L-shaped rod 10 respectively, so that the support shaft 24 and the protective plate 6 are rotated along the second door-shaped plate 7. When the two fifth screw rods 11 are rotated to the maximum angle at the same time, the protective plate 6 enters the interior of the second door-shaped plate 7 and the protective plate 6 covers the outside of the first air inlet 12. The fifth screw rod 11 corresponds to the seventh thread groove 8, and the protective plate 6 and the second door-shaped plate 7 form a closed space. At the same time, the two fifth screw rods 11 are rotated in the opposite direction to make the fifth screw rod 11 threadedly connected to the seventh thread groove 8. At this time, the first air inlet 12 can be located in the closed space formed by the protective plate 6 and the second door-shaped plate 7. At the same time, the two fourth screw rods 20 are rotated to disengage the fourth screw 20 from the fourth thread groove 31 and one end of the fourth screw 20 is located inside the protective plate 23.

[0033] Embodiment three: includes two protective rings 21, two limiting plates 16 and four positioning columns 26, the protective ring 21 is fixedly connected to the side of the AC double-inlet blower body 13 with a support column 19, the support column 19 is fixedly connected to the limiting plate 18 at one end away from the protective ring 21, the outer surface of the support column 19 is movably connected to the protective plate 23, the outer surface of the protective plate 23 is provided with a third thread groove 34, the side of the protective plate 23 close to the protective ring 21 is provided with a positioning groove 25, the side of the protective plate 23 close to the protective ring 21 is fixedly connected with a sealing ring 22, the internal thread of the protective plate 23 is connected to the fourth screw 20, the fourth screw 20 is threadedly connected to the fourth thread groove 31 and the fifth thread groove 32 respectively, the number of the fourth screw 20 and the number of the protective plate 23 are both two, the internal thread of the limiting plate 16 is connected to the third screw 15, the third screw 15 is threadedly connected to the third thread groove 34, and the number of the third screw 15 is two.

[0034] In this embodiment, the two protective plates 23 are simultaneously moved in a direction away from the protective ring 21, so that the positioning column 26 slides along the positioning groove 25 in a direction away from the protective ring 21, and the protective plate 23 slides along the support column 19 in a direction away from the protective ring 21, so that the sealing ring 22 moves in a direction away from the protective ring 21. When the two protective plates 23 are simultaneously moved in a direction away from the protective ring 21 to a maximum distance, the positioning column 26 is disconnected from the positioning groove 25, and the protective plate 23 contacts the limit plate 18, and the two protective plates are rotated at the same time. 23, the protective plate 23 rotates along the support column 19, so that the sealing ring 22 rotates. When the protective plate 23 rotates to correspond to the protective ring 21, the fourth screw 20 corresponds to the fifth thread groove 32, and the two protective plates 23 are moved simultaneously in the direction close to the protective ring 21, so that the positioning column 26 slides along the positioning groove 25 in the direction close to the protective ring 21, so that the protective plate 23 slides along the support column 19 in the direction close to the protective ring 21, and the sealing ring 22 moves in the direction close to the protective ring 21, so that the protective plate 23 moves along the limiting The positioning plate 16 slides in the direction close to the protective ring 21. When the two protective plates 23 are moved to the maximum distance in the direction close to the protective ring 21, the sealing ring 22 enters the interior of the protective ring 21 and the protective plate 23 covers the outside of the second air inlet 17. The protective plates 23 and the protective ring 21 form a closed space. At the same time, the two fourth screws 20 are rotated in the opposite direction to make the fourth screws 20 and the fifth thread groove 32 threadedly connected. At this time, the second air inlet 17 can be located in the closed space formed by the protective plates 23 and the protective ring 21, and this The device can be protected. During the process of protecting the device, when the device is not in use, the first air inlet 12 and the second air inlet 17 can be located in a closed space, so that the inside of the first air inlet 12 and the inside of the second air inlet 17 can be prevented from entering dust and foreign matter due to exposure to the air, so that the device can be prevented from being damaged due to dust and foreign matter entering the inside of the first air inlet 12 and the second air inlet 17, so that the service life of the device can be prevented from being shortened due to damage, and the service life of the device can be extended.

