CN203796623U - Mechanical fan - Google Patents
Mechanical fan Download PDFInfo
- Publication number
- CN203796623U CN203796623U CN201420171080.2U CN201420171080U CN203796623U CN 203796623 U CN203796623 U CN 203796623U CN 201420171080 U CN201420171080 U CN 201420171080U CN 203796623 U CN203796623 U CN 203796623U
- Authority
- CN
- China
- Prior art keywords
- net cover
- rear net
- mesh enclosure
- front mesh
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a mechanical fan whichcomprises a fan body and ascreen part connected with the fan body, wherein the screen part comprises a front screen and a rear screenwhich are detachably connected; the rear screen is provided with a first positioning reference part comprising rear screenstraight sections; and the front screenis provided with a second positioning reference part matched with the first positioning reference part, and the secondpositioning reference part comprises front screenstraight sections matched with the rear screenstraight sections. According to the mechanical fan, the straight sections serving as the positioning reference parts are arranged on the screen part and can be taken for positioning reference when the front screen is assembled to the rear screen, so that positioning assembly of the front and rear screens of the mechanical fan can be achieved, and mounting and use are facilitated for a user.
Description
Technical field
The utility model relates to a kind of fan.
Background technique
As shown in Figure 1, owing to being subject to the restriction of guard technique, the guard of existing all fans all uses circular guard, and guard is connected to form by guard circle 40 ' by front mesh enclosure 20 ' and rear net cover 30 ', and the front ornamental piece that is equipped with is on the net printed on the logo of company on ornamental piece.In order to dwindle packaging space, be convenient to transport, all adopt loose mail packaging, being made by manufacturers or users again when user uses.When circular guard assembling, cannot realize direction location, front mesh enclosure is assembled to rear net cover and is difficult to realize direction location, be also difficult to guarantee assembling one to property, be not easy to user installation and make.And assemble the rear problem that the logo of company is askew that exists, caused assembling effect not attractive in appearance bad with visual effect.
Model utility content
The utility model aims to provide a kind of fan that can realize front and back guard orientation assemble and be convenient to user installation use.
To achieve these goals, the utility model provides a kind of fan, comprises main body section, and the guard portion being connected with main body section, guard portion comprises the front mesh enclosure and the rear net cover that removably connect, and rear net cover has the first position reference portion, and the first position reference portion comprises rear net cover straight section; Front mesh enclosure has the second position reference portion matching with the first position reference portion, and the second position reference portion comprises the front mesh enclosure straight section matching with rear net cover straight section.
Further, rear net cover straight section is four, and four rear net cover straight sections connect successively; Front mesh enclosure straight section is four, four front mesh enclosure straight sections connect successively and with four rear net cover straight sections corresponding matching one by one.
Further, four rear net cover straight sections are oppositely arranged between two, and four front mesh enclosure straight sections are oppositely arranged between two.
Further, four rear net cover straight section opposing parallel settings between two, four front mesh enclosure straight section opposing parallel settings between two.
Further, the cross section of rear net cover is square, wherein, four rear net cover straight section head and the tail connect successively and are square, the cross section of front mesh enclosure is and the equal-sized square of cross section of rear net cover that wherein, four front mesh enclosure straight section head and the tail connect successively and are square.
Further, rear net cover straight section is five, and five rear net cover straight sections connect successively; Front mesh enclosure straight section is five, five front mesh enclosure straight sections connect successively and with five rear net cover straight sections corresponding matching one by one.
Further, the cross section of rear net cover is regular pentagon, wherein, five rear net cover straight section head and the tail connect and are regular pentagon successively, the cross section of front mesh enclosure is and the equal-sized regular pentagon of cross section of rear net cover that wherein, five front mesh enclosure straight section head and the tail connect and are regular pentagon successively.
Further, between adjacent two rear net cover straight sections, be connected by rear net cover arc section, between adjacent two front mesh enclosure straight sections, be connected by front mesh enclosure arc section.
Further, two end points of front mesh enclosure arc section are identical to the corner dimension between the central point of rear net cover to two end points of the angle between the central point of front mesh enclosure and rear net cover arc section, angle is α, wherein, and 50 ° of 0 ° of < α <.
Further, fan also comprises: guard circle, on the internal surface of guard circle, there is draw-in groove, and the periphery of front mesh enclosure and rear net cover embeds in draw-in groove to interconnect.
Further, the central part of front mesh enclosure has decorating structure portion.
Further, the length ratio of adjacent rear net cover straight section is A, wherein, 1:1≤A≤1:2, the length ratio of adjacent front mesh enclosure straight section is B, wherein, 1:1≤B≤1:2.
Further, the length ratio of adjacent rear net cover straight section and rear net cover arc section is C, wherein, C≤1:5, the length ratio of adjacent front mesh enclosure straight section and front mesh enclosure arc section is D, wherein, D≤1:5.
Application the technical solution of the utility model, the guard portion that fan comprises main body section and is connected with main body section.Guard portion comprises the front mesh enclosure and the rear net cover that removably connect, and rear net cover has the first position reference portion, and the first position reference portion comprises rear net cover straight section.Front mesh enclosure has the second position reference portion matching with the first position reference portion, and the second position reference portion comprises the front mesh enclosure straight section matching with rear net cover straight section.Due to the straight section having on guard as position reference portion, so can carry out reference location with straight section when front mesh enclosure is assembled to rear net cover.Therefore, fan of the present utility model can be realized front and back guard orientation assemble, is convenient to user installation and uses.
Brief description of the drawings
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the front mesh enclosure of prior art and the assembly structure schematic diagram of rear net cover;
Fig. 2 shows a kind of embodiment's of front mesh enclosure of the present utility model and rear net cover assembly structure schematic diagram;
Fig. 3 shows a kind of embodiment's of fan of the present utility model plan view;
Fig. 4 shows the right elevation of Fig. 3;
Fig. 5 shows the assembling schematic diagram of the fan of Fig. 3;
Fig. 6 shows the another kind of embodiment's of fan of the present utility model plan view;
Fig. 7 shows also a kind of embodiment's of fan of the present utility model plan view; And
Fig. 8 shows another embodiment's of fan of the present utility model plan view.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 2, the utility model provides a kind of fan.
The guard portion that this fan comprises main body section 10 and is connected with main body section 10, wherein, guard portion comprises the front mesh enclosure 20 and the rear net cover 30 that removably connect, the common holding space that forms of front mesh enclosure 20 and rear net cover 30.Rear net cover 30 has the first position reference portion, and this first position reference portion comprises rear net cover straight section 31.Front mesh enclosure 20 has the second position reference portion matching with the first position reference portion, and the second position reference portion comprises the front mesh enclosure straight section 21 matching with rear net cover straight section 31.
Dismountable design between front mesh enclosure 20 and rear net cover 30, can be so that installation, replacing and cleaning components.Rear net cover straight section 31 is equivalent to a benchmark, and front mesh enclosure 20 aligns and operates taking this benchmark as standard with the assembling between rear net cover 30.Front mesh enclosure straight section 21 matches with rear net cover straight section 31, front mesh enclosure straight section 21 assembling of aliging taking rear net cover straight section 31 as benchmark.Due to the straight section having on guard as position reference portion, so can carry out reference location with straight section when front mesh enclosure 20 is assembled to rear net cover 30, front mesh enclosure 20 can not depart from, rotates and misplace in the time of assembling.Because straightway belongs to simple lines, therefore, the assembling alignment of straightway is comparatively simple easily to be operated again.Fan of the present utility model can be realized front and back guard orientation assemble, is convenient to user installation and uses.
As shown in Figure 2, rear net cover straight section 31 is four, and four rear net cover straight sections 31 connect successively.Front mesh enclosure straight section 21 is four, four front mesh enclosure straight sections 21 connect successively and with four rear net cover straight sections 31 corresponding matching one by one.In the time that front mesh enclosure 20 is assembled to rear net cover 30, coordinate assembling according to straight section one to one, just can locate fast and assemble front mesh enclosure 20 and rear net cover 30.
As shown in Figure 3, four rear net cover straight sections 31 are oppositely arranged between two, preferably, and four rear net cover straight section 31 opposing parallel settings between two,
As shown in Figure 2 and Figure 4, four front mesh enclosure straight sections 21 are oppositely arranged between two, preferably, and four front mesh enclosure straight section 21 opposing parallel settings between two.
As shown in Figure 6, the cross section of rear net cover 30 is square, and wherein, four rear net cover straight section 31 head and the tail connect successively and are square.The cross section of front mesh enclosure 20 is and the equal-sized square of cross section of rear net cover 30 that wherein, four front mesh enclosure straight section 21 head and the tail connect successively and are square.Foursquare front mesh enclosure 20 and foursquare rear net cover 30 are assembled together, and forming a cover body with the space that holds fan blade 60 is guard portion.
Total institute is known, and under the equal prerequisite of area, in trapezoidal, parallelogram, rectangular and square, foursquare girth is the shortest, and therefore, it is to save material most that guard portion is designed to foursquare guard.
The utility model also provides another embodiment's (not shown), rear net cover straight section 31 is five, five rear net cover straight sections 31 connect successively, and front mesh enclosure straight section 21 is five, five front mesh enclosure straight sections 21 connect successively and with five rear net cover straight sections 31 corresponding matching one by one.Preferably, the cross section of rear net cover 30 is regular pentagon, wherein, five rear net cover straight section 31 head and the tail connect and are regular pentagon successively, the cross section of front mesh enclosure 20 is and the equal-sized regular pentagon of cross section of rear net cover 30, wherein, five front mesh enclosure straight section 21 head and the tail connect and are regular pentagon successively.
As shown in Figures 2 and 3, between adjacent two rear net cover straight sections 31, be connected by rear net cover arc section 32, between adjacent two front mesh enclosure straight sections 21, be connected by front mesh enclosure arc section 22.
As shown in Figure 3, two end points of front mesh enclosure arc section 22 are identical to the corner dimension between the central point of rear net cover 30 to two end points of the angle between the central point of front mesh enclosure 20 and rear net cover arc section 32, angle is α, wherein, 50 ° of 0 ° of < α <.
As shown in Figure 2, fan also comprises guard circle 40, on the internal surface of guard circle 40, has draw-in groove, and front mesh enclosure 20 embeds in draw-in groove with the periphery of rear net cover 30, to front mesh enclosure 20 and rear net cover 30 are interconnected.
Front mesh enclosure 20, rear net cover 30 and the guard circle 40 of fan of the present utility model is non-circle design.Other assemblies of whole fan design by the form fit of guard too, make complete machine coordinate collocation, and molten being integrated is more attractive in appearance, good visual effect.
As shown in Figure 5, the central part of front mesh enclosure 20 has decorating structure portion 23.Decorating structure portion 23 can be for example the logo of company, when front mesh enclosure 20 is assembled to rear net cover 30 owing to there being the position reference portion of straight section, so can realize direction location, guarantee assembling one to property, solve assembled the rear askew problem of the brand logo of company that exists, make product integrity more by force, more attractive in appearance.
As shown in Figure 5, the chain-drive section 11 of main body section 10 has at least two positioning bars 12, and rear net cover 30 has at least two positioning holes 33 suitable with at least two positioning bars 111.
As shown in Figure 6, the guard portion of preferred embodiment of the present utility model is square.The guardrail 24 of the outer surface of its square guard portion is also to adopt squared design, and its specific design designs the same with guard portion each limit.Further, logo face is also designed to square, like this design can be on the basis that keeps consumptive material not coordinate design as far as possible, improve the intensity of square guard and attractive in appearance.
Certainly, the guard portion of fan of the present utility model also can be rectangular, or as shown in Figure 7 and Figure 8, also can be made for regular hexagon or Octagon.As shown in Fig. 6, Fig. 7 and Fig. 8, each circular arc degree of square guard portion, regular hexagon guard portion or octagon guard portion is almost zero degree.
Be that in square or rectangular embodiment, the length ratio of adjacent rear net cover straight section 31 is A in the guard portion of fan, wherein, 1:1≤A≤1:2; The length ratio of adjacent front mesh enclosure straight section 21 is B, wherein, and 1:1≤B≤1:2.
Have in the embodiment of arc section in the guard portion of fan, adjacent rear net cover straight section 31 is C with the length ratio of rear net cover arc section 32, wherein, and C≤1:5; Adjacent front mesh enclosure straight section 21 is D with the length ratio of front mesh enclosure arc section 22, wherein, and D≤1:5.Why fan design has arc section, is for the ease of assembling, is convenient to front mesh enclosure 20 and rear net cover 30 is fitted in guard circle 40.
Square guard length and wide ratio can be between 1:1 to 1:2, and the ratio of the straightway on each limit of guard and radian section is probably 1:5 further.
Fan in the preferred embodiment providing in the utility model, the chain-drive section 11 of its main body section 10 is designed with two positioning bars 111, is designed with and chain-drive section 11 positioning bars 111 two positioning holes 33 of assembling mutually on rear net cover 30.After rear net cover 30 is assembled in main body section 10, the positioning bar 111 of main body section 10 snaps onto in the positioning hole 33 of rear net cover 30, realizes rear net cover 30 and is assembled to spline positioning action on chain-drive section 10.Then guard knob 50 is screwed in and compresses rear net cover 30, form the fixing assembling of main body section 10 and rear net cover 30.On the fan blade 60 of fan, be designed with fan blade axis hole 61, blade shaft hole 61 is assembled on motor shaft 112, and fan blade knob 70 is tightened, fan blade 60 is fixedly assemblied on motor shaft 112, realize driven by motor fan blade 60 and rotate.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Due to the straight section having on guard as position reference portion, so can carry out reference location with straight section when front mesh enclosure is assembled to rear net cover.Therefore, guard orientation assemble before and after can realizing, is convenient to user installation and uses.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (13)
1. a fan, comprises main body section (10), and the guard portion being connected with described main body section (10), and described guard portion comprises the front mesh enclosure (20) and the rear net cover (30) that removably connect, it is characterized in that,
Described rear net cover (30) has the first position reference portion, and described the first position reference portion comprises rear net cover straight section (31);
Described front mesh enclosure (20) has the second position reference portion matching with described the first position reference portion, and described the second position reference portion comprises the front mesh enclosure straight section (21) matching with described rear net cover straight section (31).
2. fan according to claim 1, is characterized in that,
Described rear net cover straight section (31) is four, and four described rear net cover straight sections (31) connect successively;
Described front mesh enclosure straight section (21) is four, four described front mesh enclosure straight sections (21) connect successively and with four described rear net cover straight sections (31) corresponding matching one by one.
3. fan according to claim 2, is characterized in that, four described rear net cover straight sections (31) are oppositely arranged between two, and four described front mesh enclosure straight sections (21) are oppositely arranged between two.
4. fan according to claim 3, is characterized in that, four described rear net cover straight sections (31) opposing parallel setting between two, four described front mesh enclosure straight sections (21) opposing parallel setting between two.
5. fan according to claim 4, it is characterized in that, the cross section of described rear net cover (30) is square, wherein, described four rear net cover straight sections (31) head and the tail connect successively and are square, the cross section of described front mesh enclosure (20) is and the equal-sized square of cross section of described rear net cover (30) that wherein, described four front mesh enclosure straight sections (21) head and the tail connect successively and are square.
6. fan according to claim 1, is characterized in that,
Described rear net cover straight section (31) is five, and five described rear net cover straight sections (31) connect successively;
Described front mesh enclosure straight section (21) is five, five described front mesh enclosure straight sections (21) connect successively and with five described rear net cover straight sections (31) corresponding matching one by one.
7. fan according to claim 6, it is characterized in that, the cross section of described rear net cover (30) is regular pentagon, wherein, described five rear net cover straight sections (31) head and the tail connect and are regular pentagon successively, the cross section of described front mesh enclosure (20) is and the equal-sized regular pentagon of cross section of described rear net cover (30) that wherein, described five front mesh enclosure straight sections (21) head and the tail connect and are regular pentagon successively.
8. according to the fan described in claim 2 or 6, it is characterized in that, between adjacent two described rear net cover straight sections (31), be connected by rear net cover arc section (32), between adjacent two described front mesh enclosure straight sections (21), be connected by front mesh enclosure arc section (22).
9. fan according to claim 8, it is characterized in that, two end points of described front mesh enclosure arc section (22) are identical to the corner dimension between the central point of described rear net cover (30) to two end points of the angle between the central point of described front mesh enclosure (20) and described rear net cover arc section (32), described angle is α, wherein, 50 ° of 0 ° of < α <.
10. fan according to claim 1, is characterized in that, described fan also comprises:
Guard circle (40), has draw-in groove on the internal surface of described guard circle (40), and described front mesh enclosure (20) embeds in described draw-in groove to interconnect with the periphery of described rear net cover (30).
11. fans according to claim 1, is characterized in that, the central part of described front mesh enclosure (20) has decorating structure portion (23).
12. according to the fan described in claim 2 or 6, it is characterized in that, the length ratio of adjacent described rear net cover straight section (31) is A, wherein, 1:1≤A≤1:2, the length ratio of adjacent described front mesh enclosure straight section (21) is B, wherein, 1:1≤B≤1:2.
13. fans according to claim 8, it is characterized in that, adjacent described rear net cover straight section (31) is C with the length ratio of rear net cover arc section (32), wherein, C≤1:5, adjacent described front mesh enclosure straight section (21) is D with the length ratio of front mesh enclosure arc section (22), wherein, and D≤1:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171080.2U CN203796623U (en) | 2014-04-09 | 2014-04-09 | Mechanical fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171080.2U CN203796623U (en) | 2014-04-09 | 2014-04-09 | Mechanical fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796623U true CN203796623U (en) | 2014-08-27 |
Family
ID=51378837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420171080.2U Expired - Fee Related CN203796623U (en) | 2014-04-09 | 2014-04-09 | Mechanical fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203796623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976158A (en) * | 2014-04-09 | 2015-10-14 | 珠海格力电器股份有限公司 | Fan |
-
2014
- 2014-04-09 CN CN201420171080.2U patent/CN203796623U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976158A (en) * | 2014-04-09 | 2015-10-14 | 珠海格力电器股份有限公司 | Fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 |