CN218377028U - Belt wheel structure of negative pressure fan - Google Patents
Belt wheel structure of negative pressure fan Download PDFInfo
- Publication number
- CN218377028U CN218377028U CN202222661830.1U CN202222661830U CN218377028U CN 218377028 U CN218377028 U CN 218377028U CN 202222661830 U CN202222661830 U CN 202222661830U CN 218377028 U CN218377028 U CN 218377028U
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- Prior art keywords
- pulley body
- leaf
- palm
- band pulley
- negative
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- 125000004122 cyclic group Chemical group 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a negative-pressure air fan band pulley structure, hold in the palm and the band pulley body including wheel hub, leaf, on wheel hub was located to the one end that the leaf held in the palm, the other end that the leaf held in the palm was fixed in on the band pulley body, the band pulley body is cyclic annular, be equipped with the trough of belt on the band pulley body, the slope setting is held in the palm to the leaf, wheel hub, leaf hold in the palm and band pulley body integrated into one piece, when the band pulley body rotates, the band pulley body held in the palm the leaf and played the supporting role. The utility model provides a pair of negative-pressure air fan band pulley structure, intensity is high, and the security is good, and production efficiency is high.
Description
Technical Field
The utility model relates to a negative-pressure air fan technical field, specifically speaking relates to a negative-pressure air fan band pulley structure.
Background
The existing impeller structure of the negative pressure fan is divided into two parts, the blade angle component and the fan impeller are produced in different production workshops respectively during production, and the two parts are assembled after production is completed, so that the production process steps are too many, the production cost is high, during assembly, the divided accessories need to be assembled together to form the complete impeller structure of the negative pressure fan, the problem of insufficient assembly precision exists, the installation is troublesome, and the overall structural strength of the impeller structure of the negative pressure fan which is divided into two parts is weak.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a negative-pressure air fan band pulley structure, intensity is high, and the security is good, and production efficiency is high.
The utility model discloses a technical scheme that negative-pressure air fan band pulley structure adopted is:
the utility model provides a negative-pressure air fan band pulley structure, includes that wheel hub, leaf hold in the palm and the band pulley body, the one end that the leaf held in the palm is located on wheel hub, and the other end that the leaf held in the palm is fixed in on the band pulley body, the band pulley body is cyclic annular, be equipped with the trough of belt on the band pulley body, the slope of leaf support sets up, wheel hub, leaf hold in the palm and band pulley body integrated into one piece, when the band pulley body rotates, wheel hub holds in the palm the leaf and plays the supporting role.
As the preferred scheme, the belt wheel structure of the negative pressure fan further comprises a shaft sleeve, a bearing and an elastic check ring, wherein the shaft sleeve is arranged on the bearing sleeve, the elastic check ring is arranged at one end of the shaft sleeve and used for fixing the bearing on the shaft sleeve, a shaft hole is formed in the center of the wheel hub, and the shaft sleeve, the bearing and the elastic check ring are arranged in the shaft hole.
As a preferred scheme, the shaft sleeve is provided with a limiting groove, and the elastic check ring is arranged in the limiting groove.
As preferred scheme, negative-pressure air fan band pulley structure still includes the circle stopper, in the axle hole was located to the circle stopper, sealed the circlip in the axle hole.
Preferably, a supporting column is arranged between the blade support and the belt wheel body.
Preferably, the pulley body, the blade support and the hub are integrally formed by die casting.
The utility model discloses a negative-pressure air fan band pulley structure's beneficial effect is: the hub, the blade support and the belt wheel body are integrally formed, the assembling time is shortened, the production efficiency is high, one end of the blade support is arranged on the hub, the other end of the blade support is fixed on the belt wheel body, the blade support is obliquely arranged, when the belt wheel body rotates, the hub plays a role in supporting the blade support, the compressive resistance is generally higher than the tensile resistance, and therefore the negative pressure fan belt wheel structure is high in strength and good in safety.
