CN115324930B

CN115324930B - Fan blade of axial flow fan

Info

Publication number: CN115324930B
Application number: CN202211137661.XA
Authority: CN
Inventors: 谢学敏; 李俞; 林金强
Original assignee: Guangdong Zhaoqing Deton Co ltd
Current assignee: Guangdong Zhaoqing Deton Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-04-07
Anticipated expiration: 2042-09-19
Also published as: CN115324930A

Abstract

The invention discloses a fan blade of an axial flow fan, which comprises a connecting shell, wherein six inserting grooves are formed in the upper end of the connecting shell at equal intervals, a connecting cover is connected to the outer surface of the upper part of the connecting shell in an inserting manner, six positioning rods are jointly connected between the connecting cover and the connecting shell in an inserting manner at equal intervals, six connecting rods are fixedly connected to the lower end of the connecting cover at equal intervals, pressing blocks are fixedly connected to the lower ends of the six connecting rods, a limiting column is fixedly connected to the middle part of the inner shell wall and the lower shell wall of the connecting shell, six clamping devices are movably connected to the outer surface of the limiting column in an inserting manner at equal intervals, the six clamping devices penetrate through the outer surface of the limiting column and extend into the limiting column, six fan blade devices are fixedly connected to the outer surface of the connecting shell in an inserting manner at equal intervals, and connecting columns are fixedly connected to the outer surfaces of the fan blade devices in an inserting manner. The fan blade of the axial flow fan improves the stability of the fan blade, and is convenient to mount and dismount, so that the fan blade is convenient to transport and replace.

Description

Fan blade of axial flow fan

Technical Field

The invention relates to the technical field of axial flow fans, in particular to a fan blade of an axial flow fan.

Background

The axial flow fan is a device which is driven by electricity to generate air flow, a fan arranged in the axial flow fan is electrified and then rotates to form natural wind to achieve the effect of ventilation, the axial flow fan mainly comprises a machine head, blades, a mesh enclosure, a control device and other parts, and is widely used for drying after cleaning the ground, communication cable maintenance, sewer or underground operation and occasions where relative air is not circulated, and the fan can be matched with a special ventilation hose to plug into the device for remote air draft and ventilation.

However, the following problems still exist with the prior art devices: 1. the existing device has poor fixing effect on the fan blade, thereby influencing the stability of the fan blade during rotation; 2. the existing fan blades cannot be quickly mounted and dismounted, so that the fan blades are inconvenient to package and transport and damaged fan blades are inconvenient to replace; 3. the fixing effect of the existing device and the rotating shaft of the driver is poor, so that the using effect of the equipment is influenced.

Disclosure of Invention

The invention mainly aims to provide a fan blade of an axial flow fan, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a fan blade of axial fan, includes the connection shell, the equidistant slot of wearing has been opened to connection shell upper end equidistance, connection shell upper portion surface alternates and is connected with the connection lid, equidistant common interlude is connected with six locating levers between connection lid and the connection shell, connect six connecting rods of cover lower extreme equidistance fixedly connected with, and six equal fixedly connected with compact heap of connecting rod lower extreme, the spacing post of inferior valve wall middle part fixedly connected with in the connection shell, spacing post surface equidistance activity interlude is connected with six clamping device, and six clamping device all run through spacing post surface and extend to spacing post in, six flabellum devices of connection shell surface equidistance fixed interlude are connected with, the equal fixed interlude of flabellum device surface is connected with the spliced pole, and common fixedly connected with dead lever between six spliced poles, connection shell lower extreme middle part fixedly connected with stabilizator pipe, six stiffeners of steady pipe upper portion surface equidistance fixedly connected with, and six stiffener upper ends all with connection shell fixed connection together.

Preferably, the flabellum device is including the interlude post, interlude post left end middle part alternates and is connected with the threaded rod, the threaded rod right part is run through and is alternated post right-hand member middle part and threaded interlude is connected with fastening nut, threaded rod left end fixedly connected with connecting block, connecting block left end middle part fixedly connected with flabellum structure, the interlude post links together with the fixed interlude of connecting shell.

Preferably, the threaded rod right part is located the connecting shell, the fastening nut left end is hugged closely together with the connecting shell inner wall, the penetrating column left part surface is in the same place with the spliced pole fixed interlude is connected.

