Axial flow fan impeller and axial flow fan

Abstract

The utility model relates to the technical field of fans, and discloses an axial flow fan impeller and an axial flow fan, which comprise a replacement mechanism, an adjusting mechanism and a protection mechanism. The motor drives the rotating rod to rotate, the threaded groove and the clamping groove are formed in the rotating rod, the threaded groove is in threaded connection with the threaded rod, the threaded rod penetrates through the interior of the cross-shaped clamping block, the cross-shaped clamping block is clamped to the outer wall of the clamping groove, and meanwhile the contact area between the threaded rod and the cross-shaped clamping block is increased through the gasket; when the fan blade is damaged and needs to be replaced, the screw rod is detached through a tool, so that the cross-shaped clamping block is separated from the outer wall of the clamping groove, then the first fixing column is taken out along the outer wall of the clamping groove in a sliding mode, and rapid replacement can be achieved, so that the maintenance and repair time is shortened, the shutdown time is shortened, and the maintenance efficiency is improved. And due to the fact that disassembly is easy, an operator can rapidly replace the blades without complex disassembly, and time waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan technical field especially, relate to a kind of axial fan impeller and axial fan. BACKGROUND

[0002] Axial fan is a common fan type, mainly for the flow of air or gas. Its working principle is to push air along the direction of fan shaft (i.e. axial direction) by one or more rotating impellers, forming airflow.

[0003] In the prior art, when the axial fan blade needs to be replaced due to damage, the blade and the output shaft are integrated, resulting in complex and tedious disassembly. Not only does it increase the technical difficulty of disassembly, but also it prolongs the maintenance time, thereby reducing the production efficiency. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides an axial fan impeller and axial fan.

[0005] The utility model adopts the following technical scheme: an axial fan impeller and axial fan, comprising a replacement mechanism, an adjusting mechanism and a protection mechanism, the adjusting mechanism is located on the outer wall of the replacement mechanism, and the protection mechanism is located on the left side of the replacement mechanism.

[0006] The replacement mechanism comprises a protective shell, a support rod is fixedly connected to the inner wall of the protective shell, a fixed column is fixedly connected to the outer wall of the support rod, an electric motor is fixedly connected to the inside of the fixed column, a rotating rod is fixedly connected to the output end of the electric motor, a clamping groove is formed in the inside of the rotating rod, a threaded groove is formed in the inside of the rotating rod, a screw rod is threadedly connected to the threaded groove, a gasket is arranged in contact with the right side of the screw rod, a cross-shaped clamping block is arranged in contact with the right side of the gasket, the cross-shaped clamping block is arranged in contact with the outer wall of the clamping groove, a first fixed column is fixedly connected to the outer wall of the cross-shaped clamping block, and a fan blade is fixedly connected to the outer wall of the first fixed column.

[0007] As a further improvement of the above scheme, the support rod is provided with four, the four support rods are symmetrically arranged with the fixed column as the center, the fan blade is provided with a plurality of, and the plurality of fan blades are evenly arranged on the outer wall of the first fixed column.

[0008] Through the technical scheme, the motor drives the rotating rod to rotate, the threaded groove and the clamping groove are respectively arranged in the rotating rod, the threaded groove is in threaded connection with the screw rod, the screw rod penetrates through the inside of the cross-shaped clamping block, the cross-shaped clamping block is clamped on the outer wall of the clamping groove, meanwhile, the screw rod increases the contact area with the cross-shaped clamping block through the gasket, the cross-shaped clamping block drives the fan blade to rotate through the fixing column I, so that the equipment operates, when the fan blade needs to be replaced due to damage, the screw rod is disassembled through a tool, so that the cross-shaped clamping block is separated from the outer wall of the clamping groove, and then the fixing column I is taken out by sliding along the outer wall of the clamping groove, so that the fan blade can be quickly replaced, thereby shortening the maintenance and repair time, reducing the downtime, and improving the work efficiency. Since the disassembly is simple, the operator can quickly replace the blade without complex disassembly, thereby reducing the waste of time.

[0009] As a further improvement of the above scheme, the adjusting mechanism comprises a fixed block, the outer wall of the fixed block is fixedly connected with a reinforcing plate, and the inner wall of the fixed block is in contact with a screw rod I.

[0010] As a further improvement of the above scheme, one end of the screw rod I away from the fixed block is in threaded connection with a nut, the outer wall of the screw rod I is in contact with a fixed block I, the fixed block I is in contact with the outer wall of the nut, and the fixed block I is fixedly connected to the outer wall of the protective shell.

