CN207500188U - A kind of stretching blade structure - Google Patents
A kind of stretching blade structure Download PDFInfo
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- CN207500188U CN207500188U CN201721595253.3U CN201721595253U CN207500188U CN 207500188 U CN207500188 U CN 207500188U CN 201721595253 U CN201721595253 U CN 201721595253U CN 207500188 U CN207500188 U CN 207500188U
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Abstract
A kind of stretching blade structure, belongs to motor fan art, solve the problems, such as existing for existing fan it is of high cost, air output is small, cooling-down effect is unconspicuous.The utility model uses a punching, bends, drawing and forming, including main body；It is evenly distributed on multiple flabellums of body rim；Each flabellum includes K shapes structure and trapezoidal knot；K shapes structure includes the sequentially connected long vertical edge of head and the tail, arc-shaped edges one, bevel edge one, bevel edge two, short vertical edge, arc-shaped edges two on tablet one and tablet one, an angle theta is formed between bevel edge one and bevel edge two, arc-shaped edges two are connected with body rim；Trapezium structure includes the sequentially connected upper bottom edge of head and the tail, bevel edge, bottom, arc-shaped edges three on tablet two and tablet two, and the bottom of trapezium structure is vertically fixed on long vertical edge；The short vertical edge of each flabellum is connected with the long vertical edge of adjacent flabellum.The utility model manufacturing process is simple, at low cost, air output is big, cooling-down effect is apparent.
Description
Technical field
The utility model belongs to motor fan technology field, and in particular to a kind of stretching blade structure.
Background technology
It is presently used for, mostly tube-axial fan similar to the fan of electric motor temperature reduction and general existing fan structure.Separately
Outside, most of motor is open type structure with fan, and the fan volume of this structure is larger, make get up it is time-consuming and laborious, separately
Outside, opposite conventional fan will height in cost.Simultaneously as being open type fan, air output is relatively small, and cooling-down effect is bad.
Utility model content
In order to solve the problems, such as existing for existing fan it is of high cost, air output is small, cooling-down effect is unconspicuous, the utility model
A kind of stretching blade structure is provided.
The utility model is as follows for technical scheme applied to solve the technical problem：
A kind of stretching blade structure of the utility model, using a punching, bends, drawing and forming, including：
Main body；
It is evenly distributed on multiple flabellums of body rim；
Each flabellum includes K shapes structure and trapezoidal knot；
The K shapes structure include the sequentially connected long vertical edge of head and the tail on tablet one and tablet one, arc-shaped edges one, bevel edge one,
Bevel edge two, short vertical edge, arc-shaped edges two form an angle theta, the arc-shaped edges two and body edge between the bevel edge one and bevel edge two
Edge is connected；
The trapezium structure includes the sequentially connected upper bottom edge of head and the tail, bevel edge, bottom, circular arc on tablet two and tablet two
Side three, the bottom of the trapezium structure are vertically fixed on long vertical edge；
The short vertical edge of each flabellum is connected with the long vertical edge of adjacent flabellum.
Further, the main body includes vertebral body structure, outer edge is connected with vertebral body structure top edge by transition arcs
Circular ring structure, the cylindrical structure being connected between circular ring structure inward flange by transition arcs；The arc-shaped edges two pass through transition arcs
It is connected with vertebral body structure lower edge.
Further, multiple equally distributed mounting holes are equipped in the junction of vertebral body structure and arc-shaped edges two.
Further, the angle theta between the bevel edge one and bevel edge two is ranging from：90 ° of 180 ° of ﹤ θ ﹤.
Further, it is connected between the upper bottom edge and bevel edge by transition arcs.
Further, in the direction of the clock, the long vertical edge phase of the short vertical edge of first flabellum and second adjacent flabellum
Even, the short vertical edge of second flabellum is connected with the long vertical edge of adjacent third flabellum, and so on.
Further, the quantity of flabellum is 10.
The beneficial effects of the utility model are：
A kind of stretching blade structure of the utility model, is mainly used for on electric motor temperature reduction.The stretching blade structure makes
Process is simple, raw material and manually all saves, and cost is greatly lowered；In addition, the blade structure due to use is special,
The air output of fan is greatly improved, is played a role to reducing motor temperature rise, cooling-down effect is fairly obvious.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of stretching blade structure of the utility model.