Preferably, the fan blade structure includes the flabellum body, three installation piece has all been hugged closely with lower extreme right part on the flabellum body, and six installation pieces all with the flabellum body between alternate jointly and be connected with two installation poles, the common fixedly connected with fixed column of installation piece right-hand member, the fixed column is in the same place with connecting block fixed connection.

Preferably, clamping device is including pressing from both sides tight piece, press from both sides tight piece left end upper portion and the equal fixedly connected with movable rod in left end lower part, and two movable rods keep away from the common fixedly connected with connecting plate of the one end that presss from both sides tight piece, the spring has all been cup jointed to the movable rod surface, connecting plate left end lower part fixedly connected with supporting mechanism, the movable rod all links together with spacing post activity interlude.

Preferably, the clamping block is located in the limiting column, and the right end of the supporting mechanism is fixedly connected with the outer surface of the limiting column in a penetrating mode.

Preferably, the supporting mechanism comprises a base, a sliding groove is formed in the right part of the upper end of the base, a sliding rod is movably and alternately connected to the left part of the sliding groove, a supporting block is fixedly connected to the upper end of the sliding rod, a push rod is fixedly connected to the middle of the right end of the sliding rod, and the lower end of the base is fixedly connected to the inner lower shell wall of the connecting shell.

Preferably, the push rod is fixedly connected with the connecting plate, and the supporting block is tightly attached to the threaded rod.

Preferably, the connecting cover comprises a cover body, a fixing plate is fixedly connected to the middle of the lower end of the cover body, six inserting rods are fixedly connected to the outer surface of the fixing plate at equal intervals, a penetrating groove is formed in the middle of the upper end of the cover body and the middle of the lower end of the fixing plate, and the cover body and the outer surface of the connecting shell are connected in a penetrating mode.

Preferably, the fixed plate is connected with the connecting shell in an inserting mode, the fixed plate is fixedly connected with the six connecting rods, and the six inserting rods are respectively connected with the six inserting grooves in an inserting mode.

Compared with the prior art, the invention has the following beneficial effects:

1. after the fan blade device is installed, the connecting cover is connected with the connecting shell in an inserting mode, the connecting cover drives the connecting rod to penetrate into the connecting shell in an inserting mode, so that the pressing block is attached to the outer surface of the right portion of the upper end of the threaded rod tightly, the connecting plate can push the push rod to move when moving, the push rod pushes the sliding rod to slide in the sliding groove, the sliding rod drives the supporting block to move to the right portion of the lower end of the threaded rod, the threaded rod can be supported, the threaded rod is clamped through the pressing block and the supporting block, the fixing effect of the fan blade device is improved, and the stability of the fan blade device is improved.

2. Through rotating fastening nut for fastening nut breaks away from with the threaded rod, and the pulling makes the threaded rod shift out in alternating the post, through setting up the installation pole, thereby makes things convenient for the flabellum body to dismantle from between the installation piece, thereby makes the flabellum install and dismantle fast, and the packing and the transportation of the equipment of being convenient for are conveniently changed the flabellum that has the damage simultaneously.

3. Through setting up clamping device, the axis of rotation with the driver runs through spacing post from the lower extreme of stabilizator pipe, and run through the cross slot, can hug closely together with six tight piece of clamp when the axis of rotation of driver alternates in spacing post, and six tight pieces of clamp of extrusion, make the clamp remove, it can promote two movable rods and slide in spacing post to press from both sides tight piece when removing, thereby make the spring extend, thereby make six tight pieces of clamp can press from both sides the fastening to the axis of rotation of driver, the stability that the device is connected with the driver has been improved, make the driver rotatory of drive arrangement that can be more stable.

Drawings

Fig. 1 is an overall structural view of a fan blade of an axial flow fan according to the present invention;

FIG. 2 is a bottom view of the overall structure of a fan blade of an axial flow fan according to the present invention;

FIG. 3 is a view of a mounting structure of a fan blade of an axial flow fan according to the present invention;

fig. 4 is a structural view of a blade device of a blade of an axial flow fan according to the present invention;

fig. 5 is a structural diagram of a blade structure of a blade of an axial flow fan according to the present invention;

fig. 6 is a structural view of a clamping device for fan blades of an axial flow fan according to the present invention;

fig. 7 is a structural view of a supporting mechanism of a fan blade of an axial flow fan according to the present invention;

fig. 8 is a bottom view of a connecting cover structure of a fan blade of an axial flow fan according to the present invention;

fig. 9 is a sectional view of the connection between the connection shell and the rotating shaft of the fan blade of the axial flow fan according to the present invention.

