CN213116845U - Negative-pressure air fan blade mounting structure and negative-pressure air fan with same - Google Patents
Negative-pressure air fan blade mounting structure and negative-pressure air fan with same Download PDFInfo
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- CN213116845U CN213116845U CN202022000192.XU CN202022000192U CN213116845U CN 213116845 U CN213116845 U CN 213116845U CN 202022000192 U CN202022000192 U CN 202022000192U CN 213116845 U CN213116845 U CN 213116845U
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Abstract
The utility model discloses a fan blade mounting structure of a negative pressure fan, which comprises fan blades, a blade angle piece and a fan impeller; the fan blade is provided with at least three blades; the blade corner piece is provided with a blade corner; the fan impeller is provided with spokes, and the spokes are directly or indirectly connected with the blades through the blade angles; the utility model also provides a negative pressure fan, which comprises an impeller, wherein the impeller is the negative pressure fan blade mounting structure; the utility model discloses technical scheme is through structural improvement between leaf angle spare with negative-pressure air fan flabellum mounting structure and the flabellum, when guaranteeing product structural stability and safety, reduces the quantity of fastener, realizes the purpose that can accomplish the assembly fast when the product is installed, and the assembly is accomplished the required time and is only 1-1.5 minutes, has finally significantly reduced the assemble duration of impeller, and then has improved negative-pressure air fan flabellum mounting structure's assembly efficiency.
Description
Technical Field
The utility model relates to a drinking cup field, in particular to negative-pressure air fan flabellum mounting structure and have its negative-pressure air fan.
Background
The negative pressure fan blade mounting structure in the prior art, wherein, the connection of a fixed position is formed between the designed blade angle and the blade, the blade angle and the blade angle are fixedly mounted in a matching mode of four screws and nuts, and the impeller and the blade angle part are fixedly connected through one screw after the blade angle and the blade angle part are mounted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a negative-pressure air fan flabellum mounting structure has its negative-pressure air fan, aim at solving prior art's impeller, leaf angle spare and blade at the in-process of assembly, fastener quantity is too much during the assembly, and the step is many, and assembly speed is too slow, causes the technical problem of inefficiency.
In order to achieve the above object, the utility model provides a negative-pressure air fan flabellum mounting structure, include: negative-pressure air fan flabellum mounting structure includes:
the fan blade is provided with at least three blades;
the blade corner piece is provided with a blade corner;
the fan impeller is provided with spokes, and the spokes are directly or indirectly connected with the blades through the blade angles;
each blade, each leaf angle and each spoke form a fixing position in an up-and-down corresponding mode, and each fixing position is provided with at least one fastener to connect and fix the blade and the leaf angle and/or connect and fix the blade, the leaf angle and the spoke.
Furthermore, a convex part is formed on one surface of each blade matched with the blade angle, the convex part is matched with the convex part, and the blade angle is provided with an inwards concave clamping groove.
Furthermore, the clamping groove is provided with a first fixing hole penetrating through the groove body, and the convex part is correspondingly provided with a second fixing hole.
Furthermore, the convex part is provided with a third fixing hole, the clamping groove is correspondingly provided with a fourth fixing hole, and the spoke is correspondingly provided with a fifth fixing hole.
Furthermore, the number of the fasteners arranged at each fixing position is two, and the fasteners comprise first fasteners penetrating through the first fixing holes and the second fixing holes and second fasteners penetrating through the third fixing holes, the fourth fixing holes and the fifth fixing holes.
Further, the fastener is a screw and a nut.
Furthermore, the number of the blades is six, and the six blades are uniformly distributed along the center of the fan blade at equal intervals.
Furthermore, the blade angle piece corresponds to six blades and is provided with six blade angles, and the fan wheel is provided with six spokes correspondingly.
Furthermore, the leaf angle is towards the spoke and is located fifth fixed orifices periphery is formed with the lug, with the lug cooperation, the spoke is equipped with the accommodation area.
The utility model also provides a negative-pressure air fan, including the impeller, the impeller is foretell negative-pressure air fan flabellum mounting structure.
The utility model discloses technical scheme is through structural improvement between leaf angle spare with negative-pressure air fan flabellum mounting structure and the flabellum, when guaranteeing product structural stability and safety, reduces the quantity of fastener, realizes the purpose that can accomplish the assembly fast when the product is installed, and the assembly is accomplished the required time and is only 1-1.5 minutes, has finally significantly reduced the assemble duration of impeller, and then has improved negative-pressure air fan flabellum mounting structure's assembly efficiency.