[0035] Embodiment 4: Figures 1 to 9As shown: an AC double-inlet blower, including an arc-shaped handle 1, a first door-shaped plate 5 and a door-shaped rod 4, the front and rear sides of the arc-shaped handle 1 are provided with a first thread groove 27 and a second thread groove 30, the front and rear sides of the arc-shaped handle 1 are fixedly connected to a limit rod 28, the outer side of the arc-shaped handle 1 is fixedly connected to a limit square plate 29, the first door-shaped plate 5 is slidingly connected to the arc-shaped handle 1, the limit rod 28 and the limit square plate 29 respectively, the door-shaped rod 4 is slidingly connected to the arc-shaped handle 1, the bottom of the door-shaped rod 4 is fixedly installed on the top of the first door-shaped plate 5, the rod body of the door-shaped rod 4 is threadedly connected with a first screw rod 2 and a second screw rod 3, the first screw rod 2 is threadedly connected to the first thread groove 27, the second screw rod 3 is threadedly connected to the second thread groove 30, and the number of the first screw rod 2 and the number of the second screw rod 3 are both four.

[0036] In the present embodiment, during the use of the present device, when the present device needs to be carried by the user, the four first screw rods 2 are rotated at the same time to disconnect the first screw rods 2 from the first thread groove 27 and to make one end of the first screw rod 2 located inside the rod body of the gate rod 4, the arc handle 1 is moved upward to disconnect the arc handle 1 from the AC double air inlet blower body 13, and the arc handle 1 slides upward along the gate rod 4 and the first gate plate 5 respectively, so that the limiting rod 28 and the limiting square plate 29 both slide upward along the first door plate 5, when the arc handle 1 is moved upward to the maximum distance, the second screw rod 3 and the second thread groove 30 correspond to each other, and the four second screw rods 3 are rotated at the same time to make the second screw rod 3 and the second thread groove 30 threadedly connected, so that the arc handle 1 can protrude from the top of the AC double air inlet blower body 13, so that the user can lift and pull the arc handle 1, so that the present device can be lifted and pulled by the user through the arc handle 1, and the present device can be carried by the user at this time.

[0037] In this embodiment, the AC double-inlet blower body 13 is electrically connected to the power supply, the L-shaped rod 10 is located on the left side of the limiting plate 16 , and the fourth thread groove 31 is located above the fifth thread groove 32 .

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solution to deviate from the scope of the technical solution of the embodiments of the present application.

Claims

1. An AC double-inlet blower, comprising an AC double-inlet blower body (13), a support base (14) being fixedly mounted on the bottom of the AC double-inlet blower body (13), a first air inlet (12) being provided on the left side of the AC double-inlet blower body (13), and a second air inlet (17) being provided inside the AC double-inlet blower body (13); characterized in that The front and rear sides of the AC double-inlet blower body (13) are jointly fixedly mounted with a first protection component for protecting the AC double-inlet blower body (13); the front and rear sides of the AC double-inlet blower body (13) are both fixedly mounted with a first limit component of the first limit protection component; the front and rear sides of the AC double-inlet blower body (13) are both fixedly mounted with a second protection component for protecting the AC double-inlet blower body (13); the front and rear sides of the AC double-inlet blower body (13) are both fixedly mounted with a second limit component of the second limit protection component; the top outer surface of the AC double-inlet blower body (13) is movably mounted with a handle component that can be lifted; the top outer surface of the AC double-inlet blower body (13) is fixedly mounted with a positioning component for positioning the handle component; and the top outer surface of the AC double-inlet blower body (13) is fixedly mounted with a third limit component of the limit positioning component.

2. The AC double-inlet blower according to claim 1, characterized in that: The first protection component comprises a second door-shaped plate (7), the front inner side surface of the second door-shaped plate (7) being fixedly mounted on the front side of the AC double-inlet blower body (13), the rear inner side surface of the second door-shaped plate (7) being fixedly mounted on the rear side of the AC double-inlet blower body (13), the second door-shaped plate (7) being rotatably connected to a support shaft (24), the front end and the rear end of the support shaft (24) being fixedly connected to a limiting column (9), the limiting column (9) being rotatably connected to the second door-shaped plate (7), the outer surface of the limiting column (9) being respectively provided with a sixth thread groove (33) and a seventh thread groove (8), the outer surface of the support shaft (24) being fixedly connected to a protection plate (6), the protection plate (6) being movably connected to the second door-shaped plate (7).