Drawings
Fig. 1 is a schematic overall structure diagram of the belt pulley structure of the negative pressure fan of the present invention;
fig. 2 is an explosion structure schematic diagram of the belt wheel structure of the negative pressure fan of the present invention;
fig. 3 is a schematic perspective view of the belt wheel structure of the negative pressure fan of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1 to 3, a belt pulley structure of a negative pressure fan includes a hub, a blade holder 2, a belt pulley body 1, a shaft sleeve 3, a bearing 4, a circlip 5, and a round plug 6, wherein a shaft hole is formed in the center of the hub, and the shaft sleeve 3, the bearing 4, and the circlip 5 are disposed in the shaft hole.
On wheel hub was located to the one end of leaf support 2, the other end was fixed in on the driving pulley body 1 through support column 7, the other end of leaf support 2 is located to support column 7 one end, and the other end is located on driving pulley body 1, the slope of leaf support 2 sets up, wheel hub, leaf support 2, driving pulley body 1 and support column 7 integrated into one piece, specific accessible die-casting fashioned mode is made, reduces the equipment time, and production efficiency is high.
The pulley body 1 is annular, a belt groove is formed in the pulley body 1, referring to fig. 2, the belt groove is an a-shaped groove, and the motor drives the pulley body 1 to rotate through a belt sleeved on the belt groove. When the pulley body 1 rotates, the pulley body 1 supports the blade support 2, and the bearing capacity of the blade support 2 is enhanced.
The bearing 4 is sleeved on the shaft sleeve 3, a limiting groove is formed in the shaft sleeve 3, the elastic check ring 5 is arranged in the limiting groove in the shaft sleeve 3, the bearing 4 is fixed on the shaft sleeve 3, the bearing 4 and the shaft sleeve 3 are pressed into a shaft hole of the wheel hub by utilizing a special pressing-in tooling die, the concentricity of the bearing 4, the shaft sleeve 3 and the pulley body 1 is ensured, the round plug 6 is arranged in the shaft hole, the elastic check ring 5 is sealed in the shaft hole, dust is prevented from entering, and the decoration is attractive. The bearing 4 is a high-precision mute double-row angular contact ball bearing.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a negative-pressure air fan band pulley structure, includes wheel hub, leaf support and pulley body, its characterized in that, on wheel hub was located to the one end that the leaf held in the palm, the other end that the leaf held in the palm was fixed in on the pulley body, the pulley body is cyclic annular, be equipped with the trough of belt on the pulley body, the slope of leaf support sets up, wheel hub, leaf support and pulley body integrated into one piece, when the pulley body rotates, wheel hub held in the palm the leaf and plays the supporting role.
2. The belt wheel structure of a negative pressure fan according to claim 1, further comprising a shaft sleeve, a bearing and a circlip, wherein the bearing sleeve is disposed on the shaft sleeve, the circlip is disposed at one end of the shaft sleeve to fix the bearing on the shaft sleeve, a shaft hole is disposed in the center of the hub, and the shaft sleeve, the bearing and the circlip are disposed in the shaft hole.
3. The belt pulley structure of negative-pressure air blower of claim 2, wherein the shaft sleeve is provided with a limiting groove, and the elastic retainer ring is arranged in the limiting groove.
4. The pulley structure of a negative pressure fan according to claim 3, further comprising a round plug disposed in the shaft hole to seal the circlip in the shaft hole.
5. The belt pulley structure of the negative-pressure fan as claimed in any one of claims 1 to 4, wherein a support column is arranged between the blade support and the belt pulley body.
6. The negative pressure fan pulley structure of claim 5, wherein the pulley body, the blade support and the hub are integrally die-cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222661830.1U CN218377028U (en) | 2022-10-10 | 2022-10-10 | Belt wheel structure of negative pressure fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222661830.1U CN218377028U (en) | 2022-10-10 | 2022-10-10 | Belt wheel structure of negative pressure fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218377028U true CN218377028U (en) | 2023-01-24 |
Family
ID=84929602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222661830.1U Active CN218377028U (en) | 2022-10-10 | 2022-10-10 | Belt wheel structure of negative pressure fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218377028U (en) |
-
2022
- 2022-10-10 CN CN202222661830.1U patent/CN218377028U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |