CN201215916Y - Radial motor fan and ground brush motor of wax-polishing machine using the fan - Google Patents
Radial motor fan and ground brush motor of wax-polishing machine using the fan Download PDFInfo
- Publication number
- CN201215916Y CN201215916Y CNU2008200323421U CN200820032342U CN201215916Y CN 201215916 Y CN201215916 Y CN 201215916Y CN U2008200323421 U CNU2008200323421 U CN U2008200323421U CN 200820032342 U CN200820032342 U CN 200820032342U CN 201215916 Y CN201215916 Y CN 201215916Y
- Authority
- CN
- China
- Prior art keywords
- fan
- annular element
- electric motor
- centrifugal electric
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a centrifugal motor fan and a brush motor of a polisher earthing, which uses the fan, the fan is provided with a stator, both end surfaces of the stator are respectively installed on a right end cover and a left end cover, a rotor is installed in a rotor hole of the stator, rotor shafts are installed in bearing seats of the two end covers through bears, wherein the left end cover is an output end cover, and the part of the rotor shaft, which is positioned in the left end cover, is coaxially fixed with a centrifugal motor fan. The centrifugal motor fan is characterized by being a squirrel-cage type fan. When the fan is driven to be rotated by the motor and after the pressure difference is generated front and rear the vane, the axial direction is thrown off along the radial direction from the gap between the fan vanes through air flow between the rotor and the stator, and the heat is taken away, since the fan structure is improved, thereby the cooling air flow changes the direction during flowing out the fan, and the inlet of return air is effectively prevented, the function of well gathering wind is played, the cooling effect of the motor is also improved, compared with the prior art, the volume of the motor is not needed to be increased, and thereby the cost is comparatively reduced.
Description
Technical field
The utility model relates to a kind of centrifugal electric motor fan and uses the wax-polishing machine scrubbing brush motor of this fan.
Background technology
Present employed wax-polishing machine scrubbing brush motor is series excited machine, motor generally includes rotor, stator and worm gear case, two end faces of stator are separately installed with right end cap and left end cap, rotor is installed in the rotor hole of stator, in the bearing pedestal of two end caps, the part that armature spindle stretches out left end cap is general by certain drive mechanism drive brush disc spins through Bearing Installation for armature spindle; And armature spindle is positioned at that the part of left end cap is coaxial to be fixed with centrifugal electric motor fan, and this fan rotates under driven by motor and cooling motor.
Yet the unreasonable sealing that causes of centrifugal electric motor fan structural design of the series excited machine that uses in the present above-mentioned wax-polishing machine is poor, in the outside air draft of fan, there is return air to enter and forms convection current and cause loss, greatly reduce the cooling effect of motor by the cooling air between the commentaries on classics stator.And the existing mode that addresses this problem is controlled temperature rise by increasing motor volume often, and the result has improved the production cost of wax-polishing machine greatly.
Summary of the invention
The utility model purpose is: the wax-polishing machine scrubbing brush motor of a kind of centrifugal electric motor fan and this fan of use is provided, and its fan structure is improved, and makes cooling effect improve and not increase the wax-polishing machine scrubbing brush motor of cost.
The technical solution of the utility model is: a kind of wax-polishing machine scrubbing brush motor, have stator, two end faces of stator are separately installed with right end cap and left end cap, rotor is installed in the rotor hole of stator, armature spindle through Bearing Installation in the bearing pedestal of two end caps; Wherein left end cap is the output end cap, and armature spindle is positioned at that the part of left end cap is coaxial to be fixed with centrifugal electric motor fan; It is characterized in that described centrifugal electric motor fan is a Sirocco fan.
Centrifugal electric motor fan described in the utility model, its preferred construction form is as follows: comprise left annular element, blade and right annular element, left side annular element is fixed on the armature spindle by the wheel hub at center, some vanes fixed also circumferentially are distributed on the left annular element, each blade is in the longitudinal direction along the extending axially of left annular element, and in the radially extension of a left side, Width upper edge annular element; Right annular element is coaxial relative with left annular element, and is connected and fixed by its inner rim and all blades, and the external diameter of right annular element is greater than the external diameter of left annular element.
