CN202220749U - Connection structure of wind wheel and rotating shaft of blower - Google Patents
Connection structure of wind wheel and rotating shaft of blower Download PDFInfo
- Publication number
- CN202220749U CN202220749U CN2011203204411U CN201120320441U CN202220749U CN 202220749 U CN202220749 U CN 202220749U CN 2011203204411 U CN2011203204411 U CN 2011203204411U CN 201120320441 U CN201120320441 U CN 201120320441U CN 202220749 U CN202220749 U CN 202220749U
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- rotating shaft
- wind wheel
- base plate
- boss
- axle sleeve
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Abstract
The utility model discloses the connection structure of the wind wheel and the rotating shaft of a blower, which comprises a wind wheel (1), a rotating shaft (2) and a shaft sleeve (3). The wind wheel (1) comprises a bottom plate (11). A boss (12) arranged on the bottom plate (11) is axially and outwardly protruded out of the bottom plate (11). The center of the boss (12) is provided with a through hole (120). The rotating shaft (2) passes through the through hole (120). A screw thread (21) arranged at the tail end of the rotating shaft (2) is embedded in the screwed hole (31) of the shaft sleeve (3). The shaft sleeve (3) and the bottom plate (11) are combined together through injection, or the shaft sleeve (3) is pressed on the inner surface of the bottom plate (11). The rotating shaft (2) is provided with a step (22). The step (22) clings to the end face of the boss (12). The connection structure of the wind wheel and the rotating shaft of a blower is simple and convenient in installation. Due to the adoption of the connection structure, the rotating shaft and the wind wheel are ensured to be vertical relative to each other, so that the flouncing problem of the wind wheel is effectively solved.
Description
Technical field:
The utility model relates to a kind of blower wind wheel and rotating shaft connecting structure.
Background technique:
Traditional blower wind wheel and rotating shaft connecting structure; Comprise wind wheel, rotating shaft and axle sleeve, axle sleeve is injection-moulded in the wind wheel, and being connected of rotating shaft and wind wheel only leans on the aft mounted screw thread of rotating shaft to be installed in the tapped hole of axle sleeve; When this structure rotating shaft and wind wheel connection; The rotating shaft easy mounting tilts, and beats when causing the wind wheel running, and dynamic balancing is difficult proofreaies and correct.
Summary of the invention:
The purpose of the utility model provides a kind of blower wind wheel and rotating shaft connecting structure, and it is simple in structure, and is easy for installation, guarantees that rotating shaft is vertical with wind wheel, effectively solves the wind wheel problem of beating.
The utility model is achieved through following technical proposals:
A kind of blower wind wheel and rotating shaft connecting structure comprise wind wheel, rotating shaft and axle sleeve, and described wind wheel comprises base plate; Base plate axially protrudes boss outward, is provided with through hole in the middle of the boss, and through hole is passed through in rotating shaft; The screw thread of rotating shaft tail end setting is embedded in the tapped hole of axle sleeve setting; Axle sleeve is injection-moulded in base plate or axle sleeve is pressed on the internal surface of base plate, offers step in the rotating shaft, and step is close on the raised head face.
Above-mentionedly describedly between step and boss, have additional packing ring, rotating shaft is pushed down packing ring on raised head face.
Above-mentioned described axle sleeve is the nut that is provided with 2 side cuts of symmetry, and through the arc edge transition, arc limit outer side surface is provided with annular knurl between the side cut.
Above-mentioned described at base plate epirelief shaft shroud, the axle sleeve cover wraps axle sleeve.
The inwall of above-mentioned described boss is provided with some grooves, and groove extends to the bottom from the end of boss.
Above-mentioned described rotating shaft outer wall is close to the boss internal face.
Above-mentioned described wind wheel comprises base plate, the some arc air blades of protrusion on the base plate, and adjacent two air blades form the air channel, and the air blade end face is provided with top board, offers intake grill in the middle of the top board, and air flows into from intake grill, flows out through the air channel and between top board and base plate.
Above-mentioned described base plate is the some small leaf of protrusion downwards, and small leaf is evenly distributed on the base plate bottom surface.