Fig. 2 is a kind of dimensional structure diagram of stretching blade structure of the utility model.
Fig. 3 is a kind of right view of stretching blade structure of the utility model.
In figure：1st, flabellum, 2, K shape structures, 21, tablet, 22, long vertical edge, 23, arc-shaped edges one, 24, bevel edge one, 25, bevel edge
Two, 26, short vertical edge, 27, arc-shaped edges two, 3, trapezium structure, 4, main body, 5, cylindrical structure, 6, circular ring structure, 7, vertebral body structure,
8th, mounting hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1 to Figure 3, a kind of stretching blade structure of the utility model, mainly by the A3 steel of 2 thickness (δ=2)
Plate through a punching, bend, drawing and forming, the thickness of A3 steel plates is 2mm or so.It is main to include with lower part：
For the main body 4 being connected with external module (such as motor shaft), main body 4 includes three parts, respectively cylinder
Structure 5, circular ring structure 6, vertebral body structure 7, as depicted in figs. 1 and 2.Passed through between 6 inward flange of cylindrical structure 5 and circular ring structure
Arc connection is crossed, due to the presence of transition arcs, the diameter of 6 inner ring of circular ring structure should be slightly larger than the internal diameter of cylindrical structure 5.Vertebral body structure
7 is up-narrow and down-wide, i.e., the cross section of vertebral body structure 7 is circle, is fallen down from above, the diameter of circular cross section gradually increases.Annulus knot
It is connected between 7 top edge of 6 outer edge of structure and vertebral body structure by transition arcs, due to the presence of transition arcs, 7 upper end of vertebral body structure circle
The diameter of shape mouth should be slightly larger than the diameter of 6 outer shroud of circular ring structure.
The structure snd size of 10 flabellums 1 are identical, 10 flabellums 1 be evenly distributed on using the center of main body 1 as the center of circle,
With on the circumference of a diameter of diameter of 7 lower end circular port of vertebral body structure, i.e. it is following that 10 flabellums 1 are evenly distributed on vertebral body structure 7
Edge.
As shown in Figure 1, each flabellum 1 includes two parts, a part is K shapes structure 2, and another part is trapezium structure
3。
K shapes structure 2 is by tablet 1, long vertical edge 22, arc-shaped edges 1, bevel edge 1, bevel edge 2 25, short vertical edge 26, circle
Arc side 2 27 forms.Long vertical edge 22, arc-shaped edges 1, bevel edge 1, bevel edge 2 25, short vertical edge 26, arc-shaped edges 2 27 are arranged on
One 21 edge of tablet, and long vertical edge 22, arc-shaped edges 1, bevel edge 1, bevel edge 2 25, short vertical edge 26, arc-shaped edges 2 27 according to
Secondary head and the tail connection.Angle theta between bevel edge 1 and bevel edge 2 25 is ranging from：90 ° of 180 ° of ﹤ θ ﹤.
Trapezium structure 3 mainly includes：Tablet 2 31, upper bottom edge 32, bevel edge 33, bottom 34, arc-shaped edges 3 35.Upper bottom edge
32nd, bevel edge 33, bottom 34, arc-shaped edges 3 35 are arranged on 2 31 edge of tablet, and upper bottom edge 32, bevel edge 33, bottom 34,
3 35 head and the tail of arc-shaped edges are sequentially connected.Meanwhile it is connected between upper bottom edge 32 and bevel edge 33 by transition arcs.
Trapezium structure 3 is vertically fixed in K shapes structure 2, particularly：The bottom 34 of trapezium structure 3 is vertically fixed on
On long vertical edge 22.
Connection between each flabellum 1 is as shown in Figure 1, the long vertical edge of the short vertical edge 26 and adjacent flabellum 1 of each flabellum 1
22 are connected, particularly：According to clockwise, the short vertical edge 26 of first flabellum 1 and the length of second adjacent flabellum 1 are erected
Side 22 is connected, and the short vertical edge 26 of second flabellum 1 is connected with the long vertical edge 22 of adjacent third flabellum 1, and so on.
