CN215633874U - Exhaust fan structure for suspended ceiling - Google Patents
Exhaust fan structure for suspended ceiling Download PDFInfo
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- CN215633874U CN215633874U CN202121483225.9U CN202121483225U CN215633874U CN 215633874 U CN215633874 U CN 215633874U CN 202121483225 U CN202121483225 U CN 202121483225U CN 215633874 U CN215633874 U CN 215633874U
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Abstract
The utility model provides an exhaust fan structure for furred ceiling, is including setting up the impeller that meets with the pivot of motor in the wind channel of fan frame, and the apron lid that has the ventilation hole connects on fan frame, be provided with the cavity that is used for holding the motor in the fan frame, this cavity is located the bottom in wind channel and forms third location boss after extending towards the bottom in wind channel, is provided with the wire hole on this third location boss, be provided with the assembly chamber that is used for holding electronic components on the fan frame, this assembly chamber is located the outside in wind channel, and the opening direction in wind channel sets up with the opening opposite direction in assembly chamber, and the wire hole is towards the opening direction in assembly chamber. The exhaust fan structure for the suspended ceiling further comprises a positioning cover, one end of the positioning cover is connected with the third positioning boss, and the other end of the positioning cover is connected to the opening of the assembling cavity. The positioning cover comprises a hollow connecting boss positioned at one end, a hollow middle boss positioned at the middle part and a flat cover positioned at the other end. The utility model has the characteristic of easy assembly.
Description
Technical Field
The utility model relates to an exhaust fan structure for a suspended ceiling.
Background
Chinese patent document No. CN 103835968A discloses a heat dissipation fan in 2014, 06 month 04, which comprises: the fan frame comprises a base plate part and a cover plate part, a side wall part is arranged between the base plate part and the cover plate part, and at least one part of the base plate part, the cover plate part and the side wall part is provided with an air inlet and an air outlet; a stator set arranged inside the fan frame; the fan wheel can be rotatably combined with the stator set, has a radial rotating range and has a minimum distance with the cover plate part of the fan frame; and the limiting piece is arranged between the base plate part and the cover plate part of the fan frame and is positioned outside the rotating range of the fan wheel. The use effect of the cooling fan is not ideal and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an exhaust fan structure for a suspended ceiling, which is easy to assemble, so as to overcome the defects in the prior art.
The exhaust fan structure for the suspended ceiling is structurally characterized in that a cavity for containing the motor is arranged in the fan frame, is located at the bottom of the air channel and extends towards the bottom of the air channel to form a third positioning boss, a wire outlet hole is formed in the third positioning boss, an assembly cavity for containing an electronic component is arranged on the fan frame and is located on the outer side of the air channel, the opening direction of the air channel is opposite to the opening direction of the assembly cavity, and the wire outlet hole faces towards the opening direction of the assembly cavity.
Furthermore, the exhaust fan structure for the suspended ceiling further comprises a positioning cover, one end of the positioning cover is connected with the third positioning boss, and the other end of the positioning cover is connected to the opening of the assembling cavity.
Furthermore, the positioning cover comprises a hollow connecting boss positioned at one end, a hollow middle boss positioned at the middle part and a flat cover positioned at the other end, wherein the connecting boss is connected with the third positioning boss, one part of the middle boss is connected with the outer side of the air duct, the other part of the middle boss and the flat cover are jointly covered on an opening of the assembly cavity, the connecting boss is communicated with the wire outlet hole, and the positioning cover, the third positioning boss, the air duct and the assembly cavity jointly enclose a wire passing channel.
Furthermore, the end part of the connecting boss is provided with a butt joint inclined plane which is pressed on the third positioning boss.
Furthermore, a wire passing hole is formed in the side wall of the middle boss.
Furthermore, the assembly cavity extends downwards to protrude out of the surface of the fan frame and is located on the outer side of the air duct, a second positioning boss is formed on the fan frame, and the assembly hole is formed in the second positioning boss and faces to the position of the ventilation hole.