The utility model compared with prior art has following effect: 1) the utility model offers step in rotating shaft, and step is close on the raised head face, and is simple in structure, easy for installation, guarantees that rotating shaft is vertical with wind wheel, effectively solves wind wheel axial runout problem; 2) between step and boss, have additional packing ring, rotating shaft is pushed down packing ring on raised head face, reduces rotating shaft step producting process difficulty, guarantees that rotating shaft is vertical with wind wheel, effectively solves wind wheel axial runout problem; 3) axle sleeve is the nut that is provided with 2 side cuts of symmetry, and through the arc edge transition, arc limit outer side surface is provided with annular knurl between the side cut; At base plate epirelief shaft shroud; The axle sleeve cover wraps axle sleeve, and the axle sleeve quality is even, guarantees the wind wheel dynamic balancing; Side cut simultaneously, annular knurl cooperate with the axle sleeve cover, guarantee that axle sleeve can not become flexible; 4) inwall of boss is provided with some grooves, and groove extends to the bottom from the end of boss, when axle sleeve and wind wheel die casting, effectively guarantees smooth, the not deflection of axle sleeve at press casting procedure through groove; 5) the rotating shaft outer wall is close to the boss internal face, with the boss transition fit, effectively rectifies and improves the wind wheel cylindrical and beats, and guarantees dynamic balancing; 6) base plate protrudes some small leaf downwards, and small leaf is evenly distributed on the base plate bottom surface, strengthens air quantity.
Description of drawings:
Fig. 1 is novel rotating shaft of this reality and wind wheel assembly structure figure.
Fig. 2 is the structural representation of this real new embodiment one.
Fig. 3 is the A-A phantom of Fig. 2.
Fig. 4 is the B-B phantom of Fig. 2.
Fig. 5 is the structural representation of this real new embodiment two.
Fig. 6 is the structural representation of this real new embodiment three.
Fig. 7 is the structural representation of this real new embodiment four.
Embodiment:
Below through specific embodiment and combine accompanying drawing that the utility model is described in further detail.
Embodiment one, like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, and a kind of blower wind wheel and rotating shaft connecting structure; Comprise wind wheel 1, rotating shaft 2 and axle sleeve 3, described wind wheel 1 comprises base plate 11, and base plate 11 axially protrudes boss 12 outward; Be provided with through hole 120 in the middle of the boss 12, rotating shaft 2 is through through hole 120, and the screw thread 21 of rotating shaft 2 tail end settings is embedded in the tapped hole 31 of axle sleeve 3 settings; Axle sleeve 3 is injection-moulded in base plate 11, offers step 22 in the rotating shaft 2, and step 22 is close on boss 12 end faces; Axle sleeve 3 is the nuts that are provided with 2 side cuts 32 of symmetry, cuts edge and passes through 33 transition of arc limit between 32, and arc limit 33 outer side surfaces are provided with annular knurl 34; At base plate 11 epirelief shaft shrouds 13, axle sleeve cover 13 wraps axle sleeve 3; The inwall of boss 12 is provided with some grooves 121, and groove 121 extends to the bottom from the end of boss 12; Rotating shaft 2 outer walls are close to boss 12 internal faces; Described wind wheel 1 comprises base plate 11; The some arc air blades 14 of protrusion on the base plate 11; Adjacent two air blades 14 formation air channels 15, air blade 14 end faces are provided with top board 16, offer intake grill 17 in the middle of the top board 16; Air flows into from intake grill 17, through air channel 15 and from flowing out between top board 16 and the base plate 11; Base plate 11 is the some small leaf 18 of protrusion downwards, and small leaf 18 is evenly distributed on base plate 11 bottom surfaces.
Embodiment two, and is shown in Figure 5, a kind of blower wind wheel and rotating shaft connecting structure; Comprise wind wheel 1, rotating shaft 2 and axle sleeve 3, described wind wheel 1 comprises base plate 11, and base plate 11 axially protrudes boss 12 outward; Be provided with through hole 120 in the middle of the boss 12, rotating shaft 2 is through through hole 120, and the screw thread 21 of rotating shaft 2 tail end settings is embedded in the tapped hole 31 of axle sleeve 3 settings; Axle sleeve 3 is injection-moulded in base plate 11, offers step 22 in the rotating shaft 2, and step 22 is close on boss 12 end faces; Have additional packing ring 4 at step 22 and 12 of boss, rotating shaft 2 is pushed down packing ring 4 on boss 12 end faces; Axle sleeve 3 is the nuts that are provided with 2 side cuts 32 of symmetry, cuts edge and passes through 33 transition of arc limit between 32, and arc limit 33 outer side surfaces are provided with annular knurl 34; At base plate 11 epirelief shaft shrouds 13, axle sleeve cover 13 wraps axle sleeve 3; The inwall of boss 12 is provided with some grooves 121, and groove 121 extends to the bottom from the end of boss 12; Rotating shaft 2 outer walls are close to boss 12 internal faces; Described wind wheel 1 comprises base plate 11; The some arc air blades 14 of protrusion on the base plate 11; Adjacent two air blades 14 formation air channels 15, air blade 14 end faces are provided with top board 16, offer intake grill 17 in the middle of the top board 16; Air flows into from intake grill 17, through air channel 15 and from flowing out between top board 16 and the base plate 11; Base plate 11 is the some small leaf 18 of protrusion downwards, and small leaf 18 is evenly distributed on base plate 11 bottom surfaces.
