CN215409409U - Axial flow fan impeller with spherical hub - Google Patents
Axial flow fan impeller with spherical hub Download PDFInfo
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- CN215409409U CN215409409U CN202121378535.4U CN202121378535U CN215409409U CN 215409409 U CN215409409 U CN 215409409U CN 202121378535 U CN202121378535 U CN 202121378535U CN 215409409 U CN215409409 U CN 215409409U
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Abstract
The utility model provides a spherical hub axial flow fan impeller, which belongs to the technical field of axial flow fan impellers, and comprises an arc-shaped wheel body, wherein the lower end of the arc-shaped wheel body is provided with a device groove, the inner part of the arc-shaped wheel body is provided with an adjusting groove, and the lower inner wall of the adjusting groove is provided with two symmetrically distributed sliding grooves; the device realizes the integral design of the support and the device through the design of the controllable support mechanism, is convenient to control and support flexibly according to use, is designed into a spherical hub, enables the blades to be welded flexibly, is particularly suitable for automatic welding robot operation, improves the production efficiency, reduces the labor intensity and improves the attractiveness of welding seams.
Description
Technical Field
The utility model belongs to the technical field of axial-flow fan impellers, and particularly relates to an axial-flow fan impeller with a spherical hub.
Background
Axial fans are the most common ventilation and air supply equipment in the market at present, and are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings. The axial flow fan mainly comprises a fan impeller, a casing, a motor and the like, wherein the impeller is the most critical part.
In the prior art, a hub in an axial flow fan impeller set is mostly cylindrical, when blades are welded, the positioning position is single, the angle of each blade is not adjustable, the blades are not tightly attached to the hub, and automatic welding is difficult to achieve. According to different requirements, fans of the same type need to be manufactured with various blades, which wastes time and labor, and the fans need to additionally prepare corresponding supports when the blades are welded and disassembled and the impellers are disassembled, so that the fans are inconvenient.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
The utility model aims to provide an axial flow fan impeller with a spherical hub, and aims to solve the problems that most axial flow fans in the prior art are cylindrical and inconvenience is brought to blade welding, and the impeller cannot be supported by itself during installation and welding so that trouble is brought to use.
2. Technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme:
a spherical hub axial flow fan impeller comprising:
the device comprises an arc-shaped wheel body, a device groove is formed in the lower end of the arc-shaped wheel body, an adjusting groove is formed in the arc-shaped wheel body, and two symmetrically-distributed sliding grooves are formed in the lower inner wall of the adjusting groove; and
the controllable support mechanism is arranged in the adjusting groove to flexibly support the whole fan impeller.
As a preferred scheme of the present invention, the controllable intermediate mechanism includes a sliding rod, a worm gear, a worm, a combined screw, two supporting blocks, two driven sliders, two arc-shaped connecting rods, two first hinge brackets, two second hinge brackets and two driving sliders, the sliding rod is fixedly connected between the circumferential inner walls of the adjusting slot, the two driven sliders are both slidably connected to the circumferential surfaces of the sliding rod, the two first hinge brackets are respectively and movably hinged to the lower ends of the two driven sliders through hinge shafts, a small rotating shaft is rotatably connected between the upper and lower inner walls of the adjusting slot, the worm gear is fixedly connected to the circumferential surface of the small rotating shaft, the worm and the combined screw are both rotatably connected to the circumferential inner walls of the adjusting slot, the circumferential surfaces of the worm and the worm gear are engaged, the adjacent ends of the worm and the combined screw are fixedly connected, the two driving sliders are both connected to the circumferential surface of the combined screw through screw rod nut threads, the two second hinge brackets are movably hinged to the lower ends of the two driving sliding blocks through hinge shafts respectively, the two supporting blocks are movably hinged to the lower ends of the two first hinge brackets and the lower ends of the two second hinge brackets through hinge shafts respectively, the two arc-shaped connecting rods are fixedly connected to the upper ends of the driven sliding block and the driving sliding block which are located on the same side respectively, and the two supporting blocks are connected in the two sliding grooves in a sliding mode respectively.
As a preferable scheme of the present invention, the lower end of the small rotating shaft movably penetrates through the upper inner wall of the device groove and extends downward, the lower end of the small rotating shaft is fixedly connected with a knob, and a plurality of finger grooves are uniformly distributed on the circumferential surface of the knob.
As a preferable scheme of the utility model, the upper inner wall of the device groove is fixedly connected with a motor pipe shaft, and the circumferential inner wall of the motor pipe shaft is provided with an insertion groove.
As a preferable scheme of the present invention, an installation ring is sleeved on the upper portion of the circumferential surface of the arc-shaped wheel body, and a plurality of uniformly distributed hexagon screws are fixedly connected to the circumferential surface of the installation ring.