In the preferred constructive form of above-mentioned centrifugal electric motor fan, described blade elongated end in the longitudinal direction all exceeds right annular element.And also further being fixed with a wind-collecting cover on the left end cap of the present utility model, the part that aforementioned blade exceeds right annular element in the longitudinal direction further all stretches in this wind-collecting cover.
Another purpose of the present utility model provides a kind of simple centrifugal electric motor fan, is made by plastic material, has left annular element, the blade of right annular element and several spaces between two annular elements.According to the aforementioned experience that will this centrifugal electric motor fan be used for wax-polishing machine scrubbing brush motor, it also can be used on other similar series excited machine, and the end of the blade of this centrifugal electric motor fan further is designed to extend the end face of right annular element, conveniently stretch in the wind-collecting cover or similar means that is provided with on this class series excited machine, finish the effect of wind-guiding and wind gathering.And the external diameter of right annular element forms the diffusion form greater than the external diameter of left annular element, and makes diffusing opening face toward the direction of motor stator air current flow, plays certain wind gathering effect.A wheel hub extends in simultaneously left annular element central authorities annular element direction to the right, is convenient to be fixed on the series excited machine axle.
The utility model advantage is:
1. the centrifugal electric motor fan in the utility model wax-polishing machine scrubbing brush motor adopts Sirocco fan, when the driven by motor fan running and after producing pressure differential before and after the blade, axially radially throw away from the gap between fan blade, and take away heat by the air-flow that changes between the stator; Because the improvement of fan structure makes cooling blast change direction in the process that flows out fan, effectively prevent entering of return air, also played good wind gathering effect, improved the cooling effect of motor, and need not to increase motor volume compared to existing technology, reduced cost relatively.
2. in the utility model wax-polishing machine scrubbing brush motor, also between centrifugal electric motor fan and stator, be provided with wind-collecting cover, further prevent return air and form the loss of convection current increase fan by the cooling air that changes between the stator; Simultaneously the utility model part of also fan blade of centrifugal electric motor fan being exceeded right annular element puts in the wind-collecting cover, has played good guiding cooling wind action, has all strengthened cooling effect greatly.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the perspective view of the utility model specific embodiment;
Fig. 2 is a half sectional view embodiment illustrated in fig. 1;
Fig. 3 is STRUCTURE DECOMPOSITION figure embodiment illustrated in fig. 1;
Fig. 4 is the centrifugal electric motor fan perspective view in embodiment illustrated in fig. 1;
Fig. 5 is the front view of the centrifugal electric motor fan of Fig. 4;
Fig. 6 is the rearview of the centrifugal electric motor fan of Fig. 4;
Fig. 7 is the end view of the centrifugal electric motor fan of Fig. 4;
Fig. 8 is the A-A profile of Fig. 5.
Wherein: 1, stator; 2, right end cap; 3, left end cap; 4, rotor; 5, armature spindle; 6, centrifugal electric motor fan; 61, left annular element; 611, wheel hub; 62, blade; 63, right annular element; 7, wind-collecting cover; 8, worm screw; 9, worm gear; 10, gear box.
Embodiment
Embodiment: in conjunction with Fig. 1, Fig. 2, Figure 3 shows that a kind of embodiment of the utility model wax-polishing machine scrubbing brush motor, it has stator 1, two end faces of stator 1 are separately installed with right end cap 2 and left end cap 3, rotor 4 is installed in the rotor hole of stator 1, armature spindle 5 through Bearing Installation in the bearing pedestal of two end caps; Wherein left end cap 3 is the output end cap, the same with prior art, armature spindle 5 stretches out that the part of left end cap 3 is coaxial fixes a worm screw 8, worm screw 8 stretch in the gear box 10 and with wherein worm gear 9 engagements, the output shaft vertical extent of worm gear 9 also connects the brush dish (not drawing among the figure) on parallel ground, drives its rotation.