Embodiment three, and is shown in Figure 6, a kind of blower wind wheel and rotating shaft connecting structure; Comprise wind wheel 1, rotating shaft 2 and axle sleeve 3, described wind wheel 1 comprises base plate 11, and base plate 11 axially protrudes boss 12 outward; Be provided with through hole 120 in the middle of the boss 12, rotating shaft 2 is through through hole 120, and the screw thread 21 of rotating shaft 2 tail end settings is embedded in the tapped hole 31 of axle sleeve 3 settings; Axle sleeve 3 is pressed on the internal surface of base plate 11, offers step 22 in the rotating shaft 2, and step 22 is close on boss 12 end faces; Axle sleeve 3 is the nuts that are provided with 2 side cuts 32 of symmetry, cuts edge and passes through 33 transition of arc limit between 32, and arc limit 33 outer side surfaces are provided with annular knurl 34; The inwall of boss 12 is provided with some grooves 121, and groove 121 extends to the bottom from the end of boss 12; Rotating shaft 2 outer walls are close to boss 12 internal faces; Described wind wheel 1 comprises base plate 11; The some arc air blades 14 of protrusion on the base plate 11; Adjacent two air blades 14 formation air channels 15, air blade 14 end faces are provided with top board 16, offer intake grill 17 in the middle of the top board 16; Air flows into from intake grill 17, through air channel 15 and from flowing out between top board 16 and the base plate 11; Base plate 11 is the some small leaf 18 of protrusion downwards, and small leaf 18 is evenly distributed on base plate 11 bottom surfaces.
Embodiment four, and is shown in Figure 7, a kind of blower wind wheel and rotating shaft connecting structure; Comprise wind wheel 1, rotating shaft 2 and axle sleeve 3, described wind wheel 1 comprises base plate 11, and base plate 11 axially protrudes boss 12 outward; Be provided with through hole 120 in the middle of the boss 12, rotating shaft 2 is through through hole 120, and the screw thread 21 of rotating shaft 2 tail end settings is embedded in the tapped hole 31 of axle sleeve 3 settings; Axle sleeve 3 is pressed on the internal surface of base plate 11, offers step 22 in the rotating shaft 2, and step 22 is close on boss 12 end faces; Have additional packing ring 4 at step 22 and 12 of boss, rotating shaft 2 is pushed down packing ring 4 on boss 12 end faces; Axle sleeve 3 is the nuts that are provided with 2 side cuts 32 of symmetry, cuts edge and passes through 33 transition of arc limit between 32, and arc limit 33 outer side surfaces are provided with annular knurl 34; The inwall of boss 12 is provided with some grooves 121, and groove 121 extends to the bottom from the end of boss 12; Rotating shaft 2 outer walls are close to boss 12 internal faces; Described wind wheel 1 comprises base plate 11; The some arc air blades 14 of protrusion on the base plate 11; Adjacent two air blades 14 formation air channels 15, air blade 14 end faces are provided with top board 16, offer intake grill 17 in the middle of the top board 16; Air flows into from intake grill 17, through air channel 15 and from flowing out between top board 16 and the base plate 11; Base plate 11 is the some small leaf 18 of protrusion downwards, and small leaf 18 is evenly distributed on base plate 11 bottom surfaces.
The utility model comprises wind wheel 1, rotating shaft 2 and axle sleeve 3, and rotating shaft 2 is through through hole 120 and be close to the inwall of through hole 120, and the screw thread 21 of rotating shaft 2 tail end settings is embedded in the tapped hole 31 that axle sleeve 3 is provided with; Offer step 22 in the rotating shaft 2, step 22 is close on boss 12 end faces, perhaps has additional packing ring 4 at step 22 and 12 of boss; Rotating shaft 2 is pushed down packing ring 4 on boss 12 end faces; Make rotating shaft vertical, effectively solve the wind wheel problem of beating, guarantee the wind wheel dynamic balancing with wind wheel.
