CN2328830Y - Centrafugal reducing motor belt wheel - Google Patents
Centrafugal reducing motor belt wheel Download PDFInfo
- Publication number
- CN2328830Y CN2328830Y CN 98220627 CN98220627U CN2328830Y CN 2328830 Y CN2328830 Y CN 2328830Y CN 98220627 CN98220627 CN 98220627 CN 98220627 U CN98220627 U CN 98220627U CN 2328830 Y CN2328830 Y CN 2328830Y
- Authority
- CN
- China
- Prior art keywords
- belt wheel
- motor
- centrifugal
- motor shaft
- reducing motor
- 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 - Fee Related
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- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The utility model discloses a centrifugal diameter changing motor belt wheel, which relates to improvement of a belt wheel structure for connecting a motor and a roller in a washing machine. One end of the motor shaft is connected with a fixing element; the motor shaft is also connected with a fixing bracket and a propelling disk; the shape of the propelling disk is an umbrella surface-shaped circular disk, and a centrifugal sliding block is arranged between the propelling disk and the fixing bracket. The centrifugal diameter changing motor belt wheel has advantages of simple structure and reasonable structure; since difference of the rotary speed, the radial change of the belt wheel can be adjusted, and the centrifugal diameter changing motor belt wheel can realize that the motor can obtain higher transmission ratio with lower number of poles, and simultaneously, the change of the rotary speed is balanced, and noise is low.
Description
The utility model relates to a kind of improvement that connects the belt sheave structure of motor in the washing machine and cylinder, is a kind of centrifugal reducing motor pulley specifically.
At present in the washing machine, connect the belt pulley of motor and cylinder, its size is fixed, thereby also is certain by the velocity ratio of driven by motor cylinder.When washing clothes, the rotating speed of cylinder is lower, when getting rid of thousand, requires the rotating speed of cylinder very high, reach 600 rev/mins, the water on the clothing could be got rid of cleaner, and require rotating speed of motor also very high this moment, and motor speed will reach 28000 rev/mins.If adopt the lower motor of rotating speed, then between motor and cylinder, need to increase speed control system, or improve motor pole number, so then can increase cost.
The utility model purpose is to overcome the shortcoming in the above-mentioned technology, a kind of centrifugal reducing motor pulley is proposed, be connected between motor and the cylinder, do not need to set up speed control system, weight along with change in rotational speed, clothing, the governing speed variance ratio helps improving the drying rotating speed voluntarily, improves to dry effect.
The utility model is realized by following technological scheme:
This centrifugal reducing belt pulley, the fixed block of end connection at motor shaft is characterized in that also being connected with fixed support and promotion dish on motor shaft, and promoting disk shape is a umbrella cover shape disk, between promotion dish and fixed support centrifugal slider is housed.
Fixed block is that the outer end diameter is bigger, and the cone that inner diameter is less, identical with the motor shaft diameter connects as one with motor shaft.Distance between promotion dish top and the fixed block bottom, the length on motor shaft is belt width when static.When the washing clothes motor shaft rotates, because rotating speed is lower, the centrifugal force that centrifugal slider produces is less, be not enough to overcome the frictional force between centrifugal slider and fixed support, the promotion dish, can outwards not move, the promotion dish still is in the origin-location, and distance is constant between promotion dish and the fixed block, and belt is positioned on the motor shaft.When drying, motor rotational shaft speed improves, the centrifugal force of centrifugal slider increases, can overcome the frictional force between centrifugal slider and promotion dish, the fixed support, outwards motion promotes the promotion dish and moves to the fixed block direction, shortened distance between promotion dish and the fixed block, increase the belt pulley radius, regulated the transmission speed ratio, improved the drying rotating speed.Because it is gradual change that belt outwards moves, velocity variations is gradual change, thereby the operation balance, and noise is low.
The utility model advantage is rational in infrastructure, ingenious, because the difference of rotating speed, can regulate the variation of belt pulley radius, thereby regulate the transmission speed ratio, when realizing drying, can reach higher rotating speed, rotation speed change is gradual change, thereby well-balanced, noise is low, and structure is more simple in structure than electronic speed regulation, cost is low.
Embodiment of accompanying drawings:
Fig. 1 is a kind of centrifugal reducing motor pulley structural drawing,
Working state figure when Fig. 2 is the slow-speed of revolution,
Working state figure when Fig. 3 is high rotating speed,
This centrifugal reducing motor pulley, end at motor shaft (5) connects a fixed block (1), on motor shaft (5), also be connected with fixed support (3) and promotion dish (2), promotion dish (2) shape is a umbrella cover shape disk, between promotion dish (2) and fixed support (3) centrifugal slider (4) is housed.
Claims (3)
1, a kind of centrifugal reducing motor pulley, end at motor shaft connects a fixed block, it is characterized in that also being connected with on motor shaft fixed support and promotion dish, promoting disk shape is a umbrella cover shape disk, between promotion dish and fixed support centrifugal slider is housed.
2, according to claim 1 fast centrifugal reducing motor pulley, it is characterized in that fixed block is less, identical with the motor shaft diameter cone of bigger, the inner diameter of outer end diameter.
3,, it is characterized in that the length of distance on motor shaft between promotion dish top and the fixed block bottom is belt width when static according to the described centrifugal reducing motor pulley of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98220627 CN2328830Y (en) | 1998-03-27 | 1998-03-27 | Centrafugal reducing motor belt wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98220627 CN2328830Y (en) | 1998-03-27 | 1998-03-27 | Centrafugal reducing motor belt wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2328830Y true CN2328830Y (en) | 1999-07-14 |
Family
ID=33972370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98220627 Expired - Fee Related CN2328830Y (en) | 1998-03-27 | 1998-03-27 | Centrafugal reducing motor belt wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2328830Y (en) |
-
1998
- 1998-03-27 CN CN 98220627 patent/CN2328830Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |