CN210068542U - Sealing structure of fan - Google Patents
Sealing structure of fan Download PDFInfo
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- CN210068542U CN210068542U CN201920398204.3U CN201920398204U CN210068542U CN 210068542 U CN210068542 U CN 210068542U CN 201920398204 U CN201920398204 U CN 201920398204U CN 210068542 U CN210068542 U CN 210068542U
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Abstract
The utility model discloses a seal structure of fan, including last spiral case, spiral case and fan subassembly down, in traditional fan product, outside air gets into the back from the fresh air inlet, through the effect of rotating the fan blade, the air can be followed the wind channel and got into the gap between casing and the lower casing junction and flee, through setting up sealed windscreen clamping ring on last spiral case, when casing lock is under to go up the casing lock, the open position department of casing under going up the sealed windscreen clamping ring of spiral case can hugging closely, the problem that there is the gap at the position of being connected of casing and casing down on having eliminated traditional fan product, the air escape in the wind channel has been avoided, and then by a wide margin the air output of fan has been improved, and by a wide margin the promotion wind pressure.
Description
Technical Field
The utility model relates to a fan field especially relates to a seal structure of fan.
Background
The fan is an impeller machine and is widely applied to the fields of energy, environment, aviation and the like. The fan is one of four main components of a dust removal ventilation system, and is a relatively precise operation machine. A negative pressure is formed inside the blower by the rotation of the impeller, and external air is sucked and discharged through the impeller flow path and the scroll. The fan is also the auxiliary production equipment that stone material processing enterprise commonly used simultaneously, and it mainly used ventilates and dust collector. For example, cyclones and bag filters in stone cutting, grinding processes require the use of fans to remove dust from the production site to ensure production. Meanwhile, the environment is ensured to be clean, and the health of a producer is protected.
However, a large gap exists at a connection position between an upper volute and a lower volute of the existing fan, the gap is straight and has no bending, and the difference between the internal pressure and the external pressure of the fan is large, so that air in an air duct is easy to escape to the outside of the fan along the gap, the air output of the fan is greatly reduced, and the air pressure is also greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing one kind and can eliminating the gap between spiral case and the lower spiral case connection position, promote the seal structure of the fan of air output and wind pressure.
The purpose of the utility model is realized through the following technical scheme:
a sealing structure of a blower, comprising:
the upper volute comprises an upper shell, a sealing windshield pressure ring and a buckling part, wherein the sealing windshield pressure ring is arranged at the opening position of the upper shell, and the buckling part is arranged on the upper shell;
the lower volute comprises a lower shell and a clamping position, the clamping position is arranged on the lower shell, the sealing windshield pressure ring is tightly pressed at the opening position of the lower shell, and the clamping part is buckled with the clamping position;
and the fan assembly is arranged in a space enclosed by the upper shell and the lower shell.
In one embodiment, an unfilled corner inclined plane is arranged at the opening position of the lower shell, and the sealing windshield pressure ring is tightly pressed on the unfilled corner inclined plane.
In one embodiment, the fan assembly includes a rotating member and a driving member, the rotating member is disposed on the driving member, and the driving member is disposed on the lower housing.
In one embodiment, the rotating member includes a top mounting plate, a bottom mounting plate and a plurality of rotating blades, one end of each rotating blade is disposed on the top mounting plate, the other end of each rotating blade is disposed on the bottom mounting plate, and a space is disposed between the rotating blades.
In one embodiment, the top mounting plate is provided with a through hole, the upper shell is provided with an air inlet hole, and the through hole is communicated with the air inlet hole.
In one embodiment, the top mounting plate has a circular cross-section.
In one embodiment, the bottom mounting plate has a circular cross-section.
In one embodiment, the driving member includes a motor, a bearing housing disposed on the motor, and a bearing disposed in the bearing housing.
In one embodiment, the driving member further includes a circuit board, a fixing plate and a socket, the fixing plate is disposed on the circuit board, the socket is disposed on the circuit board, and the fixing plate is disposed on the bearing sleeve.
In one embodiment, the fixing plate is provided with a plurality of welding points, and a space is respectively arranged between the welding points.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to a seal structure of fan, in traditional fan product, outside air gets into the back from the fresh air inlet, through the effect of rotating the fan blade, the air can be along the wind channel and get into the gap between casing and the lower casing junction and overflow, through set up sealed windscreen clamping ring on last spiral case, when going up the casing lock casing down, the open position department of casing down can be hugged closely to the sealed windscreen clamping ring of going up the spiral case, there is the problem in gap at the position of being connected of casing and lower casing on having eliminated traditional fan product, the air escape in the wind channel has been avoided, and then by a wide margin the air output of fan has been improved, and by a wide margin the promotion wind pressure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a sealing structure of a fan according to an embodiment of the present invention;
fig. 2 is an internal schematic view of a sealing structure of a blower according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a sealing structure of a blower according to another embodiment of the present invention;
fig. 4 is a partially enlarged schematic view of a sealing structure of a blower according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a sealing structure of a blower includes an upper volute 100, a lower volute 200, and a blower assembly, where the upper volute 100 and the lower volute 200 both protect internal components, and the blower assembly 300 enables air entering the blower to flow at a high speed and be discharged.
Referring to fig. 2, 3 and 4, the upper volute 100 includes an upper casing 110, a sealing damper compression ring 120 and a fastening portion 130, the sealing damper compression ring 120 is disposed at an opening of the upper casing 110, and the fastening portion 130 is disposed on the upper casing 110; the lower volute 200 comprises a lower casing 210 and a fastening position, the fastening position is arranged on the lower casing 210, the sealing windshield pressing ring 120 is tightly pressed at the opening position of the lower casing 210, and the fastening part 130 is fastened with the fastening position; the fan assembly 300 is disposed in a space enclosed by the upper case 110 and the lower case 210.
It should be noted that the sealing windshield press ring 120 is a windshield having a triangular inclined surface, so that in the process of buckling the upper housing 110 and the lower housing 210, the sealing windshield press ring 120 tightly presses the opening position of the lower housing 210, and since the upper housing 110 is provided with the buckling part 130 and the lower housing 210 is provided with the buckling position, the sealing windshield press ring 120 is more tightly pressed with the opening position of the lower housing 210 by the buckling manner. After the outside air got into from the fresh air inlet, through the effect of rotating the fan blade, can flow along the wind channel, in traditional fan product, because there is great clearance in the junction of last casing 110 and lower casing 210, the air can be escaped from the gap very easily, and then the air output that leads to the fan is few, the wind pressure also descends by a wide margin, through the design of this application, the clearance between last casing 110 and lower casing 210 junction has been eliminated, thereby guaranteed that inside air can not escape, air output and wind pressure have been improved.
Therefore, in a traditional fan product, after external air enters from the air inlet hole, the air can enter a gap between the joint of the upper shell 110 and the lower shell 210 along the air duct to escape under the action of the rotating fan blades 313, the sealing windshield pressing ring 120 is arranged on the upper volute 100, and when the upper shell 110 is buckled on the lower shell 210, the sealing windshield pressing ring 120 of the upper volute 100 can be tightly attached to the opening position of the lower shell 210, so that the problem that a gap exists at the joint of the upper shell 110 and the lower shell 210 of the traditional fan product is solved, the air in the air duct is prevented from escaping, the air output of the fan is greatly improved, and the air pressure is greatly improved.
Referring to fig. 2 again, in one embodiment, the fan assembly 300 includes a rotating member 310 and a driving member 320, the rotating member 310 is disposed on the driving member 320, and the driving member 320 is disposed on the lower housing 210.
Referring to fig. 2 again, in one embodiment, the rotating member 310 includes a top mounting plate 311, a bottom mounting plate 312 and a plurality of rotating blades 313, one end of each rotating blade 313 is disposed on the top mounting plate 311, the other end of each rotating blade 313 is disposed on the bottom mounting plate 312, and a space is disposed between each rotating blade 313.
Specifically, the top mounting plate 311 has a via hole, and the upper housing 110 has an air inlet hole, which is communicated with the air inlet hole. And the top mounting plate 311 has a circular cross-section and the bottom mounting plate 312 has a circular cross-section.
It should be noted that circular grooves are respectively formed on the top mounting plate 311 and the bottom mounting plate 312, so as to provide a space for placing balance mud, and further facilitate the adjustment of the dynamic balance of the rotating fan 313 by the worker.
In addition, the rotary member 310 further includes a protrusion having an arc-shaped inclined surface, and the protrusion is configured to have the arc-shaped inclined surface, so that on one hand, the wind direction of the air entering the fan can be guided, and the air output can be increased; on the other hand, the protrusion is provided with a round hole, which is convenient for the connection of the motor rotating shaft and better drives the rotating fan blade 313 to rotate.
Referring to fig. 2 again, in one embodiment, the driving member 320 includes a motor, a bearing housing 321 and a bearing, the bearing housing 321 is disposed on the motor, and the bearing is disposed in the bearing housing 321.
Specifically, the driving member further includes a circuit board 322, a fixing plate 323 and a socket 324, wherein the fixing plate 323 is disposed on the circuit board 322, the socket 324 is disposed on the circuit board 322, and the fixing plate 323 is disposed on the bearing housing 321.
More specifically, the fixing plate 323 is provided with a plurality of welding points, and spaces are provided between the welding points, respectively.