Furthermore, a first positioning boss which is positioned outside the air duct and protrudes is arranged on the fan frame, a positioning groove for clamping a cover plate is arranged in the first positioning boss, and protruding plug pins are arranged on the cover plate and inserted in the positioning groove; the second positioning boss is positioned at the opposite side of the first positioning boss; the cover plate is clamped between the first positioning boss and the second positioning boss.
Furthermore, the positioning groove is formed between the positioning boss and the fan frame.
Furthermore, a limiting groove is further arranged on the fan frame and communicated with the positioning groove.
Furthermore, one end of the second positioning boss is arranged at a position close to the bell mouth of the air duct; the thickness of the fan frame is less than or equal to 125 mm.
The fan frame is internally provided with a cavity for accommodating a motor, the cavity is positioned at the bottom of the air duct and extends towards the bottom of the air duct to form a third positioning boss, the third positioning boss is provided with an outlet hole, the fan frame is provided with an assembly cavity for accommodating electronic components, the assembly cavity is positioned at the outer side of the air duct, the opening direction of the air duct is opposite to the opening direction of the assembly cavity, and the outlet hole faces the opening direction of the assembly cavity; when the motor is installed, the lead can be assembled in the assembly cavity along the lead outlet hole and is connected with the electronic component or the central control board in the assembly cavity, so that the assembly efficiency and the assembly quality are improved.
One end of the positioning cover is connected with the third positioning boss, and the other end of the positioning cover is connected to the opening of the assembling cavity; the safety performance of the product is improved due to the arrangement of the positioning cover.
The positioning cover comprises a hollow connecting boss positioned at one end, a hollow middle boss positioned in the middle and a flat cover positioned at the other end, wherein the connecting boss is connected with a third positioning boss, one part of the middle boss is connected with the outer side of the air duct, the other part of the middle boss and the flat cover are jointly covered on an opening of the assembly cavity, the connecting boss is communicated with the wire outlet hole, and the positioning cover, the third positioning boss, the air duct and the assembly cavity jointly enclose a wire passing channel; the safety performance of the lead can be further improved through the positioning cover.
The thickness of the fan frame is smaller than or equal to 125mm, so that the application range of the product is expanded, and the product can enter common families.
In conclusion, the utility model has the characteristic of easy assembly.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic rear perspective view of the positioning cover of the present invention.
Fig. 3 is a schematic front perspective view of the cover plate removed according to the present invention.
Fig. 4 is a schematic front perspective view of the cover plate.
Fig. 5 is a rear perspective view of the cover plate.
Fig. 6 is a schematic rear perspective view of a first application example of the present invention.
Fig. 7 is a schematic front perspective view of a first application example of the positioning cover.
Fig. 8 is a rear perspective view of a first application example of the positioning cover.
Fig. 9 is a rear perspective view illustrating a second application example of the present invention.
Fig. 10 is a perspective view of a second application example of the positioning cover.
Fig. 11 is a rear perspective view of a second application example of the positioning cover.
In the figure: the fan frame is 1, the second positioning boss is 1.1, the assembly hole is 1.1.2, the first positioning boss is 1.3, the third positioning boss is 1.3.1, the wire outlet hole is 1.4, the assembly cavity is 1.5, the limiting groove is 1.6, the cover plate is 2, the ventilation hole is 2.1, the flanging is 2.2, the convex ring is 2.3, the pin is 2.4, the positioning boss is 2.5, the impeller is 3, the rotating shaft is 4, the positioning cover is 5, the flat cover is 5.1, the middle boss is 5.2, the wire through hole is 5.2.1, and the connecting boss is 5.3.
After removing the cover
Detailed Description
The utility model is further described with reference to the following figures and examples.