[0011] As a further improvement of the above scheme, the nut is provided with two, and the two nuts are symmetrically arranged at the center of the protective shell, and the fixed block I is provided with two, and the two fixed blocks I are symmetrically arranged at the center of the protective shell.

[0012] Through the technical scheme, when the screw rod I is fixed through a tool, the nut is rotated at this time, so that the friction between the nut and the fixed block I is reduced, at this time, the protective shell can be manually adjusted, so that the protective shell can change a certain angle, airflow separation and turbulent flow phenomenon are reduced, the passing efficiency of airflow is improved, the overall performance of the fan is improved, and energy loss is reduced.

[0013] As a further improvement of the above scheme, the protection mechanism comprises a sliding groove, the sliding groove is arranged in the inner wall of the protective shell, the inner wall of the protective shell is provided with a clamping groove, and the inside of the protective shell is provided with a threaded groove I.

[0014] As a further improvement of the above scheme, the threaded groove I is in threaded connection with a screw rod II, the screw rod II is in threaded connection with a sliding block, the sliding block is in contact with the outer wall of the clamping groove, the outer wall of the sliding block is fixedly connected with a protective plate, the protective plate is provided with two, and the two protective plates are symmetrically arranged at the center of the protective shell.

[0015] Through the technical scheme, the screw rod two is separated from the thread groove one through the tool, meanwhile the screw rod two penetrates the sliding block, when the screw rod two is separated from the sliding block, the sliding block is released, the sliding block is fixed with the protection plate, at this time, the protection plate is rotated to make the sliding block separate from the clamping groove, the protection plate is slid along the sliding groove, and then the protection plate is taken out, dust on the surface of the protection plate is cleaned conveniently, air flow resistance is reduced, and thus the efficiency of the axial flow fan is improved, and the service life of the fan is prolonged.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a rotating rod is rotated through motor, and the thread groove and the clamping groove are set up in the rotating rod respectively, the thread groove is connected with screw thread, the screw rod penetrates the inside of cross -shaped clamping piece, makes cross -shaped clamping piece clamping in the outer wall of clamping groove, and the screw rod passes through the gasket and increases the contact area with cross -shaped clamping piece, and cross -shaped clamping piece drives the fan blade to rotate through fixed column no.

[0018] The utility model discloses a rotating rod is rotated through motor, and the thread groove and the clamping groove are set up in the rotating rod respectively, the thread groove is connected with screw thread, the screw rod penetrates the inside of cross -shaped clamping piece, makes cross -shaped clamping piece clamping in the outer wall of clamping groove, and the screw rod passes through the gasket and increases the contact area with cross -shaped clamping piece, and cross -shaped clamping piece drives the fan blade to rotate through fixed column no. ACCURATE DRAWING

[0019] Figure 1 It is overall structure schematic view of the utility model;

[0020] Figure 2 It is replacement mechanism structure schematic view of the utility model;

[0021] Figure 3 It is fixed column no. Structure schematic view of the utility model;

[0022] Figure 4 It is clamping groove structure schematic view of the utility model;

[0023] Figure 5 It is adjustment mechanism structure schematic view of the utility model;

[0024] Figure 6 It is the utility model Figure 5 It is A part enlarged structure schematic view of the utility model;

[0025] Figure 7 It is protective mechanism structure schematic view of the utility model;

[0026] Figure 8 It is protective mechanism structure schematic view of the utility model Figure 7 It is protective mechanism structure schematic view of the utility model

[0027] Figure 9 It is protective mechanism structure schematic view of the utility model;

[0028] Figure 10 It is protective mechanism structure schematic view of the utility model Figure 9 It is protective mechanism structure schematic view of the utility model

[0029] Main symbol explanation:

[0030] 1, replacement mechanism;101, protective shell;102, support rod;103, fixed column;104, motor;105, rotating rod;106, clamping groove;107, thread groove;108, screw;109, gasket;110, cross clamping block;111, fixed column one;112, fan blade;2, adjusting mechanism;201, fixed block;202, reinforcing plate;203, screw one;204, nut;205, fixed block one;3, protective mechanism;301, sliding groove;302, clamping groove;303, thread groove one;304, screw two;305, sliding block;306, protective plate. Specific implementation

[0031] Next, the utility model is further described in combination with the drawings and specific implementation, and it should be explained that, under the premise of not conflicting, the following described each embodiment or each technical feature between can be arbitrarily combined to form new embodiment.

