CN2782998Y

CN2782998Y - Integrated double-head fan

Info

Publication number: CN2782998Y
Application number: CN 200520007799
Authority: CN
Inventors: 王胜健
Original assignee: TAIXING TOY (SHENZHEN) CO Ltd
Current assignee: TAIXING TOY (SHENZHEN) CO Ltd
Priority date: 2005-04-01
Filing date: 2005-04-01
Publication date: 2006-05-24
Anticipated expiration: 2015-04-01

Abstract

The utility model relates to an integrated double-head fan, which is composed of an upper casing, a lower casing, a positioning plate and a motor, wherein the positioning plate is arranged between the upper and the lower casings to form two airflow channels, the upper and the lower casings are tightly adjacent side by side to reduce the lower side part of the integrated double-head fan so as to reduce the space occupation of the lower side part, and only one positioning plate can be used for sealing the bottom end of the upper casing and the top end of the lower casing to form two airflow channels. As a result, the effects of assembling object reduction, manufacturing cost reduction, etc. can be achieved.

Description

Integral type double end blower fan

Technical field

The utility model is about a kind of integral type double end blower fan, especially refer to that a kind of upper shell and lower shell body are close to is set up in parallel, make the downside position formation of integral type double end blower fan dwindle form, take and can reduce the lower side bit space, and as long as a slice positioning plate can seal the upper shell bottom and the lower shell body top makes it form two air-flow paths, so can reach effects such as reducing assembly object and reduction manufacture cost.

Background technique

Known integral type double end blower fan is as Figure 6 and Figure 7, by upper shell 70, middle shell 80 and lower shell body 90 constitute, in the top board 71 of upper shell 70 inlet hole 72 is set, top board 71 peripheries form metope downwards, and form a section of protruding out 711 in top board 71 peripheries, the section of protruding out 711 downsides form pore 73, these middle shell 80 tops are provided with positioning plate 83 and are closed in upper shell 70 bottoms, one motor 81 is set in middle shell 80, motor 81 has the axle 82 of stretching out motor 81 in two ends, middle shell 80 bottoms are provided with lower shell body 90, in the base plate 91 of lower shell body 90 inlet hole 92 is set, mold on the base plate 91 of inlet hole 92 peripheries and protect frame 95, base plate 91 peripheries upwards form metope, and form a section of protruding out 911 in base plate 91 peripheries, the section of protruding out 911 downsides form pore 94, in lower shell body 90 tops one positioning plate 93 is set and is closed in lower shell body 90 tops, these middle shell 80 inner set motor 81 axles 82 two ends are stretched into respectively in upper shell 70 and the lower shell body 90, and centrifugal impeller 84 is set in axle 82 two ends, 85, and can starting motor 81 impeller 84,85 rotation priming ambient airs are via inlet hole 72,92 enter lower shell body 70,90, and allow the air-flow can be by air outlet hole 73,94 places outwards blow out.

Above-mentioned integral type double end blower fan structure, owing in the upper and lower casing 70,90 impeller 84,85 is set, so on installing is used, can take quite huge space, and making in the manufacturing group needs with two positioning plates, 83,93 deblocking upper shells, 70 bottoms and lower shell body 90 tops, and cause that assembly object is various, problems such as increase manufacturing time and cost.

The model utility content

The utility model purpose is to provide a kind of " integral type double end blower fan ", it is upper shell and lower shell body to be close to be set up in parallel, take and can reduce lower side space, and as long as with a slice positioning plate, can seal upper shell bottom and lower shell body top and form two air-flow paths, and can reach purposes such as reducing assembly object and reduction manufacture cost.

Be structure characteristic and the technology contents of reaching above-mentioned purpose, the utility model " integral type double end blower fan " comprising:

One upper shell, it has a top board, and an inlet hole is set in the top board, and the top board periphery forms a metope downwards, and forms the section of protruding out in the top board periphery, and the section of protruding out downside forms pore;

One lower shell body, it has a ring plate, and the inner collar place of ring plate extends into a metope downwards, the metope bottom forms a base plate, and an inlet hole is set in the base plate, and ring plate periphery upwards forms a metope, and form the section of protruding out in ring plate periphery, the section of protruding out upside forms pore;

One positioning plate, its location are arranged between upper shell and lower shell body, can be sealed and form two air-flow paths for upper shell bottom and lower shell body top, and a bearing support is set in the positioning plate, and a bearing is set in the bearing support;

One motor, it is arranged in the containing space of lower shell body, and motor has an axle, one impeller is set on the axle, and this impeller is positioned at the ring plate upside of lower shell body, and axle upwards passes bearing, and another impeller is set in the axle end, make another impeller be arranged in upper shell.

Design whereby, upper shell and lower shell body are close to be set up in parallel, make the downside position formation of integral type double end blower fan dwindle form, and can reduce the space hold at downside position, the assembling of integral type double end blower fan is used more can cooperate the inner space of general device to be installed, and, during fabrication, as long as a slice positioning plate can seal upper shell bottom and lower shell body top, make it form two air-flow paths, so can reach effects such as reducing assembly object and reduction manufacture cost.

Description of drawings

Fig. 1: the utility model three-dimensional exploded view;

Fig. 2: the utility model combination appearance figure;

Fig. 3: the utility model combination top view;

Fig. 4: the utility model assembled sectional view;

Fig. 5: the utility model is formed the schematic perspective view of another corner form;

Fig. 6: existing integral type double end blower fan schematic perspective view;

Fig. 7: existing integral type double end blower fan assembled sectional view.

Embodiment

Cooperation is referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, and the utility model " integral type double end blower fan " wherein comprising:

One upper shell 10, it has a top board 11, and an inlet hole 12 is set in the top board 11, and top board 11 peripheries form a metope 13 downwards, and form a section of protruding out 111 in top board 11 peripheries, and the section of protruding out 111 downsides form pore 15;

One lower shell body 60, it has a ring plate 61, the inner collar place of ring plate 61 extends into a metope 65 downwards, metope 65 bottoms form a base plate 66, one inlet hole 67 is set in the base plate 66, and ring plate 61 peripheries upwards form a metope 62, and form a section of protruding out 611 in ring plate 61 peripheries, and the section of protruding out 611 upsides form pore 64;

One positioning plate 30, its location are arranged on 60 of upper shell 10 and lower shell bodys, can be sealed and form two air-flow paths for upper shell 10 bottoms and lower shell body 60 tops, and a bearing support 31 is set in the positioning plate 30, and a bearing 34 is set in the bearing support 31;

One motor 50, it is arranged in the containing space 68 of lower shell body 60, motor 50 has an axle 51, one impeller 40 is set on the axle 51, this impeller 40 is positioned at ring plate 61 upsides of lower shell body 60, and axle 51 upwards passes bearing 34, and in axle 51 ends another impeller 20 is set, and makes another impeller 20 be arranged in upper shell 10.

Metope 65 places of above-mentioned lower shell body 60 form a protuberance 651, and a perforation 652 supply lines penetrate containing space 68 and motor 50 is electrically connected but protuberance 651 surfaces are provided with;

Said motor 50 axles 51 terminal edge places are provided with an annular groove 511, can give fixedly after axle 51 wears impeller 40, bearing 34, impeller 20 in annular groove 511 sheathed snap rings 35, prevent that impeller 20 from coming off;

Several perforation 301 are set on the above-mentioned positioning plate 30, and form several lugs with perforation 32 in periphery, and protrude out closed end limit, two places 33 in periphery, closed end limit, two places 33 towards be form 180 degree parallel on the contrary towards, wherein a closed end limit 33 is with respect to the section of protruding out 111 positions of upper shell 10, and it is identical with the section of protruding out 111 size of upper shell 10 and can be closed in the section of protruding out 111 downsides of upper shell 10, and another closed end limit 33 is with respect to the section of protruding out 611 positions of lower shell body 60, and identical with the section of protruding out 611 sizes of lower shell body 60 and can be closed in the section of protruding out 611 upsides of lower shell body 60;

Again, the lower shell body 60 metopes 62 apical margins outside forms several and has the lug 63 of perforation, perforation 301 set in lug 63 and the positioning plate 30 forms relative, when positioning plate 30 is closed in lower shell body 60 tops, can several self tapping screws pass positioning plate 30 perforation 301 respectively and be screwed in 63 perforation of lower shell body 60 lugs and locked, and 33 sides formed lug 32 in positioning plate 30 1 closed end limits also forms relatively with the set lug 63 in the lower shell body 60 metopes 62 apical margins outsides, can also self tapping screw passes lug 32 perforation and is screwed into lug 63 and locked in boring a hole;