3. The AC double-inlet blower according to claim 2, characterized in that: The first limiting assembly comprises two L-shaped rods (10), the rear side of one L-shaped rod (10) being fixedly mounted on the front side of the AC double-inlet blower body (13), the front side of one L-shaped rod (10) being fixedly mounted on the rear side of the AC double-inlet blower body (13), the L-shaped rod (10) being fixedly connected to the second door-shaped plate (7), and the L-shaped rod (10) being rotatably connected to the limiting column (9).

4. The AC double-inlet blower according to claim 3, characterized in that: A fifth screw rod (11) is threadedly connected inside the rod body of the L-shaped rod (10).

5. The AC double-inlet blower according to claim 1, characterized in that: The second protection assembly comprises two protection rings (21), the rear side of one protection ring (21) being fixedly mounted on the front side of the AC double-inlet blower body (13), and the front side of the other protection ring (21) being fixedly mounted on the rear side of the AC double-inlet blower body (13), a fourth thread groove (31) and a fifth thread groove (32) being respectively formed on a side of the protection ring (21) away from the AC double-inlet blower body (13), a support column (19) being fixedly connected to a side of the protection ring (21) away from the AC double-inlet blower body (13), and an end of the support column (19) away from the protection ring (21) being fixedly mounted on the support column (19) A limiting disk (18) is connected, the outer surface of the support column (19) is movably connected to a protective disk (23), the outer surface of the protective disk (23) is provided with a third thread groove (34), a side of the protective disk (23) close to the protective ring (21) is provided with a positioning groove (25), a side of the protective disk (23) close to the protective ring (21) is fixedly connected to a sealing ring (22), the sealing ring (22) is movably connected to the protective ring (21), the inner thread of the protective disk (23) is connected to a fourth screw rod (20), and the fourth screw rod (20) is threadedly connected to the fourth thread groove (31) and the fifth thread groove (32) respectively.

6. The AC double-inlet blower according to claim 5, characterized in that: The second limiting assembly comprises two limiting plates (16) and four positioning columns (26); the rear side of one limiting plate (16) and the rear ends of the two positioning columns (26) are fixedly mounted on the front side of the AC double-inlet blower body (13); the front side of one limiting plate (16) and the front ends of the other two positioning columns (26) are fixedly mounted on the rear side of the AC double-inlet blower body (13); the limiting plate (16) is fixedly connected to the protective ring (21); the limiting plate (16) is movably connected to the protective plate (23); the inner thread of the limiting plate (16) is connected to the third screw rod (15); and the positioning column (26) is movably connected to the positioning groove (25).

7. The AC double-inlet blower according to claim 1, characterized in that: The handle assembly comprises an arc-shaped handle (1), the arc-shaped handle (1) being movably connected to an AC double-inlet blower body (13), the front side and the rear side of the arc-shaped handle (1) both being provided with a first thread groove (27) and a second thread groove (30), the front side and the rear side of the arc-shaped handle (1) both being fixedly connected to a limiting rod (28), and the outer side surface of the arc-shaped handle (1) being fixedly connected to a limiting square plate (29).

8. The AC double-inlet blower according to claim 7, characterized in that: The positioning assembly comprises a first door-shaped plate (5), one side of which is fixedly mounted on the top outer surface of the AC double-inlet blower body (13), and the first door-shaped plate (5) is slidably connected to the arc-shaped handle (1), the limiting rod (28) and the limiting square plate (29) respectively.

9. An AC double-inlet blower according to claim 7 or 8, characterized in that: The third limiting assembly comprises a door-shaped rod (4), one side of the door-shaped rod (4) is fixedly mounted on the top outer surface of the AC double-inlet blower body (13), the door-shaped rod (4) is slidably connected to the arc-shaped handle (1), the bottom of the door-shaped rod (4) is fixedly mounted on the top of the first door-shaped plate (5), the rod body of the door-shaped rod (4) is internally threadedly connected to the first screw rod (2) and the second screw rod (3), and the first screw rod (2) is threadedly connected to the first thread groove (27).

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