[0032] Embodiment:

[0033] Please combine Figures 1-10 , the embodiment of the utility model discloses a kind of axial flow fan impeller and axial flow fan, including replacement mechanism 1, adjusting mechanism 2 and protective mechanism 3, adjusting mechanism 2 is located in the outer wall of replacement mechanism 1, protective mechanism 3 is located in the left side of replacement mechanism 1;

[0034] The replacement mechanism 1 comprises a protective shell 101, the inner wall of the protective shell 101 is fixedly connected with a supporting rod 102, the outer wall of the supporting rod 102 is fixedly connected with a fixed column 103, the inside of the fixed column 103 is fixedly connected with a motor 104, the output end of the motor 104 is fixedly connected with a rotating rod 105, the inside of the rotating rod 105 is provided with a clamping groove 106, the inside of the rotating rod 105 is provided with a threaded groove 107, the threaded groove 107 is threadedly connected with a screw rod 108, the right side of the screw rod 108 is in contact with a gasket 109, the right side of the gasket 109 is in contact with a cross clamping block 110, the cross clamping block 110 is in contact with the outer wall of the clamping groove 106, the outer wall of the cross clamping block 110 is fixedly connected with a fixed column 111, and the outer wall of the fixed column 111 is fixedly connected with a fan blade 112.

[0035] The supporting rod 102 is provided with four supporting rods 102, the four supporting rods 102 are centrally and symmetrically arranged around the fixed column 103, and the fan blade 112 is provided with a plurality of fan blades 112.

[0036] The adjusting mechanism 2 comprises a fixed block 201, the outer wall of the fixed block 201 is fixedly connected with a reinforcing plate 202, the inner wall of the fixed block 201 is in contact with a screw rod 203, the screw rod 203 is provided with two screw rods 203, and the two screw rods 203 are centrally and symmetrically arranged around the protective shell 101.

[0037] One end, away from the fixed block 201, of the screw rod 203 is threadedly connected with a nut 204, the outer wall of the screw rod 203 is in contact with a fixed block 205, the fixed block 205 is in contact with the outer wall of the nut 204, and the fixed block 205 is fixedly connected to the outer wall of the protective shell 101.

[0038] The nut 204 is provided with two nuts 204, and the two nuts 204 are centrally and symmetrically arranged around the protective shell 101.

[0039] The protection mechanism 3 comprises a sliding groove 301, the sliding groove 301 is arranged in the inner wall of the protective shell 101, the inner wall of the protective shell 101 is provided with a clamping groove 302, and the inside of the protective shell 101 is provided with a threaded groove 303.

[0040] The threaded groove 303 is threadedly connected with a screw rod 304, the screw rod 304 is threadedly connected with a sliding block 305, the sliding block 305 is in contact with the outer wall of the clamping groove 302, the outer wall of the sliding block 305 is fixedly connected with a protective plate 306, the protective plate 306 is provided with two protective plates 306, and the two protective plates 306 are centrally and symmetrically arranged around the protective shell 101.

[0041] The implementation principle of the axial flow fan impeller and the axial flow fan in the embodiment of the application is as follows: a support rod 102 is fixed on the inner wall of a protective shell 101, the support rod 102 is fixed with a fixed column 103, so as to ensure the stability of the fixed column 103, and a motor 104 is fixed in the fixed column 103, the fixed column 103 protects the motor 104 from being damaged by other factors, and the motor 104 drives a rotating rod 105 to rotate, a threaded groove 107 and a clamping groove 106 are respectively formed in the rotating rod 105, the clamping groove 106 is clamped with a cross clamping block 110, and the threaded groove 107 is screwed with a screw rod 108, the screw rod 108 penetrates the inside of the cross clamping block 110, so that the cross clamping block 110 is clamped on the outer wall of the clamping groove 106, thereby preventing the rotating rod 105 from being separated when rotating, and the screw rod 108 increases the contact area with the cross clamping block 110 through a gasket 109, so that the cross clamping block 110 is clamped more stably and firmly, the cross clamping block 110 drives a fan blade 112 to rotate through a fixed column 111, so as to make the equipment work, when the fan blade 112 needs to be replaced due to damage, the screw rod 108 is disassembled through a tool, so that the cross clamping block 110 is separated from the outer wall of the clamping groove 106, and then the fixed column 111 is taken out by sliding along the outer wall of the clamping groove 106, so that the fan blade can be quickly replaced, the maintenance and repair time can be significantly shortened, the downtime can be reduced, and the working efficiency can be improved, since the disassembly is simple, an operator can quickly replace the blade without complicated disassembly, time waste is reduced, when the screw rod 203 is fixed through a tool, the nut 204 is rotated, the friction between the nut 204 and the fixed block 205 is reduced, the protective shell 101 can be manually adjusted at this time, so that the protective shell 101 can change a certain angle, airflow separation and turbulent flow phenomena are reduced, the passing efficiency of airflow is improved, the overall performance of the fan is improved, energy loss is reduced, the screw rod 304 is separated from the threaded groove 303 through a tool, and the screw rod 304 penetrates the sliding block 305, when the screw rod 304 is separated from the sliding block 305, the sliding block 305 is released, the sliding block 305 is fixed with the protective plate 306, the sliding block 305 is separated from the clamping groove 302 by rotating the protective plate 306 at this time, and the protective plate 306 can be taken out by sliding along the sliding groove 301, so that the surface dust of the protective plate 306 can be cleaned, airflow resistance is reduced, the efficiency of the axial flow fan is improved, and the service life of the fan is prolonged.