In the present embodiment, armature spindle 5 is positioned at that the part of left end cap 3 is coaxial to be fixed with centrifugal electric motor fan 6; Also be provided with a wind-collecting cover 7 between centrifugal electric motor fan 6 and the stator 1 simultaneously.
In conjunction with Fig. 4, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, centrifugal electric motor fan 6 in the present embodiment is Sirocco fans, the structure of this Sirocco fan comprises left annular element 61, blade 62 and right annular element 63, left side annular element 61 is fixed on the armature spindle 5 by the wheel hub 611 at center, some blades 62 are fixed and circumferentially are distributed on the left annular element 61, each blade 62 is in the longitudinal direction along the extending axially of left annular element 61, and in the radially extension of a left side, Width upper edge annular element 61; Right annular element 63 is coaxial relative with left annular element 61, and be connected and fixed by its inner rim and all blades 62, and the external diameter of right annular element 63 is greater than the external diameter of left annular element 61, make that the integral body of this centrifugal electric motor fan 6 is the diffusion form, and its diffusing opening, also be right annular element 63, facing to the direction of motor stator air current flow, to play certain wind gathering effect.Simultaneously, in the present embodiment, blade 62 elongated end in the longitudinal direction all exceeds right annular element 63, all stretches in the aforementioned wind-collecting cover 7 and blade 62 exceeds the part of right annular element 63 in the longitudinal direction.
Centrifugal electric motor fan 6 in the present embodiment wax-polishing machine scrubbing brush motor adopts Sirocco fan, when its running of driven by motor and after blade 62 front and back produce pressure differential, axially radially throw away from the gap between fan blade, and take away heat by the air-flow that changes between the stator; Because the improvement of fan structure makes cooling blast change direction in the process that flows out fan, effectively prevent entering of return air, also played good wind gathering effect, improved the cooling effect of motor, and need not to increase motor volume compared to existing technology, reduced cost relatively.
In the present embodiment wax-polishing machine scrubbing brush motor, also between centrifugal electric motor fan 6 and stator 1, be provided with wind-collecting cover 7, further prevent return air and form the loss of convection current increase fan by the cooling air that changes between the stator; Simultaneously the utility model part of also fan blade 62 of centrifugal electric motor fan 6 being exceeded right annular element 63 puts in the wind-collecting cover 7, has played good guiding cooling wind action, has all strengthened cooling effect greatly.
This centrifugal electric motor fan of describing in the present embodiment also can be applied in the series excited machine of other wax-polishing machine like devices by independent, realizes identical functions.
Claims (9)
1. a centrifugal electric motor fan is characterized in that having left annular element (61), the blade (62) of right annular element (63) and several spaces between two annular elements.
2. according to the described centrifugal electric motor fan of claim 1, it is characterized in that the end of blade (62) extends the end face of right annular element (63).
3. according to the described centrifugal electric motor fan of claim 1, it is characterized in that the external diameter of the external diameter of right annular element (63) greater than left annular element (61).
4. according to the described centrifugal electric motor fan of claim 1, it is characterized in that this centrifugal electric motor fan (6) is a plastic material.
5. according to the described centrifugal electric motor fan of claim 1, it is characterized in that left annular element (61) central authorities to the right annular element (63) direction extend a wheel hub (611).
6. wax-polishing machine scrubbing brush motor that uses above-mentioned centrifugal electric motor fan, has stator (1), two end faces of stator (1) are separately installed with right end cap (2) and left end cap (3), rotor (4) is installed in the rotor hole of stator (1), armature spindle (5) through Bearing Installation in the bearing pedestal of two end caps; Wherein left end cap (3) is the output end cap, and armature spindle (5) is positioned at the coaxial centrifugal electric motor fan (6) that is fixed with of part of left end cap (3); It is characterized in that described centrifugal electric motor fan (6) is a Sirocco fan.