As shown in Figure 1, in flabellum 1, the arc-shaped edges 2 27 of K shapes structure 2 pass through transition for connection between flabellum 1 and main body 4
Arc is connected with 7 lower edge of vertebral body structure of main body 4.The junction of vertebral body structure 7 and arc-shaped edges 2 27 is provided with multiple installations
Hole 8 is mainly used for playing positioning action when installing blade structure.
In the present embodiment, the number of mounting hole 8 is 10.This 10 mounting holes 8 are evenly distributed on in main body 4
The heart is on the circumference in the center of circle, particularly：It is set in the long vertical edge 22 of each flabellum 1 and the junction of 7 lower edge of vertebral body structure
There are one mounting holes 8.
After all flabellums 1 and main body 4 machine, the arc-shaped edges 1 of all flabellums 1 be evenly distributed on
The center of main body 4 is a diameter of 172 ± 0.10mm of this circumference on the circumference in the center of circle.
In the present embodiment, the internal diameter of cylindrical structure 5 is 53mm, and the pillar height of cylindrical structure 5 is 13mm.
In the present embodiment, the length of long vertical edge 22 is 37mm.
In the present embodiment, the height of trapezium structure 3 is 22mm.
In the present embodiment, the length of the upper bottom edge 32 of trapezium structure 3 is 24mm.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of stretching blade structure, which is characterized in that using a punching, bend, drawing and forming, including：
Main body (4)；
It is evenly distributed on multiple flabellums (1) at main body (4) edge；
Each flabellum (1) includes K shapes structure (2) and trapezium structure (3)；
The K shapes structure (2) includes the sequentially connected long vertical edge (22) of head and the tail, arc-shaped edges on tablet one (21) and tablet one (21)
One (23), bevel edge one (24), bevel edge two (25), short vertical edge (26), arc-shaped edges two (27), the bevel edge one (24) and bevel edge two
(25) angle theta is formed between, the arc-shaped edges two (27) are connected with main body (4) edge；
The trapezium structure (3) includes the sequentially connected upper bottom edge (32) of head and the tail, bevel edge on tablet two (31) and tablet two (31)
(33), bottom (34), arc-shaped edges three (35), the bottom (34) of the trapezium structure (3) are vertically fixed on long vertical edge (22)
On；
The short vertical edge (26) of each flabellum (1) is connected with the long vertical edge (22) of adjacent flabellum (1).
2. a kind of stretching blade structure according to claim 1, which is characterized in that the main body (4) is including vertebral body structure
(7), the circular ring structure (6) and circular ring structure (6) inward flange that outer edge is connected with vertebral body structure (7) top edge by transition arcs
Between the cylindrical structure (5) that is connected by transition arcs；The arc-shaped edges two (27) pass through transition arcs and vertebral body structure (7) lower edge
It is connected.
3. a kind of stretching blade structure according to claim 2, which is characterized in that in vertebral body structure (7) and arc-shaped edges two
(27) junction is equipped with multiple equally distributed mounting holes (8).
4. a kind of stretching blade structure according to claim 1, which is characterized in that the bevel edge one (24) and bevel edge two
(25) angle theta between is ranging from：90 ° of 180 ° of ﹤ θ ﹤.
5. a kind of stretching blade structure according to claim 1, which is characterized in that the upper bottom edge (32) and bevel edge (33)
Between connected by transition arcs.
6. a kind of stretching blade structure according to claim 1, which is characterized in that in the direction of the clock, first flabellum
(1) short vertical edge (26) is connected with the long vertical edge (22) of second adjacent flabellum (1), the short vertical edge of second flabellum (1)
(26) the long vertical edge (22) with adjacent third flabellum (1) is connected, and so on.
7. a kind of stretching blade structure according to claim 1, which is characterized in that the quantity of flabellum (1) is 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721595253.3U CN207500188U (en) | 2017-11-25 | 2017-11-25 | A kind of stretching blade structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721595253.3U CN207500188U (en) | 2017-11-25 | 2017-11-25 | A kind of stretching blade structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500188U true CN207500188U (en) | 2018-06-15 |
Family
ID=62506099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721595253.3U Active CN207500188U (en) | 2017-11-25 | 2017-11-25 | A kind of stretching blade structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500188U (en) |
-
2017
- 2017-11-25 CN CN201721595253.3U patent/CN207500188U/en active Active
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