[0042] The above embodiment is only a preferred embodiment of the application, and cannot be used to limit the range of protection of the application, and any non-substantial change and replacement made by a person skilled in the art on the basis of the application belongs to the range of protection of the application.

Claims

1. An axial flow fan impeller and an axial flow fan, characterized in that: It includes a replacement mechanism (1), an adjustment mechanism (2) and a protective mechanism (3), wherein the adjustment mechanism (2) is located on the outer wall of the replacement mechanism (1) and the protective mechanism (3) is located on the left side of the replacement mechanism (1); The replacement mechanism (1) includes a protective shell (101), a support rod (102) is fixedly connected to the inner wall of the protective shell (101), a fixing column (103) is fixedly connected to the outer wall of the support rod (102), a motor (104) is fixedly connected inside the fixing column (103), a rotating rod (105) is fixedly connected to the output end of the motor (104), a snap-fit ​​groove (106) is provided inside the rotating rod (105), and a... A threaded groove (107) is threadedly connected to a screw (108). A washer (109) is disposed on the right side of the screw (108). A cross-shaped retaining block (110) is disposed on the right side of the washer (109). The cross-shaped retaining block (110) is disposed on the outer wall of the retaining groove (106). A fixing post (111) is fixedly connected to the outer wall of the cross-shaped retaining block (110). A fan blade (112) is fixedly connected to the outer wall of the fixing post (111).

2. The axial flow fan impeller and axial flow fan as described in claim 1, characterized in that, Four support rods (102) are provided, and the four support rods (102) are symmetrically arranged around the center of the fixed column (103). Several fan blades (112) are provided, and the several fan blades (112) are evenly arranged around the outer wall of the fixed column (111).

3. The axial flow fan impeller and axial flow fan as described in claim 1, characterized in that, The adjustment mechanism (2) includes a fixed block (201), a reinforcing plate (202) is fixedly connected to the outer wall of the fixed block (201), and a screw (203) is provided in contact with the inner wall of the fixed block (201). There are two screws (203), and the two screws (203) are symmetrically arranged around the center of the protective shell (101).

4. The axial flow fan impeller and axial flow fan as described in claim 3, characterized in that, The end of the screw (203) away from the fixing block (201) is threaded with a nut (204). The outer wall of the screw (203) is in contact with the fixing block (205). The fixing block (205) is in contact with the outer wall of the nut (204). The fixing block (205) is fixedly connected to the outer wall of the protective shell (101).

5. An axial flow fan impeller and an axial flow fan as described in claim 4, characterized in that, Two nuts (204) are provided, and the two nuts (204) are symmetrically arranged around the protective shell (101). Two fixing blocks (205) are provided, and the two fixing blocks (205) are symmetrically arranged around the protective shell (101).

6. The axial flow fan impeller and axial flow fan as described in claim 1, characterized in that, The protective mechanism (3) includes a slide groove (301), which is formed on the inner wall of the protective shell (101). The inner wall of the protective shell (101) is provided with a slot (302), and the interior of the protective shell (101) is provided with a threaded groove (303).

7. An axial flow fan impeller and an axial flow fan as described in claim 6, characterized in that, The threaded groove (303) is threadedly connected to the screw rod (304), and the screw rod (304) is threadedly connected to the slider (305). The slider (305) is in contact with the outer wall of the slot (302). The outer wall of the slider (305) is fixedly connected to the protective plate (306). There are two protective plates (306), and the two protective plates (306) are symmetrically arranged around the center of the protective shell (101).

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