As a preferable aspect of the present invention, a cowl is fixedly connected to an upper end of the mount ring.
As a preferable aspect of the present invention, the circumferential surface of the arc wheel body is fixedly connected with a plurality of uniformly distributed blades.
3. Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model takes the arc wheel body as a design base body, the inner part of the arc wheel body is provided with the adjusting groove, the flexible operation support of the whole device is realized through the controllable bracket mechanism in the adjusting groove, the mechanism is communicated with the device groove and the outer part through the two sliding grooves, the two supporting blocks in the mechanism can slide in the two sliding grooves, when in use, the device extends out of the groove of the device to realize integral balanced support, when not in use, the device is accommodated into the two sliding grooves as far as possible without generating use influence on the installation and rotation of the whole fan, the device realizes the integral design of the bracket and the device through the design of the controllable bracket mechanism, is convenient for flexibly controlling the support according to use, and the device is designed into a spherical hub, so that the blades can be flexibly welded, the device is particularly suitable for automatic welding robot operation, the production efficiency is improved, the labor intensity is reduced, and the attractiveness of a welding line is improved.
2. According to the utility model, the cylindrical hub is changed into the spherical hub, the blades can be flexibly welded according to the principle that the arc lengths of all parts of the cambered surface are the same, the multi-angle random adjustment is realized, simultaneously, the radian of the roots of the blades is the same as that of the spherical surface of the hub, the blade is tightly attached, the blade is suitable for automatic welding robot operation, the production efficiency is improved, the labor intensity is reduced, the attractiveness of a welding line is improved, and the labor cost is reduced. In the manufacturing process of the spherical hub, a reinforcing plate is welded at the center of the hub, and the reinforcing plate can play a role in reinforcing and fixing the shaft sleeve. The edge of the hub is turned over, so that the hub is further strengthened, and the design improves the performance of the whole fan.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
fig. 4 is a partial enlarged view of the utility model at a in fig. 3.
In the figure: 1. an arc wheel body; 2. a cowling; 3. a blade; 4. a mounting ring; 5. a hex screw; 6. a motor tubular shaft; 7. a knob; 8. a chute; 9. a support block; 10. an adjustment groove; 11. a slide bar; 12. a driven slider; 13. an arc-shaped connecting rod; 14. a first hinge bracket; 15. a worm gear; 16. a second hinge bracket; 17. a worm; 18. a combination screw; 19. and a driving slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "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.
Example (b):
referring to fig. 1-4, the present invention provides the following technical solutions:
a spherical hub axial flow fan impeller comprising:
the device comprises an arc-shaped wheel body 1, wherein a device groove is formed in the lower end of the arc-shaped wheel body 1, an adjusting groove 10 is formed in the arc-shaped wheel body 1, and two symmetrically-distributed sliding grooves 8 are formed in the lower inner wall of the adjusting groove 10; and
the controllable support mechanism is arranged in the adjusting groove 10 to flexibly support the whole fan impeller.
In this embodiment: the arc-shaped wheel body 1 is taken as a design base body, an adjusting groove 10 is arranged in the arc-shaped wheel body, the flexible operation support of the whole device is realized through an operable support frame mechanism in the adjusting groove 10, the mechanism is communicated with the device groove and the outside through two sliding grooves 8, two supporting blocks 9 in the mechanism can slide in the two sliding grooves 8, when in use, the device extends out of the groove of the device to realize integral balanced support, when not in use, the device is accommodated into the two sliding grooves 8 as far as possible without generating use influence on the installation and rotation of the whole fan, the device realizes the integral design of the bracket and the device through the design of the controllable bracket mechanism, is convenient for flexibly controlling the support according to use, and the device is designed into a spherical hub, so that the blades 3 can be flexibly welded, the device is particularly suitable for automatic welding robot operation, the production efficiency is improved, the labor intensity is reduced, and the attractiveness of a welding seam is improved.