First embodiment
Referring to fig. 1 to 8, the exhaust fan structure for a suspended ceiling includes an impeller 3 disposed in an air duct 1.6 of a fan frame 1 and connected to a rotating shaft 4 of a motor, a cover plate 2 having a vent hole 2.1 is connected to the fan frame 1 in a covering manner, a cavity for accommodating the motor is disposed in the fan frame 1, the cavity is located at the bottom of the air duct 1.6 and extends toward the bottom of the air duct 1.6 to form a third positioning boss 1.3, an outlet hole 1.3.1 is disposed on the third positioning boss 1.3, an assembly cavity 1.4 for accommodating an electronic component is disposed on the fan frame 1, the assembly cavity 1.4 is located outside the air duct 1.6, an opening direction of the air duct 1.6 is opposite to an opening direction of the assembly cavity 1.4, and the outlet hole 1.3.1 faces the opening direction of the assembly cavity 1.4.
The exhaust fan structure for the suspended ceiling further comprises a positioning cover 5, one end of the positioning cover 5 is connected with the third positioning boss 1.3, and the other end of the positioning cover 5 is connected to an opening of the assembling cavity 1.4.
The positioning cover 5 comprises a hollow connecting boss 5.3 positioned at one end, a hollow middle boss 5.2 positioned at the middle part and a flat cover 5.1 positioned at the other end, wherein the connecting boss 5.3 is connected with a third positioning boss 1.3, one part of the middle boss 5.2 is connected with the outer side of the air duct 1.6, the other part of the middle boss 5.2 and the flat cover 5.1 are jointly covered on an opening of the assembly cavity 1.4, the connecting boss 5.3 is communicated with the wire outlet hole 1.3.1, and the positioning cover 5, the third positioning boss 1.3, the air duct 1.6 and the assembly cavity 1.4 jointly enclose a wire passing channel.
And a wire passing hole 5.2.1 is formed in the side wall of the middle boss 5.2.
The assembly cavity 1.4 is protruded out of the surface of the fan frame 1 after extending downwards, is positioned at the outer side of the air duct 1.6 and forms a second positioning boss 1.1 on the fan frame 1, and the assembly hole 1.1.1 is formed in the second positioning boss 1.1 and faces to the position of the vent hole 2.1.
A first positioning boss 1.2 which is positioned at the outer side of the air duct 1.6 and protrudes is arranged on the fan frame 1, a positioning groove for clamping the cover plate 2 is arranged in the first positioning boss 1.2, a protruding pin 2.4 is arranged on the cover plate 2, and the pin 2.4 is inserted in the positioning groove; the second positioning boss 1.1 is positioned at the opposite side of the first positioning boss 1.2; the cover plate 2 is clamped between the first positioning boss 1.2 and the second positioning boss 1.1.
The positioning groove is formed between the positioning boss 1.2 and the fan frame 1.
The fan frame 1 is also provided with a limiting groove 1.5, and the limiting groove 1.5 is communicated with the positioning groove.
One end of the second positioning boss 1.1 is arranged at a position close to the bell mouth of the air duct 1.6; the thickness of the fan frame 1 is less than or equal to 125 mm.
Second embodiment
Referring to fig. 9-11, in the present embodiment, the end of the connecting boss 5.3 is provided with a butting inclined surface 5.3.1, and the butting inclined surface 5.3.1 is pressed against the third positioning boss 1.3.
The rest of the parts which are not described in the first embodiment are not described in detail.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an exhaust fan structure for furred ceiling, is including setting up impeller (3) that meets with pivot (4) of motor in wind channel (1.6) of fan frame (1), and apron (2) lid that has ventilation hole (2.1) connects on fan frame (1), characterized by be provided with the cavity that is used for holding the motor in fan frame (1), this cavity is located the bottom of wind channel (1.6) and forms third location boss (1.3) after extending towards the bottom of wind channel (1.6), is provided with wire outlet (1.3.1) on this third location boss (1.3), be provided with assembly chamber (1.4) that are used for holding electronic components on fan frame (1), this assembly chamber (1.4) is located the outside of wind channel (1.6), and the opening direction of wind channel (1.6) sets up with the opening direction in assembly chamber (1.4) is opposite, and wire outlet (1.3.1) is towards the opening direction in assembly chamber (1.4).