Drawings
Fig. 1 is a first perspective view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a bottom view of the present invention;
fig. 4 is a second perspective view of the present invention;
FIG. 5 is a perspective view of the blade corner fitting of the present invention;
fig. 6 is a perspective view of the fan blade wheel of the present invention;
fig. 7 is prior art.
Wherein the figures include the following reference numerals:
1. a fan blade; 11. a blade; 111. a convex portion; 112. a second fixing hole; 113. a third fixing hole; 2. a leaf angle member; 21. a leaf angle; 211. a card slot; 212. a first fixing hole; 213. a fourth fixing hole; 3. a fan wheel; 31. a spoke; 311. a fifth fixing hole; 312. a containment region; 101. a fixing hole of a first fastener of the prior art; 102. the fixing hole of the second fastener of the prior art.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indicators (such as … …, upper, lower, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are involved in the embodiments of the present invention, the directional indicators are only used to explain the relative position, motion, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a negative-pressure air fan flabellum mounting structure.
In the embodiment of the utility model, as shown in fig. 1 to 6, this negative pressure fan flabellum mounting structure includes: the fan blade 1, the blade angle part 2 and the fan impeller 3; the fan comprises a fan blade 1, wherein the fan blade 1 is provided with at least three blades 11; the blade corner piece 2 is provided with a blade corner 21; the fan wheel 3 is provided with a spoke 31, and the spoke 31 is directly or indirectly connected with the blade 11 through the blade angle 21;
specifically, each blade 11, each blade angle 21, and each spoke 31 form a fixing position in an up-down correspondence manner, and each fixing position is provided with at least one fastener (not shown) to connect and fix the blade 11 and the blade angle 21 and/or connect and fix the blade 11, the blade angle 21, and the spoke 31.
It should be noted that each fixing position of the present invention is preferably fixed by two fasteners, but is not limited to two fasteners, and may also be fixed by one fastener.
Furthermore, a convex portion 111 is formed on one surface of each blade 11, which is matched with the blade angle 21, and is matched with the convex portion 111, an inward concave clamping groove 211 is formed on the blade angle 21, and during installation, the clamping groove 211 is clamped on the convex portion 111.
Furthermore, the clamping groove 211 is provided with a first fixing hole 212 penetrating through the groove body, the convex part 111 is correspondingly provided with a second fixing hole 112, and during installation, the screw is firstly inserted into the second fixing hole 112 and then penetrates out of the second fixing hole 112 to be matched with the nut for screwing and fixing.
Furthermore, the convex portion 111 is provided with a third fixing hole 113, the locking groove 211 is correspondingly provided with a fourth fixing hole 213, and the spoke 31 is correspondingly provided with a fifth fixing hole 311.
Further, the number of the fasteners (not shown) disposed in each fixing position is two, and the fasteners include first fasteners (not shown) disposed through the first fixing holes 212 and the second fixing holes 112, and second fasteners (not shown) disposed through the third fixing holes 113, the fourth fixing holes 213, and the fifth fixing holes 311.
Further, the fasteners (not shown) are screws and nuts.
Further, the number of the blades 11 is six, and the six blades 11 are uniformly distributed along the center of the fan blade 1 at equal intervals.
Furthermore, the blade angle member 2 is provided with six blade angles 21 corresponding to the six blades 11, and the fan wheel 3 is provided with six spokes 31 corresponding to the six blades.
Further, the leaf angle 21 faces the spoke 31 and is formed with a projection at the periphery of the fifth fixing hole 311, and the spoke 31 is provided with a containing area 312.
The utility model also provides a negative-pressure air fan, including the impeller, the impeller is foretell negative-pressure air fan flabellum mounting structure.
Specifically, if the impeller designed by the inventor is six blades 11, in the process of assembling the fan blades 1 and the blade corner pieces 2 with the fan impeller 3, one of the fixing positions can be fixed firstly, the screw of the first fastening piece is directly penetrated through the fan blades 1 firstly, then the screw penetrates through the corresponding fixing holes of the three parts simultaneously, then the nut and the penetrated screw are matched and screwed and fixed through a tool, then the screw of the second fastening piece is penetrated through the fan blades 1, then the screw penetrates through the corresponding fixing hole of the blade corner piece 2, then the nut and the penetrated screw are matched and screwed and fixed through the tool, and then other fixing pieces are fixed according to the step.
As an improvement, the fastening mode can be another design, during the design, a nut opening integrally formed with the blade 11 can be designed in the blade 11, during the production, the nut opening is integrally formed in the blade 11, by adopting the design, the fixing hole is not changed, and at the same time, the self-tapping screw matched with the nut opening is only needed to be used for matching, during the installation, the self-tapping screw is used for connecting and fixing the blade 11 and the blade angle 21 and/or connecting and fixing the blade 11, the blade angle 21 and the spoke 31 by using an electric tool, and the mode can also reach the expectation, the assembling time can be greatly shortened, and the assembling efficiency of the negative pressure fan blade installation structure can be improved.
The utility model discloses technical scheme is through structural improvement between 2 and the flabellum 1 with negative-pressure air fan flabellum mounting structure's leaf angle spare, when guaranteeing product structural stability and safety, reduces the quantity of fastener, realizes the purpose that can accomplish the assembly fast when the product installation, and the assembly is accomplished the required time and is only 1-1.5 minutes, has finally significantly reduced the assemble duration of impeller, and then has improved negative-pressure air fan flabellum mounting structure's assembly efficiency.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. The utility model provides a negative-pressure air fan flabellum mounting structure which characterized in that, negative-pressure air fan flabellum mounting structure includes:
the fan blade is provided with at least three blades;
the blade corner piece is provided with a blade corner;
the fan impeller is provided with spokes, and the spokes are directly or indirectly connected with the blades through the blade angles;
each blade, each leaf angle and each spoke form a fixing position in an up-and-down corresponding mode, and each fixing position is provided with at least one fastener to connect and fix the blade and the leaf angle and/or connect and fix the blade, the leaf angle and the spoke.
2. The negative-pressure air blower fan blade mounting structure of claim 1, wherein: each blade and the blade angle matched surface is formed with a convex part matched with the convex part, and the blade angle is formed with an inwards concave clamping groove.
3. The negative-pressure air blower fan blade mounting structure of claim 2, wherein: the draw-in groove is equipped with the first fixed orifices that runs through the cell body, the convex part correspondence is equipped with the second fixed orifices.
4. The negative-pressure air blower fan blade mounting structure of claim 3, wherein: the convex part is provided with a third fixing hole, the clamping groove is correspondingly provided with a fourth fixing hole, and the spoke is correspondingly provided with a fifth fixing hole.
5. The negative-pressure air blower fan blade mounting structure according to claim 4, wherein: every the fixed position setting the fastener quantity is two, including wear to locate the first fastener of first fixed orifices and second fixed orifices to and wear to locate the second fastener of third fixed orifices, fourth fixed orifices and fifth fixed orifices.
6. The negative-pressure air blower fan blade mounting structure according to claim 5, wherein: the fastener is a screw and a nut.
7. The negative-pressure air blower fan blade mounting structure of claim 2, wherein: the quantity of blade is six, and six blades are along flabellum center equidistance interval evenly distributed setting.
8. The negative-pressure air blower fan blade mounting structure of claim 7, wherein: the six blades correspond to each other, the blade angle piece is correspondingly provided with six blade angles, and the fan wheel is correspondingly provided with six spokes.
9. The negative-pressure air blower fan blade mounting structure according to claim 5, wherein: the leaf angle is towards the spoke and is located the peripheral lug that is formed with of fifth fixed orifices, with the lug cooperation, the spoke is equipped with the accommodation area.
10. The negative pressure fan comprises an impeller and is characterized in that: the impeller is the negative pressure fan blade mounting structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022000192.XU CN213116845U (en) | 2020-09-14 | 2020-09-14 | Negative-pressure air fan blade mounting structure and negative-pressure air fan with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022000192.XU CN213116845U (en) | 2020-09-14 | 2020-09-14 | Negative-pressure air fan blade mounting structure and negative-pressure air fan with same |
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| Publication Number | Publication Date |
|---|---|
| CN213116845U true CN213116845U (en) | 2021-05-04 |
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| CN202022000192.XU Active CN213116845U (en) | 2020-09-14 | 2020-09-14 | Negative-pressure air fan blade mounting structure and negative-pressure air fan with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586522A (en) * | 2021-08-24 | 2021-11-02 | 佛山市南海九洲普惠风机有限公司 | Square negative pressure fan blade |
-
2020
- 2020-09-14 CN CN202022000192.XU patent/CN213116845U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586522A (en) * | 2021-08-24 | 2021-11-02 | 佛山市南海九洲普惠风机有限公司 | Square negative pressure fan blade |
| CN113586522B (en) * | 2021-08-24 | 2023-10-20 | 佛山市南海九洲普惠风机有限公司 | Square negative pressure fan blade |
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