The aforementioned upper shell 10 metopes 13 root edges outside forms the lug 14 that several bottoms have groove, the lug 14 of upper shell 10 and the lug of positioning plate 30 32 forms relative, bores a hole and is screwed in upper shell 10 lugs 14 grooves and locked and can self tapping screw pass positioning plate 30 lugs 32 from lower to upper.

Cooperation is referring to shown in Figure 4, when motor 50 starts, can axle 51

impeller

20,40 rotate, and via

inlet hole

12,67 respectively the priming ambient air enter in upper shell 10 and the lower shell body 60, and the air that the external world enters can and outwards be blown out by

air outlet hole

15,64 places via

impeller

20,40 rotations.

Again as shown in Figure 5, it is the schematic perspective view that the utility model is formed another corner form, on this positioning plate 30 several perforation also are set, and form several lugs with perforation 32 in periphery, and in closed end limit, two places 33 that periphery protruded out out towards be form 90 degree vertical towards, make the

air outlet hole

15,64 of integral type double end blower fan can form the vertical turnover of 90 degree form.

Therefore, via detailed descriptions such as said structure feature, assembling, operations, can know and find out that the utility model design feature is:

" the integral type double end blower fan " that provides a kind of upper shell 10 and lower shell body 60 to be close to be set up in parallel, making blower fan downside position form the metope 65 that dwindles form centers on, and can reduce the space hold at downside position, make the assembling application of integral type double end blower fan more can cooperate the inner space of general installations to be installed, and, getting the raw materials ready and making in the assembling, as long as a slice positioning plate 30 can seal upper shell 10 bottoms and lower shell body 60 tops, make it form two air-flow paths, this is compared to prior art, more can reach effects such as reducing assembly object and reduction manufacture cost, and really be a kind of integral type double end fan design of excellence.

Claims

1. an integral type double end blower fan is characterized in that, comprising:

2. integral type double end blower fan as claimed in claim 1 is characterized in that, wherein, the metope place of lower shell body forms a protuberance, penetrates containing space and is electrically connected with motor but the protuberance surface is provided with a perforation supply lines.

3. integral type double end blower fan as claimed in claim 2 is characterized in that, wherein, the terminal edge of motor spindle place is provided with an annular groove, can a sheathed snap ring in the annular groove.

4. as claim 1,2 or 3 described integral type double end blower fans, it is characterized in that, wherein, several perforation are set on the positioning plate, and form the lug that several have perforation in periphery.

5. integral type double end blower fan as claimed in claim 4, it is characterized in that, wherein, the positioning plate periphery protrudes out closed end limit, two places, wherein a closed end limit is with respect to the fragment position that protrudes out of upper shell, and identical with the section of protruding out of upper shell size and can be closed in the section of the protruding out downside of upper shell, and another closed end limit is with respect to the fragment position that protrudes out of lower shell body, and big or small identical and can be closed in the section of the protruding out upside of lower shell body with the section of protruding out of lower shell body.

6. integral type double end blower fan as claimed in claim 5 is characterized in that, wherein, closed end limit, two places towards be form 180 degree parallel on the contrary towards.

7. integral type double end blower fan as claimed in claim 5, it is characterized in that, wherein, the lower shell body metope apical margin outside forms several and has the lug of perforation, set perforation forms relatively in lug and the positioning plate, is locked and can several self tapping screws pass the positioning plate perforation respectively and be screwed in the perforation of lower shell body lug.

8. integral type double end blower fan as claimed in claim 5, it is characterized in that, wherein, the upper shell metope root edge outside forms the lug that several bottoms have groove, it is relative that the lug of upper shell and the lug of positioning plate form, and locked and can self tapping screw pass the perforation of positioning plate lug from lower to upper and be screwed in the upper shell lug groove.

9. integral type double end blower fan as claimed in claim 5 is characterized in that, wherein, closed end limit, two places towards be form 90 degree vertical towards.