Specifically, referring to fig. 2, 3 and 4, the controllable intermediate mechanism includes a sliding rod 11, a worm wheel 15, a worm 17, a combined screw 18, two supporting blocks 9, two driven sliders 12, two arc-shaped connecting rods 13, two first hinge brackets 14, two second hinge brackets 16 and two driving sliders 19, the sliding rod 11 is fixedly connected between the circumferential inner walls of the adjusting groove 10, the two driven sliders 12 are both slidably connected to the circumferential surface of the sliding rod 11, the two first hinge brackets 14 are respectively and movably hinged to the lower ends of the two driven sliders 12 through hinge shafts, a small rotating shaft is rotatably connected between the upper and lower inner walls of the adjusting groove 10, the worm wheel 15 is fixedly connected to the circumferential surface of the small rotating shaft, the worm 17 and the combined screw 18 are both rotatably connected to the circumferential inner wall of the adjusting groove 10, the circumferential surfaces of the worm 17 and the worm wheel 15 are engaged, the approaching ends of the worm 17 and the combined screw 18 are fixedly connected, the two driving sliding blocks 19 are connected to the circumferential surface of the combined screw 18 through lead screw nuts in a threaded manner, the two second hinge brackets 16 are respectively and movably hinged to the lower ends of the two driving sliding blocks 19 through hinge shafts, the two supporting blocks 9 are respectively and movably hinged to the lower ends of the two first hinge brackets 14 and the lower ends of the two second hinge brackets 16 through hinge shafts, the two arc-shaped connecting rods 13 are respectively and fixedly connected to the upper ends of the driven sliding block 12 and the driving sliding block 19 which are located on the same side, and the two supporting blocks 9 are respectively and slidably connected into the two sliding grooves 8.
In this embodiment: the controllable support mechanism drives the integrated worm 17 and the combined screw 18 to rotate through the rotation transmission of the worm wheel 15, the combined screw 18 is designed to be formed by combining screws with two reverse threads, the combined screw can drive two driving sliders 19 to move oppositely when rotating, and then two second hinge brackets 16 hinged below are driven to drive the supporting block 9 to move up and down, meanwhile, the two driving sliders 19 are driven to move through the connection of two arc-shaped connecting rods 13, two driven sliders 12 are driven to synchronously slide on the circumferential surface of the sliding rod 11, and then two first hinge brackets 14 are driven to drive the supporting block 9 below to move up and down, the two first hinge brackets 14 and the two second hinge brackets 16 are symmetrically designed, a balance box for supporting the two supporting blocks 9 is guaranteed, and the operation of the whole mechanism is simple and convenient.
Specifically, referring to fig. 2, the lower end of the small rotating shaft movably penetrates through the upper inner wall of the device groove and extends downward, the lower end of the small rotating shaft is fixedly connected with a knob 7, and a plurality of finger grooves are uniformly distributed on the circumferential surface of the knob 7.
In this embodiment: the design of the knob 7 is convenient for operation and use, the operator can conveniently realize the rotation transmission of the mechanism from the outside of the device, and the design of the plurality of finger grooves on the circumferential surface of the knob 7 enhances the comfort of use and operation.
Specifically, referring to fig. 2, the upper inner wall of the device groove is fixedly connected with a motor pipe shaft 6, and the circumferential inner wall of the motor pipe shaft 6 is provided with an insertion groove.
In this embodiment: the design of motor tubular shaft 6 is to the installation nature of whole fan rotation operation, and the grafting of the motor of being convenient for is fixed to realize whole rotation through the motor operation.
Specifically, referring to fig. 1, an installation ring 4 is sleeved on the upper portion of the circumferential surface of the arc-shaped wheel body 1, and a plurality of uniformly distributed hexagon screws 5 are fixedly connected to the circumferential surface of the installation ring 4.
In this embodiment: the design of collar 4 is convenient for the installation of the radome fairing 2 of top and is dismantled, and a plurality of hex bolts 5 evenly distributed have strengthened the stability of installation.
Specifically, referring to fig. 2, the fairing 2 is fixedly connected to the upper end of the mounting ring 4.
In this embodiment: the design of radome 2 is to the high quality nature of whole fan operation, improves wheel hub intensity when reducing air resistance, promotes the performance of fan.
Specifically, referring to fig. 1 or fig. 2, a plurality of uniformly distributed blades 3 are fixedly connected to the circumferential surface of the arc-shaped wheel body 1.
In this embodiment: a plurality of blades 3 are the main part of whole fan, and high-speed rotation can realize the wind speed that flows, and then realize the function of whole fan, and because spherical wheel hub's design, according to the principle that each position arc length on the sphere is all the same, can realize nimble welding, the multi-angle is adjusted wantonly, and root radian can be the same with wheel hub sphere radian and laminate tightly, is fit for automatic weld robot operation, can improve production efficiency.