7. wax-polishing machine scrubbing brush motor according to claim 6, the structure that it is characterized in that described centrifugal electric motor fan (6) comprises left annular element (61), blade (62) and right annular element (63), left side annular element (61) is fixed on the armature spindle (5) by the wheel hub (611) at center, some blades (62) are fixing also circumferentially to be distributed on the left annular element (61), each blade (62) is in the longitudinal direction along the extending axially of left annular element (61), and in the radially extension of Width upper edge left side annular element (61); Right annular element (63) is coaxial relative with left annular element (61), and is connected and fixed by its inner rim and all blades (62), and the external diameter of right annular element (63) is greater than the external diameter of left annular element (61).
8. wax-polishing machine scrubbing brush motor according to claim 7 is characterized in that described blade (62) elongated end in the longitudinal direction all exceeds right annular element (63).
9. wax-polishing machine scrubbing brush motor according to claim 8, it is characterized in that also being provided with a wind-collecting cover (7) between described centrifugal electric motor fan (6) and the stator (1), the part that blade (62) exceeds right annular element (63) in the longitudinal direction all stretches in this wind-collecting cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200323421U CN201215916Y (en) | 2008-02-28 | 2008-02-28 | Radial motor fan and ground brush motor of wax-polishing machine using the fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200323421U CN201215916Y (en) | 2008-02-28 | 2008-02-28 | Radial motor fan and ground brush motor of wax-polishing machine using the fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201215916Y true CN201215916Y (en) | 2009-04-01 |
Family
ID=40521121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200323421U Expired - Lifetime CN201215916Y (en) | 2008-02-28 | 2008-02-28 | Radial motor fan and ground brush motor of wax-polishing machine using the fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201215916Y (en) |
-
2008
- 2008-02-28 CN CNU2008200323421U patent/CN201215916Y/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101799123B1 (en) | Centrifugal blower assembly | |
| CN102062120A (en) | Open-hub centrifugal blower assembly | |
| TW201430221A (en) | Turbofan and graphics card with the turbofan | |
| CN205154744U (en) | Centrifugal turbine fan blade and use its motor and food mixer | |
| CN200986255Y (en) | Improved cooking fume draft fan | |
| CN112713695B (en) | Cooling fan motor for locomotive | |
| CN203348004U (en) | Vertical-shaft multiple-impeller wind driven generator set | |
| CN101975177B (en) | Built-in turbo shaft flow motor type strong fan | |
| CN107313966B (en) | A kind of shaftless electric fan of cascade type | |
| CN112664471A (en) | Double-impeller disrotatory multi-wing centrifugal fan | |
| CN201215915Y (en) | Radial motor fan and ground brush motor of wax-polishing machine using the fan | |
| CN104541745A (en) | Mower | |
| CN201215916Y (en) | Radial motor fan and ground brush motor of wax-polishing machine using the fan | |
| CN105090124A (en) | Mechanism for adjusting guide blades at air inlet of magnetic-levitation draught fan synchronously | |
| CN205190326U (en) | Stator formula impeller | |
| CN202665445U (en) | Anti-backflow impeller for dust collector | |
| CN105736406A (en) | Single-power hub and shell oppositely-rotating type multistage axial flow fan | |
| CN101832283B (en) | Three- impeller axial flow fan of subway traction motor brake cooling system | |
| CN204426003U (en) | A kind of mower | |
| CN215927820U (en) | Low-noise cabinet type centrifugal fan box | |
| CN211368548U (en) | Hair drier | |
| CN207178245U (en) | The Quick-dismantling mechanism of parking heater fan | |
| CN203516184U (en) | Fan impeller | |
| CN209494742U (en) | Blower and dust catcher with it | |
| CN107013486A (en) | A kind of tubular wine wheel of blade linkage |
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: 20090401 |