In the figure: 1. a connecting shell; 2. inserting the slot; 3. a connecting cover; 4. positioning a rod; 5. a limiting post; 6. a clamping device; 7. a fan blade device; 8. connecting columns; 9. fixing the rod; 10. a connecting rod; 11. a compression block; 12. a stabilizer tube; 13. a reinforcing block; 71. inserting the column; 72. a threaded rod; 73. connecting blocks; 74. a fan blade structure; 75. fastening a nut; 741. a fan blade body; 742. mounting blocks; 743. mounting a rod; 744. fixing a column; 61. a clamping block; 62. a movable rod; 63. a connecting plate; 64. a spring; 65. a support mechanism; 651. a base; 652. a chute; 653. a slide bar; 654. a supporting block; 655. a push rod; 31. a cover body; 32. a fixing plate; 33. inserting the rod; 34. penetrating a groove; 14. and rotating the shaft.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-9, a fan blade of an axial flow fan comprises a connecting shell 1, six insertion slots 2 are formed in the upper end of the connecting shell 1 at equal intervals, a connecting cover 3 is connected to the outer surface of the upper portion of the connecting shell 1 in an inserting manner, six positioning rods 4 are connected between the connecting cover 3 and the connecting shell 1 in an equal interval and in an inserting manner, six connecting rods 10 are fixedly connected to the lower end of the connecting cover 3 at equal intervals and in a fixed manner, pressing blocks 11 are fixedly connected to the lower ends of the six connecting rods 10, a limiting column 5 is fixedly connected to the middle portion of the inner lower shell wall of the connecting shell 1 in a fixed manner, six clamping devices 6 are movably connected to the outer surface of the limiting column 5 in an equal interval and in a movable manner, the six clamping devices 6 penetrate through the outer surface of the limiting column 5 and extend into the limiting column 5, six fan blade devices 7 are fixedly connected to the outer surface of the connecting shell 1 in an equal interval and in an inserting manner, connecting columns 8 are fixedly connected to the fixing rods 9 in a fixed manner, a stabilizing pipe 12 is fixedly connected to the middle portion of the lower end of the connecting shell 1 in an equal interval and six reinforcing blocks 13 are fixedly connected to the upper portion of the stabilizing pipe 12 in an equal interval and fixedly connected to the connecting shell 1.