Claims (8)
1. blower wind wheel and rotating shaft connecting structure; Comprise wind wheel (1), rotating shaft (2) and axle sleeve (3), described wind wheel (1) comprises base plate (11), and base plate (11) axially protrudes boss (12) outward; Be provided with through hole (120) in the middle of the boss (12); Rotating shaft (2) is through through hole (120), and the screw thread (21) that rotating shaft (2) tail end is provided with is embedded in the tapped hole (31) of axle sleeve (3) setting, and axle sleeve (3) is injection-moulded in base plate (11) or axle sleeve (3) is pressed on the internal surface of base plate (11); It is characterized in that: offer step (22) in the rotating shaft (2), step (22) is close on boss (12) end face.
2. a kind of blower wind wheel according to claim 1 and rotating shaft connecting structure is characterized in that: between step (22) and boss (12), have additional packing ring (4), rotating shaft (2) is pushed down packing ring (4) on boss (12) end face.
3. a kind of blower wind wheel according to claim 1 and 2 and rotating shaft connecting structure; It is characterized in that: axle sleeve (3) is the nut that is provided with 2 side cuts of symmetry (32); Cut edge and pass through arc limit (33) transition between (32), arc limit (33) outer side surface is provided with annular knurl (34).
4. a kind of blower wind wheel according to claim 3 and rotating shaft connecting structure is characterized in that: at base plate (11) epirelief shaft shroud (13), axle sleeve cover (13) wraps axle sleeve (3).
5. a kind of blower wind wheel according to claim 4 and rotating shaft connecting structure is characterized in that: the inwall of boss (12) is provided with some grooves (121), and groove (121) extends to the bottom from the end of boss (12).
6. a kind of blower wind wheel according to claim 5 and rotating shaft connecting structure is characterized in that: rotating shaft (2) outer wall is close to boss (12) internal face.
7. a kind of blower wind wheel according to claim 1 and 2 and rotating shaft connecting structure; It is characterized in that: described wind wheel (1) comprises base plate (11), and base plate (11) is gone up protrusion some arc air blades (14), and adjacent two air blades (14) form air channel (15); Air blade (14) end face is provided with top board (16); Offer intake grill (17) in the middle of the top board (16), air flows into from intake grill (17), through air channel (15) and from flowing out between top board (16) and the base plate (11).
8. a kind of blower wind wheel according to claim 5 and rotating shaft connecting structure is characterized in that: base plate (11) protrudes some small leaf (18) downwards, and small leaf (18) is evenly distributed on base plate (11) bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203204411U CN202220749U (en) | 2011-08-30 | 2011-08-30 | Connection structure of wind wheel and rotating shaft of blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203204411U CN202220749U (en) | 2011-08-30 | 2011-08-30 | Connection structure of wind wheel and rotating shaft of blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202220749U true CN202220749U (en) | 2012-05-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203204411U Expired - Lifetime CN202220749U (en) | 2011-08-30 | 2011-08-30 | Connection structure of wind wheel and rotating shaft of blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202220749U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966595A (en) * | 2012-12-11 | 2013-03-13 | 三一能源重工有限公司 | Connecting structure between high-speed rotating shaft and impeller of centrifugal compressor, and centrifugal compressor |
| CN105424101A (en) * | 2015-12-10 | 2016-03-23 | 上海新跃仪表厂 | Combined type impeller for turbine flowmeter |
| CN106089798A (en) * | 2016-06-23 | 2016-11-09 | 曾子斌 | Fan assembly and processing method |
| CN106225085A (en) * | 2016-09-12 | 2016-12-14 | 珠海格力电器股份有限公司 | Fan blade structure and air conditioner with same |
-
2011
- 2011-08-30 CN CN2011203204411U patent/CN202220749U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966595A (en) * | 2012-12-11 | 2013-03-13 | 三一能源重工有限公司 | Connecting structure between high-speed rotating shaft and impeller of centrifugal compressor, and centrifugal compressor |
| CN102966595B (en) * | 2012-12-11 | 2015-04-15 | 三一能源重工有限公司 | Connecting structure between high-speed rotating shaft and impeller of centrifugal compressor, and centrifugal compressor |
| CN105424101A (en) * | 2015-12-10 | 2016-03-23 | 上海新跃仪表厂 | Combined type impeller for turbine flowmeter |
| CN106089798A (en) * | 2016-06-23 | 2016-11-09 | 曾子斌 | Fan assembly and processing method |
| CN106225085A (en) * | 2016-09-12 | 2016-12-14 | 珠海格力电器股份有限公司 | Fan blade structure and air conditioner with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120516 |