CN213684684U - One-step formed cast aluminum fan blade of flow-gathering tail wing of ventilator for livestock and poultry houses - Google Patents
One-step formed cast aluminum fan blade of flow-gathering tail wing of ventilator for livestock and poultry houses Download PDFInfo
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- CN213684684U CN213684684U CN202022877355.2U CN202022877355U CN213684684U CN 213684684 U CN213684684 U CN 213684684U CN 202022877355 U CN202022877355 U CN 202022877355U CN 213684684 U CN213684684 U CN 213684684U
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Abstract
The utility model relates to the technical field of fan blades, and disclose a poultry house ventilation blower gathers a class fin one shot forming and casts aluminium flabellum, solved current one shot forming flabellum and also can not refine the design to the flabellum shape yet, it has vibrations big, the power consumption is many and the problem of assembling the easy not hard up scheduling defect of structure in the use, it includes the fan hub, the outer wall equidistance fixed mounting of fan hub has the flabellum, and the top of flabellum is formed with the fan root, and the middle part of flabellum has formed flabellum convex arc, flabellum concave arc and fan tail concave arc in proper order, and the bottom of flabellum has formed flabellum tail point and fan tail convex arc, and the back of flabellum and front form fan blade back and flabellum face respectively, and the outside of fan blade back forms fan root back arc, and; the utility model has the advantages of small wind resistance and large air quantity because the fan hub is cast by aluminum alloy for one-time forming, reduced fan installation cost, prolonged service life, energy conservation and high efficiency; this flabellum installation is convenient, firm.
Description
Technical Field
The utility model belongs to the technical field of the flabellum, specifically be animal and poultry house ventilation blower gathers a class fin one shot forming and casts aluminium flabellum.
Background
Livestock and poultry breeding industry in China is rapidly developed in recent years, so far, a plurality of livestock and poultry farms are developed into modern automatic intensive farms, and ventilation equipment of livestock and poultry houses in the farms is widely applied; the existing ventilator fan blades for the livestock and poultry houses are mostly formed by rolling metal plates, and a fan hub is riveted or screwed with a plurality of fan blades.
The existing one-step forming fan blade cannot be designed in a refined mode, and has the defects of large vibration, high energy consumption, easy loosening of an assembled structure and the like in the using process.
Disclosure of Invention
To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a domestic animal and poultry house ventilation blower gathers class fin one shot forming and casts aluminium flabellum, and the effectual flabellum that has solved current one shot forming also fails to refine the design to the flabellum shape, and it has vibrations big, the power consumption is many and assembles the problem of the easy not hard up scheduling defect of structure in the use.
In order to achieve the above object, the utility model provides a following technical scheme: animal house ventilation blower gathers a class fin one shot forming and casts aluminium flabellum, including the fan hub, the outer wall equidistance fixed mounting of fan hub has the flabellum, and the top of flabellum is formed with the fan root, and the middle part of flabellum forms flabellum convex arc, flabellum concave arc and fan tail concave arc in proper order, and the bottom of flabellum is formed with flabellum tail point and fan tail convex arc, and the back of flabellum and front form the flabellum back of the body and flabellum face respectively, and the outside of flabellum back of the body forms fan root back of the body arc, and the inboard of flabellum face forms fan blade face arc.
Preferably, a shaft hole is formed in the center of the hub, and the hub is made of an aluminum alloy material.
Preferably, the connecting part of the fan root and the fan hub forms an angle of 45 degrees relative to the axis, extends towards the tail end of the fan blade, and the angle is gradually reduced; the thickness from the fan root to the convex arc of the fan blade is gradually reduced.
Preferably, the widest position of the fan root from the convex arc of the fan blade is 1/5 of the total length of the fan blade, and the concave arc of the fan tail is positioned from the fan blade to the tail end 1/6 of the fan blade.
Preferably, the width dimension of the convex arc of the fan blade is larger than the width dimension of the concave arc of the fan blade, and the width dimension of the convex arc of the fan blade is gradually decreased towards the direction of the concave arc of the fan blade.
Preferably, the connecting part of the hub and the fan root and the edge of the fan blade are both provided with circular arcs, and the radian radius of the fan blade surface is larger than that of the fan blade back.
Compared with the prior art, the beneficial effects of the utility model are that:
1) in the work, the fan hub is cast and formed by aluminum alloy once, and the streamline refinement design is carried out on the fan blade according to hydromechanics, so that the wind resistance is small, the air quantity is large when the fan blade works, the installation cost of the fan is reduced, the service life is prolonged, and the energy is saved and the efficiency is high;
2) and in the work, the fan blade can be directly sleeved at the front end of the main shaft of the ventilator in the livestock and poultry house during installation, and the installation is convenient and firm.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the blade surface mounting structure of the present invention;
fig. 3 is a schematic cross-sectional structure view taken along line a-a in fig. 2 according to the present invention;
fig. 4 is a schematic cross-sectional view of the position B-B in fig. 2 according to the present invention.
In the figure: 1. a fan hub; 2. a fan root; 3. a fan blade convex arc; 4. a fan blade concave arc; 5. fantail concave arc; 6. the tail tip of the fan blade; 7. a fan tail convex arc; 8. a fan blade back; 9. a leaf surface; 10. a fan root back arc; 11. a sector root surface arc; 12. a fan blade back arc; 13. and (5) arc of the fan blade surface.
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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiment one, given by fig. 1-4, the utility model discloses a fan hub 1, fan hub 1's outer wall equidistance fixed mounting has the flabellum, the top of flabellum is formed with fan root 2, the middle part of flabellum has formed fan blade convex arc 3, fan blade concave arc 4 and fan tail concave arc 5 in proper order, the bottom of flabellum is formed with fan blade tail point 6 and fan tail convex arc 7, and the back of flabellum and front form fan blade back of the body 8 and flabellum face 9 respectively, fan blade back of the body 8 outside forms fan root back of the body arc 10, fan blade back of the body 8 inboard forms fan root face arc 11, fan blade face 9's outside forms fan blade back of the body arc 12, fan blade face 9's inboard forms fan blade face arc 13.
In the second embodiment, on the basis of the first embodiment, a shaft hole is formed in the center of the hub 1, and the hub 1 is made of an aluminum alloy material, so that the hub has good physical properties.
In the third embodiment, on the basis of the first embodiment, the connecting part of the fan root 2 and the fan hub 1 forms an angle of 45 degrees relative to the axis, extends towards the tail end of the fan blade, and the angle is gradually reduced; the thickness of the fan root 2 to the fan blade convex arc 3 is gradually decreased, so that the connection strength of the fan root 2 can be ensured, and larger force can be borne.
In the fourth embodiment, based on the first embodiment, the widest position of the fan root 2 from the convex arc 3 of the fan blade is 1/5 of the total length of the fan blade, and the concave arc 5 of the fan tail is located from the fan blade to the tail end 1/6 of the fan blade.
In the fifth embodiment, on the basis of the first embodiment, the width dimension of the convex arc 3 of the fan blade is larger than the width dimension of the concave arc 4 of the fan blade, and the width dimensions thereof are gradually decreased toward the direction of the concave arc 4 of the fan blade.
Sixth embodiment, on the basis of the first embodiment, the arc is formed at the connecting part of the hub 1 and the fan root 2 and at the edge of the fan blade, and the arc radius of the fan blade surface 9 is larger than the arc radius of the fan blade back 8, so that the negative pressure value between the front and the back of the fan blade can be larger, and the vibration amplitude of the fan blade can be minimized.
The working principle is as follows: when the fan works, firstly, in the running and working process of the fan, the fan root 2 is stressed maximally, so that the thickness of the fan root 2 is maximal, the strength is highest, and the parts from the fan blade convex arc 3 to the fan blade concave arc 4 are the main driving parts of the fan, so that the width is maximal; the wind resistance at the tail end of the fan blade is increased, so that the thickness of the tail end and the thickness of the side surface of the fan blade are both thinner, the radian radius of the fan blade surface 9 is larger than that of the fan blade back 8, the negative pressure value of the front and the back of the fan blade is larger, and the vibration amplitude of the fan blade is minimum; the fan tail convex arc 7, the fan tail concave arc 5 and the fan blade tail tip 6 jointly form an effect of gathering air flow, the fan blades are matched with a circular fan shell when being installed, the air flow driven by the fan is integrally ejected forwards in a linear mode, and therefore the fan is the highest in efficiency and the optimal in energy saving degree.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Poultry house ventilation blower gathers a class fin one shot forming and casts aluminium flabellum, including fan hub (1), its characterized in that: the outer wall equidistance fixed mounting of fan hub (1) has the flabellum, the top of flabellum is formed with fan root (2), the middle part of flabellum is formed with fan blade convex arc (3) in proper order, fan blade concave arc (4) and fan tail concave arc (5), the bottom of flabellum is formed with fan blade tail point (6) and fan tail convex arc (7), and the back of flabellum and front form fan blade back of the body (8) and flabellum face (9) respectively, the outside of fan blade back of the body (8) forms fan root back of the body arc (10), the inboard of fan blade back of the body (8) forms fan root face arc (11), the outside of flabellum face (9) forms fan blade back of the body arc (12), the inboard of fan blade face (9) forms.
2. The cast aluminum fan blade formed at one time of the flow-gathering tail wing of the ventilator of the livestock and poultry house as claimed in claim 1, wherein: the fan hub is characterized in that a shaft hole is formed in the center of the fan hub (1), and the fan hub (1) is made of an aluminum alloy material.
3. The cast aluminum fan blade formed at one time of the flow-gathering tail wing of the ventilator of the livestock and poultry house as claimed in claim 1, wherein: the connecting part of the fan root (2) and the fan hub (1) forms an angle of 45 degrees relative to the axis, extends towards the tail end of the fan blade, and the angle is gradually reduced; the thickness from the fan root (2) to the fan blade convex arc (3) is gradually decreased.
4. The cast aluminum fan blade formed at one time of the flow-gathering tail wing of the ventilator of the livestock and poultry house as claimed in claim 1, wherein: the widest position of the fan root (2) from the convex arc (3) of the fan blade is 1/5 of the total length of the fan blade, and the concave arc (5) of the fan tail is positioned from the fan blade to the tail end 1/6 of the fan blade.
5. The cast aluminum fan blade formed at one time of the flow-gathering tail wing of the ventilator of the livestock and poultry house as claimed in claim 1, wherein: the width dimension of the fan blade convex arc (3) is larger than the width dimension part of the fan blade concave arc (4), and the width dimension of the fan blade convex arc is gradually decreased towards the direction of the fan blade concave arc (4).
6. The cast aluminum fan blade formed at one time of the flow-gathering tail wing of the ventilator of the livestock and poultry house as claimed in claim 1, wherein: the fan is characterized in that circular arcs are formed at the connecting part of the fan hub (1) and the fan root (2) and at the edges of the fan blades, and the radian radius of the fan blade surface (9) is larger than that of the fan blade back (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022877355.2U CN213684684U (en) | 2020-12-03 | 2020-12-03 | One-step formed cast aluminum fan blade of flow-gathering tail wing of ventilator for livestock and poultry houses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022877355.2U CN213684684U (en) | 2020-12-03 | 2020-12-03 | One-step formed cast aluminum fan blade of flow-gathering tail wing of ventilator for livestock and poultry houses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684684U true CN213684684U (en) | 2021-07-13 |
Family
ID=76738396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022877355.2U Active CN213684684U (en) | 2020-12-03 | 2020-12-03 | One-step formed cast aluminum fan blade of flow-gathering tail wing of ventilator for livestock and poultry houses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213684684U (en) |
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2020
- 2020-12-03 CN CN202022877355.2U patent/CN213684684U/en active Active
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