The fan blade device 7 comprises a penetration column 71, a threaded rod 72 is penetratingly connected to the middle of the left end of the penetration column 71 in a penetrating manner, the penetration column 71 and the threaded rod 72 are movably penetratingly connected so as to be convenient to install and detach, the right portion of the threaded rod 72 penetrates through the middle of the right end of the penetration column 71 and is threadedly penetratingly connected with a fastening nut 75, the threaded rod 72 can be fixed by arranging the fastening nut 75, a connecting block 73 is fixedly connected to the left end of the threaded rod 72, a fan blade structure 74 is fixedly connected to the middle of the left end of the connecting block 73, and the penetration column 71 and the connecting shell 1 are fixedly connected in a penetrating manner; the right part of the threaded rod 72 is positioned in the connecting shell 1, the left end of the fastening nut 75 is tightly attached to the inner wall of the connecting shell 1, and the outer surface of the left part of the insertion column 71 is fixedly and alternately connected with the connecting column 8; the fan blade structure 74 comprises a fan blade body 741, three mounting blocks 742 are respectively and tightly attached to the right portion of the upper end and the right portion of the lower end of the fan blade body 741, the stability of mounting of the fan blade body 741 is improved by the arrangement of the six mounting blocks 742, two mounting rods 743 are jointly and alternately connected between the six mounting blocks 742 and the fan blade body 741, the fan blade body 741 can be conveniently detached from the mounting blocks 742 by the arrangement of the mounting rods 743, a fixing column 744 is jointly and fixedly connected to the right end of the mounting blocks 742, and the fixing column 744 is fixedly connected to the connecting block 73; the clamping device 6 comprises a clamping block 61, the rotating shaft 14 can be clamped by arranging the clamping block 61, the upper part of the left end and the lower part of the left end of the clamping block 61 are fixedly connected with movable rods 62, one ends of the two movable rods 62 far away from the clamping block 61 are fixedly connected with a connecting plate 63 together, the outer surface of each movable rod 62 is sleeved with a spring 64, the lower part of the left end of the connecting plate 63 is fixedly connected with a supporting mechanism 65, and the movable rods 62 are movably connected with the limiting column 5 in an inserting way; the clamping block 61 is positioned in the limiting column 5, and the right end of the supporting mechanism 65 is fixedly connected with the outer surface of the limiting column 5 in a penetrating manner; the supporting mechanism 65 comprises a base 651, a chute 652 is formed in the right portion of the upper end of the base 651, a sliding rod 653 is movably inserted and connected into the left portion of the chute 652, a supporting block 654 is fixedly connected to the upper end of the sliding rod 653, a push rod 655 is fixedly connected to the middle portion of the right end of the sliding rod 653, and the lower end of the base 651 is fixedly connected with the inner lower shell wall of the connecting shell 1; the pushing rod 655 is fixedly connected with the connecting plate 63, so that the pushing rod 655 can be driven to move when the connecting plate 63 moves, and the supporting block 654 is tightly attached to the threaded rod 72, so that the threaded rod 72 can be supported; the connecting cover 3 comprises a cover body 31, the middle part of the lower end of the cover body 31 is fixedly connected with a fixing plate 32, six insertion rods 33 are fixedly connected to the outer surface of the fixing plate 32 at equal intervals, the middle part of the upper end of the cover body 31 and the middle part of the lower end of the fixing plate 32 are jointly provided with a through groove 34, and the cover body 31 and the outer surface of the connecting shell 1 are connected together in an insertion way; the fixing plate 32 is inserted into the connecting shell 1, the fixing plate 32 is fixedly connected with six connecting rods 10, and the six insertion rods 33 are respectively inserted into the six insertion slots 2.

It should be noted that, the invention is a fan blade of an axial flow fan, a threaded rod 72 is inserted through the right end of the insertion column 71, the connecting block 73 fixedly connected with the connecting block is tightly attached to the penetrating column 71 and then fixed by the fastening nut 75, the cover body 31 is penetrated and connected with the upper part of the connecting shell 1, so that the fixing plate 32 fixedly connected with the cover body 31 is inserted into the upper part in the connecting shell 1, the inserting rod 33 fixedly connected with the fixing plate 32 is inserted into the inserting slot 2, the cover body 31 is fixed with the connecting shell 1 by six positioning rods 4, meanwhile, the connecting cover 3 can drive the connecting rod 10 fixedly connected with the connecting cover to be inserted in the connecting shell 1 when being inserted and connected with the connecting shell 1, so that the pressing block 11 fixedly connected with the connecting rod 10 is tightly attached to the outer surface of the right part of the upper end of the threaded rod 72, the rotating shaft 14 of the driver penetrates through the limiting column 5 from the lower end of the stabilizing pipe 12 and penetrates through the through groove 34, when the rotating shaft 14 of the driver is inserted into the limiting column 5, the six clamping blocks 61 are tightly attached together, and the six clamping blocks 61 are pressed, so that the clamping blocks 61 move, when moving, the clamping blocks 61 push the two movable rods 62 fixedly connected with the clamping blocks to slide in the limiting columns 5, the two movable rods 62 push the connecting plates 63 fixedly connected with the clamping blocks together, so that the connecting plate 63 pushes the push rod 655 fixedly connected with the connecting plate to move, the push rod 655 pushes the sliding rod 653 fixedly connected with the connecting plate to slide in the sliding chute 652, and the slide rod 653 drives the supporting block 654 fixedly connected with the slide rod to move to the right part of the lower end of the threaded rod 72, the threaded rod 72 can thus be supported, so that the threaded rod 72 is clamped by the pressure block 11 and the support block 654, and the stability of the fan blade arrangement 7 is increased.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fan blade of axial fan, includes connecting shell (1), its characterized in that: connect shell (1) upper end equidistance to open there are six to wear slot (2), connect shell (1) upper portion surface interlude is connected with and connects lid (3), connect lid (3) and be connected between shell (1) equidistance interlude jointly and be connected with six locating levers (4), connect six connecting rods (10) of lid (3) lower extreme equidistance fixedly connected with, and six connecting rods (10) equal fixedly connected with compact heap (11) of lower extreme, connect shell (1) interior lower casing wall middle part fixedly connected with spacing post (5), spacing post (5) surface equidistance activity interlude is connected with six clamping device (6), and six clamping device (6) all run through spacing post (5) surface and extend to in spacing post (5), connect shell (1) surface fixed interlude is connected with six flabellum devices (7), flabellum device (7) surface equal fixed interlude is connected with spliced pole (8), and six spliced poles (8) between common fixedly connected with dead lever (9), connect shell (1) lower extreme middle part fixedly connected with and stabilize pipe (12), it strengthens piece (13) to stabilize pipe (12) upper portion fixed connection to connect together equidistance upper portion fixed joint (13) and strengthen piece (13) equal fixed connection piece (13).