It should be noted that the bearing sleeve 321 is used for protecting the bearing, and the outer shaft of the motor can be better rotated by the provision of the bearing; the fixing plate 323 is provided with a plurality of positioning columns and a plurality of supporting columns, and the plurality of supporting columns are provided with corresponding via holes. Through the positioning columns, workers can conveniently and quickly install the fixing plate 323, and the foolproof effect is achieved; the fan is conveniently electrically connected with an external power supply through the socket 324, meanwhile, a plurality of clamping rings are arranged on the fixing plate 323, and each clamping ring is used for fixing the bearing sleeve 321 and the circuit board 322. Further, through setting up circuit board 322, can provide the power for the motor coil, and then make the motor coil produce magnetic field, make the pivot of motor and the shell of motor rotate, provide the power for whole fan. The fixing plate 323 is provided with a plurality of solder pads, and each solder pad is filled with solder.
Referring to fig. 4, in another embodiment, an unfilled corner inclined plane is disposed at the opening position of the lower housing 210, and the sealing damper compression ring 120 is tightly pressed on the unfilled corner inclined plane.
It should be noted that, by providing the unfilled corner slope at the opening of the lower casing 210, the sealing damper compression ring 120 is tightly pressed on the unfilled corner slope, so as to eliminate the gap between the connecting positions of the upper casing 110 and the lower casing 210, and further prevent air from escaping, thereby achieving the sealing effect.
Compared with the prior art, the utility model has the advantages of it is following:
in traditional fan product, outside air gets into the back from the fresh air inlet, through the effect of rotating the fan blade, the air can be followed the wind channel and got into the gap between casing and the lower casing junction and flee, through set up sealed windscreen clamping ring on last spiral case, when going up the casing lock casing down, the opening position department of casing under can being hugged closely to the sealed windscreen clamping ring of going up the spiral case, the problem that there is the gap in the position of being connected of casing and lower casing on having eliminated traditional fan product, the air escape in the wind channel has been guaranteed, and then by a wide margin the air output of fan has been improved, and by a wide margin the promotion wind pressure.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A sealing structure of a fan, comprising:
the upper volute comprises an upper shell, a sealing windshield pressure ring and a buckling part, wherein the sealing windshield pressure ring is arranged at the opening position of the upper shell, and the buckling part is arranged on the upper shell;
the lower volute comprises a lower shell and a clamping position, the clamping position is arranged on the lower shell, the sealing windshield pressure ring is tightly pressed at the opening position of the lower shell, and the clamping part is buckled with the clamping position;
and the fan assembly is arranged in a space enclosed by the upper shell and the lower shell.
2. The sealing structure of the fan according to claim 1, wherein an unfilled corner inclined plane is provided at the opening position of the lower casing, and the sealing windshield pressure ring is tightly pressed on the unfilled corner inclined plane.
3. The sealing structure of a blower according to claim 1, wherein the blower assembly includes a rotary member and a driving member, the rotary member being disposed on the driving member, and the driving member being disposed on the lower housing.
4. The sealing structure of a blower according to claim 3, wherein the rotary member includes a top mounting plate, a bottom mounting plate, and a plurality of rotary blades, one end of each rotary blade is disposed on the top mounting plate, the other end of each rotary blade is disposed on the bottom mounting plate, and a space is disposed between each rotary blade.
5. The sealing structure of a blower according to claim 4, wherein a via hole is formed in the top mounting plate, and an air inlet hole is formed in the upper casing, and the via hole is communicated with the air inlet hole.
6. The seal structure of a blower of claim 4, wherein the top mounting plate has a circular cross-section.
7. The seal structure of a blower of claim 4, wherein the bottom mounting plate has a circular cross-section.
8. The sealing structure of a blower according to claim 3, wherein the driving member includes a motor, a bearing housing provided on the motor, and a bearing provided in the bearing housing.
9. The sealing structure of a blower according to claim 8, wherein the driving member further includes a circuit board, a fixing plate, and a socket, the fixing plate is disposed on the circuit board, the socket is disposed on the circuit board, and the fixing plate is disposed on the bearing housing.
10. The sealing structure of the blower according to claim 9, wherein a plurality of welding points are provided on the fixing plate, and a space is provided between each welding point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398204.3U CN210068542U (en) | 2019-03-26 | 2019-03-26 | Sealing structure of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398204.3U CN210068542U (en) | 2019-03-26 | 2019-03-26 | Sealing structure of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210068542U true CN210068542U (en) | 2020-02-14 |
Family
ID=69434660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920398204.3U Active CN210068542U (en) | 2019-03-26 | 2019-03-26 | Sealing structure of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210068542U (en) |
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2019
- 2019-03-26 CN CN201920398204.3U patent/CN210068542U/en active Active
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Address after: 516006 No. 8, Songlin Road, community 6, Songshan Industrial Park, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee after: Huizhou Aimeijia magnetoelectric Technology Co.,Ltd. Address before: 516006 No.8, Songlin Road, No.6 community, Songshan Industrial Park, Zhongkai Development Zone, Huizhou City, Guangdong Province Patentee before: HUIZHOU SANXIE MAGNETIC TECHNOLOGY CO.,LTD. |