The working principle and the using process of the utility model are as follows: when the device is used, a user can rotate the knob 7 to drive the worm wheel 15 to rotate, the worm wheel 15 is meshed with the worm to drive the worm 17 to rotate, so that the combined screw 18 rotates, the two driving sliders 19 move close to each other in the rotating process of the combined screw 18, the two driven sliders 12 are driven to synchronously slide on the circumferential surface of the slide rod 11 through the two arc-shaped connecting rods 13, the two first hinge frames 14 and the two second hinge frames 16 which are hinged below drive the two supporting blocks 9 to move downwards, the whole device is supported, when the device is not needed to be used, the knob 7 is reversely rotated to withdraw the two supporting blocks 9 into the two sliding grooves 8, the use of the whole fan impeller is not influenced, the device realizes the integral design of the bracket and the device through the design of the controllable bracket mechanism, the flexible control and support according to the use are convenient, and the device is designed into a spherical hub, the blade 3 can be flexibly welded, is particularly suitable for operation of an automatic welding robot, improves the production efficiency, reduces the labor intensity and improves the attractiveness of welding seams.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a spherical wheel hub axial fan impeller which characterized in that includes:
the device comprises an arc-shaped wheel body (1), wherein the lower end of the arc-shaped wheel body (1) is provided with a device groove, an adjusting groove (10) is formed in the arc-shaped wheel body (1), and the lower inner wall of the adjusting groove (10) is provided with two sliding grooves (8) which are symmetrically distributed; and
the controllable support mechanism is arranged in the adjusting groove (10) to flexibly support the whole fan impeller.
2. The axial flow fan impeller with a spherical hub of claim 1, wherein: the controllable intermediate mechanism comprises a sliding rod (11), a worm wheel (15), a worm (17), a combined screw (18), two supporting blocks (9), two driven sliding blocks (12), two arc-shaped connecting rods (13), two first hinged brackets (14), two second hinged brackets (16) and two driving sliding blocks (19), the sliding rod (11) is fixedly connected between the circumferential inner walls of the adjusting groove (10), the two driven sliding blocks (12) are both connected to the circumferential surface of the sliding rod (11) in a sliding manner, the two first hinged brackets (14) are respectively and movably hinged to the lower ends of the two driven sliding blocks (12) through hinged shafts, a small rotating shaft is rotatably connected between the upper inner wall and the lower inner wall of the adjusting groove (10), the worm wheel (15) is fixedly connected to the circumferential surface of the small rotating shaft, and the worm (17) and the combined screw (18) are both rotatably connected to the circumferential inner walls of the adjusting groove (10), the worm (17) is meshed with the circumferential surface of the worm wheel (15), the worm (17) is fixedly connected with the combined screw rod (18) close to each other, the two driving sliding blocks (19) are both connected to the circumferential surface of the combined screw rod (18) through screw threads of a lead screw nut, the two second hinge brackets (16) are respectively and movably hinged to the lower ends of the two driving sliding blocks (19) through hinge shafts, the two supporting blocks (9) are respectively and movably hinged to the lower ends of the two first hinge brackets (14) and the two second hinge brackets (16) through hinge shafts, the two arc-shaped connecting rods (13) are respectively and fixedly connected to the upper ends of the driven sliding block (12) and the driving sliding block (19) which are positioned on the same side, and the two supporting blocks (9) are respectively and slidably connected into the two sliding grooves (8).
3. The axial flow fan impeller with a spherical hub of claim 2, wherein: the lower end of the small rotating shaft movably penetrates through the upper inner wall of the device groove and extends downwards, the lower end of the small rotating shaft is fixedly connected with a knob (7), and a plurality of finger grooves which are uniformly distributed are formed in the circumferential surface of the knob (7).
4. The axial flow fan impeller with a spherical hub according to claim 3, characterized in that: the device is characterized in that a motor pipe shaft (6) is fixedly connected to the upper inner wall of the device groove, and a splicing groove is formed in the circumferential inner wall of the motor pipe shaft (6).
5. The axial flow fan impeller with a spherical hub of claim 4, wherein: arc wheel body (1) circumference surface upper portion cover is equipped with collar (4), the circumference fixed surface of collar (4) is connected with a plurality of evenly distributed's hexagon screw (5).
6. The axial flow fan impeller with a spherical hub according to claim 5, characterized in that: the upper end of the mounting ring (4) is fixedly connected with a fairing (2).
7. The axial flow fan impeller with a spherical hub of claim 6, wherein: the circumference surface of the arc wheel body (1) is fixedly connected with a plurality of uniformly distributed blades (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121378535.4U CN215409409U (en) | 2021-06-21 | 2021-06-21 | Axial flow fan impeller with spherical hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121378535.4U CN215409409U (en) | 2021-06-21 | 2021-06-21 | Axial flow fan impeller with spherical hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215409409U true CN215409409U (en) | 2022-01-04 |
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ID=79640649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121378535.4U Active CN215409409U (en) | 2021-06-21 | 2021-06-21 | Axial flow fan impeller with spherical hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215409409U (en) |
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2021
- 2021-06-21 CN CN202121378535.4U patent/CN215409409U/en active Active
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