2. The fan blade of the axial flow fan according to claim 1, wherein: fan blade device (7) are including interlude post (71), interlude post (71) left end middle part alternates and is connected with threaded rod (72), threaded rod (72) right part is run through and is interlude post (71) right-hand member middle part and threaded interlude and be connected with fastening nut (75), threaded rod (72) left end fixedly connected with connecting block (73), connecting block (73) left end middle part fixedly connected with fan blade structure (74), it links together with connecting shell (1) fixed interlude to alternate post (71).

3. The fan blade of the axial flow fan according to claim 2, wherein: the right part of the threaded rod (72) is positioned in the connecting shell (1), the left end of the fastening nut (75) is tightly attached to the inner wall of the connecting shell (1), and the outer surface of the left part of the inserting column (71) is fixedly inserted and connected with the connecting column (8).

4. The impeller of the axial flow fan according to claim 2, wherein: the fan blade structure (74) comprises a fan blade body (741), the right portion of the upper end of the fan blade body (741) and the right portion of the lower end of the fan blade body (741) are tightly attached to three mounting blocks (742), two mounting rods (743) are connected between the six mounting blocks (742) and the fan blade body (741) in a penetrating mode, fixing columns (744) are fixedly connected to the right end of the mounting blocks (742) jointly, and the fixing columns (744) are fixedly connected with the connecting block (73) together.

5. The fan blade of the axial flow fan according to claim 1, wherein: clamping device (6) are including pressing from both sides tight piece (61), press from both sides tight piece (61) left end upper portion and the equal fixedly connected with movable rod (62) in left end lower part, and two movable rods (62) keep away from the common fixedly connected with connecting plate (63) of one end of pressing from both sides tight piece (61), spring (64) have all been cup jointed to movable rod (62) surface, connecting plate (63) left end lower part fixedly connected with supporting mechanism (65), movable rod (62) all link together with spacing post (5) activity interlude.

6. The fan blade of the axial flow fan as claimed in claim 5, wherein: the clamping block (61) is positioned in the limiting column (5), and the right end of the supporting mechanism (65) is fixedly, alternately and integrally connected with the outer surface of the limiting column (5).

7. The fan blade of the axial flow fan as claimed in claim 5, wherein: the supporting mechanism (65) comprises a base (651), a sliding groove (652) is formed in the right portion of the upper end of the base (651), a sliding rod (653) is movably connected to the left portion of the inside of the sliding groove (652) in an inserting mode, a supporting block (654) is fixedly connected to the upper end of the sliding rod (653), a pushing rod (655) is fixedly connected to the middle of the right end of the sliding rod (653), and the lower end of the base (651) is fixedly connected with the inner lower shell wall of the connecting shell (1).

8. The impeller of the axial flow fan according to claim 7, wherein: the push rod (655) is fixedly connected with the connecting plate (63), and the supporting block (654) is tightly attached to the threaded rod (72).

9. The fan blade of the axial flow fan according to claim 1, wherein: connect lid (3) including lid (31), lid (31) lower extreme middle part fixedly connected with fixed plate (32), six interlude poles (33) of fixed plate (32) surface equidistance fixedly connected with, lid (31) upper end middle part and fixed plate (32) lower extreme middle part are opened jointly and are worn groove (34), lid (31) link together with the interlude of connecting shell (1) surface.

10. The fan blade of the axial flow fan as claimed in claim 9, wherein: the fixed plate (32) is connected with the connecting shell (1) in an inserting mode, the fixed plate (32) is fixedly connected with six connecting rods (10), and the inserting rods (33) are connected with six inserting grooves (2) in an inserting mode respectively.