2. The exhaust fan structure for the suspended ceiling according to claim 1, further comprising a positioning cover (5), wherein one end of the positioning cover (5) is connected with the third positioning boss (1.3), and the other end of the positioning cover (5) is connected with the opening of the assembly cavity (1.4).
3. The exhaust fan structure for the suspended ceiling according to claim 2, wherein the positioning cover (5) comprises a hollow connecting boss (5.3) at one end, a hollow middle boss (5.2) at the middle part and a flat cover (5.1) at the other end, wherein the connecting boss (5.3) is connected with the third positioning boss (1.3), a part of the middle boss (5.2) is connected with the outer side of the air duct (1.6), the other part of the middle boss (5.2) and the flat cover (5.1) are jointly covered on the opening of the assembly cavity (1.4), the connecting boss (5.3) is communicated with the wire outlet hole (1.3.1), and the positioning cover (5), the third positioning boss (1.3), the air duct (1.6) and the assembly cavity (1.4) jointly enclose a wire passing channel.
4. The exhaust fan structure for suspended ceiling according to claim 3, characterized in that the end of the connection boss (5.3) is provided with a butting inclined surface (5.3.1), and the butting inclined surface (5.3.1) is crimped on the third positioning boss (1.3).
5. The exhaust fan structure for suspended ceiling according to claim 3, characterized in that the side wall of the middle boss (5.2) is provided with a wire through hole (5.2.1).
6. The exhaust fan structure for the suspended ceiling according to claim 1, wherein the assembly cavity (1.4) extends downwards and protrudes out of the surface of the fan frame (1) and is located outside the air duct (1.6) to form a second positioning boss (1.1) on the fan frame (1), and the assembly hole (1.1.1) is formed in the second positioning boss (1.1) and faces the position of the ventilation hole (2.1).
7. The exhaust fan structure for the suspended ceiling according to claim 6, wherein the fan frame (1) is provided with a first positioning boss (1.2) which is located outside the air duct (1.6) and protrudes, a positioning groove for clamping the cover plate (2) is arranged in the first positioning boss (1.2), a protruding pin (2.4) is arranged on the cover plate (2), and the pin (2.4) is inserted into the positioning groove; the second positioning boss (1.1) is positioned at the opposite side of the first positioning boss (1.2); the cover plate (2) is clamped between the first positioning boss (1.2) and the second positioning boss (1.1).
8. The exhaust fan structure for suspended ceilings according to claim 6, characterized in that said positioning slot is opened between positioning boss (1.2) and fan frame (1).
9. The exhaust fan structure for the suspended ceiling according to claim 8, wherein the fan frame (1) is further provided with a limiting groove (1.5), and the limiting groove (1.5) is communicated with the positioning groove.
10. The exhaust fan structure for the suspended ceiling according to claim 6, wherein one end of the second positioning boss (1.1) is disposed at a position close to a bell mouth of the air duct (1.6); the thickness of the fan frame (1) is less than or equal to 125 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121483225.9U CN215633874U (en) | 2021-06-30 | 2021-06-30 | Exhaust fan structure for suspended ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121483225.9U CN215633874U (en) | 2021-06-30 | 2021-06-30 | Exhaust fan structure for suspended ceiling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215633874U true CN215633874U (en) | 2022-01-25 |
Family
ID=79947186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121483225.9U Active CN215633874U (en) | 2021-06-30 | 2021-06-30 | Exhaust fan structure for suspended ceiling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215633874U (en) |
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2021
- 2021-06-30 CN CN202121483225.9U patent/CN215633874U/en active Active
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